1975-054A
The second V-75 Venus orbiter was 4V-1 No. 661, Venera-10. Prior to first TCM, closest approach was calculated as Oct 25 0831 with a 78000 km miss distance.
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| Venera-10 |
| |
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| Date | Time | Event | Orbit |
|---|
|
| 1975 Jun 14 | 0300:31 | Launch by Proton-K | KB |
| | 0309 | St 3 sep |
| | 0313? | Blok-D burn |
| | 0315? | MECO-1 |
| | 0422? | MES-2 |
| | 0430:05 | MECO-2, solar insertion |
| | 1338? | EL1:4 |
| 1975 Jun 19 | 1100? | Exit Earth sphere |
| 1975 Jun 21 | 1259:59 | TCM 14.4m/s |
| 1975 Jun 24? | | Solar orbit |
| 1975 Oct 18 | 0219:42 | TCM 9.7m/s |
| 1975 Oct 23 | 0720 | SA sep |
| | | TCM 0.242 km/s |
| 1975 Oct 25 | | VOI burn 0.976 km/s |
| 1975 Oct 25 | | Venus orbit insertion | 1400 x 114000 x 29.5 |
| | | VOI-2 | 1620 x 113900 x 29.5 |
| 1976 Apr 19 | | Turned off |
1975-054D
The Venera-10 SA landed at 291 00 long, 16 02 N. It survived for 65 minutes. Conditions at the landing site were 465 C, 92 bar.
Entry was 10.7? km/s at 22.5 deg, altitude 125 km.
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| Venera-10 SA |
| |
|
| Date | Time | Event | Orbit |
|---|
|
| 1975 Jun 14 | | Launch by Proton-K | KB |
| 1975 Oct 21 | 1700? | Enter Venus sphere |
| 1975 Oct 23 | 0720 | Sep from Venera-9 |
| 1975 Oct 25 | 0355:33 | Entry (0402 ERT) |
| 1975 Oct 25 | 0512:11 | Landed (0517:06 ERT) |
| 1975 Oct 25 | 0617 | End of transmissions, 65 min |