Thursday, January 10, 2019

Cassini-Huygens

 1997-061A


The Cassini probe was launched in Oct 1997 by Titan 4 Centaur. Launch mass was 5574 kg; orbiter dry mass is 2125 kg; Huygens mass is 320 kg; propellant is 3132 kg; a 135 kg launch adapter remains attached to Centaur. Cassini was 2886 kg at probe release. The solar orbit insertion C3 was 16.640 km2/s2.

Cassini flew past Venus in Apr 1998. To save money, only limited scientific studies were done during the flybys. Two Venus flybys and an Earth flyby raised the orbital energy. The Jupiter flyby in 2000 gave only a small energy gain, but reduced heliocentric eccentricity to decrease the requirements for the Saturn orbit insertion.

Saturn orbital tour changes period from 7 to 155 days, inclination from 0 to 75 deg, and periapsis from 96000 to 1 M km.

The comms problem raised the Titan flyby from 1200 km to 65000 km.


Cassini 
 

DateTimeEventOrbit  

1997 Oct 15  0843  Launch by Titan 4B-33/Centaur TC-21 
 0845  T+2:12 Stage 1 ignition 58 km 
 0845  T+2:24 SRMU sep 66 km  -6200 x 75?  
  T+2:45 71 km 1.97 km/s 
 0846  T+3:31 PLF sep 111 km   
  T+5:00 170 km 4.63 km/s  -5000 x 185 ?  
 0848  T+5:15 Stage 1 sep 
  T+5:21 Stage 2 burn 162 km  
  T+6:45 203 km 5.32 km/s  -4380 x 210 
  T+9:15 212 km 6.70 km/s  -2500 x 215 
 0852  T+9:30 Stage 2 sep 203.6 km  -2200 x 220?  
 0852  T+9:50 Centaur MES1 
 0854  T+11:40 Centaur MECO1 
  Parking orbit  168 x 446 x 28.7 
  17 min coast 
 0913  Centaur MES2, 7:15 
 0919  T+36:40 Centaur MECO2 
 0926  T+43:10 Centaur sep  267 x -60927 x 28.6 
 0946  Centaur CCAM deflection burn 
 1026  Hydrazine depletion 
 1053s Centaur depletion complete 
 1707  Pass EL1:4 
1997 Oct 16  0730  Pass lunar orbit  
1997 Oct 17  1930  Leave Earth sphere 929000 km 
1997 Oct 19  0928  Leave Earth sphere 1.498Mkm 
1997 Nov 1   Aphelion 1  
1997 Nov 9 2000  TCM-1 (PMS), 2.5 m/s 35s 
1997 Nov   Release MIMI cover (hinge) 
1997 Nov 13  CDA cover jettison, 0.41m dia 
1998 Feb 25  2000  TCM-2, 0.18 m/s 270s 
1998 Mar 23   Perihelion 1 0.67AU 
1998 Apr  s  TCM-3 cancelled 
1998 Apr 24  1657  At 1.008M km to Venus, enter V sphere 
1998 Apr 25  1000  At 613000 km to Venus 
1998 Apr 26  1344:41  Venus 1, 284 km 
  V-inf = 6.03 km/s 
1998 Apr 27  1540  At 612000 km to Venus 
1998 Apr 28  1037  At 1.008M km, depart V sphere 
1998 Apr 29  0242:47  Centaur Venus pass, at 76.7 Mkm 

1998 Nov  

s  TCM-5t test burn 9m/s 
1998 Dec 3  0606  Deep space TCM-5 (PMS, 457 m/s) 
 0736  DSM Engine cutoff  0.678 x 1.578 AU x 3.39 
1998 Dec 4   Aphelion 2 
1998 Dec 28   Begin instrument checkout 
1999 Jan 11   Safemode 
1999 Jan 16   Resume checkout 
1999 Jan 21  End instrument checkout 
1999 Feb 4  2000  TCM-6, 2 min, 11.6 m/s 
1999 May 18  1700  TCM-7 (small) 
1999 Jun 23  1513  Enter V sphere 
1999 Jun 24  2029:55  Venus 2, 602.6 km 
  V-inf = 9.41 km/s 
1999 Jun 26 0149  Depart V sphere 1.008Mkm 
1999 Jun 29   Perihelion 2  0.716 x 2.605 AU x 1.1  
1999 Jul 6 1700 TCM-9 43.5m/s 
1999 Jul 19  1600  TCM-10 5.1m/s 
1999 Aug 2  2130  TCM-11 36.3m/s 
1999 Aug 11  1530 TCM-12 133s 12.3m/s 
1999 Aug 15   VIMS optics cover deployed (hinge) 
1999 Aug 16   VIMS IR radiator cover sep 
1999 Aug 17  0139 Enter Earth sphere 1.497Mkm 
1999 Aug 18  0328  Earth, 1171 km  
1999 Aug 19  0521 Depart Earth sphere 1.497Mkm 
1999 Aug 31  1600  TCM-13 6.7m/s 
1999 Sep   V-inf = 16.01 km/s 0.864 x 7.160 x 0.71  
2000 Jan 23   Observations of minor planet Masursky 
2000 Apr 27   CIRS cover jettison 
2000 Jun 14  1700 TCM-14 6s, 0.58m/s Phoebe flyby targeting 
2000 Sep 15   TCM-15 RCS 0.2m/s 
2000 Sep 20   CIRS telescope cover jettison 
2000 Oct   84M km to Jupiter 
2000 Nov 1   56M km  
2000 Nov 5  2000? Enter J sphere 51.91M 
2000 Nov 10   48.2 Mkm, in sphere 
2000 Dec 30  1012  Jupiter, 9721846 km 'from cloud tops' 
2001 Jan   Jupiter Science phase 
2001 Feb 23  0300?  Leave Jupiter sphere, 51.91M 
2001 Feb 28  1730 TCM-17 5.4s 0.53m/s  
2001 May 1?   Quiet Cruise phase 
2002 Apr 3  1800 TCM-18 9.8s 0.91m/s 
2002 Jul   End of Quiet Cruise 
2003 May 1 2000 TCM-19 1.60m/s
2003 May 11  Safing 
2003 Sep 10  2000:00  TCM-19a 197.88s 0.122m/s RCS 
2003 Oct 2  0400  TCM-19b 21.8s 2.015m/s Main engine 
2004 Jan 1   Saturn encounter phase 
2004 Feb 20  0000  Enter Saturn sphere at 64.46Mkm 
2004 May 22  1653  Main engine cover open 
2004 May 27  2227:31 TCM-20 5:56 34.9m/s main engine 
2004 Jun 4  0015  Range 15.2 Mkm 
2004 Jun 11   Saturn hyperbola  18093 x -2941124 x 17.30  
2004 Jun 11  1838 Enter Phoebe sphere 21939 km 
2004 Jun 11  1933 Phoebe flyby, 2068 km 6.35km/s  2079 x -2292 x 15.3  
2004 Jun 11  2032  Leave Phoebe sphere 
2004 Jun 16  2107  TCM-21 targeting 38s 3.7m/s main engine 
2004 Jun 27   Bow shock crossing 
2004 Jun 30   Saturn hyperbola  20723 x -2947271 x 17.19  
2004 Jun 30  2227  Calypso C/A 52080 km  
2004 Jul 1  0047:01  Ascending ring plane crossing, R=158500 km btw F and G 
 0031  Mimas C/A 76653 km  
2004 Jul 1  0100   20697 x -2885407 x 17.20  
2004 Jul 1  0112:06  Saturn SOI burn 18000 km PMS 626.8 m/s  
 0117  Pandora C/A 89855 km  
 0152  Janus C/A 67803 km  
 0230  Minimum orbit achieved 
 0239  Periapsis height 19980 km, R=80230 km 
2004 Jul 1  0248  Cassini SOI cutoff  20000 x 10M x 16.8 
 0315  INMS cover jettison 
 0358  Prometheus C/A 107420 km  
 0434:01  Descending ring plane crossing 158000 km 
  Pan C/A 57662 km  
2004 Jul 1  0900   20300 x 9037181 x 17.26  
2004 Jul 2  0931  Titan flyby 0, 339370 km 
 1000  (s) 20281 x 9059126 x 17.22  
2004 Jul 4   (s)  20377 x 9033277 x 17.19  
2004 Jul 5  0420  Solar conjunction begins 
2004 Jul 12  1251  Solar conjunction ends 
2004 Aug 23  1300   20505 x 9029455 x 17.18  
 1553 OTM-2 PRM, 51min 392 m/s Periapsis raise burn  433000 x 10M x 16.8 
 1653?  OTM-2 complete 1815ERT 
 1800   438758 x 9020337 x 17.55  
2004 Aug 31   Apoapsis APO-A  
2004 Sep 7  1630 OTM-3 PRM cleanup 3.6s 0.49m/s 
2004 Oct 17   1.1Mkm from Iapetus, measure GM  
2004 Oct 20    439176 x 9014854 x 17.55 
2004 Oct 23  0615  OTM-4 Ta-3d 7:47 0.4m/s RCS 

2004 Oct 24  

 439916 x 9032470 x 17.54  
2004 Oct 26  1301  Enter T sphere 
2004 Oct 26  1530  Titan flyby 1 Ta 1174 km 6.1km/s 
 1801  Leave T sphere 
 1807  Ring plane ascending 
2004 Oct 28  0916  Tethys C/A 246000 km  
2004 Oct 28  1019  Periapsis 6.2Rs PERI-A  311596 x 4644679 x 13.81  
 1959  Ring plane descending 
2004 Oct 29  0615 OTM-5 Ta+3d, cleanup 4.6s 0.64m/s 
2004 Nov 21  0500 OTM-6 Tb targeting ME 3s 0.4m/s  
2004 Nov 21  0836  apoapsis APO-B 78 Rs, begin orbit B 
2004 Nov 23   s  312970 x 4651062 x 13.82  
2004 Dec 13  0000  s  312215 x 4664531 x 13.83  
 0909  Enter T sphere 
2004 Dec 13  1138  Titan flyby 2 Tb 1200 km 6.1 km/s  
 1409  Depart T sphere 
2004 Dec 14  0000  s  231018 x 3533166 x 8.20  
2004 Dec 15  0144  Dione flyby at 72500 km, 5.3 km/s 
 0501  pass 107500 km from Mimas 
 0551  Saturn periapsis 4.8Rs PERI-B 
2004 Dec 17  0122  OTM-8 PTM Titan impact targeting 12 m/s 85s 230866 x 3525413 x 8.23  
2004 Dec 23  0052  OTM-9 PTM cleanup  
2004 Dec 25  0000  s  231784 x 3529189 x 8.23  
2004 Dec 25  0200  Huygens sep 
 0205  Orbiter detumble 
2004 Dec 28  0037  OTM-10 Orbiter Deflection ODM 23.8m/s 153s 
2004 Dec 28   s  228030 x 3534360 x 8.30  
2004 Dec 31  0703  Apoapsis 60Rs, begin orbit C, APO-C 
2005 Jan 1  0137  Pass 117500 km from Iapetus 
2005 Jan 3  2338  OTM-10A ODM cleanup 
2005 Jan 14 0442  Switch on  
 0650  Receivers on 
 0906  Huygens probe Titan entry at 1270 km 
2005 Jan 14  1112  Cassini Titan flyby 3 Tc, 60000 km 5.4 km/s 
 1206  Completion of Probe Relay 
2005 Jan 16  Methone at 113000 km  
2005 Jan 16  0608  Mimas at 108000 km 
 0616  Enceladus at 189000 km 
 0626  Saturn periapsis PERI-C 4.8 Rs 290000 km  
 0920  OTM-11 Tc cleanup 21.6 m/s 140.3s 
 1551  Rhea at 153500 km  
  Pallene, 91000 km  
2005 Jan 28  0708  OTM-12 18.7m/s OME  
2005 Feb 1  3600000 km apoapsis APO-3 
2005 Feb 12  0508  Targeting burn OTM-13 0.2m/s 220s  

2005 Feb 15  

0425  Enter T sphere 
2005 Feb 15  0657:53 Titan flyby T3 1577 km 5.95 km/s 
 0935  Leave T sphere 
2005 Feb 15   Ring occultation sequence begins 
2005 Feb 16  2304  Pandora C/A 102640 km  
2005 Feb 17  0011  Epimetheus C/A 73483 km  
2005 Feb 17  0024  Atlas C/A 6189 km ht 6170 km  
  Calypso C/A 83000 km  
2005 Feb 17  0054:02  Saturn periapsis 4, PERI-3 at 3.5Rs 
2005 Feb 17  0330  Enceladus flyby E03, 1176 km ht, 1681 km C/A 
 0850  Polydeuces flyby 6189 km  
2005 Feb 18  0600  OTM-14 4.5a 0.71m/s 
2005 Feb 27   Apoapsis, APO-4, begin orbit 4 
2005 Mar 2  0449  OTM-15 40.1s 6.2m/s 

2005 Mar 9  

0434  Helene C/A 74474 km  
2005 Mar 9  0908  Enceladus flyby 504 km 6.6 km/s  
 1129  Atlas C/A 73863 km  
2005 Mar 9  1140  Saturn periapsis 5 PERI-4 C/A 211251 km  
 1155  Tethys flyby 83033 km C/A 

2005 Mar 12  

0320  OTM-17 E1+3 2.8s 0.42m/s 
2005 Mar 19  1821  apo burn OTM-18 1.6m/s 10.4s   
2005 Mar 20?  Apoapsis APO-5  
2005 Mar 29  2034  Enceladus pass 55820 km C/A  
 2202  Atlas C/A 97404 km  
 2325  Epimetheus flyby C/A 62098 km  
2005 Mar 29  2339  Saturn periapsis 6 PERI-5 at 211016 km C/A  
2005 Mar 31  1733  Enter T sphere 
2005 Mar 31  2005:16  Titan flyby T4 2402 km, Vi= 5.926 km/s, 33.3N 118.6W  2402 x -8123 x 146.9 
2005 Mar 31  2239  Depart T sphere 
2005 Apr 4  0222  OTM-20 5.9s 0.91m/s  
2005 Apr 8?  Apoapsis 6 APO-6  
2005 Apr 10  0304  OTM-21 37s main engine 5.8m/s 
2005 Apr 14  0344  OTM-22 67s RCS, 0.06m/s 

2005 Apr 14  

2318  Saturn periapsis 7 PERI-6 after 16 day orbit, 156539 km C/A 
2005 Apr 15  0015  Epimetheus C/A 46100 km peri 46031 km 
2005 Apr 15  0126  Mimas flyby C/A 82575 km  
 0422  Calypso C/A 70470 km  
2005 Apr 16  1640  Enter T sphere 
2005 Apr 16  1911:46  Titan flyby T5 (06TI) 1025 km 6.1 km/s 74N  1025 x -6740? x 74.0?  
 2147  Depart T sphere 
2005 Apr 20   OTM-23 
2005 Apr 23  2310  Apoapsis APO-7, 40.6Rs  
2005 Apr 29  0108  OTM-24 131s 20.5m/s  
1915 + 0700 = 0215 ERT = 0108 UTC?

