Friday, November 6, 2015

Beidou 21

 2015-019A


The satellite was also called Beidou I-1S. The first Beidou new-generation satellite flew on a new launch vehicle variant, a CZ-3C with a Yuanzheng-1 (Expedition) upper stage similar to Russia's Fregat. YZ-1 was about 3590 kg full 2075 kg at end of life, according to estimates in Novosti Kosmonavtiki.


BDW17 
 

DateTimeEventOrbit  

2015 Mar 30  1352  Launch by CZ-3C  XSC 
  T+2:25 St 1 MECO 
  T+2:26 St 1 sep 
  T+4:19 Fairing sep
  T+5:28 St 2 MECO
  T+5:33 St 2 VECO 
  T+5:34 St 2 sep, St 3 MES 
 1402 T+10:51 MECO-1 
 1414 T+22:03 MES2  
 1416 T+24:35 MECO2 
 1418 T+26:15? St 3 Sep  438.83 194 x 25307 x 54.9  
 1418? YZ-1 burn 1 
  YZ-1 cutoff   
 1930?  YZ-1 burn 2 
  YZ-1 cutoff 
 1934  T+5:42 Beidou sep  1461.8 35797 x 36781 x 55.0  
 2010? YZ-1 burn 3 -80m/s?  
  YZ-1 cutoff  27000? x 36000?  
2015 Mar 31 0630?  YZ-1 burn 4 
  YZ-1 cutoff  5175.3 27018 x 157986 x 41.2 
2015 Apr 1  0823?  YZ-1 pass EL1:4 
2015 Apr 2    1461.84 35797 x 36781 x 55.0  
2015 Apr 28   braking  1435.74 35605 x 35953 x 55.0 
2015 Jun 5    1435.89 35598 x 35966 x 55.0 GSO 84-112E 
2015 Jun 17    1435.93 35597 x 35968 x 54.9 

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October 1,2026

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