Friday, June 18, 1999

NATO 2B

  1971-009A


NATO IIB was launched in 1971 to supplement NATO IIA. Initially stationed at 26W over the Atlantic, it was stationed at 105W from the mid 1970s until 1983, when it moved slightly to 110W, stored in the stable location in the `western pit'.


NATO IIB 
 

DateTimeEventOrbit  

1971 Feb 3  0141:40  Launch by Delta M CK LC17 
  Azimuth 100 deg 
  SRM 1-3 sep 
 0145:19 T+3:39 MECO 
  St 1 sep 
 0145:22? SES-1 6:14.6 
 0151:36? SECO-1 
 0206? St 2 sep  -186 x 286 x 28.6 
 0207? TES 43.5s 
 0208? TECO 
 0209? St 3 sep 665.05 283 x 37437 x 25.9 (TLE) 
   673.90 273 x 37712 x 25.9 (MOR Post) 
1971 Feb 5  0456  AKM 20.1s over 135E, 1E/d  34493 x 37053 x 0.0 
1971 Feb 10 s  Over Camp Parks, Calif. 
1971 Mar   AOR  GEO 26W 
1975 Jun   alter location? 
1975 Dec    GEO 18W 
1976 Aug 19  Last TWTA failed 
1976 Oct 31  On-orbit tests, mv in  GEO 107W 
1977 Jan 25    1436.11 35777 x 35795 x 2.4 GEO 105.1W 
1980 Dec 14    1436.07 35759 x 35813 x 5.0 GEO 105.1W 
1981 Jun    GEO 105W+0.05E 5.4 
1982 Oct    GEO 105W 
1982 Nov 27    1436.09 35762 x 35811 x 6.3 GEO 105.6W 
1982 Dec?   Move to 110W 
1983 Feb 18    1436.09 35766 x 35806 x 6.6 GEO 110.2W 
1983 May 5    1436.04 35769 x 35801 x 6.7 GEO 109.9W 
1983 May   Begin drift 
1983 Oct 25    1435.95 35767 x 35801 x 7.1 GEO 105.0W 
1983 Dec 4   Move in  1436.01 35755 x 35814 x 7.0 GEO 104.9W 
1984 Jun 1    1436.10 35779 x 35793 x 7.4 GEO 105.0W+0.0E 
1984 Oct 11    1436.21 35780 x 35797 x 7.6 GEO 101.9W 
1984 Dec 30    1436.22 35776 x 35801 x 7.7 GEO 104.3W 
1989 Mar 14    1436.1 35769 x 35803 x 10.9 GEO 104.9W 
1983 Nov 2    GEO 104.8W +0.02/d 
1994 Nov 7    1436.09 35783 x 35789 x 14.3 GEO 105.5W 
1998 Aug 4    1436.07 35772 x 35799 x 15.2 GEO 105.2W 

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