Friday, February 15, 2013

Pleiades 1A

 2011-076F


Pleiades HR-1, or 1a. CNES high res optical imaging satellite. EADS Astrium-Toulouse contractor, with Alcatel imaging sensors. Mass 1000 kg. Resolution 70 cm.

Launch by Soyuz 374RN21A (ST-A) from Kourou. Stage 3 is 374BL02A No. B15000-004. Packet is 374BL01A. Fairing was 81KS No. Yu15000-004.

Hex-cone + 3 panels. 0.65m aperture telescope for 0.50m resolution in a 700 km orbit. 970 kg, About 4m high 2m dia 8m span? ORFEO (Optical and Radar Federated Earth Observation) project.

Launch with Elisa 1-4 and SSOT/Fasat-Charlie on Soyuz ST-A No. 2 (used Blok-I for No. 4)

1400 kg satellites, 791 kg dispenser and adapter. SSOT is 117 kg, ELISA are 4 x 120 kg, PL is 970 so total 1567 kg - implies 624 kg dispenser/adapter.


Pleiades 1 
 

DateTimeEventOrbit  

2011 Dec 17  0203:48 Launch by Soyuz VS02/Fregat 1021  CSG ELS 
  T+1:58 BVGD sep 
  T+3:29 Fairing sep
 0208 T+4:47 Blok A sep 
  Blok-I MECO 
 0212 T+8:47 Blok-I sep  -1165 x 236  
 0213 T+9:47 Fregat MES-1 
 0217 T+13:27 MECO-1  180? x 695 
 0245 T+41:56 MES-2  
 0249 T+46:05 MECO-2 
 0258 T+0:55 PL1 sep 695 x 695 x 98 
 0302:53 T+0:59:05 EL1-4 sep 700 x 700 
 0407 T+2:03:25 MES-3 
 0407 T+2:03:37 MECO-3  610? x 700? x 98 
 0512 T+3:08:37 MES-4 
 0512 T+3:08:47 MECO-4 
 0515 T+3:12:07 ASAP-S+937S sep 
 0534 T+3:26:00 SSOT sep 610 x 610 
 0604? MES-5 
 0605? MECO-5 
 0632?Fregat reentry  

Payload:

  • Imaging telescope

  • Imager, 0.50m res, 20 km swath

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