Sunday, July 29, 2018

Chinasat 20

 2003-052A


CAST/CASTC DFH-3. According to sinodefense.com, this satellite was Shen Tong 1 and used for Ku-band mobile strategic communications.

\uni{ 神通一号}{ }
Mass 2300 kg. Served at 103E from 2003 to 2008, then at 98E.

In 2008, ZX-20 and ZX-22A exchanged positions `due to the needs of users'. In 2013, ZX-22A moved slightly and ZX-20 returned to the 103E position.


ZX-20 
 

DateTimeEventOrbit  

2003 Nov 14  1601  Launch by CZ-3A  XSC 
  T+2:25 Stage 1 MECO 
  T+2:27 Stage 2 MES, Stage 1 sep 
  T+3:52 Fairing sep
  T+4:15 St 2 MECO 
  T+4:20 St 2 VECO 
  T+4:21 St 2 sep, St 3 MES 
 1611? T+10:19 St 3 MECO-1  200 x 200 x 28.5?  

 

1621? T+20:00 St 3 MES-2 
 1623? T+22:00 St 3 MECO-2 
 1625?  Stage 3 sep  212 x 41981 x  
2003 Nov 14    754.15 198 x 41934 x 24.98  
2003 Nov 20    1435.96 35770 x 35796 x 0.31 GEO 103.0E 
2003 Nov 26    1436.00 35775 x 35793 x 0.29 GEO 103.0E 
2006 Aug 8    1436.13 35770 x 35804 x 0.1 GEO 103.0E 
2008 Jun 7    1436.12 35781 x 35793 x 0.1 GEO 103.4E 
2008 Jun 24   Still tracked at 103E (error?) 
2008 Jun 25   Move in at 98E 1436.13 35777 x 35796 x 0.1 GEO 98.1E 
2011 Oct 19    1436.03 35775 x 35795 x 0.0 GEO 98.1E 
2012 Nov   NSSK ends 
2013 Apr 6    1436.07 35763 x 35808 x 0.4 GEO 98.0E 
2013 Apr 17   Move out, drift E 
2013 May 11   Move in at 103.2E 
2013 May 20    1436.01 35773 x 35796 x 0.5 GEO 103.2E 
2015 Nov 15    1436.12 35765 x 35808 x 1.4 GEO 103.3E 
2017 Dec 19    1436.19 35768 x 35808 x 3.9 GEO 103.1E

Wednesday, July 25, 2018

Elektro-L 1

 2011-001A


NPO Lavochkin took over the plans for a cheaper GOMS satellite, Elektro-L No. 1. Uses Navigator bus. Customers are the Rosgidromet and Planeta agencies. Mass 1766 kg (NK; other sources give 1701 kg, 1740 kg sep, 1620 kg?) launch, 1180 kg EOL; box + panel + antennae.

Launch by Zenit/Fregat to GEO 76E; or, Zenit-3M/Fregat-SB. Once in GEO, the spacecraft adopted the role GOMS-2

Fregat-SB (Sbrasivaemiye baki) with separable tanks. Additional tanks provide extra burn time, total 1767 s?

SBB: Sbrasivaemiye baki banov : Annulus

RB 1050 kg dry, 1.5m high 3.9m dia SBB 360 kg dry 3.9m dia? total 2.4m high so SBB 0.9m? (NK says SBB 357 kg, RB 950 kg). ISP 333.2s, trhust 1400-2000 kg, mass of prop 7100 kg? RB total mass 11600 kg.

Zenit-3SLBF (Zenit-3F) launch vehicle comprises Zenit-2SB80 No. 1-2007/1 and Fregat-SB.No. 2001.

The Zenit second stage reentered on Mar 19 over Los Angeles, with debris falling in Colorado and Utah.

The satellite operated until Nov 2016.