2005 May 2  

1920  Helene C/A 114182 km  
2005 May 2  2148  Tethys flyby C/A 52364 km ht 51828  
 2303  Epimetheus flyby C/A 118543 km  
2005 May 3  0143  Periapsis 8 PERI-7 at 216614 km C/A  
2005 May 4  0538  Titan pass C/A 866880 km  
2005 May 21  0519  Tethys C/A 500570 km  
2005 May 21  0603  Periapsis 9 PERI-8 at 216679 km C/A  
 0630  Atlas C/A 99661 km  
 0648  Prometheus C/A 107414 km  
2005 May 21  0815  Enceladus pass 102336 km C/A 
2005 Jun 6  1907  Titan pass C/A 428127 km C/A  
2005 Jun 8  1000  Pallene C/A 64860 km  
2005 Jun 8  1025  Calypso C/A 97810 km  
2005 Jun 8  1037  Periapsis PERI-9 at 216658 km C/A  156390 x 2387662 x 21.9  
2005 Jun 19   Apoapsis  156942 x 2392953 x 21.8  
2005 Jun 26  0711  Titan pass C/A 877000 km  
2005 Jun 26  0858  Pan non-targ flyby C/A 248000 km 
 1451  Telesto non-targ flyby, C/A 87190 km 
2005 Jun 26  1543  Periapsis 11 PERI-10 at 217398 km C/A  157129 x 2392810 x 21.8 
2005 Jul 8  1437  OTM-25 2s 0.3m/s 

2005 Jul 14  

1954  Enter E sphere 948 km 
 1955:05  169 km Enceladus-2 flyby (422 km C/A) Vi 8.172km/s over 34.6E 23.2S 
 1959  Depart E sphere 
 1958  Ring plane ascending 
 2056  Epimetheus C/A 76849 km  

2005 Jul 14  

2212:00  Periapsis PERI-11 at 217733 km C/A  157465 x 2401008 x 21.8 
2005 Aug 2  0401  12MI Mimas-1 48842 km peri, 49051 km C/A 

 

0517  Prometheus C/A 84849 km  
2005 Aug 2  0552  Periapsis PERI-12 at 217426 km C/A  157162 x 2400155 x 21.8  
 0754  Calypso C/A 106217 km  
2005 Aug 2  1600  Titan C/A 942122 km  
2005 Aug 3   OTM-26 0614PDT-ERT 2.6m/s 16.7s  

2005 Aug 10  

 OTM-27 0744PDT-ERT 15.5s 2.4m/s 
2005 Aug 11   Apoapsis APO-13  156352 x 2394571 x 21.9  
2005 Aug 17  1643  Hyperion at 608000 km  

2005 Aug 20  

1116  Periapsis PERI-13 216270 km  
 1215  Telesto C/A 105327 km  
2005 Aug 21  0431? Tethys flyby 122750 km  

2005 Aug 22  

0621  Titan SOI  154810 x 2408930 x 22.0  
2005 Aug 22  0716  Ring plane  
 0853:57 Titan T6 (013TI) pass 3669 km alt, 6244 km C/A, over 102.3W 59.2S Vi 5.863 km/s 
 1128  Leave Titan SOI 
2005 Aug 25  1808  OTM-29 1.4m/s 9.3s  
2005 Aug 29  1138  Apoapsis APO-14  106517 x 2220009 x 15.6  
2005 Aug 30  1800   106440 x 2219842 x 15.6 
 1942  OTM-30 14.3m/s 91.4s ME  105489 x 2219159 x 16.0  

2005 Sep 5  

1132  Pandora C/A 40135 km 
 1134  Prometheus C/A 102260 km  
2005 Sep 5  1150:34  Saturn periapsis PERI-14 C/A 165784 km  
 1358  Methone C/A 63000 km  
2005 Sep 6  1329?  Hyperion C/A 1.06Mkm 
2005 Sep 6  2200   105442 x 2220376 x 16.0  
2005 Sep 7  0541  Enter T sphere 
 0811:58  Titan flyby 014TI (T7) 1075 km, C/A 3666 km  
 1048  Depart T sphere 
2005 Sep 7  1300   124838 x 2448968 x 0.33  
2005 Sep 7   Petal rotation orbit 
2005 Sep 10  0700   126022 x 2441628 x 0.32 
2005 Sep 14  1811  Apoapsis APO-15  
2005 Sep 23  1851  Calypso C/A 91100 km  
2005 Sep 23  1941  Mimas C/A 70220 km  
2005 Sep 23  2136  Saturn periapsis PERI-15 180900 km  
 2227  Prometheus C/A 97925 km  
2005 Sep 24  0242:20  Enter Tethys sphere 
 0243:25  015TE Tethys ht 1497 km, C/A 2076 km  
 0244:20  Depart Tethys sphere 
2005 Sep 26  0219  Enter H sphere 
 0225  015HY Hyperion C/A 514 km 5.6km/s  460 x -820 x 151.8 
 0233  Depart H sphere 
2005 Sep 28  1610  OTM-35 321s 0.3m/s  
1030 PDT-ERT 1730 ERT LT=1:20

2005 Oct 3  

0000  Apoapsis APO-16 2483973 km  
2005 Oct 11  1600   120691 x 2417779 x 0.31 
 1747  Enter Dione sphere 
 1752:02  Dione flyby 500 km 9.1 km/s  505 x -1628 x 120.0 
 1759  Exit Dione sphere 
 1800  TCM? 120903 x 2433943 x 0.38  
 2028  Telesto C/A 9550 km  
 2250  Pallene C/A 50400 km  
2005 Oct 12  0133  Saturn periapsis PERI-16 181102 km  
2005 Oct 12  0156  Atlas C/A 55400 km  
 0305  Enceladus C/A 49300 km  
 1755? OTM-38 92.7s 14.8m/s  
2005 Oct 21  0030  Apoapsis APO-17 2455252 km  
2005 Oct 21  1455  OTM-39 97s 0.1m/s 

2005 Oct 27  

0000   120973 x 2395368 x 0.38  
2005 Oct 28  0141  Enter T sphere 
 0415  Titan flyby 1353 km 5.937km/s 017TI T8  
 0652  Depart T sphere 
2005 Oct 29  0000   217009 x 3283575 x 0.39  
 2139  Methone C/A 99000 km  
2005 Oct 29  2256  Saturn periapsis PERI-17 277311 km  
2005 Oct 30  0252  Calypso C/A 108000 km  
  Magnetotail petal 
2005 Oct 31  1359?  OTM-41 12.8m/s 78s 
2005 Nov 3  1401  OTM-42 13.2s 2.1m/s  
2005 Nov 13  0500  Apoapsis APO-18 3323448 km  
2005 Nov 23 1303 OTM-43 63s 60mm/s  
2005 Nov 24    217404 x 3259831 x 0.38  
2005 Nov 26  2225  Enter R sphere 
 2237:36  Rhea flyby 018RH/RH1 500 km 7.3 km/s  
 2252  Depart R sphere 
2005 Nov 27  1026  Enceladus C/A 108100 km  
2005 Nov 27  1123  Saturn periapsis PERI-18 276084 km  
 1438  Helene C/A 86470 km  
2005 Nov 28  0415  OTM-44 262s 0.24m/s 
2005 Nov 28    215786 x 3162261 x 0.39  
2005 Dec 11  0430  Apoapsis APO-19 3231469 km  
2005 Dec 23  0625s OTM-46 approach 
2005 Dec 24  2030  Enceladus 93984 km  

 

2227  Pallene non-targ flyby 107200 km 
2005 Dec 24  2125  Saturn periapsis PERI-19 275839 km  
2005 Dec 25  0046  Telesto C/A 19310 km 
2005 Dec 25  0147  Helene C/A 74710 km 
2005 Dec 26    215308 x 3174206 x 0.39  
2005 Dec 26  1628  Enter T sphere 
 1859:30  Titan flyby T9 019TI 10408 km  
 2134  Depart T sphere 
2005 Dec 27    181059 x 2853344 x 0.38  
2005 Dec 30  0247  OTM-47 199s 0.18m/s  
2006 Jan 05  1430  Apoapsis APO-20 2912471 km, inc =0.4deg  
2006 Jan 15  0906  Enter T sphere 
 1141:27  Titan 020TI (flyby T10) 2043 km, 5.8 km/s  
 1420  Depart T sphere 
2006 Jan 17  0658  Saturn periapsis PERI-20 336652 km  276383 x 4024940 x  
2006 Feb 1   940000 km from Iapetus 
2006 Feb 2  0752? OTM-51 203s 0.19m/s 
2006 Feb 5   Apoapsis APO-21 4.1Mkm  
2006 Feb 25  0449  Helene flyby 67,669 km 
2006 Feb 25  1057  Periapsis PERI-21 337000 km  276218 x 4026121 x 
 1109  Mimas at 154700 km  
2006 Feb 26  1240  Tethys at 132784 km  
2006 Feb 27  0550  Enter T sphere 
 0825:19 Titan 021TI (T11) 1813 km 5.9 km/s 
 1103  Depart T sphere 
2006 Mar 1  1751  OTM-53 291s 0.26m/s   
2006 Mar 9  0334  Apoapsis APO-22 48.4Rs, P=23.3d i=0.4 
2006 Mar 18  2130 Enter T sphere 
2006 Mar 19  0005:57  Titan 022TI (T12) 1951 km, 5.82 km/s 
 0244  Depart T sphere 
2006 Mar 20  2006  Periapsis PERI-22  270119 x 4033784  
2006 Mar 21  0717  Rhea flyby 82202 km 
2006 Mar 22  0422  OTM-56 2.7s 0.44 m/s 
2006 Apr 6  0327  OTM-57 0.37m/s  

2006 Apr 9  

 Apoapsis APO-23 4.1Mkm 
2006 Apr 26  1402  OTM-58 approach 0.08m/s 53s 
2006 Apr 29  0001  Saturn periapsis PERI-23, 332000 km  269784 x 4032113 x 0.4  
2006 Apr 30  1823  Enter T sphere 
 2058:15  Titan flyby 023TI (T13) 1855 km Vi 5.844 km/s  1854 x -7601 x 179.9 
 2336  Depart T sphere 
2006 May 4  0127 OTM-59 3s 0.47m/s 

2006 May 10  

 Apoapsis APO-24 2.9Mkm 
2006 May 18  0041  OTM-61 85.1s 0.12m/s 
2006 May 20  0541  Ring plane crossing  
2006 May 20  0942  Enter T sphere 
 1218:12  Titan flyby 024TI (T14) 1879 km Vi 5.836 km/s 1879 x -7627 x 179.8  
 1456 Depart T sphere 
2006 May 22  0856  Saturn periapsis PERI-24, 332000 km  268656 x 4034657 x 0.4  
2006 May 22  1455  Polydeuces flyby 64057 km  
2006 Jun 7  2327  OTM-63 12s 1.9m/s 
2006 Jun 10   Apoapsis APO-25 4.1Mkm 
2006 Jun 28  1329  Hyperion at 288669 km  
2006 Jun 28  2207  OTM-64 48s 0.07m/s  
2006 Jun 30  1307  Saturn periapsis PERI-25  267759 x 4033819 x 0.40 
2006 Jul 2  0645  Enter T sphere 
 0854  Titan flyby T15 1906 km 5.8 km/s  1905 x -7653 x 179.6 
 1156  Depart T sphere 
2006 Jul 5  2137  OTM-65 97s 0.14m/s 

2006 Jul 10  

s  OTM-66 
2006 Jul 11   Apoapsis APO-26, 2.9Mkm 
2006 Jul 21  2151  Enter T sphere 
2006 Jul 22  0025  Titan flyby 026TI (T16) 950 km 5.966 km/s C/A 3525  949 x -6688 x 91.58 
 0302  Depart T sphere 
2006 Jul 22   Begin plane departure for Titan 180 Transfer, i = 14.9 deg 
2006 Jul 23  0852 Rhea 166052 km 
2006 Jul 23  1719  Tethys 120000 km  
2006 Jul 23  2149  Saturn periapsis PERI-26, 253000 km  192633 x 2883003 x 15.0 
2006 Jul 24  0159 Telesto 45000 km  44709 x -44739 x 26.6 
2006 Aug 1  2006  OTM-69 33.8s 5.4m/s  
2002 Aug 2   Solar conjunction begins (ends Aug 12) 
2006 Aug 4   Apoapsis APO-27 3.0Mkm 
2006 Aug 16  1800  Dione at 134100 km  
 1834  Pan at 151200 km  
2006 Aug 16  2053 PERI-27 Saturn periapsis 253000 km  191927 x 2882691 x 15.0 
2006 Aug 17  0329 Helene flyby 48759 km  48757 x -48793 x 100.4  
2006 Aug 18  1751 Titan flyby 340000 km (untargeted)  339819 x -345749 x 109.5 
2006 Aug 28   2.9Mkm APO-28 
2006 Sep 4  1821? OTM-70 0.23m/s 164.1s 
2006 Sep 7  1743  Enter T sphere 
 2016:51 Titan 028TI (T17) flyby 1000 km  999 x -6734 x 25.4 
 2253  Depart T sphere 
2006 Sep 9  1919 Methone flyby 12272 km  
2006 Sep 9 1735 Atlas flyby 120000 km 
2006 Sep 9  1742  PERI-28 181000 km Saturn periapsis 3 Rs  118160 x 2217493 x 24.7 
2006 Sep 9 1926  Calypso flyby 107000 km  
2006 Sep 9 2008 Enceladus flyby 39932 km  39919 x -40431 x 89.0 
2006 Sep 10  1800  OTM-71 41s 6.6m/s  
2006 Sep 14  1007  OTM-72 51s 8.2m/s 

2006 Sep 17  

 APO-29 2.3Mkm 
2006 Sep 23  1624  Enter T sphere 
 1854:43  Titan 029TI (T18) 960 km 5.979 km/s  959 x -6698 x 80.8 
 2136  Depart T sphere 
2006 Sep 25  1943  PERI-29 Saturn periapsis 241000 km  180053 x 2134909 x 37.6  
2006 Sep 25  2146 Methone flyby 63731 km 
2006 Oct 1  0106  OTM-75 40s 6.5m/s  
2006 Oct 3   APO-30, 2.2Mkm 
2006 Oct 6  1622 OTM-76 26.5s 0.04m/s 
2006 Oct 9  1456  Enter T sphere 
 1730:07  Titan 030TI (T19) 980 km 5.983 km/s 979 x -6717 x 75.9 
 2007  Depart T sphere 
2006 Oct 11 2259  PERI-30 Saturn periapsis 5.5Rs 332000 km  272131 x 2039637 x 46.6 
2006 Oct 17  1537  OTM-78 5s 0.9m/s  
2006 Oct 19   APO-31 2.1Mkm 
2006 Oct 22  1527  OTM-79 44s 0.06m/s  
2006 Oct 25  1324  Enter T sphere 
 1558:07  Titan 031TI (T20) 1030 km 5.993 km/s  1029 x -6765 x 30.59 
 1834  Depart T sphere 
2006 Oct 28  0012  PERI-31 284000 km  220810 x 1672759 x 55.0 
 0404  Telesto at 129000 km  
2006 Nov 2   APO-32 1.7Mkm 
2006 Nov 9  0004  PERI-32 284000 km  221202 x 1673532 x 55.0  
2006 Nov 9  0150 Enceladus 91000 km  91477 x -91989 x 80.8 
 0348  Calypso 115000 km 
2006 Nov 9  1428  OTM-80 23s 3.6m/s 
2006 Nov 14   APO-33 1.7Mkm 
2006 Nov 20  2305 PERI-33 284000 km  220712 x 1668825 x 55.0 
 2343  Mimas at 147800 km  
2006 Nov 21  0231 Dione 75000 km  74786 x -75907 x 81.0 
2006 Nov 21  1340 Titan 973000 km 
2006 Nov 25  1329  Titan 925150 km  
2006 Nov 27  1315  OTM JTM-81 0.2m/s 160s 
  JTM is an OTM done on a backup pass 
  APO-34 1.7Mkm 
2006 Dec 2  2140  PERI-34  220814 x 1668261 x 55.01  
2006 Dec 2  2318  Titan 945000 km  
2006 Dec 3  0121 Telesto 101770 km 
2006 Dec 12   Begin Titan 180 Transfer 
 0907 Enter T sphere 
 1141:31  Titan flyby 035TI/T21 1000 km  999 x -6741 x 117.9 
 1419 Depart T sphere 
2006 Dec 15  0002  PERI-35  398943 x 1916087 x 52.8 
 1203  OTM-83 4.8s 0.77m/s 
2006 Dec 20  1147  OTM-84 42.7s 6.8m/s 

