1982-031A
Insat 1A was built by Ford Aerospace for ISRO. It was launched on 1982 Apr 10 by Delta 3910/PAM-D. After launch, the solar panel and the C-band antenna did not deploy. After 12 days the C-band system was activated but the solar panel problem affected many of the systems; the VHRR imager failed in August, and attitude control was lost in September.
| Insat 1A | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1982 Apr 10 | 0647 | Launch by Delta 3910/PAM-D | CC LC17 |
| T+0:57 SRM 1-6 off | |||
| T+1:02 SRM 6-9 on | |||
| T+1:10 SRM 1-3 sep | |||
| T+1:24 SRM 4-6 sep | |||
| T+1:59 SRM 6-9 off | |||
| T+2:05 SRM 6-9 sep | |||
| T+3:43 MECO | |||
| T+3:45 St 1 sep | |||
| T+3:51 SES-1 5:04 | |||
| T+4:01 Fairing | |||
| 0655 | T+8:55 SECO-1 | ||
| T+18:45 spinup | |||
| 0705 | T+18:47 St 2 sep | -579? x 228 x 28.1 | |
| 0706 | T+19:26 TES 86s | ||
| 0707 | T+20:52 TECO at 17W 0N | ||
| 0717 | Stage 2 reentry over 17E 18S? | ||
| 0727 | T+40? PAM sep (20 min after burnout) | ||
| 1982 Apr 10 | 1230 | 631.33 223 x 35776 x 28.1 | |
| 1982 Apr 11 | LAM-1 Apogee burn | ||
| 1982 Apr 12 | LAM-2 burn | ||
| 1982 Apr 12 | 1416.73 35031 x 35781 x 0.5 GEO 75.8E+4.9E | ||
| Solar sail failed to deploy | |||
| 1982 Apr 15 | LAM | ||
| 1982 Apr 22 | C-band deployed | ||
| 1982 May 4 | 1436.08 35394 x 36178 x 0.5 GEO 73.5E | ||
| 1982 Jun 25 | 1436.03 35393 x 36176 x 0.4 GEO 72.6E | ||
| 1982 Jun 25 | On station | GEO 72.4E | |
| 1982 Aug 13 | VHRR failed | ||
| 1982 Sep 4 | Attitude control lost | ||
| 1982 Sep 6 | Decommissioned | ||
| 1983 Dec 29 | Drifting | 1434 GEO 89Wdr | |
| 1984 May 3 | 1434.14 35561 x 35935 x 0.1 GEO 19.3W+0.5E | ||
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