1974-021A
Kosmos-640 was an April polar ice observation flight at 81.32 degrees using the Zenit-2M type satellite. The Kettering group detected PDM telemetry and a TG beacon.
| Kosmos-640 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1974 Apr 11 | 1223 | Launch by 11A57 | NIIP-53 |
| 1227 | Blok-I burn | ||
| 1231 | Blok-I sep | ||
| 1348 | 88.74 198 x 225 x 81.3 | ||
| 1974 Apr 12 | 0930 | 88.78 201 x 225 x 81.32 (RAE) | |
| 1974 Apr 19 | 0211 | 88.55 192 x 213 x 81.3 | |
| 1974 Apr 23 | 0502 | 88.39 186 x 203 x 81.3 | |
| 1974 Apr 23 | 0754? | Retrofire | |
| 0804? | PO sep | ||
| 0810? | Entry | ||
| 0823? | Landed after 11.85d | ||
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