Sunday, August 28, 2016

Sentinel 1A

 2014-016A


European Radar Observatory.

Launch 2010. Successor to Envisat. Thales Alenia satellite using Prisma bus with Astrium/Friedrichshafen radar imager. Res. 5 to 8m, 240 km swath. Mass 2300 kg full with 130 kg of mono hydrazine. Size 3.9 x 2.6 x 2.5m stowed. ESOC SOC with Frascati POC.

Box + 2 10m solar panels + 13.3 x 0.82m SAR antenna.

693 km SSO.


Sentinel 
 

DateTimeEventOrbit  

2014 Apr 3  2102:26 Launch by Soyuz-ST-A/Fregat  CSG  
  T+1:58 Strapons sep
  T+3:29 Fairing sep
  T+4:47 Blok A sep 
 2111:12 T+8:46 St 3 sep  -3147 x 668 x 91.15  
 2112:12 T+9:46 Fregat MES-1 10:18 
 2122:30 T+20:04 Fregat MECO, coast 39 min  687 x 687 x 98.19  
 2125:50 T+23:24 Fregat sep 
 2127? Blok I reentry over Canadian Arctic 
 2201:41 T+59:15 Fregat MES-2 1:21 
 2203:02 T+1:00:36 Fregat MECO-2 
 2203:12 T+1:00:46 Fregat deorbit?  -250 x 708 x 102.80  
 2236? Fregat entry over S Atlantic? 
2014 Apr 5  0514  DAM to avoid ACRIMSAT 
2016 Aug 23   693 x 695 x 104

Payload:

  • C-band SAR 13.3x0.82m

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October 1,2026

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