Tuesday, October 16, 2012

B-Sat 1B

 1998-024B


Hughes HS-376 satellite for BSAT/Japan. Broadcasting Satellite System Corp. Tokyo. Launch by Ar44P. Colocated with 1a at 110E. Mass 1230 kg full, 708 kg BOL, 500 kg dry. Size is 2.2m dia, 3.2m high, 7.8m high deployed.


BSAT 1b 
 

DateTimeEventOrbit  

1998 Apr 28  2253  Launch by Ariane 44P 
 2254  T+1:13 PAP sep 
 2256  T+3:31 Stage 1 sep 
 2256  T+3:34 Stage 2 burn 
 2257  T+4:33 Fairing sep 
 2258  T+5:42 Stage 2 sep 
 2258  T+5:47 Stage 3 burn 
 2311  T+18:38 Stage 3 cutoff 
 2314  T+21:13 Nilesat sep 
 2316  T+23:46 Spelda top sep 
 2318  T+25:39 BSAT sep 
 2318  T+25:41 H10 avoidance burn  
1998 Apr 28    630.90 216 x 35760 x 7.0 
1998 May 3  0307 Star 30 burn 
1998 May 4    1418.33 35115 x 35760 x 0.7 GEO 113.7E+4.5E 
1998 May 25    1436.08 35769x 35803 x 0.2 GEO 122.1E 
1998 Jun 4    1436.15 35770 x 35804 x 0.1 GEO 122.1E 
1998 Jun 5   move out 
1998 Aug 1   move in  1436.07 35785 x 35786 x 0.0 GEO 110.0E 
1998 Aug 26    1436.19 35787 x 35789 x 0.0 GEO 109.9E 
1999 Oct 15    1436.15 35786 x 35788 x 0.0 GEO 110.0E 
2006 Aug 3    1436.15 35781 x 35793 x 1.2 GEO 109.7E 
2007 Jul 4    1436.20 35780 x 35796 x 2.0 GEO 109.4E 

Monday, October 15, 2012

Maclean’s: April 23,2012

 https://welib.org/md5/74f2ce79e84bccf00ca2abad2ef66642

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

November 20,2006

  https://en.wikipedia.org/wiki/Association_football