2006 Dec 28  

0731  Enter T sphere 
 1005:22 Titan flyby 036TI/T22 1300 km  1299 x -7037 x 67.6 
 1242  Depart T sphere 
2006 Dec 31  0518:00  PERI-36 9.8Rs  531857 x 1785320 x 56.7  
 1105  OTM-86 3.0s 0.46m/s  
2007 Jan 5  1050  OTM-87 10.2s 1.6m/s 
2007 Jan 10  1020  OTM-88 approach 27.9s 0.04m/s 
2007 Jan 13  0604  Enter T sphere 
 0838:31  Titan flyby 037TI/T23 1000 km 6.0 km/s  
 1115  Depart T sphere 
2007 Jan 16  0236  OTM-89 158s 0.21m/s 
2007 Jan 16  1300 Saturn periapsis PERI-37 12.5Rs 
2007 Jan 21  0936  OTM-90 14.7s 2.4m/s 
2007 Jan 26  0922  OTM-91 7.9s 0.015m/s  
2007 Jan 29  0442  Enter T sphere 
 0715:55  Titan flyby 038TI/T24 2631 km 5.8 km/s   
 0953  Depart T sphere 
2007 Feb 1  0957:52  Saturn periapsis PERI-38 15.6Rs  879309 x 1656884 x 58.81 
2007 Feb 7  0837  OTM-93 Apo mvr, 1.52s 0.26m/s  
2007 Feb 15  0310  Titan flyby (non-targ) 860150 km  
2007 Feb 15   Hyperion obs at 200000 km  
2007 Feb 16  0540  Approach 176000 km to Hyperion 
2007 Feb 19  0737  OTM-94 28s 0.037m/s  
2007 Feb 19  1149  Saturn periapsis PERI-39 15.6Rs  879625 x 1656956 x 58.81  
2007 Feb 22  0045  Enter T sphere 
 0312:24 Titan flyby 039TI/T25 1000 km  
 0542  Depart T sphere 
2007 Mar 3  0650  OTM 96 Apo mvr, 4.1s 0.7m/s 

2007 Mar 7  

0709  Saturn periapsis PERI-40 12.1Rs 
2007 Mar 9  2322  Enter T sphere 
2007 Mar 10  0149  Titan flyby 040TI/T26, 980 km 6.2 km/s  
 0418  Depart T sphere 
2007 Mar 13  0607  OTM 98 T26 cleanup, 6.6s 1.1m/s 
2007 Mar 18  0050  OTM 99, Apo burn, 10.0s 1.6m/s 

2007 Mar 23  

1157  Saturn periapsis PERI-41 12.1Rs 
2007 Mar 25  2157 Enter T sphere 
2007 Mar 26  0023:27  Titan flyby 041TI/T27 1010 km 6.2 km/s 
 0253 Depart T sphere 
2007 Mar 28  2049  OTM-101 T27 cleanup 3.2s 0.53m/s  
2007 Apr 3  0435  OTM 102 Apo mvr 16.7s 2.7m/s 
2007 Apr 7  2049  OTM 103, T28 approach, 26s 0.03m/s 
2007 Apr 8  1621:34  Saturn periapsis PERI-42 7.6Rs 
2007 Apr 10  2031  Enter T sphere 
 2258:00  Titan flyby 042TI/T28 990 km 6.2 km/s  
2007 Apr 11  0127  Depart T sphere 
2007 Apr 19  0332  OTM-105 apo mvr, 21.9s 3.5m/s 
2007 Apr 24  0316  OTM-106 T29 approach, 9.0s 0.02m/s 
 1453 Dione pass 114270 km C/A 
 1601 Telesto pass 106938 km alt 
2007 Apr 24  2002:44 Saturn periapsis PERI-43 5.7Rs  
2007 Apr 26  1906  Enter T sphere 
 2132:58  Titan flyby 043TI/T29 980 km 6.2 km/s  979 x -6661 x 75.37  
2007 Apr 27  0002  Depart T sphere 
2007 May 4  1900 OTM 108 (apo) 34.5s 5.6m/s 
2007 May 9  1515  OTM 109 (approach) 14.5s 0.03m/s 
2007 May 10  2246:35  Saturn periapsis PERI-44 4.3Rs 
2007 May 12  1742  Enter T sphere 
 2011  Titan flyby 044TI/T30 960 km 6.2 km/s 

 

2239  Depart T sphere 
2007 May 20  0928  OTM 111 (apo) 34.3s 5.5m/s  

2007 May 27  

0028:44  Saturn periapsis PERI-45 3.2Rs  
2007 May 28  1625  Enter T sphere 
 1851:56  Titan 045TI/T31 2300 km, 6.1 km/s, radio sci occ. 
 2121  Depart T sphere 
2007 Jun 1  0041  OTM 113 (cleanup), 4.3s 0.7m/s 
2007 Jun 5  1654  OTM 114 (apo) 75s 12.2m/s  
2007 Jun 11  0010  OTM 115 (approach) 25s 0.04m/s 

2007 Jun 11  

2304  Mimas pass  111470 x -111888 x 21.83  
2007 Jun 12  0013  Atlas flyby  33810 x -33848 x 65.90  
2007 Jun 12  0020  Prometheus flyby  69241 x -69389 x 34.31  
2007 Jun 12  0045:24  Saturn periapsis PERI-46 2.7Rs  105228 x 2231549 x 18.36  
2007 Jun 12  0100 Epimetheus flyby  80821 x -80959 x 39.88  
2007 Jun 12   Methone flyby  
2007 Jun 13  1519 Enter T sphere 
 1746:11  Titan flyby 046TI/T32 965 km over 84.5N, 6.2 km/s  974 x -6655 x 87.54  
 2015 Depart T sphere 
2007 Jun 16  2339 OTM 116 (cleanup) 4.6s 0.7m/s  
2007 Jun 21  2323  OTM 117 (apo) 49.0s 8.0m/s  
2007 Jun 27  0009 OTM 118 (approach) 6.9s 0.013m/s 
2007 Jun 27  1943 Tethys flyby 18945 km  18413 x -19485 x 63.02  
2007 Jun 27   Methone flyby  
2007 Jun 27  2248  Mimas flyby  102880 x -103298 x 2.89  
2007 Jun 28  0052  Enceladus flyby  88672 x -89184 x 174.65  
2007 Jun 28  0053:30  Saturn periapsis PERI-47 2.5Rs  88277 x 2264978 x 2.38 
2007 Jun 28  0143  Prometheus flyby  35129 x -35277 x 9.20  
2007 Jun 28  0209  Epimetheus flyby  86625 x -86763 x 4.55  
2007 Jun 28  1201  Rhea flyby  104380 x -105911 x 4.50  
2007 Jun 29  1433  Enter T sphere 
2007 Jun 29  1659:46  Titan flyby 047TI/T33 1932 km 6.2km/s  1932 x -7609 x 8.70  
 1928 Depart T sphere 
2007 Jun 30   End Titan 180 Transfer 
2007 Jun 30   Icy Satellites Tour 
2007 Jul 3  0924  OTM 119 (cleanup) 13.9s 0.02m/s 

2007 Jul 15  

2308  OTM 121 (approach) 7.0s 0.01m/s 
2007 Jul 18  2245  Enter T sphere 
2007 Jul 19  0111:20  Titan flyby 048TI/T34 1332 km 6.2 km/s  1331 x -7007 x 178.72  
 0340  Depart T sphere 
2007 Jul 20  2031  Saturn Periapsis PERI-48 5.4Rs  262924 x 4078948 x 0.31  
2007 Jul 23   Hyperion pass 318000 km  
2007 Aug 6  2035  OTM JTM-123 apo 2.6s 0.39m/s 
  (delayed from Aug 5 due to DSN 14 issue)  
2007 Aug 15   Solar conjunction period 
2007 Aug 29  1116  Tethys pass 55499 km  
2007 Aug 29  1302  Saturn Periapsis PERI-49 5.4Rs  262596 x 4077992 x 0.30  
2007 Aug 30  0121  Rhea flyby 5737 km  
2007 Aug 31  0000   261914 x 4084230 x 0.30  
2007 Aug 31   High Inclination Sequence 
2007 Aug 31  0406  Enter T sphere 
 0632:34  Titan flyby 049TI/T35 3326 km, 6.1 km/s  3326 x -9005 x 117.20  
 0901  Depart T sphere 
2007 Sep 1    235274 x 3557401 x 6.36  
2007 Sep 2  1135  OTM-125 cleanup, 0.48m/s 3.0s 

2007 Sep 10  

0959  Enter Iapetus sphere 
 1415:40 Iapetus flyby 049IA 1644 km, 2.4 km/s 156W 4S 1644 x -3126 x 168.62  
 1834  Depart Iapetus sphere 
2007 Sep 10   Safemode (cosmic ray hit) 
2007 Sep 11   Safemode recorvery  
2007 Sep 13  1944ERT  OTM-128 83s 13.5m/s  
2007 Sep 14   Apoapsis  
2007 Sep 17  1945ERT  OTM-129 79s 0.10m/s  
2007 Sep 28  1859ERT OTM 130 14.4s 0.02m/s 
2007 Sep 29   Ring plane 350000 km  
2007 Sep 30  0550  Dione pass 47000 km  
2007 Sep 30  1053  Enceladus pass 98000 km  
2007 Sep 30  1130  Saturn PERI-50  223369 x 3527271 x 6.11  
2007 Sep 30  1510  Telesto pass 77000 km  
2007 Oct 2  0217  Enter T sphere 
 0442:43  Titan 050TI/T36 flyby 975 km at 60S  974 x -6643 x 120.1 
 0710 Depart T sphere 
2007 Oct 4    168950 x 2906014 x 4.98  
2007 Oct 5  1845ERT OTM 131 8.2s 1.3m/s 
2007 Oct 12   APO 
2007 Oct 21  1502  Hyperion pass 121800 km 
2007 Oct 22  0114  Titan pass 440000 km  
2007 Oct 24  0035  Helene pass 25000 km  
2007 Oct 24   Pallene pass 124000 km  
2007 Oct 24  0630  Prometheus pass 105000 km  
2007 Oct 24  0758  Saturn PERI-51   
2007 Nov 1  1700ERT  OTM-132 6s 1.0m/s 
2007 Nov 5   APO 
2007 Nov 15  1455  OTM-133 51s 0.07m/s 
2007 Nov 16  1944  Rhea flyby 91537 km  
2007 Nov 16   Ring passage 250000 km  
2007 Nov 17  0700  Pandora pass 93000 km  
2007 Nov 17  0752  Saturn Periapsis PERI-52 C/A 2293000  169049 x 2912689 x 4.96  
2007 Nov 17  0807  Pan pass 96000 km  
2007 Nov 17  0921  Epimetheus pass 99000 km  
2007 Nov 17  1235  Calypso pass 88000 km  
2007 Nov 18  2222  Enter T sphere 
2007 Nov 19  0047:25  Titan 052TI T37 1000 km 22S 6.3km/s  999 x -6669 x 158.2  
 0315  Depart T sphere 
2007 Nov 22  0656  OTM-134 7s 1.2m/s 
2007 Nov 22    94343 x 2232188x 12.0  
2007 Nov 25   APO 
2007 Nov 26  1841  OTM-135 97s 15.8m/s 
2007 Dec 2  1214  OTM-136 10.6s 0.02m/s 

2007 Dec 3  

0525  Telesto pass 120000 km 
2007 Dec 3 0527  Mimas pass 84000 km  
2007 Dec 3  0653  Epimetheus flyby 6356 km 

2007 Dec 3  

0739  Saturn PERI-53  92643 x 2254751 x 12.5  
2007 Dec 4  2142  Enter T sphere 
2007 Dec 5  0006:50  Titan 053TI T38 1300 km 79S 6.3 km/s  1298 x -6963 x 96.11 
 0234  Depart T sphere 
2007 Dec 8  0600  OTM-137 4.2s 0.68m/s 
2007 Dec 10   APO  
2007 Dec 13  0709  OTM-138 59.1s 9.6m/s 
2007 Dec 18 0516  OTM-139 7.1s 0.013m/s 
2007 Dec 18   Ring plane, 200000 km  
2007 Dec 19  0504  Saturn Periapsis PERI-54  122062 x 2204581 x 26.3  
2007 Dec 20  2033  Enter T sphere 
 2257:55  Titan 054TI T39 6.3 km/s  969 x -6634 x 100.58 
2007 Dec 21  0125  Depart T sphere 
2007 Dec 22    179414 x 2143474 x 37.7 
2007 Dec 26   APO 
2007 Dec 28  1201  OTM-141 12.6s 2.1m/s 

2008 Jan 3  

2014 Dione pass 122000 km  
  Pallene pass 106000 km  
 2211:10  Janus pass 118251 km  
 2250:15  Daphnis pass 119006 
 2311:15  Prometheus pass 112497 km 
2008 Jan 4  0033:33  Pandora pass 122840 km  
2008 Jan 4  0047:58  Saturn PERI-55  179152 x 2134459 x 37.74  
2008 Jan 5  1906  Enter T sphere 
 2130:20  Titan 055TI T40 1010 km  
 2357  Depart T sphere 
2008 Jan 9   APO 1.8Mkm  ? x 30.2Rs x 46.6 
2008 Jan 15   Methone pass 15000 km  
2008 Jan 15  2221  Pandora pass 96000 km  
2008 Jan 15  2237  Saturn PERI-56  
2008 Jan 16  0414  OTM-143 17.6s 2.9m/s 
2008 Jan 21  2143  APO  ? x 30.1Rs x 46.6  
2008 Jan 22  2122  Titan pass 856000 km  
2008 Jan 27  1232 Titan pass 986000 km  
2008 Jan 27   Atlas pass 75000 km  
  Epimetheus pass 90000 km  
  Prometheus pass 83000 km  
  Pandora pass 115000 km  
 2047 Saturn PERI-57  
2008 Feb 2   APO  
2008 Feb 6  0206  OTM-144 large burn, 227.9s 37.39m/s 
2008 Feb 8   Epimetheus pass 116000 km  
  Pandora pass 116000 km  
  Atlas pass 116000 km  
2008 Feb 8  1923  Saturn PERI-58  
2008 Feb 14   APO 
2008 Feb 19  0836  OTM-145 1.7s 0.28m/s 
2008 Feb 20  1750  Pan flyby 79887 km  
 1819  Prometheus pass 65802 km  
 1829  Pandora pass 66233 km  
 1908 Janus pass 110070 km  
2008 Feb 20  1923  Saturn PERI-59 3.3Rs 
2008 Feb 22  1508 Enter T sphere 
 1732:07  Titan flyby 059TI T41 1000 km 6.3km/s 
 1959  Depart T sphere 
2008 Feb 25   APO 
2008 Mar 1  2300 OTM-146 42.6s 7.0m/s 
  Daphnis pass 
  Prometheus pass 98000 km  
2008 Mar 2  0512 Saturn PERI-60  
2008 Mar 7  0721  OTM-147 6.8s 1.1m/s 