Elektro-L 
 

DateTimeEventOrbit  

2011 Jan 20  1229:01  Launch by Zenit-3SLBF KB LC45 
 1231:29  T+2:28 St 1 sep 
 1234:10  T+5:09 GO sep 
 1236:08 T+7:07 St 2 MECO 
 1237:38  St 2 sep  178 x 640 x 51.3 
 1344:26  MES-1   
 1352:40  MECO-1 
 1353:17  SBB sep 306 x 4440 x 50.4 
 1558:02  MES-2 
 1608:59  MECO-2 
   361 x 35914 x 48.6 
 2119:06  MES-3 
 2127:43  MECO-3 
 2128:13  Fregat sep 
   35413 x 35785 x 0.5 
2011 Jan 21  0028:19  MES-4 
 0029:39  MECO-4 
  Fregat disposal  34196 x 35781 x 0.5 
2011 Feb 20    1436.10 35785 x 35788 x 0.4 GEO 76.0E 
2014 Mar   Reduced operation 
2014 Nov 8    1436.10 35781 x 35791 x 0.5 GEO 75.9E 
2016 Jul 12    1436.10 35771 x 35801 x 1.8 GEO 75.8E 
2016 Jul 13    1436.10 35771 x 35801 x 1.8 GEO 75.8E 
2016 Jul 15    1444.19 35800 x 36089 x 1.8 drift 
2016 Sep 9   Move in at 14W 1436.11 35784 x 35780 x 1.9 GEO 14.1W 
2016 Oct 1    1436.16 35783 x 35792 x 1.9 GEO 14.3W 

Sunday, July 22, 2018

Blagovest 2

 2018-037A


Satellite 14F149. ISS Reshetnev satellite for high speed data transmission. Ekpress-2000 bus. The satellite will be operated by Voentelekom, the new military counterpart to GKPS.


 
 

DateTimeEventOrbit  

2018 Apr 18  2212  Launch by Proton  KB LC81/24 
  T+2:00 St 1 sep 
  St 2 burn 3:28 
  T+5:27 St 2 sep 
  T+5:31 St 3 burn 
  T+5:46 Fairing sep
 2221 T+9:40 Stage 3 sep 
 2223 T+11:16 Briz MES-1 
 2228 T+15:22 Briz MECO-1 
 2319 T+1:07:28 Briz MES-2 
 2337 T+1:25:10 Briz MECO-2  300 x 5000? 
2017 Aug 17  0142? T+3:28:57 Briz MES-3 
 0158 T+3:46:49? Briz MECO-3   
 0203 T+3:48:10 DTB sep  399 x 35698 x 48.6 
2018 Apr 19  0700 T+8:48:17 Briz MES-4 
 0713 T+9:01:36 Briz MECO-4   
 0714 T+9:02:46 Briz sep  
2018 Apr 27    1429.23 35556 x 35748 x 0.1 GEO 71.5E+1.7E/d 
2018 Jun 6    1436.11 35776 x 35797 x 0.0 GEO 80.0E 

Wednesday, July 4, 2018

Fermi

 2008-029A


FGST, the Fermi Gamma-ray Space Telescope, known as Gamma Ray Large Area Space Telescope until 2008 Aug 26. The NASA/DoE GLAST observes at GeV energies. Delta-class mission. The LAT uses a CsI calorimeter array with a plastic scintillator anticoincidence detector. Field of view is 20 percent of the sky; the telescope is over 30 times more sensitive than EGRET and has a spatial resolution of a few arcmin. The GBM is a successor to BATSE; smaller and less sensitive, it has a wider energy range and is optimised to detect bursts in the same direction as LAT, to provide full spectral coverage from the lowest GBM to the highest LAT energies.

Gamma Ray Large Area Space Telescope (GLAST) is the successor to Compton and covers the range from 10 MeV to 300 GeV. Resolution is 1 arcmin with field of view 20 percent of the sky and 4 percent energy resolution.

Launch by Delta 7920H-10. Mass 4277 kg. Orbit 565 x 565 x 28.5.

NASA-OSS is the sponsor and GSFC manages GLAST; LAT PI is Stanford, with Huntsville and MPE making the GBM.

