1960-003B
The ARPA/USN Transit IB satellite was the first navigation satellite experiment to reach orbit. Launch was northeast along the Atlantic coast. Ablestar made the first in-orbit restart. The engine is 35.1 kN for 300s. The perigee was "considerably below the required value", but it is not clear which burn was substandard.
| Transit IB | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1960 Apr 13 | 1202 | Launch by Thor Ablestar | CC LC17 |
| T+2:32 Thor MECO | |||
| T+2:50 Thor sep | |||
| T+2:50 SES-1 4:20? | |||
| T+3:48 Fairing | |||
| 1209? | T+7:21 Ablestar SECO-1 370 km, 7.479 km | -500? x 750 x 51.3 | |
| 19 min coast | |||
| Plan 926 km 6.854 km/s | -860 x 930 | ||
| 1228 | T+26:40 Ablestar circ burn | ||
| 1228 | T+26:52 Ablestar sep | 373 x 748 x 51.28 | |
| 1230? | Subsatellite sep | ||
| 1960 Apr 20 | Yo-yo despin | ||
| 1960 Jul 12 | End of transmissions | ||
| 1967 Oct 5 | Reentered | ||
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