2008 Mar 10  

1948 Titan pass 918000 km  
2008 Mar 12   Ring plane passage at 240000 km  
2008 Mar 12  1906  Enter E sphere 
 1906:12UTC Closest approach  
 1907:17TDB  Closest approach (Horizons) Encel flyby 061EN (E3) 52 km 14.4 km/s 20S 135W  
 1907  Fly through plume, E+45s, 450 km alt 
 1909 Depart E sphere 
 2057 Saturn PERI-61 
2008 Mar 14  0021Z OTM-149 16.7s 2.8m/s 
2008 Mar 17  0635 OTM-150 apo burn, 40.5s 0.06m/s 
2008 Mar 17   APO 
2008 Mar 23   Ring plane passage at 240000 km 
2008 Mar 23  1036:48 Pallene flyby 32565 km alt 
 1054:37 Epimetheus flyby 84132 km alt 
 1124:18  Methone pass 102556 km  
 1210:49  Saturn PERI-62 3.7Rs at -23deg 
2008 Mar 25  1204 Enter T sphere 
 1427:48  Titan 062TI T42 1000 km, 6.3 mm/s 27S 
 1654 Depart T sphere 
2008 Mar 27   APO  
2008 Apr 1  1553 Titan pass 974000 km  
  Pallene pass 105000 km  
  Janus pass 117000 km  
 2017 Saturn PERI-63 
2008 Apr 6   APO 
2008 Apr 11  0104 OTM-152 20.2s 3.3m/s 
2008 Apr 11  0929 Mimas pass 106000 km  
2008 Apr 11  1013  Saturn PERI-64 
2008 Apr 15   APO 
2008 Apr 20  2044 Mimas pass 116219 km 
2008 Apr 20   Telesto pass 78000 km  
  Epimetheus pass 119000 km  
 2339 Saturn PERI-65 
2008 Apr 25   APO  
 0347  OTM-153 0.50m/s 
2008 Apr 26  1858 Titan pass 780000 km  
2008 Apr 30   Telesto flyby 35000 km  
  Pallene pass 94000 km 
 1251 Saturn PERI-66 
2008 May 5   APO 
2008 May 9  2335:35 Methone pass 95865 km  
2007 May 10 0004  Ring pass 270000 km, descending  
2008 May 10  0005:52 Janus pass 120801 km 
 0212:02 Saturn PERI-67 4.293Rs at -23deg 
2008 May 12  0737  Enter T sphere 
 1001:58 Titan flyby 067TI/T43 1000 km 6.3km/s at 17.1N 
 1030  Ring plane ascending 
 1229  Depart T sphere 
2008 May 13   APO 
2008 May 16  0220  OTM-155 7.1s 1.2m/s 
2008 May 17   Calypso pass 112000 km  
  Ring pass 200000 km  
  Methone pass 79000 km  
 2355 Saturn PERI-68 
  Epimetheus pass 99000 km  
2008 May 22  0213 OTM-156 155.1s 0.2m/s RCS 
  APO 
2008 May 25  
 2205:42 Pallene pass 28230 km 
 2214:24 Atlas pass 60537 km  
 2215:09 Ring pass 200000 km  
 2249:36 Janus pass 63900 km  
 2306:39 Saturn PERI-69 4.293Rs -23 deg 
2008 May 28  0600  Enter T sphere 
 0824:32  Titan flyby 069TI (T44) 1400 km 6.3 km/s 12.4N  
 1053  Depart T sphere 
2008 May 29   APO 
2008 Jun 1   Pallene pass 
  Janus pass 
 2251  Peri-70 
2008 Jun 9   Pan pass 
  Pandora pass 
 0208  Peri-71 
2008 Jun 13  0429 Titan pass 364722 km  
2008 Jun 16   Epimetheus pass 
 0513  Peri-72 
  Prometheus pass 
  Methone pass 
2008 Jun 23  0624  OTM 159 73.5s 12.2m/s 
 0818  Peri-73 
2008 Jun 28  1558 Titan pass 730231 km 
2008 Jun 30   Prometheus pass 
 0845 Enceladus pass 84255 km 
  Janus pass 
  Methone pass 
  Atlas pass 
 0908  Peri-74 
2008 Jul 1   End of primary mission 
2008 Jul 1   Cassini Equinox Mission 
2008 Jul 7   Janus pass 
  Pandora pass 
  Methone pass 
 0956  Peri-75 
2008 Jul 14   Daphnis pass 
  Prometheus pass 
  Pallene pass 
 1045  Peri-76 
2008 Jul 15  2126 Titan pass 542748 km 
2008 Jul 21   Pallene pass 
  Atlas pass 
  Daphnis pass 
  Pan pass 
 1139  Peri-77 
2008 Jul 27  1436  OTM 160 139s, dV 0.17m/s 
2008 Jul 28  1125:30  Pan pass 97453 km 
 1218:39  Prometheus pass 24652 km 
 1237:41  Saturn Peri-78 2.693Rs 
 1301:44  Epimetheus pass 106964 km 
2008 Jul 30  2348 Enter T sphere 
2008 Jul 31  0213:11  Titan 078TI (T45) 1600 km, 6.3 km/s over 43S 
 0441  Depart T sphere 
 1951  Apoapsis 
2008 Aug 3  1215 OTM-162, setup for E4, 15.4s 2.5m/s  
2008 Aug 4  1028 Mimas pass 121951 
  Epimetheus pass 
 1232  Peri-79 
2008 Aug 11   Methone pass 
2008 Aug 11  2106 TDB Enter E sphere 
 2106:19  Enceladus flyby 080EN E4 54 km, 17.7 km/s at 98W 28S 
 2108 TDB Depart E sphere 
2008 Aug 11  2145  Saturn Peri-80 
 2148 Mimas pass 81484 km 
  Daphnis pass 
2008 Aug 15  2048 Titan pass 302305 km 
2008 Aug 19   Pallene pass 
  Pan pass 
 0624  Peri-81 
2008 Aug 22  0820 OTM 164 81s 13.5m/s 
2008 Aug 26  1510  Peri-82 
2008 Aug 26   Atlas pass 
2008 Aug 31  1313  Titan pass 603140 km 
2008 Sep 2   Janus pass 
2008 Sep 3  0006  Peri-83 
2008 Sep 3   Methone pass 
2008 Sep 10 0859  Peri-84 
2008 Sep 10   Epimetheus pass 
2008 Sep 11   Solar conjunction 
2008 Sep 15  2339  Titan pass 902351 km 
2008 Sep 17   Pandora pass 
 1650 Mimas pass 61444 km  
  Calypso pass 
  Daphnis pass 
 1749  Peri-85 
2008 Sep 20  1850  OTM 164A 5.3s 0.9m/s 
2008 Sep 25  0124 Tethys flyby 110274 km  
  Atlas pass 
  Pan pass 
  Pallene pass 
 0238  Peri-86 
2008 Oct 2  1029  OTM 165 at peri, 23.7s 3.93m/s  
2008 Oct 2  1103 Tethys flyby 78835 km 
 1127  Peri-87 
2008 Oct 3  2303  Titan flyby (non targ) 780673 km  
2008 Oct 6  1814  OTM-166 8.1s 0.015m/s 
2008 Oct 9  1906  Enter E sphere 
 1906:40  Enceladus flyby 088EN E5 25 km, 17.7 km/s, 97W 28S  
 1907:06  Enc. S polar pass, 339 km  
 1909  Depart E sphere 
 1943  Peri-88 
2008 Oct 13  0000  OTM-167 20.0s 3.3m/s  
2008 Oct 17  0337  Peri-89 
2008 Oct 17  0919  OTM 168, 41.7s 7.0m/s 
2008 Oct 19  0525 Titan flyby (non targ) 397729 km  
2008 Oct 24  1025  Mimas 57271 km 
 1040  Peri-90 
2008 Oct 29  1844  OTM-169 apo burn, 191s 0.23m/s RCS  
2008 Oct 31  1714T  Enter E sphere 
 1714:51  Enceladus flyby 091EN E6 174 km, 17.7 km/s, 97W 28S 
 1717T  Depart E sphere 
 1750  Peri-91 
2008 Nov 3  1510  Enter T sphere 
 1735:23  Titan flyby 091TI/T46 1105 km 6.3m/s 3.5S 
 2004  Depart T sphere 
2008 Nov 8   Polydeuces flyby 
  Telesto flyby  
 2029  OTM 170 54.6s 9.1m/s 
 2151  Enceladus flyby 52804 km 
 2236  Peri-92 
2008 Nov 12  2215  TOM 171 5.1m/s 30.9s 
2008 Nov 16  2041  Tethys flyby 57051 km 
2008 Nov 16  2222  Peri-93 
2008 Nov 19  1330 Enter T sphere 
 1556:28  Titan 093TI/T47 flyby 1023 km 21.6S 
 1632  Ascending ring plane 
 1824  Depart T sphere 
2008 Nov 20   Apo 94 
2008 Nov 23  2130  OTM 173 4.7s 0.8m/s  
2008 Nov 24   Helene flyby 
 0845  Tethys flyby 24264 km  
 0951  Peri-94 
2008 Nov 28  0929  Apo 95 
2008 Dec 1  2059?  OTM 175 57.5s 0.07m/s  
2008 Dec 2  0635  Enceladus flyby 122400 km 
  Calypso flyby 
2008 Dec 5  1159 Enter T sphere 
 1425:45  Titan flyby 095TI/T48 960 km 10.3S  
 1654 Depart T sphere 
 1819  Apoapsis 
2008 Dec 9  2029 OTM 176, 18.2s 3.0m/s  
2008 Dec 13  2015  OTM 177 1.6m/s 9.7s 
2008 Dec 17  1725  Periapsis 
 2000 OTM 178, 19.6s 0.03m/s 
2008 Dec 21  1034  Enter T sphere 
 1259:53  Titan flyby 097TI/T49 970 km 6.3km/s 43.9S 
 1304  Apoapsis 
 1528  Depart T sphere 
2009 Jan 4  1901 Peri-99 549000km  
2009 Jan 9   Apo-100 1.2Mkm 
2009 Jan 14  0845 Peri-100 549000 km  
2009 Jan 14  0926 Titan pass 704000 km  
2009 Jan 18   Apo-101 1.2Mkm 
2009 Jan 23  0348  OTM-180 Apo mvr 28s 4.7m/s 
2009 Jan 23   Peri-101 549000 km  
2009 Jan 28   Apo-102 1.2Mkm 
2009 Feb 2  1043  Rhea pass 97000 km 
2009 Feb 2  1136  Peri-102 549000 km  
2009 Feb 3  s  Approach mvr 
2009 Feb 7  0617  Enter T sphere 
 0850:51  Titan flyby 102TI/T50 960 km 6.3 km/s  
 1119 Depart T sphere 
2009 Feb 8  0229  Apo-103 1.2Mkm 
2009 Feb 9  1005  OTM-182 2.1s 0.35m/s  
2009 Feb 13  1827  Titan pass 707000 km  
2009 Feb 13   Peri-103 819000 km  
2009 Feb 19   Apo-104 1.2Mkm 
2009 Feb 21?   Titan pass 
2009 Feb 25   Peri-104 820000 km  
2009 Mar 3   Apo-105 1.2Mkm 
2009 Mar 9   Peri-105 820000 km 
2009 Mar 9  0820  OTM 183, 29.9s 5.0m/s  
2009 Mar 15   Apo-106 1.2Mkm  
2009 Mar 18  0004  OTM-183x (cleanup), 12.8s 0.02m/s  
2009 Mar 21  1150  Titan pass 991000 km  
2009 Mar 21   Peri-106 819000 km  
2009 Mar 27  0218 Enter T sphere 
 0443:36 Titan outbound 106TI/T51 960 km 6.3km/s 30.9S  
 0712 Depart T sphere 
2009 Mar 27  0451  Apo-107, circular orbit 1.2Mkm 
 
 0509  Ring plane ascending 
2009 Mar 28  0533  Peri-107 1187000 km  
2009 Mar 29  1305  OTM 186 4.4s 0.75m/s  

2009 Apr 3  

2314  Enter T sphere 
2009 Apr 4  0129  Apo-108 1.3Mkm 
 0147:47 Titan inbound flyby 108TI/T52 4150 km 5.8 km/s, 2.8S 
 0209  Ring plane descending 
 0424  Depart T sphere 
2009 Apr 8   Peri-108 1127000 km  
2009 Apr 11  1734 Titan pass 327000 km  
2009 Apr 12  1205  OTM-189 peri burn 42.2s 7.1m/s  
2009 Apr 16   Apo-109 1.3Mkm 
2009 Apr 19  2147 Enter T sphere 
2009 Apr 20  0020:45  Titan inbound flyby 109TI/T53 3600 km 5.8km/s 7.7S  
 0041  Ring plane descending 
 0257 Exit T sphere 
2009 Apr 23   Peri-109 1022000 km 
2009 Apr 27  0404 Titan pass 696000 km  
2009 Apr 28  1101  OTM-192 apo 2.5m/s 15s 
2009 May 1   Apo-110 1.4Mkm 
2009 May 5  2021 Enter T sphere 
 2254:15  Titan 110TI/T54 3244 km 5.8 km/s 14.1S 
 2313  Ring plane descending 
2009 May 6  0131  Exit T sphere 
2009 May 9  1439 Peri-110 909000 km  
2009 May 14  1014 OTM-195 13.2s 2.2m/s apo burn 
2009 May 17   Apo-111 1.5Mkm 
2009 May 18  1946 OTM 196 approach burn 37.6s 0.05m/s 
2009 May 21  1853  Enter T sphere 
 2126:41 Titan 111TI/T55 965 km 6.0 m/s 22S 
 2146  Ring plane descending 
2009 May 22  0003  Exit T sphere 
2009 May 25  0125 Peri-111 734000 km  
2009 May 30  0857? OTM 198 8s 1.5m/s apo burn 
2009 Jun 1   Apo-112 1.7Mkm 
2009 Jun 6  1726 Enter T sphere 
 2000:00 Titan 112TI/T56 965 km 32S 
 2020  Ring plane descending 
 2236 Exit T sphere 
2009 Jun 9  1448 Peri-112 575000 km  
2009 Jun 10  0812 OTM 200 2.1m/s 12s 
2009 Jun 15  0126  OTM 201 apo, 22s 0.03m/s 
2009 Jun 17   Apo-113 1.9Mkm 
2009 Jun 22  1559 Enter T sphere 
 1832:35  Titan 113TI/T57 955 km 42.2S 
 1853  Ring plane descending 
 2110  Exit T sphere 
2009 Jun 25   0545 Peri-113 435000 km  
2009 Jun 26  0709  OTM 203 cleanup, 2.4m/s 14s 
2009 Jul 1  0024  OTM 204 apo, 9s, 0.016m/s 
2009 Jul 3  0505 Apo-114 2.0Mkm 
2009 Jul 8  1430 Enter T sphere 
 1704:03  Titan 114TI/T58 965 km 52.2S 
 1727  Ring plane descending 
 1940 Exit T sphere 
2009 Jul 10  2210  Peri-114 
2009 Jul 11  0313  Dione non-targeted flyby 86634 km  
2009 Jul 13  0415 OTM 206 20s 3.5m/s 
2009 Jul 17  1552  OTM 207 apo, 24s 0.03m/s 
2009 Jul 18  2129 Apo-115 2.1Mkm 
2009 Jul 24  1259 Enter T sphere 
 1534:03 Titan 115TI/T59 955 km 62S 
 1810 Exit T sphere 
2009 Jul 26  1604 Peri-115 233000 km  
2009 Jul 26   Prometheus pass 113000 km 
2009 Jul 26   Pandora pass 103000 km  
2009 Jul 26   Janus pass at 94000 km 
2009 Jul 26  1815 Tethys pass 68375  
2009 Jul 28  1521 OTM 209 6.2m/s 37s  
2009 Aug 1  2235 OTM 210 apo, 14s 0.02m/s 
2009 Aug 3  1523 Apo-116 2.2Mkm 
2009 Aug 9  1130 Enter T sphere 
 1403:53  Titan 116TI/T60 970 km 73S  
 1454  Ring plane descending 
 1640 Exit T sphere 
2009 Aug 11   Ring observations at equinox 
2009 Aug 11   Atlas pass 119000 km  
2009 Aug 11  1137 Peri-116 177000 km  
2009 Aug 16  1403  OTM 213 apo, 76s 13.0m/s 
2009 Aug 19  1108 Apo-117 2.3Mkm 
2009 Aug 25  1018 Enter T sphere 
 1251:38  Titan 117TI/T61 970 km 19S 
 1455  Ring plane descending 
 1528 Exit T sphere 
2009 Aug 27  1033 Peri-117 258000 km  
2009 Aug 27   Pallene pass 102000 km  
2009 Aug 27   Telesto pass 25000 km  
2009 Aug 29  1319  OTM 215 cleanup 3.0s 0.5m/s 
2009 Sep 5  0248  OTM 216 apo, 26s 4.5m/s 
2009 Sep 8  1014 Apo-118 2.9Mkm 
2009 Sep 11   Begin solar conjunction  
2009 Sep 20  0952 Peri-118 258000 km 
2009 Sep 20   Prometheus pass 121000 km 
2009 Sep 20  1652 Dione pass 98000 km  
2009 Sep 22   End conjunction 
2009 Sep 22  0654 Titan pass orbit 118, 294000 km  
2009 Oct 2  0803 Apo-119 2.9Mkm 
2009 Oct 9  1104 OTM 217 approach, 130s 0.15m/s 
2009 Oct 12  0603 Enter T sphere 
 0836:24 Titan 119TI/T62 1300 km 64S  
 1112 Exit T sphere 
  Equatorial Saturn orbit 
2009 Oct 13  0505  Ring plane descending 
2009 Oct 13  1655 Rhea pass 40379 km  
2009 Oct 14   Methone pass 86000 km 
2009 Oct 14   Atlas pass 71000 km 
2009 Oct 14   Calypso pass 101000 km  
2009 Oct 14  0511 Peri-119 193000 km  
2009 Oct 14  0633 Mimas pass 44227 km 
2009 Oct 14  1011 Tethys pass 85259 km 
2009 Oct 16  0034 OTM 218 cleanup, 5s 0.8m/s 
2009 Oct 21  0003 OTM 219 apo, 24s 4.2m/s 
2009 Oct 23   Apo-120 2.6Mkm 
2009 Oct 29  2334 OTM 220 approach, 56s 0.07m/s  
2009 Nov 1  2357 Titan pass 979000 km 
2009 Nov 2   Pallene pass 94000 km 
2009 Nov 2  0438:58  Peri-120 R=3.201Rs 193000 km 
2009 Nov 2   Epimetheus pass 105000 km  
2009 Nov 2   Calypso pass 87000 km 
2009 Nov 2  0741T Enter E sphere 
2009 Nov 2  0741:58  Enceladus 120EN/E7 102.7 km 89S 7.7 km/s through plume 
2009 Nov 2  0745T Exit E sphere 
2009 Nov 5  0920 OTM 221 cleanup, 1.7s 0.3m/s  
2009 Nov 11  1657 Apo-121 2.6Mkm  
2009 Nov 20   Helene pass 83000 km  
2009 Nov 20   Peri-121 193000 km  
2009 Nov 21  0209:50 Enceladus 121EN/E8 1606 km over 82S  1595 x -2107 x 82.0  

