Saturday, August 7, 2010

Beidou 7

 2010-001A


di san ke beidou daohang weixing, third Beidou navigation satellite, or COMPASS G1.


DW3 
 

DateTimeEventOrbit  

2010 Jan 16  1612  Launch by CZ-3C 
  T+2:07? Booster sep 
  T+2:27? St 1 sep 
  T+3:52? Fairing sep
  T+5:32? St 2 sep 
  T+5:32? St 3 MES-1 
 1622  T+10:31? MECO-1  210? x 450? x 28.5? 
 1633? T+21:21? MES-2 
 1636? T+24:20? MECO-2  
 1638? Stage 3 sep 
   627.4 194 x 35615 x 20.5 
2010 Jan 22?   AKM burn
2010 Jan 23    1436.08 35600 x 35972 x 1.8 GEO 160.6E 

Monday, August 2, 2010

Ziyuan 2C

 2004-044A


A JB-3 digital imaging satellite was launched in Nov 2004 as ZY-2C.

The satellite maintained a 485 x 500 km orbit until Jun 2008, when it began a 5 month phase of slow orbit raising followed by natural decay.


ZY-2C 
 

DateTimeEventOrbit  

2004 Nov 6 0310  Launch by CZ-4B  TYSC 
  T+2:33 Stage 1 MECO 
  T+2:34 Stage 1 sep 
  T+2:54 Fairing 
  T+4:37 St 2 MECO 
  T+4:47 St 2 VECO 
  T+4:48 St 2 sep 
  T+4:48 St 3 burn 
 0321 T+11:18? St 3 MECO 
 0322  T+12:28? Stage 3 sep  472 x 483 x 97.3  
  Stage 3 depletion  397 x 580 x 97.2 
2004 Nov 16    94.15 471 x 484 x 97.3 
2004 Nov 21   Orbit raise 
2004 Nov 28    94.43 478 x 503 x 97.3 
2006 Jul 14    94.42 484 x 496 x 97.5 
  Small orbit trim 
2006 Jul 15    94.45 485 x 497 x 97.5 
2006 Aug 8    94.44 484 x 498 x 97.5 
2008 Jun 17    94.58 497 x 499 x 97.4 1059LTDN 
2008 Jun 25?  Begin orbit raise 
2008 Jun 30    94.64 497 x 504 x 97.4 
2008 Jul 27    94.78 502 x 514 x 97.4 
2008 Aug 24    94.96 510 x 522 x 97.4 
2008 Sep 7    95.05 516 x 525 x 97.4 
2008 Sep 10    95.29 521 x 543 x 97.4 
2008 Sep 11    95.40 521 x 554 x 97.4 
2008 Sep 17    95.85 530 x 588 x 97.4 
2008 Oct 1    95.97 537 x 594 x 97.4 
2008 Oct 16    96.13 544 x 601 x 97.4 
2008 Nov 1    96.28 552 x 609 x 97.4 
2008 Nov 18    96.43 558 x 616 x 97.4 

November 20,2006

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