1963-044A
The first 3MV series probe, 3MV-1 No. 1, was launched on 1963 Nov 11. It was intended to be a Venus probe. Like its 2MV predecessors the previous year, it was stranded in Earth orbit. As a result of the criticism the USSR had faced of its previous ‘secret launches', the failed 3MV probe launch was announced, but not as a planetary probe. It was described as another satellite in the scientific Kosmos series, Kosmos-21, with the claim that the mission was successful. From now on, all failed missions stranded in transfer or parking orbits would be given a Kosmos cover name in an attempt to conceal their nature. 3MV-1 No. 1 carried a landing capsule.
| Kosmos-21 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1963 Nov 11 | 0623:35 | Launch by 8K78 | KB LC1 |
| 0628 | Blok-A sep | ||
| 0628 | Blok-I burn | ||
| 0632 | Blok-I sep | 182 x 216 x 64.8 | |
| 0650? | Control system issues | ||
| 0723? | BOZ burn | ||
| 0724? | Blok-L burn in wrong direction | ||
| 0745 | 88.75 192 x 232 x 64.8 | ||
| 1963 Nov 12 | 0128 | 88.50 180 x 219x 64.8 | |
| 1963 Nov 14 | 0700? | Reentered | |
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