 

0515:03  Periapsis R=3.202Rs 
2009 Nov 21   Pandora pass 59000 km 
2009 Nov 21  0830 Titan pass 965000 km 
2009 Nov 21   Calypso pass 37000 
2009 Nov 21  1736 Rhea pass 24455 km 
2009 Nov 22  2121 OTM 224 cleanup, 15s 2.5m/s 
2009 Nov 30  1737 Apo-122 2.6M km 
2009 Dec 4  0739 OTM 225 apo 180s 0.2m/s 
2009 Dec 9   Helene pass 32000 km 
2009 Dec 10   Pallene pass 111000 km  
2009 Dec 10  0604 Peri-122 193000 km  
2009 Dec 11  2228 Enter T sphere 
2009 Dec 12  0103:14 Titan 122TI/T63 4850 km 33N, wake study  
 0340 Exit T sphere 
 1622  Ring plane descending 
2009 Dec 15  0654 OTM 227 cleanup, 4s 0.7m/s 
2009 Dec 18   Apo begin orbit 123,  156000 x 2.3M x 4.9 
2009 Dec 20  0641 OTM 228 apo, 13s 2.2m/s 
2009 Dec 25   Peri-123 156000 km  
2009 Dec 26  0036 Tethys pass 52912 km 
2009 Dec 26   Prometheus pass 56000 km 
2009 Dec 27  2142 Enter T sphere 
2009 Dec 28  0016:59 Titan 123TI/T64 955 km 82N outbound  
 0254 Exit T sphere 
 0257:03 Ring plane descending 
2010 Jan 1    122575 x 2202972 x 21.62 
2010 Jan 3  0350 Apo 2.3M km, rev 124  181000 x 2.3M km 
2010 Jan 5  0542  OTM 231 47s 8.0m/s 
2010 Jan 9  1928 OTM 232 approach, 28s 0.03m/s 
2010 Jan 11   Pandora pass 73000 km  
2010 Jan 11   Methone pass 27000 km 
2010 Jan 11  0042 Enceladus pass 106000 km 
2010 Jan 11  0323 Peri-124 181000 km  120661 x 2207150 x 21.5 
2010 Jan 11   Calypso pass 113000 
2010 Jan 12  2036 Enter T sphere 
2010 Jan 12  2310:36 Titan 124TI/T65 1073 km 82S 
2010 Jan 13  0148  Exit T sphere 
2010 Jan 13  0203  Ring plane descending 
2010 Jan 19  0418 Apo 2.23Mkm, rev 125  95790 x 2230916 x 5.2 
2010 Jan 21  0444  OTM-234 35s 6.0m/s 
2010 Jan 26  s  Telesto pass 97000 km  
2010 Jan 26  s  Methone pass 72000 km  
2010 Jan 26  s  Pan pass 98000 km  
2010 Jan 26  s  Prometheus pass 33000 km  
2010 Jan 27  s  Aegeon pass 14500 km 
2010 Jan 27  0042  Enceladus 122126 km 
2010 Jan 27  0406 Peri-125 94852 km  94890 x 2252543 x 5.0 
2010 Jan 27  1147 Dione pass 45080 km  
2010 Jan 28  1955 Enter T sphere 
2010 Jan 28  2029  Ring plane descending 
 2228:49  Titan 125TI/T66 7490 km 53S  
2010 Jan 29 0104 Exit T sphere 
2010 Feb 1    114244 x 2368763 x 0.3 
2010 Feb 4  2219 Apo-126 2.37Mkm   
2010 Feb 13  1655  Peri-126 115200 km 
  Calypso pass 21257 km 
2010 Feb 13  1723  Mimas pass 9510 km 9520 x -9938 x 147.86  
 1816  Tethys at 111964 km 
2010 Feb 14  2247  Titan 650581 km  
2010 Feb 22  1128 Apo-127 2.37M 
2010 Mar 2  1732 Enter R sphere 
 1741  Rhea 100 km 127RH/R2 
 1751 Exit R sphere 
2010 Mar 3  0602  Peri-127 115630 km 
 1341 Helene flyby 1817 km 127HE/H1 
2010 Mar 12   Apo-128 
2010 Mar 19  1439 Non targ Titan 648477 km (128T)  
2010 Mar 20   Telesto 
2010 Mar 20   Atlas 
2010 Mar 20   Prometheus 
2010 Mar 20   Daphnis 
2010 Mar 20   Methone 
2010 Mar 20  2121  Peri-128  
2010 Mar 21   Pallene 
2010 Mar 21   Polydeuces 
2010 Mar 25  0000   115353 x 2376432 x 0.38  
2010 Mar 26  1519 OTM-240 17.5s 3.0m/s apo burn 
2010 Mar 29  1800  Apo-129 at 2.38Mkm 
2010 Apr 2  1349  OTM-241 26.6s 0.03m/s 
2010 Apr 5  1000   114744 x 2382917 x 0.37 
2010 Apr 5  1318 Enter T sphere 
2010 Apr 5  1550:38 Titan 129TI/T67 7461 km 
 1825 Exit T sphere 
2010 Apr 5  2140   152372 x 2645805 x 0.37  
2010 Apr 7  0300   152948 x 2630174 x 0.37  
2010 Apr 7  0511 Enter Dione sphere 
 0516:11 Dione D2 503 km 8.4km/s 
 0524 Exit Dione sphere 
  Calypso pass 
  Epimetheus pass 
  Janus pass 
 1255  Peri-129 at 152367 km  
 1347 Mimas pass 97284 km 
 1458 Tethys pass 70895 km 
2010 Apr 8  0000   152425 x 2594148 x 0.37  
2010 Apr 10  2320  OTM 242 cleanup 9.0m/s 52.7s 
2010 Apr 17  1721  Apo at 2.60Mkm 
2010 Apr 18  1232 OTM 243 38s 0.04m/s 
2010 Apr 27  2109  Titan pass 989000 km 
2010 Apr 27  2141  Peri-130 
2010 Apr 27  0009 Enter E sphere 
2010 Apr 28  0010:17 Enceladus 130EN/E9 100 km 
2010 Apr 28  0014 Exit E sphere 
  Prometheus pass 
  Telesto pass 
  Titan pass 
  Daphnis pass 
  Pandora pass 
  Pallene pass 
  Pan pass 
2010 Apr 29  1147  OTM 245 33s 5.7m/s 
2010 May 8  0304  Apo-131 
2010 May 11    152782 x 2611523 x 0.3 
2010 May 11  1102  OTM 246 51s 8.9m/s 
2010 May 18  0604T  Enter E sphere 
 0604  Enceladus 131EN/E10 435 km 6.5 km/s  
 0608T Exit E sphere 
  Methone pass 
 0831  Peri-131 
2010 May 19    151957 x 2615093 x 0.25 
2010 May 20  0048 Enter T sphere 
2010 May 20  0324:20  Titan 131TI/T68 1400 km 5.9 km/s  
 0602 Exit T sphere 
2010 May 23  1015 OTM 248 5s 0.8m/s 
2010 May 26 0804  Apo-132 
2010 May 28    105752 x 2219586 x 12.1 
 0945  OTM 249 62s main engine 10.8m/s  
2010 Jun 1 1945  OTM 250 29s 0.04m/s   
2010 Jun 3  0743  Peri-132  104965 x 2233739 x 11.8  
  Helene pass 
  Calypso pass 
  Pandora pass 
 1256  Tethys 52582 km 
 2031  Rhea 69363 km 
2010 Jun 4  2000   104636 x 2223397 x 11.8  
2010 Jun 4  2351 Enter T sphere 
2010 Jun 5  0226:27  Titan 132TI/T69 2044 km 5.9 km/s 87N 
 0504 Exit T sphere 
2010 Jun 6  0200   98406 x 2226845 x 2.0  
2010 Jun 11  0727  Apo-133 
2010 Jun 13  0800   98125 x 2226296 x 1.96 
2010 Jun 13  0844  OTM 252 7.2s 1.2m/s ME  
2010 Jun 13  0900   98056 x 2226288 x 1.92 
2010 Jun 17  0211  OTM 253 approach, 18.9s 0.02m/s 
2010 Jun 18  1950  Rhea 121200 km 
2010 Jun 19  0700?  Peri-133 
2010 Jun 20  2253  Enter T sphere 
2010 Jun 21  0127:43  Titan 133TI/T70 880 km 5.9 km/s 82N  
 0406 Exit T sphere 
 0415  Ring plane 
2010 Jun 21  0200   109891 x 2275704 x 19.62 
2010 Jun 21  1110   119462 x 2207647 x 19.14 
2010 Jun 24  0755  OTM 254 cleanup 5.0s 0.9m/s 
2010 Jun 27  0500?  Apo-134 2.26Mkm  
2010 Jun 30  0740  OTM 255 apo burn 36.2 s 6.25m/s 
2010 Jul 4  0019  OTM 256 14.6s 0.02m/s 
2010 Jul 5  0500?  Peri-134 
2010 Jul 5   Calypso pass 
  Enceladus pass 
  Daphnis pass 
2010 Jul 6  2148  Enter T sphere 
2010 Jul 7  0022:44 Titan T71 1005 km 5.9 km/s 56.1S 
 0300 Exit T sphere 
2010 Jul 10  0652  OTM 257 4.8s 0.8m/s, cleanup 
2010 Jul 15  0400? Apo-135 2.62 Mkm 
2010 Jul 18  0637  OTM 258 39s 6.8m/s, E setup 
2010 Jul 25   Prometheus pass 
  Atlas pass 
 0300?  Peri-135 
2010 Aug 4  0200?  Apo-136, 2.63 Mkm, Start rev 136 
2010 Aug 13  2229:42  Enceladus E-11 2502 km 

