Monday, February 26, 2001

Skynet 1A

  1969-101A


The Skynet 1 program was also called IDCSP/Augmentation and was considered to be related to the USAF's DSCS program. Skynet was sponsored by the UK Ministry of Defence in association with the Ministry of Technology. The satellite was built by Philco. SAMSO helped manage the program. USAF checked out the satellite on orbit and then transferred control to the RAF at Oakhangar.


Skynet 1A 
 

DateTimeEventOrbit  

1969 Nov 22  0037:00 Launch by Delta M  CK LC17A 
  T+0:39 SRM 1-3 out 
  T+1:10 SRM 1-3 sep 
 0040 T+3:38 MECO 
 0040 T+3:43 St 1 sep 
 0040 T+3:43 SES-1 6:17 
 0040 T+3:50 Fairing  
 0047:00 T+10:01 SECO-1 367 km 7.1667 km/s (rel?)  -1200? x 366  
 0059:54 T+22:52 St 2 sep 
 0100:07 T+23:06 TES 41.6s 339 km 
 0100:51 T+23:51 TECO 314 km 10.154 km/s 
 0102:32 T+25:32 St 3 sep  217 x 36629 x 27.2  
   655.3 258 x 37088 x 27.6 (MOR Post) 
1969 Nov 22  0530?  Apo 1 100E 
 1630? Apo 2 65W 
1969 Nov 23  0330?  Apo 3 130E 
 1430? Apo 4 35W 
1969 Nov 24  0130? Apo 5 160E 
1969 Nov 24  0139  Star 17A (TE-M-521) AKM burn 
1969 Nov    1407.8 34702 x 35838 x 2.4 
1969 Nov 25   (From Post MOR)  1431.01 34695 x 35754 x 2.44 
1969 Nov 25    1431.01 34695 x 36680 x 2.44 (TR-1022, MORP) 1.32E/d  
1969 Nov 26   TCM to 7.5E/d 
1969 Nov   1436.0 35799 x 35788 x 2.2 
1969 Dec    GEO 49E 
1970 Jan 7   Move into final orbit  GEO 39E 
1970 Jan 14    44E 
1970 Jan 19    1436.46 35791 x 35796 x 2.3 GEO 41.0E 
1970 Jan 30   Turned over to UK from SAMSO 
1970 Jun 15   At 50E, reverse drift to W 
1970 Aug 22   At 45E, begin E drift 
1970 Nov   At 50E, reverse drift 
1971 Jan   At 45E, begin E drift 
1971 May   At 50E, reverse drift 
1971 Jun   At 47E, begin E drift 
1972 Mar   End of regular operations 
1975 Dec 30    GEO 55E (Morgan) 
1977 Jun 24    1436.09 35697 x 35876 x 4.0 GEO 107.2W 
1980 Apr 5    1436.0 35897 x 35681 x 5.7 GEO 106.5W 
1980 Sep    1434.5 36827 x 34689 x 7.1 GEO 109W dr 
1989 Dec 27    1436.08 35699 x 35873 x 11.7 GEO 107.3W 
1990 Aug 31    1436.03 35686 x 35884 x 12.1 GEO 104.5W 
1992 Sep 9    1436.05 35681 x 35890 x 13.2 GEO 106.9W 
1994 Aug 26    1436.12 35680 x 35894 x 14.1 GEO 107.0W 
1996 Jul 25    1436.12 35686 x 35887 x 14.6 GEO 104.2W+0.01E 
1998 Jul 29    1436.08 35696 x 35876 x 14.7 GEO 103.4W 

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