Monday, October 15, 2012

Galileo IOV-1/2

 2011-060A


Four IOV phase satellites to begin constellation of 30. Size 2.7 x 1.1 x 1.2m, 13m span, mass 700 kg, 10 nav signals.

IOV satellites by Astrium/TAS, integration at TAS/Roma.

Sats 1 and 2 named Tiis (Thijs) and Natalia, contestant winners. Tiis after Thijs Paelman (2000-) of Belgium. Natalia Nikolaeva (2002-) of Bulgaria.

Launch of IOV-PFM and IOV-FM2 on the IOV-M1 launch with Soyuz ST-B (2-1b, 372RN21B) No. B15000-001 (no. 8?) (flight VS01) and Fregat-MT No. 7 (No. 1030).

Fregat-MT has an extra 900 kg of propellant.

Spacecraft control in Germany, nav payload control in Italy.


IOV 
 

DateTimeEventOrbit  

2011 Oct 21  1030:26 Launch by Soyuz ST-B VS01  CSG ELS 
  T+1:58 BVGD sep 
  T+3:38 GO sep 
 1035 T+4:48 Blok A sep 
 1039:50 T+9:24 St 3 sep 170 km 7.310km/s -1250? x 173  
 1040:50 T+10:24 Fregat MES-1 
  T+14:04 Perigee positive?  150? x 230?  
 1053:57 T+23:31 MECO-1  720 x 23200? x 55.0? 
 1410:31 T+3:40:05 MES-2 
 1414:53 T+3:44:27 MECO-2 
 1419 T+3:49:27 IOV 1/2 sep 
 1455?  Fregat depletion 
2011 Dec 10  GSAT0101 (PFM) transmits E1 
2011 Dec 14  GSAT0101 (PFM) transmits E5 
2012 Jan 16  0218  GSAT0102 (FM2) began transmitting L1/E1 

Payload:

  • Rb atomic clocks, 2 (10ns/day)

  • PHM passive hydrogen maser clocks, 2, 1ns/day stability

  • Ten nav channel signals, nav signal generator

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