2010 Aug 14  

0100? Peri-136 
2010 Aug 24  0100?  Apo-137, 2.64 Mkm 
2010 Sep 3  0100? Peri-137 
2010 Sep 4  0333 OTM 261, T72 apo setup 14s 2.4m/s 
2010 Sep 13  0000? Apo-138 2.63 Mkm 
2010 Sep 15  0247 OTM 261A, 158s 0.18m/s 
2010 Sep 23  0000? Peri-138  
2010 Sep 24  1607  Enter T sphere 
 1838:41  Titan T-72 8175 km  
 2113  Exit T sphere 
2010 Oct 4  2000? Apo-139 2.94 Mkm 
2010 Oct 15  0202 OTM 264 165s 0.18m/s 
2010 Oct 16  1700?  Peri-139 
2010 Oct 16   Polydueces pass 
  Mimas pass 
  Pallene pass 
  Telesto pass 
  Methone pass 
  Aegaeon pass 
2010 Oct 28  1800? Apo-140 2.96 Mkm 
2010 Nov 2  2356ERT Cassini in safemode 
2010 Nov 8  0948  OTM 265 157s 0.18m/s 
2010 Nov 9  1800?  Peri-140  
2010 Nov 11  1103  Enter T sphere 
2010 Nov 11  1338  Titan T-73 at 7921 km, no science data taken 
 1614 Exit T sphere 
2010 Nov 15   Science data resumes 
2010 Nov 20  0100?  Apo-141 2.69Mkm 
2010 Nov 22  2305 OTM 267 13s 2.2m/s 
2010 Nov 24   Return to full operations 
2010 Nov 27  1619  OTM 268 55.8s 0.06m/s 
2010 Nov 30  0900? Peri-141 
 1152TDB Enter E sphere 
2010 Nov 30  1153:59UTC  Enceladus E-12 48 km at 61N 
2010 Nov 30  1155 TDB  Enceladus E-12 48 km at 61N  41 x -553 x 118.6 
 1158 TDB Exit E sphere 
2010 Dec 1  2220  OTM 269 147s 0.16m/s 
2010 Dec 8  2207  OTM 270 9s 0.02m/s 
2010 Dec 10  1600?  Apo-142 
2010 Dec 17   Dione pass 100000 km 
2010 Dec 20  2200?  Peri-142 
 0107TDB  Enter E sphere 
2010 Dec 21  0108:26  Enceladus E-13 Rev 142, 47.8 km at 60N, 6.2 km/s Rev 142 
2010 Dec 21  0110TDB  Enceladus E-13 Rev 142, 47.8 km at 60N, 6.2 km/s Rev 142  41 x -553 x 60.8 
 0112TDB  Exit E sphere 
2010 Dec 31  0700?  Apo-143, 2.69 Mkm 
2011 Jan 1    156283 x 2634397 x 0.1 
2011 Jan 1  2000E  OTM-273 191s 0.21m/s Rhea-3 setup   
2011 Jan 8  0626  OTM-274 27s 0.03m/s Rhea approach 
2011 Jan 10   Pandora pass 
2011 Jan 10   Methone pass 
2011 Jan 10   Titan pass 
2011 Jan 10  1600?  Peri-143 
2011 Jan 11  0254TDB Enter Rhea sphere 
 0454  Rhea R-3, Rev 143, 76 km at 8.0 km/s  74 x -1608 x 103.1  
 0655TDB  Depart Rhea sphere 
2011 Jan 14  1445E  OTM-275 R-3 cleanup, 16s 2.8m/s 
2011 Jan 20  2100?  Apo-144 2.67 Mkm  154421 x 2608667 x 0.33  
2011 Jan 31  0220?  Peri-144 
2011 Jan 31  1359E  OTM-276 T-74 setup, 13s 0.02m/s 
2011 Jan 31   Epimetheus pass 
2011 Jan 31   Calypso pass 
2011 Jan 31   Prometheus pass 
2011 Jan 31  0553 Enceladus pass 60000 km  
2011 Jan 31   Helene pass 28000 km 
2011 Feb 10  0800?  Apo-145 2.67 Mkm 
2011 Feb 18  1329  Enter T sphere 
 1604:11  Titan T-74, Orbit 145, 3651 km at 5.6 km/s over 0.7N 
 1841  Depart T sphere 
2011 Feb 20  1404 Enceladus pass 68000 km 
2011 Feb 20   Pallene pass 
2011 Feb 20  1715? Tethys pass 47665 km, C/A 48200 km  
2011 Feb 20  1300?  Peri-145 
2011 Mar 2  1130E OTM-279 T-75 setup, 89s 0.1m/s 
2011 Mar 6  1200?  Apo-146 3.26Mkm  224742 x 3205211 x 0.4  
2011 Mar 20  1100? Peri-146  
2011 Apr 3 1000? Apo-147 3.26 Mkm 
2011 Apr 15  1300E  OTM-280 Titan approach, 13s 0.02m/s 
2011 Apr 17  0900?  Peri-147 
2011 Apr 17   Aegaeon pass 
2011 Apr 17   Helene pass 
2011 Apr 19  0227  Enter T sphere 
 0500:39  Titan T-75, Orbit 147, 10053 km at 5.6 km/s over 0.1N 
 0737 Depart T sphere 
2011 Apr 22  0648 OTM-281 35s 0.04m/s 
2011 Apr 29  0300?  Apo-148 2.91 Mkm  188770 x 2848812 x 0.4  
2011 May 5  2218 OTM 283 8.1s 0.01m/s 
2011 May 8  2019  Enter T sphere 
 2253:45 T-76 Titan 1873 km 5.9 km/s 0.0deg 
2011 May 9  0131  Depart T sphere 
2011 May 10  0800? Rhea pass 148000 km C/A 
2011 May 10  2000?  Peri-148  
 2200?  Enceladus 140000 km  
2011 May 11  1732  OTM 284 109s 0.12m/s 
2011 May 20   Outside magnetosphere, make solar wind meas. 
2011 May 24  0448  OTM 285, 30s 0.036m/s 
2011 May 30   At 4.1Mkm  294170 x 4029733 x 0.4  
2011 May 30  1016  Apo-149 4.09Mkm  294158 x 4029378 x 0.4 
2011 Jun 5   Iapteus distant pass 863000 km 
2011 Jun 17  0257 OTM 286, T77 approach, 8.8s 0.015m/s 
2011 Jun 18  2345  Peri-149 R=354980 km  294711 x 4004347 x 0.4 
2011 Jun 18  1932  Helene flyby 6968 km alt 
2011 Jun 20  1556  Enter T sphere 
 1832:01  Titan T-77 1359 km, 0.1N 5.9 km/s  1358 x -7105 x 179.9  
 2110  Depart T sphere 
2011 Jun 24  0842 OTM 287, 134s 0.15m/s  183780 x 2693284 x 0.36 
2011 Jun 29  1956  Apo-150 2.754Mkm  183063 x 2693562 x 0.36 
2011 Jul 9  0700 Titan pass R=630177 km 
2011 Jul 10  1600  Peri-150 R=243676 km   
2011 Jul 10   Helene pass 
  Janus pass 
  Pan pass 
  Prometheus pass 
2011 Jul 21  1210  Apo-151 2.75Mkm  183788 x 2694620 x 0.37 
2011 Aug 1   Helene pass 
 0710 Titan pass 986243 km 
  Telesto pass 
  Methone pass 
 0812  Peri-151 244027 km  
 2103  Rhea pass 5852 km 
2011 Aug 12  0603  Apo-152 2.77Mkm  184288 x 2707894 x 0.37 
2011 Aug 22  1504  OTM 288 83s, 0.1m/s  
2011 Aug 23  0358  Peri-152 243989 km  
2011 Aug 23   Epimetheus pass 
  Atlas pass 
2011 Aug 24  1212  Titan pass 588154 km  
2011 Aug 25   Hyperion pass 24979 km  
2011 Sep 3  0150  Apo-153 2.76Mkm 
2011 Sep 12  0019  Enter T sphere 
 0251  Titan T-78 5821 km   
 0523  Depart T sphere 
2011 Sep 13  1035  Rhea pass 25415 km 
 1810? Tethys pass 33300 km 
  Pandora pass 58000 km  
 2250  Enceladus pass 42000 km  
  Peri-153 195000 km  
  Janus pass 46000 km 
2011 Sep 14   Methone pass 120000 km  
  Pallene pass 26000 km 
  Telesto pass 23000 km 
2011 Sep 15   Hyperion pass 
2011 Sep 20  0317  OTM 291 apo burn, 29s 5.0m/s 
2011 Sep 21  1328  Rhea pass 1.8Mkm 
  Janus pass km 
  Pandora pass 
2011 Sep 22   Apo-154 2.4Mkm 
2011 Sep 28 1302  OTM 292 26s 0.03m/s 
2011 Sep 28   Titan pass 680000 km 
2011 Sep 30   Titan pass 836000 km 
2011 Oct 1  1351  Enter E sphere 
 1354 Enceladus E-14 99 km  91 x -603 x 90.0 
 1356  Depart E sphere 
  Peri-154 196000 km  
  Epimetheus pass 68000 km  
  Calypso pass 125000 km 
2011 Oct 4  0217  OTM 294, 125s 0.07m/s 
2011 Oct 10   Apo-155 2.4Mkm 
2011 Oct 11   Solar conjunction begins 
2011 Oct 16   Solar conjunction ends 
2011 Oct 19   Telesto pass 26000 km 
2011 Oct 19  0922  Enceladus E-15 1231 km 
  Peri-155 197000 km  
2011 Oct 28  1117  OTM 297 40.2s 0.05m/s  
  Apo-156 2.4Mkm 
2011 Nov 6  0458TDB  Enter E sphere 
 0500  Enceladus E-16 at 496 km  
 0502DTB  Depart E sphere 
2011 Nov 6   Methone pass 19000 km  
  Peri-156 197000 km 
  Pandora pass 76000 km  
  Calypso pass 86000 km  
2011 Nov 8  2317  OTM 299, 12.0s 2.1m/s 
2011 Nov 14   Apo-157 2.4Mkm 
2011 Nov 23   Helene pass 103000 km 
  Peri-157 196000 km  
2011 Nov 24  0518  OTM 300 17s 3.0m/s  
 0304  Enceladus pass 35000 km  
  Epimetheus pass 51000 km  
  Titan pass 863000 km 
2011 Nov 27   Titan pass 748000 km  
2011 Nov 28   CDA restart command 
2011 Dec 1  2304  OTM 300a, 13.8s 0.02m/s, apo targeting 
2011 Dec 2   Apo-158 2.4Mkm 
2011 Dec 9  2048  OTM 301 D3/T79 prep 11.3s 0.02m/s 
2011 Dec 11   Calypso pass 92000 km  
2011 Dec 11   Peri-158 196000 km  
2011 Dec 12  0427 Enceladus pass 20000 km 
 0705 Tethys pass 61134 km C/A 
 0934  Enter D sphere 
 0940 Dione D3 flyby 99 km  
 0947  Depart D sphere 
2011 Dec 13  1737  Enter T sphere 
2011 Dec 13  2013 Titan T79 3586 km  
 2248  Depart T sphere 
2011 Dec 15    199523 x 2843567 x 0.9 
2011 Dec 17  0817  OTM 303 2.9s 0.49 m/s 
2011 Dec 22  2148  OTM-304 10s 0.016m/s 
2011 Dec 23   Apo 159 2.9Mkm 
2012 Jan 2  1308  Enter T sphere 
 1513:38 Titan T80 29415 km  
 1722  Depart T sphere 
2012 Jan 4   Peri-159 
2012 Jan 16  0639  OTM-306 Approach burn  
2012 Jan 28   Peri-160, 206000 km 
2012 Jan 30  1137 Enter T sphere 
 1339:48  Titan T81 31131 km 
 1544  Depart T sphere 
32012 Feb 3   OTM-308 2:04 0.14m/s 
2012 Feb 9   Apo-161  
2012 Feb 17   OTM-310 12s 0.02m/s 
2012 Feb 19  0610 Enter T sphere 
 0843:17 Titan T82 3803 km, reduce period 
 1119  Depart T sphere 
2012 Feb 20   Peri 161 
2012 Mar 1   Apo 162 
2012 Mar 6   Titan inbound pass 717800 km 
2012 Mar 9   Titan pass 864013 km 
 2324 Enceladus pass 
62012 Mar 10   Peri 162 
2012 Mar 10   OTM-312, 3.6m/s  
 1504 Rhea pass 41862 km 
2012 Mar 16   OTM-312A 0.1m/s, E17 targeting 
  CAPS powered back on 
2012 Mar 20   Apo-163 
2012 Mar 24   OTM-313, E17 app, 0.02m/s 10s 
2012 Mar 27   Peri-163 
2012 Mar 27  1829  Enter E sphere 
 1832 Enceladus E17 at 74 km  
 1834  Depart E sphere 
2012 Mar 30   OTM-314 133.8s 0.14m/s 
2012 Apr 5   Apo 164 
2012 Apr 11   OTM-316 25.5s 0.03m/s 
2012 Apr 14  1400  Enter E sphere 
 1402 Enceladus E18 at 74 km 
 1405  Depart E sphere 
2012 Apr 14   Peri-164 
 2206 Tethys flyby 9053 km  
2012 Apr 23   Apo-165 
2012 Apr 24   OTM-318 1.3s 0.23m/s 
2012 Apr 28   OTM-319 E-19 approach, 29.5s 0.03m/s 
2012 May 2  0930  Enter E sphere 
 0933 E-19 flyby 74 km  
 0935  Depart E sphere 
  Peri-165 136000 km  
 2014  Dione pass 8063 km / 8625 km C/A  
2012 May 11   Apo-166 
2012 May 13    134725 x 2368947 x 0.4 
  OTM 321, 8.3m/s for T83 targeting 
2012 May 19   OTM-322 Approach OTM, 73s 0.08m/s 
2012 May 20   Peri-166 
  Methone flyby 1900 km  
 0216 Tethys pass 54340 km C/A 
2012 May 21  2233 Enter T sphere 
2012 May 22  0110:11  T-83 flyby 955 km 9.8N 
 0350 Depart T sphere 
  Inclination increase 
2012 May 28    126719 x 2198299 x 15.8  
2012 May 28   Apo-167 
2012 May 30   OTM-324, 21s 3.7m/s 
2012 Jun 3   CAPS shutdown 
2012 Jun 3  1515s  Approach OTM-325, 0.04m/s 
2012 Jun 5   Peri-167 
2012 Jun 6  2131 Enter T sphere 
2012 Jun 7  0007:21 T-84 flyby 959 km 39.1N 
 0246 Depart T sphere 
  Raise inc 
2012 Jun 10   OTM-326, cleanup 2.4s 0.42m/s 
2012 Jun 12    244012 x 2833903 x 21.1 
2012 Jun 17   Apo-168 
2012 Jun 29   Peri-168 
2012 Jul 10   Apokrone-169 
2012 Jul 12    245971 x 238576 x 21.2 
2012 Jul 21   OTM-328 approach 161s 0.17m/s 
2012 Jul 23   Peri-169 
2012 Jul 24  1726 Enter T sphere 
2012 Jul 24  2003:07 T-85 flyby 1012 km 61.6N 
  Raise inc 
 2243 Depart T sphere 
2012 Jul 27    285605 x 2549886 x 32.2 
2012 Aug 2   Apo-170 21.2d 32.2d 
2012 Aug 7   OTM-330 4.4m/s 25s 
2012 Aug 13   Peri-170  
2012 Aug 23   Apo-171, 2.6Mkm, 21.3d 32.2 deg 
2012 Sep 3  0800? Peri-171  
2012 Sep 14  0000? Apo-172 21.3d 32.2deg 
2012 Sep 23   OTM 331 54s 0.06m/s approach 
2012 Sep 24  1600? Peri-172  
2012 Sep 26  1159  Enter T sphere 
 1437 T-86 flyby 956 km  
 1715  Depart T sphere 
2012 Sep 29   OTM-332 179s 0.19m/s cleanup 
2012 Oct 6  1100? Apo-173 2.7Mkm 
2012 Oct 9   OTM-333 4.3s 0.76m/s targeting 
2012 Oct 18  1000? Peri-173 416000 km 
2012 Oct 24   Saturn conjunction with Sun 
2012 Oct 30  0900? Apo-174 2.7Mkm 
2012 Nov 9   OTM 334 56s 0.06m/s apporach 
2012 Nov 11  0800? Peri-174 410000 km past E ring 
2012 Nov 13  0745  Enter T sphere 
 1023 T-87 flyby 973 km  
 1302  Depart T sphere 
2012 Nov 16   OTM-335 1.4s 0.25m/s cleanup 
2012 Nov 19  0300? Apo-175 2.03Mkm 
2012 Nov 21   OTM-336, 28s 5m/s targeting 
2012 Nov 25   OTM-337, 15s 0.02m/s approach 
2012 Nov 27  0300? Peri-175 vrel=44289 kph 
2012 Nov 29  0620 Enter T sphere 
 0858  T-88 flyby 1014 km  
 1136 Depart T sphere 
2012 Dec 2   OTM-338 22s 0.03m/s 
2012 Dec 3  1100? Apo-176 1.7Mkm 
2012 Dec 10  0300?  Peri-176 378000 km  
2012 Dec 16  1800?  Apo-177 1.7Mkm 
2012 Dec 22  2308 Rhea pass 22872 km 
2012 Dec 30  0000? Apo-178 1.7Mkm 
2013 Jan 5  1600? Peri-178 388000 km  
2013 Jan 12  0700?  Apo-179 1.7M km  
2013 Jan 18  2300?  Peri-179  388486 x 1653317 x 53.0 
2013 Jan 25  1400?  Apo-180 
2013 Jan 30   OTM-339 9.5s 1.7m/s 
2013 Feb 1  0600?  Peri-180  388486 x 1653317 x 53.0 
2013 Feb 7  2200? Apo-181 1.7Mkm  
2013 Feb 12  2326s OTM-340 26.3s 0.032m/s 
2013 Feb 14  1300? Peri-181  388000 x ? x 57.1  
2013 Feb 16  2319 Enter T sphere 
2013 Feb 17  0156:35  T-89 flyby 1978 km, 5.8km/s 20.7N  
 0436 Depart T sphere 
2013 Feb 20  0600? Apo-182 1.53Mkm x 57.1 12d 
2013 Feb 24   OTM-341 8.4s 1.4m/s 
2013 Feb 26  0500? Peri-182 425000 km  
2013 Mar 1   OTM 342 1.6s 0.26m/s 
2013 Mar 4  0500? Apo-183, 1.5Mkm 
2013 Mar 9  1808  Enter R sphere 
 1819  R-4 Rhea 997 km  
 1829  Depart R sphere 
2013 Mar 10  0400? Peri-183 
2013 Mar 16  0400? Apo-184, 1.5Mkm 
  OTM-345 177s 0.19m/s 
2013 Mar 22  0300? Peri-184, 425000 km 
2013 Mar 28  0300? Apo-185, 1.53Mkm 
2013 Mar 31  1016s  OTM approach 11s 0.02m/s 
2013 Apr 3  0200?  Peri-185 424000 km 
2013 Apr 5  1906  Enter T sphere 
 2143:31  T-90 on orbit 185 at 1400 km 5.8 km/s 16.8S 
2013 Apr 6  0023  Depart T sphere 
2013 Apr 7  1800? Apo-186 
2013 Apr 8   OTM-347 RCS 115s 0.12m/s 
2013 Apr 12  1300? Peri-186 316000 km 
2013 Apr 17  0800?  Apo-187 1.36Mkm 
2013 Apr 22  0300? Peri-187 314000 km x 61.7 deg 
2013 Apr 26  2200? Apo-188 1.4Mkm 
2013 Apr 30   OTM-348 2.8s 0.5m/s targeting 
2013 May 1  1700? Peri-188 316000 km 
2013 May 6  1100? Apo-189 1.36Mkm 
2013 May 11  0600? Peri-189 316000 km  
2013 May 16  0100? Apo-190 1.36Mkm 
2013 May 19  0646s OTM-349 10s 0.02m/s  
2013 May 20  2000? Peri-190 316000 km 
2013 May 23  1456 Enter T sphere 
 1732:55  T-91 Titan flyby on orbit 190, 970 km 5.9 km/s 46.2N 
 2012 Depart T sphere 
2013 May 26  0800? Apo-191 1.4Mkm, 59.4 deg 
2013 May 27   OTM-350 45s 0.05m/s 
2013 Jun 1  0800? Peri-191 557000 km 
2013 Jun 7  0700? Apo-192 1.4Mkm 
2013 Jun 11   OTM-351 targeting, 4.7s 0.82m/s 
2013 Jun 13  0600? Peri-192 555000 km 
2013 Jun 19  0600? Apo-193 1.4Mkm 59.4 deg 
2013 Jun 24   Earth occ 
2013 Jun 25  0600? Peri 193, 558000 km 
2013 Jul 1  0500? Apo-194 1.4Mkm 
2013 Jul 7   OTM-352 approach 54s, 0.06m/s 
  Peri-194 
2013 Jul 10  1045  Enter T sphere 
 1323 T-92 Titan flyby 964 km 
 1601  Depart T sphere 
2013 Jul 14   OTM-353 1.4s 0.24m/s 
2013 Jul 15  0700? Apo-195 1.5Mkm 
2013 Jul 18   OTM-354 13.2s 2.3m/s targeting 
2013 Jul 23   OTM-355 66.9s 0.07m/s 
2013 Jul 23  0600? Peri-195 863000 km  
2013 Jul 26  0919 Enter T sphere 
 1158 T-93 Titan flyby 1400 km, reduce i to 53.4 deg  
 1436 Depart T sphere 
2013 Aug 5  1700? Apo-196 2.1Mkm 
2013 Aug 7  0800? OTM-357 21s 3.6m/s 
2013 Aug 17  1600? Peri-196  
2013 Aug 29  1500? Apo-197 53.4 deg 
2013 Sep 1   Occultation  
2013 Sep 8   OTM 358 30s 0.03m/s 
2013 Sep 10  1400? Peri-197 1.11Mkm 
2013 Sep 12  0507 Enter T sphere 
 0745  T-94 Titan flyby 1400 km  
 1023  Depart T sphere 
2013 Sep 15   OTM 359 
2013 Sep 27  1600? Apo-198 2.68Mkm 
2013 Sep 29   OTM 360 66s 0.07m/s 
2013 Oct 10   OTM 361 12s 0.018m/s 
2013 Oct 13  1300? Peri-198 1.20Mkm 
2013 Oct 14  0219 Enter T sphere 
 0457  T-95 Titan flyby 961 km R = 3541 
 0736 Depart T sphere 
2013 Oct 30   Solar conjunction 
2013 Nov 2   OTM 363, main engine 2s, 0.36m/s 
2013 Nov 7  0700? Apo-199 3.87Mkm 
2013 Nov 27   OTM 364, RCS 8s, 0.013m/s 
2013 Nov 30  2204  Enter T sphere 
2013 Dec 1  0041  T-96 Titan flyby 1400 km 
 0321  Depart T sphere 
 2244  Peri-199 1.18Mkm  1.12 x 2.64M km x 51.3  
2013 Dec 17  2115?  Apo-200 2.7Mkm  
  OTM-366 main engine 2.1s 0.37m/s 
2013 Dec 29   OTM-367 RCS 110s 0.115m/s 
2014 Jan 1  1923  Enter T sphere 
 2201 T-97 Titan flyby 1400 km 5.9 km/s 
2014 Jan 2  0039 Depart T sphere 
2014 Jan 3  1130?  Per-200 1.09Mkm 
2014 Jan 5   OTM 368 0.101m/s 99s RCS 
2014 Jan 19  1000? Apo-201 2.78Mkm  
2014 Jan 30   OTM-370 RCS 51s 0.05m/s  
2014 Feb 2  1636 Enter T sphere 
 1914 T-98 Titan flyby 1236 km 5.9 km/s 
 2152 Depart T sphere 
2014 Feb 5   OTM 371, 86s 89mm/s 
2014 Feb 4  1800? Peri-201 0.98Mkm 
2014 Feb 16   OTM 372 9.6s 1.7m/s 
2014 Feb 20  1700? Apo-202 2.89Mkm 
2014 Mar 3   OTM 373 20s 24mm/s 
2014 Mar 6  1350  Enter T sphere 
 1628 T-99 Titan flyby 1500 km 
 1906 Depart T sphere 
2014 Mar 8  1930?  Peri-202 859210 km 
2014 Mar 20   OTM-375 0.54m/s  
2014 Mar 24  1800? Apo-203 3.02Mkm 
2014 Apr 4   OTM 376 51s 0.054m/s 
2014 Apr 7  1104 Enter T sphere 
