1970-025A
Nimbus IV carried a new set of experiments, Launch was on 1970 Apr 8, again by Thorad Agena D. Nimbus IV achieved a 1095 x 1100 km x 99.9 deg orbit and operated for over ten years.
| Nimbus 4 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1970 Apr 8 | 0817:56 | Launch by Thorad Agena D | |
| T+0:39 SRM 1-3 out | |||
| T+1:42 SRM 1-3 sep | |||
| 0820 | T+3:44 Thorad MECO | ||
| T+4:19 Agena MES-1, 235s | |||
| T+4:28 Fairing | |||
| 0826:09 | T+8:13 Agena MECO-1 | 158 x 1097 x 99.91 | |
| 0912:06 | T+54:10 Agena MES-2, 5s 1003 m/s | ||
| 0912:11 | T+54:15 Agena MECO-2 | ||
| 0916:19 | T+58:23 Agena sep | ||
| 0916:30? | Agena retro-1 | ||
| 1002 | T+1:44:00 TOPO eject | ||
| 1002? | Agena retro-2 | ||
| 1970 Apr 8 | 1092 x 1101 x 99.91 | ||
| 1977 Oct 18 | Initial retirement | ||
| 1980 Sep 30 | End of ops | ||
| 1982 Dec | Last tx | ||
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