The Orbital/Gilbert, formerly General Dynamics C4 Systems (Spectrum Astro) Leostar-3 (formerly SA-200) spacecraft is about 2.8m high 2.5m dia box with 2 panels. Mass 4627 kg of which 3097 kg is LAT. Prop is 358 kg. Launch by Delta 7920H-10 with a 6915 PAF adapter.


GLAST 
 

DateTimeEventOrbit  

2008 Jun 11 1605:00 Launch by Delta 7920H-10C  CC SLC17B 
  T+1:17 SRM 1-6 out 
  T+1:19 SRM 7-9 on 
  T+1:20 SRM 1-6 sep 
  T+2:35 SRM 7-9 out 
  T+2:39 SRM 7-9 sep 
  T+4:24 MECO 119 km Vi 6.316 km/s 
  T+4:33 Stage 1 sep 
  T+4:38 SES-1 
  T+4:43 Fairing sep
 1615:13 T+10:13 SECO-1  185 x 600 x 28.51 (PK) 
   189 x 588 x 28.51 (TLE) 
 1713:10 T+1:08:10 SES-2 
 1714:15 T+1:09:15 SECO-2  557 x 557 x 28.5 
 1720:02 T+1:15:02 Stage 2 sep 
 1741:42 T+1:36:42 SES-3 evasive 
 1741:48 T+1:36:48 SECO-3  213 x 552 x 25.51 
 1755:31 T+1:50:31 SES-4 depletion 
 1755:47 T+1:50:47 SECO-4  183 x 537 x 20.42 
 2058   95.69 542 x 561 x 25.6 
2012 Apr 3   TCM to avoid Kosmos-1805 
2018 Mar 22   Safemode, stuck solar array 
2018 Mar 28   Reactivate with fixed array 

Payload:

  • LAT Large Area Telescope 20 MeV-300 GeV CsI Calorimeter/tower module (25) (Stanford/Michelson)

  • GBM Gamma Burst Monitor 10 keV - 30 MeV (MSFC/Meegan)

The Planets: Photographs from the Archives of NASA

 https://welib.org/md5/a58dc86027de65d6e1f788cc15dade80

Dragon CRS-15

 2018-055B


Launch cargo 2697 kg (1712 kg cargo with packaging, 985 kg trunk). Ecostress is 550 kg, LEE is 435 kg with FRAM.

Last orbital flight for Block 4 core. Stage 2 performed a long duration (6h 20m) coast test. Deorbit over N Atlantic around 55W 32N.


CRS15 
 

DateTimeEventOrbit  

2018 Jun 29  0942:42  Launch by Falcon 9  CC SLC40 
  T+2:45 MECO 
  T+2:48 St 1 sep 
  T+2:56 St 2 burn 
 0951:13 T+8:31 SECO 
 0952:13 T+9:31 St 2 sep 
 0954:58 T+12:15 Solar array covers ejected 
 0954:58 T+12:16 Solar arrays deploy 
 1022? St 2 orbit adjust 
 1605 T+6h22 St 2 deorbit 400 m/s 
 1615? St 2 reentry over N Atlantic 
2018 Jul 2  0911  Depart 350m hold 
 0916? 250m hold point 
 0918  200m range 
 0945  At 30m hold  
 1023  At 10m capture point 
 1054  Grapple by SSRMS 
 1338  First stage capture on Harmony 
 1352  Second stage capture 

Payload:

  • ECOSTRESS, for JEM EF Site 10. ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station, with PHyTIR Prototype HyspIRI Thermal Infrared Radiometer. 40m res IR sensor with 1.6mu cloud band and five 8-12.5mu IR bands. Measures vegetation temperature. 490 kg. 1.85 x 0.80 x 0.93m box.

Tuesday, July 3, 2018

USA-172

 2003-048A


Launch by 2SLS/LMAO, the LMMS satellite DMSP S-20 was built by LMMS/East Windsor and had been stored at Sunnyvale. The satellite is 1960 kg full, probably about 1300 kg on orbit.

It was the first to carry a full 5D-3 set of instruments.