 1342  T-100 Titan flyby 963 km, pi-transfer 
 1621 Depart T sphere 
  Move flybys from sunward to antisunward side of Saturn 
2014 Apr 9  1600? Peri-203 
2014 Apr 11   OTM 377 33s 0.04m/s 
2014 Apr 24   OTM-378 32s 0.04m/s 
2014 Apr 27  1400? Apo-204 3.44 Mkm 
2014 May 14   OTM 379 17s 0.02m/s 
2014 May 15 1130  Peri-204 0.746Mkm 
2014 May 17  1333 Enter T sphere 
 1613  T-101 Titan flyby 2994 km 
 1854 Depart T sphere 
2014 May 21   OTM 380 13s 0.02m/s 
2014 May 31  0838  Apo-205 2.0 Mkm 
2014 Jun 15   OTM 382 (T102 approach) 23s 0.028m/s 
2014 Jun 16  0716  Peri-205 750000 km 
2014 Jun 18  1050 Enter T sphere 
 1329  T-102 Titan flyby 3659 km 
 1609 Depart T sphere 
2014 Jun 21   OTM 383 41s 0.045m/s 
2014 Jul 2  0643  Apo-206 at 2.98Mkm 
2014 Jul 17   OTM 385 29s 0.032m/s 
2014 Jul 18  0527  Peri-206 at 900200 km  
2014 Jul 20  0803 Enter T sphere 
 1042  T-103 Titan flyby 5103 km 
 1322 Depart T sphere 
2014 Aug 3  0650 Apo-207 at 2.91Mkm 
2014 Aug 9   Major OTM-387 ME 71s 12.5m/s, change i-dot sign 
2014 Aug 13   Pass 959000 km from Titan 
2014 Aug 18   OTM-388 29s 0.03m/s, T104 targeting 
2014 Aug 19  0550?  Peri-207 962000 km 
2014 Aug 21  0531 Enter T sphere 
 0811  T-104 Titan flyby 964 km 
 1050 Depart T sphere 
2014 Sep 4  0110? Apo-208 at 3.06Mkm 
2014 Sep 6   OTM-390 7.4s 1.26m/s, T105 targeting 
2014 Sep 19   OTM-391 79s 0.09m/s 
2014 Sep 20  0000? Peri-208 753000 km height 
2014 Sep 22  0244 Enter T sphere 
 0525  T-105 Titan flyby 1400 km 
 0804 Depart T sphere 
2014 Sep 25   OTM-392 63s 0.066m/s 2253 kg mass, cleanup 
2014 Oct 5  2240?  Apo-209 at 3.19Mkm 
2014 Oct 8   OTM-393 6s 1m/s, T106 targeting 
2014 Oct 20   OTM-394 32s 0.035m/s fine adjust 
2014 Oct 21  2130?  Peri-209 
2014 Oct 27   OTM-395 60s 0.062m/s 
2014 Oct 24  0002 Enter T sphere 
2014 Oct 24  0242  T-106 Titan flyby 1013 km  
 0521 Depart T sphere 
2014 Nov 14  2300?  Apo-210 4.42Mkm 
2014 Nov 21   OTM-396 201s 0.20 m/s 
2014 Dec 7   OTM-397 32s 0.04m/s 
2014 Dec 8  2100? Peri-210 C/A 658161 km 
2014 Dec 10  1948 Enter T sphere 
 2227  T-107 Titan flyby 980 km  
2014 Dec 11  0108  Depart T sphere 
2014 Dec 13   OTM-398 164s 0.16mm/s 
2014 Dec 24  1910? Apo-211 3.39Mkm  430889 x 3327368 x 28.7 
2014 Dec 29   OTM-399 5.5s 0.97m/s OME 
2015 Jan 9  1800? Peri-211 C/A 491800 km, ht 431000 km 
 1800? OTM-400 0.055m/s 
2015 Jan 11  1710  Enter T sphere 
 1950  T-108 Titan flyby 970 km 
 2230 Depart T sphere 
2015 Jan 14   OTM-401 232s 0.23m/s 
2015 Jan 25  1840? Apo-212  
2015 Jan 31   OTM 402 at apo, 1.3m/s 7s OME  355930 x 3403789 x 19.1 
2015 Feb 9   OTM-403 25s 0.03m/s 
2015 Feb 10  0646 Rhea flyby 47000 km 
2015 Feb 10  1720? Peri-212 C/A 415500 km  355212 x 3387417 x 19.1 
2015 Feb 12  1430 Enter T sphere 
 1710 T-109 Titan flyby 1200 km  
 1949 Depart T sphere 
2015 Feb 15   OTM-404 3s 0.5m/s OME 
2015 Feb 26  1710? Apo-213 3.505Mkm 
2015 Mar 4   OTM-405 0.10m/s 100s 
2015 Mar 13   OTM-406 0.023m/s 18s 
2015 Mar 14   58000 km from Helene 
2015 Mar 14   101000 km from Calypso 
2015 Mar 14  1600? Peri-213  313834 x 3425878 x 8.5  
2015 Mar 16  1151 Enter T sphere 
 1430 T-110 Titan flyby 2275 km  
 1711 Depart T sphere 
  In equatorial plane  
2015 Mar 18    276538 x 3163695 x 0.3 
2015 Mar 28  1640? Apo-214 
2015 Apr 11  1710?  Peri-214  
 1800 Tethys pass C/A 53405 km ht 52869  
 2323 Dione pass C/A 110690 km 
2015 Apr 20   OTM-408 44s 0.05m/s 
2015 Apr 25  1750?  Apo-215 
2015 May 4   OTM-409 12s 0.017m/s 
2015 May 7  2012 Enter T sphere 
 2252  T-111 Titan flyby 2722 km 
2015 May 8  0131 Depart T sphere 
2015 May 9   93000 km from Aegaeon 
  114000 km from Daphnis 
  46000 km from Telesto 
 1810?  Peri-215 
  34000 km from Polydeuces 
2015 May 11   OTM-410 60s 0.06m/s 
2015 May 19  0440? Apo-216 
2015 May 28  1500? Peri-216 
  942000 km from Titan 
  45000 km from Telesto 
2015 May 31   34000 km from Hyperion 
2015 Jun 7  0200? Apo-217 
2015 Jun 8   OTM-411 58s 0.06m/s 
2015 Jun 15   35000 km from Polydeuces 
2015 Jun 16   110000 km from Methone 
  118000 km from Pan 
  111000 km from Atlas 
2015 Jun 16  1250?  Peri-217 
  101000 km Janus 
  44000 km Telesto 
  958000 km Titan 
2015 Jun 16  2006  Enter D sphere 
 2012  D-4 Dione 516 km 
 2020 Depart D sphere 
2015 Jun 26  0000?  Apo-218 
  OTM-414 0.07m/s 71s 
2015 Jul 5  1120? Peri-218 
  116000 km Pan 
  14000 km Telesto 
2015 Jul 7  0538  Enter T sphere 
 0811  T-112 Titan 10953 km 
 1045  Depart T sphere 
2015 Jul 10   OTM-416 0.1m/s 
2015 Jul 16  0830? Apo-219 
2015 Jul 25   925000 km Titan 
2015 Jul 26   61000 km Dione 
2015 Jul 27  0600? Peri-219 
  111000 km Enceladus 
2015 Aug 7  0350? Apo-220 2.73Mkm 
2015 Aug 9   OTM-417 18mm/s 
2015 Aug 17  1826 Enter D sphere 
 1834  D-5 Dione flyby 475 km 
 1842 Depart D sphere 
  42000 km Tethys 
  53000 km Enceladus 
2015 Aug 18  0130?  Peri-220 0.28Mkm 
  90000 km Methone 
  960000 km Titan 
  113000 km Helene 
2015 Aug 21  OTM-419 56s 0.06m/s 
2015 Aug 28  2330? Apo-221 2.7Mkm 
2015 Sep 8   Dione 42000 km 
2015 Sep 8  2150? Peri-221 0.28Mkm 
  83000 km Helene 
2015 Sep 10   707000 km Titan 
2015 Sep 19  1930? Apo-222 2.7Mkm 
2015 Sep 24  s  OTM-421 
2015 Sep 28  1859 Enter T sphere 
 2139  T-113 Titan 1036 km 
2015 Sep 29  0017 Depart T sphere 
2015 Sep 30   41000 km Dione 
  44000 km Calypso 
  65000 km Mimas 
2015 Sep 30  1620? Peri-222 0.17Mkm 
  117000 km Tethys 
  80000 km Aegaeon 
  Dense ring passage 
  118000 km Telesto 
  58000 km Rhea 
2015 Oct 2   OTM-422 1.4s 0.25m/s 
2015 Oct 5   OTM-423 2.6m/s main engine 15s 
2015 Oct 7  1510?  Apo-223 2.05Mkm 
2015 Oct 10   OTM-424 33s 0.033m/s 
2015 Oct 13   826000 km Titan 
2015 Oct 14   116000 km Polydeuces 
2015 Oct 14  1043  E-20 Enceladus flyby 1839 km, outside sphere 
2015 Oct 14   40000 km Methone 
2015 Oct 14   119000 km Prometheus 
2015 Oct 14  1410?  Peri-223 
2015 Oct 14   Dense ring passage 
2015 Oct 14   117000 km Helene 
2015 Oct 19   OTM-426 0.07m/s 70s 
2015 Oct 21  1320? Apo-224 
2015 Oct 27   84000 km Polydeuces 
2015 Oct 28   60000 km Telesto 
  73000 km Daphnis 
 1200? Peri-224 175000 C/A 
  65000 km Pan 
  Dense ring passage 
2015 Oct 28  1522 Enter E sphere 
 1524  E-21 Enceladus flyby 49 km 
 1526  Depart E sphere 
2015 Oct 28   79000 km Helene 
2015 Oct 29   800000 km Titan 
2015 Nov 4  1050? Apo-225 
  OTM-429 112s 0.109m/s 
2015 Nov 11  0930?  Peri-225 
2015 Nov 13  0312 Enter T sphere 
 0548  T-114 11920 km  
 0823 Depart T sphere 
2015 Nov 15   OTM-431 105s 0.103m/s 
2015 Nov 17  1830? Apo-226 
2015 Nov 24 0320?  Peri-226 
2015 Nov 30 1150?  Apo-227 
2015 Dec 6  2040?  Peri-227 
2015 Dec 13  0520?  Apo-228 
2015 Dec 19  1420? Peri-228 
2015 Dec 19  1750  E-22 4999 km  
2015 Dec 26  0030? Apo-229 
2015 Dec 29   OTM-435 17s 3m/s 
2016 Jan 1   Aegaeon flyby 94000 km 
  Pan flyby 97000 km 
2016 Jan 1  1040? Peri-229 
  Pandora pass 110000km 
  Methone flyby 28000 km 
  Tethys flyby 39000 km 
2016 Jan 7  2040? Apo-230 
2016 Jan 12   OTM-436 34s 0.036m/s 
2016 Jan 13   Calypso pass 115000 km 
  Enceladus flyby 72000 km 
  Mimas flyby 28000 km 
  Atlas flyby 94000 km 
2016 Jan 14  0650? Peri-230 
  Daphnis flyby 23000 km 
  Telesto flby 14000 km 
2016 Jan 15  2344 Enter T sphere 
2016 Jan 16  0222  T-115 flyby 3817 km 
 0459 Depart T sphere 
2016 Jan 22  0530? Apo-231 
2016 Jan 23   OTM-438 OME 39s 6.8m/s 
2016 Jan 29   OTM-439 10s 0.016m/s 
2016 Jan 30  0500?  Peri-231  
  Pan pass 117000 km 
  Polydeuces pass 105000 km 
2016 Jan 31  2223 Enter T sphere 
2016 Feb 1  0101 T-116 flyby 1400 km 
 0340 Depart T sphere 
2016 Feb 3   OTM-440 OME 3.3s 0.58m/s 
2016 Feb 7 0310? Apo-232 
2016 Feb 8   OTM-441 4.2s 0.75m/s 
2016 Feb 13   OTM-442 9s 0.01m/s 
2016 Feb 14   Polydeuces flyby 77000 km 
  Telesto flyby 49000 km 
  Epimetheus flyby 116000 km 
2016 Feb 15  0245? Peri-232 
  Encleadus flyby 84000 km 
2016 Feb 16  2113 Enter T sphere 
 2350 T-117 flyby 1018 km 
2016 Feb 17  0229 Depart T sphere 
2016 Feb 20   OTM-443? 69s 0.07m/s 
2016 Feb 26  2350?  Apo-233 
2016 Mar 8   Titan 426000 km 
2016 Mar 9  2230?  Peri-233 
2016 Mar 21  2140? Apo-234 
2016 Mar 25   OTM-444 7.95m/s OME 45s, Titan targeting 
2016 Apr 1   OTM-445 62s 0.063m/s 
2016 Apr 2  2100? Peri-234 
2016 Apr 4  1705 Enter T sphere 
 1944  T-118 990 km 
 2223 Depart T sphere 
2016 Apr 6   OTM-446 172s 0.167m/s cleanup 
2016 Apr 18  1800? Apo-235 
2016 Apr 22   OTM-447 OME 10.1s 1.8m/s 
2016 May 4   OTM-448 11.3s 0.017m/s 
2016 May 4  1640? Peri-235 
2016 May 6  1417 Enter T sphere 
 1656  T-119 971 km 
 1934 Depart T sphere 
2016 May 9   OTM-449 3.2s OME, 0.55m/s 
2016 May 20  1310?  Apo-236 
2016 May 22   OTM-450 23s 0.027m/s 
2016 Jun 4  s  OTM-451 
2016 Jun 5  1150?  Peri-236 545320 km 
2016 Jun 7  1128 Enter T sphere 
 1407 T-120 975 km 
 1646 Depart T sphere 
2016 Jun 11  OTM-452 1.4s OME 0.249m/s 
2016 Jun 17  0550? Apo-237 
2016 Jun 29  0430? Peri-237 
2016 Jul 11  0350? Apo-238 
2016 Jul 17   OTM-453 11.5s OME 2.0m/s 
2016 Jul 22   OTM-454 48s 0.05m/s 
2016 Jul 23  0310? Peri-238 
2016 Jul 25  0720 Enter T sphere 
 1000  T-121 976 km 
 1239 Depart T sphere 
2016 Jul 28   OTM-455 188s 0.18m/s 
2016 Jul 30  1910? Apo-239 
2016 Aug 2   OTM-456 0.79m/s 4.5s OME 
2016 Aug 7  1840? Peri-239 
2016 Aug 10  0553 Enter T sphere 
 0832 T-122 1599 km 
 1111 Depart T sphere 
2016 Aug 13  1430? Apo-240 
2016 Aug 19  0546 Titan 819178 km C/A 
2016 Aug 19  1350? Peri-240 
2016 Aug 20   OTM-459 53s, 0.06m/s 
2016 Aug 25  1320? Apo-241 
2016 Aug 30  1328 Titan 999179 km C/A 
2016 Aug 31  1240? Peri-241 
2016 Sep 6  1220? Apo-242 
2016 Sep 12  1150? Peri-242 
2016 Sep 18  1120? Apo-243 
2016 Sep 22   OTM-460 
2016 Sep 23   110000 km from Polydeuces 
2016 Sep 24  1100? Peri-243 
2016 Sep 27  0139  Enter T sphere 
 0418  T-123 1737 km 
 0657  Leave T sphere 
2016 Sep 29  0530? Apo-244 
2016 Sep 29   OTM-461 
2016 Oct 3  1707 Titan 877958 km C/A  
2016 Oct 3   107000 km pass of Helene 
2016 Oct 4  0020? Peri-244 
2016 Oct 4   OTM-462 
2016 Oct 8  1910? Apo-245 
2016 Oct 13  1400? Peri-245 
2016 Oct 18  0850? Apo-246 
2016 Oct 22  59000 km flyby of Telesto 
2016 Oct 23  0340 Peri-246 
2016 Oct 27  2230? Apo-247 
2016 Oct 29  0834? Titan 866096 km C/A 
2016 Nov 1   Telesto 104000 km 
  Polydeuces 107000 km 
2016 Nov 1  1710? Peri-247 
2016 Nov 6  1200? Apo-248 
2016 Nov 9   OTM-463 
2016 Nov 10   Tethys 102000 km 
2016 Nov 11  0650? Peri-248 
2016 Nov 13  2120  Enter T sphere 
 2357 T-124 1582 km 
2016 Nov 14  0234  Leave T sphere 
2016 Nov 15  0900? Apo-249 
2016 Nov 16   OTM-464 
2016 Nov 19   Mimas flyby 47000 km 
  Daphnis pass 86000 km 
  Methone pass 73000 km 
  Pandora pass 93000 km 
 0840? Peri-249 
2016 Nov 21   OTM-465 
2016 Nov 23  0810? Apo-250 
2016 Nov 26   OTM-466 
2016 Nov 27   Epimetheus pass 86000 km 
 0652 Enceladus flyby 22000 km R=20561 
2016 Nov 27  0800? Peri-250 
2016 Nov 29  1939  In T sphere 
2016 Nov 29  2216 T-125 3223 km  3158 x -8925 x 124.71 
2016 Nov 30  0053  Leave T sphere 
2016 Nov 30  2330? Apo-251, begin F-ring approaches 
  Ring-Grazing Orbits phase 
2016 Dec 4   OTM-467 6s 
  Methone pass 50000 km 
2016 Dec 4   Ring plane Sb 150000 km 
 1340? Peri-251 RG1 
  Pan flyby 57000 km 
2016 Dec 6   Ring plane Nb 1.2Mkm 
2016 Dec 8  0350? Apo-252 
2016 Dec 11   Prometheus 101000 km 
  Pallene 95000 km 
  Ring plane Sb 150000 km 
  (11051 km to F ring) 
 1750? Peri-252 RG2 
2016 Dec 14   Ring plane Nb 1.21Mkm 
2016 Dec 15  0800? Apo-253 
2016 Dec 15  2153 343000 km from Titan 
  Aegaeon flyby 98000 km 
2016 Dec 18   Ring plane Sb 150000 km 
 ( 9909 km to F ring) 
  Pandora flyby 14000 km 
 2200? Peri-253 RG3 
  Janus pass 110000 km 
  Pan flyby 93000 km 
2016 Dec 21   Ring plane Nb 1.2Mkm 
2016 Dec 22  1200? Apo-254 
2016 Dec 23   OTM-468 0.22m/s RCS 239s 
2016 Dec 25   Ring plane Sb 150000 km 
  (F ring 9806 km) 
  Aegaeon flyby 32000 km 
2016 Dec 26  0128 Enceladus pass 89590 km C/A 
2016 Dec 26  0132 Mimas pass 40375 km C/A 
2016 Dec 26  0150? Peri-254 RG4 
2016 Dec 29  1600? Apo-255 
2016 Dec 31   Titan at 682000 km 
2017 Jan 2  0550? Peri-255 RG5  88461 x 1232833 x 63.7 
  Ring plane, F ring 9585 km 
2017 Jan 5  1940? Apo 256 
2017 Jan 9   Ring plane s, 9460 km to F 
 0950? Peri 256 RG6 
2017 Jan 12  2340? Apo 257 
2017 Jan 16   Ring plane P-20m, 9515 km to F 
 1340? Peri 257 RG7 
  Daphnis pass 
2017 Jan 20  0340? Apo-258 
2017 Jan 23   Ring plane P-21m, 10000 km to F 
 1730? Peri 258 RG8 
2017 Jan 27  0730? Apo 259 
2017 Jan 30  2104 Epimetheus pass 3614 km (Hill=102km) 
  Ring plane P-20, 10000 km to F 
 2130? Peri 259 RG9 
2017 Feb 1  1954 Titan 220000 km 
2017 Feb 3  1130? Apo 260 
2017 Feb 7  0150? Peri 260 RG10 
  Ring plane (F 11000 km) 
2017 Feb 10 1600? Apo 261 
2017 Feb 14   Ringplane 
 0620? Peri 261 RG11 
2071 Feb 17   Pass 186800 km from Titan 
2017 Feb 17  2020? Apo 262 
2017 Feb 21  1030?  Peri 262, RG12 
  Epimetheus pass 8300 km 
2017 Feb 22   OTM-468A 207s RCS, 0.2m/s  
2017 Feb 25  0020? Apo 263 
2017 Feb 28  1430? Peri 263, RG13 
2017 Mar 4  0430? Apo 264 
2017 Mar 5   Titan at 490000 km 
2017 Mar 7  1806 Peri 264: 22290 km to Pan (Hill=19km) 
2017 Mar 7  1830?  Peri 264, RG14 
2017 Mar 11  0820?  Apo 265 
2017 Mar 14  2230? Peri 265, RG15 
2017 Mar 18  1220? Apo 266 
2017 Mar 22  0220? Peri 266, RG16 
2017 Mar 25  1610? Apo 267 
2017 Mar 29  0610?  Peri 267, RG17 
2017 Apr 1  2000?  Apo 268 
2017 Apr 5  1000? Peri 268 RG18 
2017 Apr 6   Distant Titan pass 
2017 Apr 9  0000? Apo 269 
2017 Apr 12  1342  10910 km to Atlas (Hill=22km) 
2017 Apr 12  1400? Peri 269, RG19 
2017 Apr 16  0400?  Apo 270 
2017 Apr 19  1810?  Peri 270, RG20  87060 x 1235086 x 63.5 
2017 Apr 22  0332 Enter T sphere 
 0609  T-126 Titan 979 km 
 0846  Leave T sphere 
  Proximal (Grand Finale) Orbits 
2017 Apr 23  0340? Apo 271  2566 x 1212096 x 62.4 
2017 Apr 26   First Grand Finale Dive 
2017 Apr 26  0910?  Peri 271, Prox 1. 1.047Rs 
2017 Apr 29  1420? Apo 272, 1.27Mkm 
2017 May 2  2000? Peri 272, Prox 2 
2017 May 6  0110? Apo 273 
2017 May 9  0620 Peri 273, Prox 3 
2017 May 10   OTM-471 0.021m/s 14s 
2017 May 12  1130? Apo 274 
2017 May 15  1650? Peri 274, Prox 4 
2017 May 18  2200? Apo 275 
2017 May 22  0320? Peri 275, Prox 5 
2017 May 24  0019  Titan 117953 km  
2017 May 25  0850? Apo 276 
2017 May 28  1430? Peri 276 Prox 6, D ring 
2017 May 31  2000? Apo 277  3533 x 1215004 x 62.0 
2017 Jun 4  0140? Peri 277 Prox 7 
2017 Jun 7  0710? Apo-278  
2017 Jun 10  1300? Peri-278 Prox 8 
2017 Jun 13  1830? Apo-279 
2017 Jun 17  0000? Peri-279 Prox 9 
2017 Jun 20  0520?  Apo-280 
2017 Jun 23  1100?  Peri-280 
2017 Jun 26  1630? Apo-281 
2017 Jun 29  2220? Peri-281 
2017 Jul 3  0400?  Apo-282 
2017 Jul 6  0930?  Peri-282 
2017 Jul 9  1530? Apo-283 
2017 Jul 12  2040? Peri-283 
2017 Jul 15   OTM-472 153s 0.143m/s  
2017 Jul 16  0230? Apo-284 
2017 Jul 19  0800? Peri-284 
2017 Jul 22  1330? Apo-285 
2017 Jul 25  1900? Peri-285 
2017 Jul 29  0030? Apo-286 
2017 Aug 1  0620? Peri-286 
2017 Aug 4  1150? Apo-287 
2017 Aug 7  1730? Peri-287 
2017 Aug 10  2300?  Apo-288 
2017 Aug 14  0430? Peri-288 
2017 Aug 17  1000?  Apo-289 
2017 Aug 20  1530? Peri-289 
2017 Aug 23  2100?  Apo-290 
2017 Aug 27  0230? Peri-290 
2017 Aug 30  0750? Apo-291 
2017 Sep 2  1320 Peri-291 R=61830 
2017 Sep 5  1849 Apo-292 
2017 Sep 9  0019 Peri-292  1669 x 1293637 x 61.8 
2017 Sep 11  1904  T-292 flyby 118745 km 
2017 Sep 12  0539 Apo-293  -616 x 1215350 x 61.8  
2017 Sep 15  0715  Pass Enceladus orbit 
 0902  Pass F ring 
2017 Sep 15  1032:16  LOS, height 1650 km 
2017 Sep 15  1045:48  Radius 61268 km, entry 

