1978-068A
Comstar D3 (Comstar 203) was Comsat General's third Intelsat 4A class satellite. From 1978 to 1984 it was stationed at 87W; from 1984 to 1986 it was at 76W. The satellite was retired in 1986.
| Comstar D3 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1978 Jun 29 | 2224 | Launch by Atlas Centaur | |
| T+2:20 BECO | |||
| T+2:23 Booster sep | |||
| T+3:05 Insulation panels sep | |||
| T+4:07 SECO | |||
| T+4:09 Atlas sep | |||
| T+4:19 MES-1 | |||
| 2234 | T+10:20 MECO-1 189 km Vrel = 7.786 km/s | 189 x 1810? x 28? | |
| 2248 | T+24:43 MES-2 559 km Vrel = 7.372 | ||
| 2250 | T+26:19 MECO-2 627 km Vrel= 9.406 | ||
| 549 x 35919 x 21.83 (MOR) | |||
| 2252 | T+28:34 Centaur sep, 807 km | ||
| 1978 Jun 30 | 0600? | Apo 1 | |
| 1600? | Apo 2 | ||
| 1978 Jul 1 | 0300? | Apo 3 | |
| 1300? | Apo 4 | ||
| 2330? | Apo 5 | ||
| 1978 Jul 1 | 2237 | AKM firing | |
| 1978 Jul 19 | 1428.11 35474 x 35786 x 0.1 GEO 157.0W+2.0E | ||
| 1978 Aug 1 | 1427.99 35470 x 35783 x 0.1 GEO 117.5W+2.0E | ||
| 1978 Aug 24 | mv in | 1436.17 35782 x 35793 x 0.1 GEO 86.9W | |
| 1979 Jan 4 | 1436.12 35780 x 35793 x 0.0 GEO 87.0W | ||
| 1980 Apr 30 | 1436.10 35783 x 35790 x 0.1 GEO 86.9W | ||
| 1982 Mar 23 | 1436.11 35783 x 35790 x 0.0 GEO 87.0W | ||
| 1984 Jan 1 | 1436.13 35782 x 35791 x 0.0 GEO 87.0W | ||
| 1984 Oct 28 | 1436.10 35783 x 35790 x 0.0 GEO 87.0W | ||
| 1984 Oct 31 | mv out of GEO | ||
| 1984 Nov 2 | mv out | 1431.76 35617 x 35785 x 0.1 GEO 83.6W+1.1E | |
| 1984 Nov 23 | mv in | 1436.13 35785 x 35789 x 0.2 GEO 75.9W | |
| 1985 Sep | Ownership to AT&T; | GEO 76W | |
| 1986 Mar 5 | 1436.10 35784 x 35788 x 0.0 GEO 76.0W | ||
| 1986 May 12 | 1436.15 35783 x 35792 x 0.2 GEO 76.0W | ||
| 1986 May 13 | mv out | 1438.11 35809 x 35842 x 0.2 GEO 76.0W+0.5W | |
| 1986 May 21 | orbit raise | 1451.69 36001 x 36181 x 0.2 | |
| 1988 Jun 4 | 1451.70 36006 x 36177 x 2.1 | ||
| 1992 Jul 10 | 1451.67 35991 x 36189 x 5.9 | ||
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