1981-044A
Nova 1 (NNS 30480) was launched in May 1981. It was a 165 kg, 1.2 m long, 0.5m diameter improved Transit with an orbit adjust engine and a DISCOS system with a 79m gravity boom. The system carried 27 kg of prop at launch; by May 28 there were 8 kg remaining. Altair was 24.6 kg inert with 276 kg of prop plus 6 kg of instrumentation and balance weights. System mass at Altair ignition and burnout were 480 and 205 kg implying an Altair sep mass of 315 and 39 kg. Predicted Isp was 288.7s and predicted dV was 2390 m/s.
| Nova 1 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1981 May 15 | 0607:17 | Launch by Scout B-1 | V SLC5 |
| T+1:23 St 1 burnout | |||
| T+1:26 St 1 sep | |||
| 0608:43 | T+1:26 St 2 burn | ||
| T+2:05 St 2 burnout | |||
| T+2:38 Fairing sep, 111 km | |||
| T+2:40 St 2 sep | |||
| T+2:40 St 3 burn | |||
| 0610:45 | T+3:28 St 3 burnout | ||
| T+9:49 spinup | |||
| 0615:39 | T+8:22 St 3 sep | ||
| 0615:44 | St 4 burn 33s | ||
| 0616:18 | T+9:02 St 4 burnout | 354 x 936 x 90.1 | |
| 0618:46 | Despin | ||
| 0621:21 | St 4 sep | ||
| 1981 May 18 | DISCOS activated | ||
| 1501 | Orbit adjust 132s | ||
| 1947 | Orbit adjust 420s | ||
| 2352 | 640 x 982 x 90.1 | ||
| 1981 May 19 | 0232 | Orbit adjust 360s 3.8kg | 919 x 1107 x 90.1 |
| 1981 May 21 | 0721 | TCM-4 360s 30kg | |
| 1981 May 24 | 0207 | TCM-5 360s 2.6kg | |
| 1981 May 24 | 994 x 1201 x 90.1 | ||
| 999 x 1197 x 90.1 | |||
| 1981 May 27 | 1818 | TCM-6 420s 2.8 kg | |
| 1981 May 29 | 109.16 1173 x 1202 x 90.0 | ||
| 1981 May 30 | 1413 | Prop venting | |
| 1845 | Prop venting | ||
| 1981 May 30 | 109.05 1174 x 1191 x 90.0 | ||
| 1981 Jun 1 | Prop venting | ||
| 1981 Jun 3 | TCM | ||
| 1981 Jun 3 | Prop depletion venting | ||
| 1981 Jun 3 | 108.94 1168 x 1187 x 90.0 | ||
| 1981 Jul 16 | 2339 | Switch to operational freq | |
| 1981 Jul 31 | 1530 | Declared usable | |
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