Cassini is derived from the Mariner Mark II project. The JPL spacecraft is 5820 kg at launch. Dry mass of orbiter is 2150 kg, of probe is 350 kg. The spacecraft carries a Propulsion Module Subsystem (PMS) built by LMA-Denver. The PMS has two 490N R4D engines, one primary and one backup, and 4 thruster assemblies each with 16 1-N thrusters. The bipropellant engine carries 3100 kg of fuel. Mass of PMS is 495 kg dry.  [48]

The radar uses a Ku-band transmitter and the spacecraft primary high gain antenna.

Payload:

  • RADAR Titan Radar Mapper, in radar bay. Ku-band.

  • RFIS Radio Frequency Instrument Subsystem, Alenia Spazio 4-m antenna with S, X and Ka-band

  • Remote sensing pallet

    • ISS Imaging Science Subsystem, wide and narrow angle cameras, 0.2-1.1 mu.

    • INMS Ion and Neutral Mass Spectrometer

    • VIMS Vis IR Mapping Spectrometer, 0.35-1.05mu, 0.85-5.1mu

    • CIRS IR Composite Spectrometer, 7 mu to 1 mm

    • UVIS UV Imaging Spectrograph

  • Fields and Particles pallet

    • CDA Cosmic Dust Analyser

    • RPWS Radio Plasma Wave System

    • CAPS Cassini Plasma Spectrometer

    • MIMI Magnetospheric Imaging Instrument

  • DTMAG Dual Technique Magnetometer, on mag boom 

1997-061

Huygens is ESA Medium mission M1. Mass of the probe (ENA, or Entry Assembly plus DM, Descent Module) is 318 kg. The probe structure consists of a 2.75m diameter, 78 kg Front Shield (separates after entry), Descent control subsystem, and Parachute system, as well as the 1.1m diameter, 0.5m high Descent Module. Prime contractor for Huygens is Aerospatiale, which also built the heat shield. 

 The probe structure was from CASA of Spain. Control is from HPOC at ESOC/Darmstadt. The probe is named after Christiaan Huygens (1629-1695), who discovered Titan.

Initial orbit was 20000 x 10M km x 16.8 deg (cf RS=60268 km). Probe release was to be at 100 RS (6M km) from Saturn on 2004 Nov 6. The probe then falls in toward Titan with entry on 2004 Nov 27 at 6.100 km/s, -65 deg at 1270 km over 186.19 W 9.525S. At 200 to 350 km altitude the probe decelerates from 6 km/s to 0.4 km/s in under 2 min. At 0.4 km/s (M=1.5) the 2.6m diameter pilot chute deploys. 2 seconds later it separates carrying away the 16 kg back cover, and the 8.3m diameter main parachute deploys, and the Front Shield separates from the DM (Descent Module). 30 s later the science instruments are opened. After 15 min the main parachute separates and the 2.5m parachute is deployed. Landing was to be at 10.7S 197(+/-13) W on Titan; in Nov 2005 it was retrospectively determined to be at 10.3S (+/-0.4) 192.3W (+/-0.5) (Nature 438, 758).

The landing site was named the Hubert Curien Memorial Station in July 2006.

A commanding error meant that data on one of two redundant channels was not transmitted, so only 350 rather than 700 images were received.

Goodson et al (2006, ESA SP-607) reported actual Titan encounter conditions. Encounter at the 1270 km interface point was at 2005 Jan 14 0907 ET with V-infinity of 5.63 km/s, entry angle 65 deg.


Hugyens 
 

DateTimeEventOrbit  

2004 Jul 1   Cassini SOI  20000 x 10M x 16.8 
2004 Aug 31   Apoapsis  
2004 Sep 12   Periapsis raise burn  433000 x 10M x 16.8 
2004 Dec 25   Huygens sep 
2005 Jan 14  0441:19  Wakeup 
 0644  Enter Titan sphere, R=52390 km 
 0900? Begin data T0 
2005 Jan 14  0905:53  Interface at 1270 km, -65.4 deg  -1091 x -4610 x 167 deg 
 0906:57  Reconstruct: Interface at 1270 km, -65.40 deg 
2005 Jan 14  0910:21  T0: fire pilot parachute deploy 159 km 
 0910:23  T0+1.4s 2.6m pilot chute inflated 
 0910:23 T0+2s Main 8.3m para deploy, release aft cover 
 0910:54 T0+32s Front Shield sep, 150 km 
 0911:06 T0+42s Instruments on,  
 0911:11  GCMS Inlet cap jettison 
 0911:19  GCMS outlet cap jettison 
 0911:23  HASI boom deploy 
 0911:27  DISR cover jettison 
 0912:51  ACP inlet cap jettison 
 0925:21 T0+15:00 Main para sep, 110 km  
 0925:21 T0+15:00 3.0m Stabilizer para out 
 0942:17  Radar on, 60 km  
 1136:06  DISR surface lamp on, 0.7 km 
 1138:11  T0+2:27:50 Titan landing at 4.5m/s 
 1243? Landing +1h10m: end of transmission 
 1250:24  End of Cassini data stream 
 1337:32  Probe support avionics off 
 1453  End of PKS coverage, Huygens still alive 
 1510  Battery depletion, end of mission (estimated) 

Payload:

  • DISR Descent Imager/Spectral Radiometer, U Ariz.

  • HASI Atmospheric Structure Instrument, U Roma.

  • GCMS Gas Chromatograph Mass Spectrometer, GSFC

  • ACP Aerosol collector pyrolyzer, CNES

  • SSP Surface science package, Kent (force, refractive index, heat capacity, thermal conductivity, acoustic sounder/sonar, tilt sensor)

  • DWE Doppler wind experiment, Bonn



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