Friday, February 20, 2015

Chinasat 6B

 2007-031A


Chinasat 6B is a Thales Alenia Space satellite using the Spacebus 4000C2. Launch mass is 4600 kg.


ZX-6B 
 

DateTimeEventOrbit  

2007 Jul 4  1208  Launch by CZ-3B  Xichang 
 1234 T+26m Stage 3 sep  920.93 233 x 49721 x 24.2 
2007 Jul 15    1441.33 35789 x 35988 x 0.1 GEO 116.8E 
2007 Jul 18    1436.08 35782 x 35790 x 0.05 GEO 115.5E 
2014 Oct 6    1436.07 35773 x 35798 x 0.01 GEO 115.6E 

Thursday, February 19, 2015

USA-171

 2003-041A


Titan B-36/Centaur TC-20, with an 86' fairing, launched USA 171 on 2003 Sep 9. The azimuth implied a geostationary mission and the satellite is believed to be an Advanced Orion. The UN-registered orbit is typical of geostationary transfer. TC-20 was the last use of the RL10A-3-3A engines.


USA 171 
 

DateTimeEventOrbit  

2003 Sep 9  0429  Launch by Titan 4B Centaur 
  T+2:11 St 1 burn 
  T+2:26 SRMU sep 
  T+3:30 Fairing sep
  T+5:23 Titan St 1 sep 
  T+9:19 SECO 
  T+9:28 Titan St 2 sep 
 0438 T+9:49 MES-1 
 0441 T+12:00 MECO-1  165 x 180? x 28.5?  
 0450s T+21:52 MES-2 
 0456s T+27:05 MECO-2  630.2 165 x 35778 x 26.7 (UN) 
 0457? MES-2 (based on model TLE) 
 0503? MECO-2  630.2 165 x 35778 x 26.7 (UN) 
 1008s T+5:39:00? MES-3 
 1010s T+5:41:00? MECO-3 
 1018s T+5:49 TC-20 sep 
2008 Aug 11    1436.12 35589 x 35984 x 3.2 GEO 95.4E 
2009 Jul 2    1436.12 35626 x 35947 x 3.5 GEO 95.5E 
2011 Aug 12    1435.98 35579 x 35989 x 5.0 GEO 90.0E

Yaogan 11

 2010-047A


Launched with two picosats Zheda Pixing 1A-1, 1A-2: 3.5 kilogram with dimension 150mm x 150mm x 150mm and life span for 3 months

The second stage was deorbited without being cataloged. I assume that a large burn over the equator brought the stage down over the Antarctic on the first orbit; this would require about 300 m/s.

The Yaogan 11 satellite is 4th in the YW-2 optical series.


YW11 
 

DateTimeEventOrbit  

2010 Sep 22  0242:04 Launch by CZ-2D 
 0252?  Stage 2 sep  623 x 657 x 98.0 
 0252? ZP-1A sep 
 0258?  Stage 2 deorbit?  -440? x 650 x 98.0 
 0320?  Entry over S Pole? 
2010 Sep 29    97.53 624 x 657 x 98.0 
2010 Nov 28    97.53 622 x 658 x 98.0 
2010 Nov 28   Orbit raise  97.65 623 x 668 x 98.0 
2013 Jun 1    97.66 625 x 668 x 97.9 
2014 Jun 12    97.65 626 x 666 x 97.8 

Monday, February 16, 2015

Sirius 9

 2013-058A


SS/L1300,elliptical orbit satellite, launch mass 6003 kg.


Sirius FM6 
 

DateTimeEventOrbit  

2013 Oct 25  1808:54  Launch by Proton-M  KB LC200 
 1810:53  St 1 sep 
 1814:20  St 2 shutdown 
 1814:21  St 2 sep 
 1814:23  St 3 burn 
 1814:39  GO sep 
 1818:36  OB sep  -516 x 174 x 51.5  
 1820:40  MDU1 
 1825:06  MECO1  173 x 173 x 51.52 
 1916:27  MDU2 
 1934:12  MECO2  270 x 4999 x 50.33 
 2137:13  MDU3 
 2148:41  MECO3  278.06 327 x 15140 x 49.6 
 2149:31  DTB sep 
 2150:58  MDU4 
 2156:54  MECO4 430 x 35809 x 49.1 
   635.27 414 x 35787 x 49.17 
2013 Oct 26  0300:58  MDU5 
 0307:10  MECO5  4097 x 35790 x 23.15 
 0320:14  Sirius sep  708.44 4074 x 35818 x 23.16 
 0525:34  SOZ7 
 0633:34  SOZ8 
2013 Oct 27  1430? LAM1 849.20 10837 x 35816 x 11.5 
2013 Oct 29  0900? LAM2 1085.71 21418 x 35809 x 4.3 
2013 Oct 31  1512? LAM3 1395.95 34203 x 35790 x 0.4 
2013 Nov 1  1200?  LAM4 1433.76 35691 x 35790 x 0.1 GEO 122.4W+0.5E/d 
2013 Nov 7    1436.13 35783 x 35790 x 0.1 GEO 120.5W 
2013 Dec 4    1436.10 35775 x 35797 x 0.0 GEO 120.5W 

Nothing to Fear

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Aviation Week: June 23,2014

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November 20,2006

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