Tuesday, May 27, 2008

JCSAT-5

 1997-075A


Japan Satellite Systems' JCSAT 5 (JCSAT 1B) is an HS-601, to be at 150E. Launch by Ariane in Dec 1997. JCSAT 5 was launched atop the Cyclade adapter covering the Equator-S science satellite. Provide communication services for Japan and the Asia-Pacific region.

Mass is 2982 kg launch, 1819 kg BOL, 1308 kg dry. Size is 3.80 x 2.80 x 4.30 m with 26.2 m span.

Info on LAM burns provided by Jun Takei of the JCSAT control center in Yokohama.

In 2005 JCSAT 5/1B had thruster problems which pushed its pointing off-target, and it was replaced by JCSAT 4.


JCSAT 5 
 

DateTimeEventOrbit  

1997 Dec 2  2252  Launch by Ariane 44P  CSG 
 2255  T+3:35 Stage 2 burn 
 2256  T+4:38 Fairing 01 sep 
 2257  T+5:49 Stage 3 burn 
 2310  T+18:51 Stage 3 cutoff 
 2312  T+20:59 JCSAT 5 sep
1997 Dec 4    630.68 214 x 35751 x 4.0 
1997 Dec 4  0114:38  LAM 1 2279s 
1997 Dec 5  0115:14  LAM 2 2656s 
1997 Dec 7  0120:28  LAM 3 1945s 
1997 Dec 7  0252:54  LAM 4 54s 
1997 Dec 7  1431.79 35622 x 35781 x 0.1 GEO 138.3E+1.0E 
1997 Dec 8  0045:25  LAM 5 86s 
1997 Dec 9    1436.86 35756 x 35808 x 0.1 GEO 139.4E 
1998 Jan 3    1436.28 35784 x 35795 x 0.1 GEO 139.4E 
1998 Jan   At 150E replace JCSAT 4 
1998 Jan 21   mv in  1436.15 35782 x 35793 x 0.0 GEO 150.0E 
1998 Feb 2    1436.12 35784 x 35790 x 0.0 GEO 150.0E 
1999 Oct 15    1436.12 35780 x 35793 x 0.0 GEO 150.0E 
2005 Jan 17   Thruster anomaly, off line for a few days 
2005 Jul   Thruster problem recurs 
2006 Feb 3    1436.12 35783 x 35790 x 0.0 GEO 149.9E 
2006 Feb 5   Move out of GEO 
2006 Mar 1   Move in at 128E 
2006 Aug 3    1436.18 35784 x 35792 x 0.0 GEO 128.0E 

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