It is 4.4m long 1.22m dia with 6.6m x 2.7m solar panels. Two steel despin cables 4.6m long and 0.006m dia. 10 days after launch the OLS cover (1.0m x 0.4 x 0.4m) and the OLS cooler cover (0.30 x 0.02m) will be jettisoned.

Launch in Jan 2001 was cancelled due to problems with the DMSP IMU. Multiple delays led to an Oct 2003 launch. After launch the satellite is turned over to NPOESS and operated by NOAA's Office of Satellite Operations.

Cover name is USA-172.


DMSP 
 

DateTimeEventOrbit  

2000 Oct   Stacking at SLC-4W 
2001 Jan 20   T-3min scrub, GSE problem 
2001 Jan 21   T-28s scrub, valve sluggish 
2001 Jan 22   T-20h? scrub, fuel leak 
2001 Jan 23   T-12h? scrub, IMU problem 
2001 Oct?   Titan turbopump seals problem, delay 
2002 Jan   Hydrazine thruster problem, delay 
2002 Feb   Destack Titan 
2002 Jul   Restack Titan 
2002 Oct   SSMIS soldering problem, delay 
2002 Nov   Destack Titan 
2002 Aug   Restack 
2003 Oct 18  1617  Launch by Titan 23G-9 'Cindy Marie'  V SLC4W 
  T+2:30 St 1 MECO 
  T+2:30 St 2 TIG 
  T+3:35 Fairing sep
 1622 T+5:25 St 2 MECO 
 1623:29? T+6:29 St 2 sep   
 1623:36? T+6:36 RCS sep burn  -2603 x 891 x 98.6 
 1630:58? T+13:58 Star 37 burn 51s 
 1631:49? T+14:49 Star 37 burnout  102.00 849 x 856 x 98.8  
 1631:59? T+14:59 21s RCS burn 
 1633?  Despin weights 
2003 Oct 19    101.88 843 x 852 x 98.93 
2016 Mar   Secondary operational sat at 0410 LT

Sunday, July 1, 2018

Iridium 97

 2002-031A


Replenishment mission IS-2, two Iridiums (97 and 98) on a Rokot from Plesetsk.


Iridium SV97 
 

DateTimeEventOrbit  

2002 Jun 20  0933:46 Launch by 14A05 Rokot  PL LC133-3 
  T+2:12 St 2 vernier 
  T+2:16 St 1 sep 
  T+2:21 St 2 MES 
  T+3:07 Fairing 
  T+4:48 St 2 MECO 
  T+5:18 St 2 VECO 
 0938 T+5:19 St 2 sep 
  T+5:25 Briz 3L MES-1 
 0948 T+14:45 Briz MECO-1  92.8 156 x 668 x 86.59 
 1046:45 T+1:12:59 Briz MES-2 
 1047:08 T+1h? Briz MECO-2 
 1111:41 SV97 sep  658 x 669 x 86.6 
 1111:41 SV98 sep 
 1129:21 CCAM burn  238 x 659 x 86.6 
2002 Jun 26    98.02 658 x 669 x 86.6 
2002 Jul 13    98.19 669 x 675 x 86.6 
2002 Oct 5    98.19 667 x 676 x 86.6 
2004 Jun 30    98.19 669 x 673 x 86.6 
2007 Jan 5    98.19 670 x 673 x 86.6 
  Raised to operational orbit, replacing 36 
2007 Jan 9    100.40 773 x 781 x 86.40 
2007 Feb 27    100.40 776 x 778 x 86.40  
2018 Feb 15    100.40 776 x 778 x 86.40

GRACE

 2002-012A


The second ESSP mission is the Gravity Recovery and Climate Experiment (GRACE), a joint NASA/DLR mission. Two GRACE satellites in 450 x 450 km x 90 deg orbits will measure gravity field variations and maintain a 200 km distance. The two satellites, each with a mass of 475 kg, will be launched on a single Rokot rocket in 2001 Jul. The satellites will be built Astrium (Dornier)/Friedrichshafen, and the project is a joint effort between NASA and DLR, run by the U Tex. Austin and GFZ (GeoForschungsZentrum) in Potsdam with project management by JPL. It uses the Astrium FlexBus platform, like CHAMP.

3.1 x 0.77 x 1.9m, 475 kg each, stacked vertically on either side of an MSD (Multi Satellite Dispenser) aboard Briz-M. MSD is built by Krunichev and Astrium RST/Rostock. FM1 and FM2 nicknamed 'Tom' and 'Jerry' during integration.

Sats to be spaced 220 km apart. GRACE 1 swapped with G2 to become the trailing satellite in Dec 2005. Separation was reduced to 70-170 km for one month.


GRACE 1 
 

DateTimeEventOrbit  

2002 Mar 17  0921:27  Launch by Rokot  PL LC133/1 
  T+2:16 St 1 sep 
  T+3:05 Fairing sep
  T+5:19 St 2 sep 
  T+5:19 Bris MES-1 
 0936:28 T+15:01 Briz MECO-1  300 x 300 x 86.4? 
 1042 T+1:20:38 Briz MES-2 34s  300 x 500 x 86.4 
  T+1:20:54 Briz MECO-2 
 1047 T+1:25:38 GRACE sep  500 x 500 x 90 
  T+1:41 CCAM burn 
2005 Apr 6   Small inclination diff added 
2005 Dec 3   OTM-1 Grace-2 Orbit trim for swap burn at -203 km  
2005 Dec 10  0347 GR-2 pass GR-1 at 406m 
2005 Dec 12   GR-2 OTM-2, +58 km, 3.3 km/d 
2006 Jan 11   GR-2 OTM-3 at +170 km, 0.5 km/d  
2017 Dec   Out of prop 
2017 Dec 13   Last contact 
2018 Mar 10  0610? Reentered 

Payload:

  • GPS system

  • Microwave intersatellite link



2002-012B

The second ESSP mission is the Gravity Recovery and Climate Experiment (GRACE), a joint NASA/DLR mission. Two GRACE satellites in 450 x 450 km x 90 deg orbits will measure gravity field variations and maintain a 200 km distance. The two satellites, each with a mass of 475 kg, will be launched on a single Rokot rocket in 2001 Jul. The satellites will be built Astrium (Dornier)/Friedrichshafen, and the project is a joint effort between NASA and DLR, run by the U Tex. Austin and GFZ (GeoForschungsZentrum) in Potsdam with project management by JPL. It uses the Astrium FlexBus platform, like CHAMP.

3.1 x 0.77 x 1.9m, 475 kg each, stacked vertically on either side of an MSD (Multi Satellite Dispenser) aboard Briz-M. MSD is built by Krunichev and Astrium RST/Rostock. FM1 and FM2 nicknamed 'Tom' and 'Jerry' during integration.

Sats to be spaced 220 km apart. GRACE 1 swapped with G2 to become the trailing satellite in Dec 2005. Separation was reduced to 70-170 km for one month.


GRACE 1 
 

DateTimeEventOrbit  

2002 Mar 17  0921:27  Launch by Rokot  PL LC133/1 
  T+2:16 St 1 sep 
  T+3:05 Fairing 
  T+5:19 St 2 sep 
  T+5:19 Bris MES-1 
 0936:28 T+15:01 Briz MECO-1  300 x 300 x 86.4? 
 1042 T+1:20:38 Briz MES-2 34s  300 x 500 x 86.4 
  T+1:20:54 Briz MECO-2 
 1047 T+1:25:38 GRACE sep  500 x 500 x 90 
  T+1:41 CCAM burn 
2005 Apr 6   Small inclination diff added 
2005 Dec 3   OTM-1 Grace-2 Orbit trim for swap burn at -203 km  
2005 Dec 10  0347 GR-2 pass GR-1 at 406m 
2005 Dec 12   GR-2 OTM-2, +58 km, 3.3 km/d 
2006 Jan 11   GR-2 OTM-3 at +170 km, 0.5 km/d  
2017 Sep 3   Partial battery failure 
2017 Sep 8   Mission recovered 
2017 Oct 27?  End of science mission 
2017 Dec 24  0016?  Reentered 

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