1981-106A
4V-1 No. 760 (Venera-13) was launched in Oct 1981 as the first of two Venera-81 probes.
| Venera-13 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1981 Oct 30 | 0604 | Launch by Proton-K | KB |
| T+2m St 1 sep | |||
| T+5m St 2 sep | |||
| T+5m GO sep | |||
| 0613 | T+9m St 3 MECO | ||
| 0617? | Blok-D burn 1 | ||
| 0619? | Blok-D MECO-1 | ||
| 0724? | Blok-D burn | ||
| 0727 | Solar orbit injection | ||
| 0732? | Blok-D cutoff, solar orbit | 180 x -61780? | |
| 1520 | Pass EL1:4 | ||
| 1981 Nov 3 | 0845? | Pass L1 distance | |
| 1981 Nov 10 | 0900 | TCM 2.60m/s | |
| 1982 Feb 21 | 0430 | TCM 5.16m/s | |
| 1982 Feb 27 | 0251 | SA sep | |
| 0253 | Divert burn 224.35m/s | ||
| 1982 Feb 26 | 1540 | Enter Venus sphere | |
| 1982 Mar 1 | 0351:51 | Flyby | |
| 1982 Mar 3 | 1600? | Exit Venus sphere | |
| 1982 Jun 10 | 0400 | Vega test burn 192m/s | 107 x 168 Mkm x 5 deg |
| 1983 Jan | 0.72 x 1.13 AU x 5.4 deg | ||
1981-106D
Venera-13 landed at 7 30 S 303 05 W. At the landing site the temperature was 738 K and the pressure was 89.5 bar.
| Venera-13 SA | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1981 Oct 30 | Launch | ||
| 1982 Feb 27 | 0251 | Sep from Venera-13 | |
| 1982 Mar 1 | 0251 | Entry | |
| 0255:00 | Entry -18.7 deg 11.2 km/s | ||
| 0255:40 | Entry 125.0 km 11.194km/s -18.68 deg at 305.0 -6.5 | -427 x -44046 x 135? | |
| Braking at 65 km | |||
| 0256:16 | Parachute deployed | ||
| 0309 | Parachute sep | |
| 0357:21 | Landed -7.5, 303 05 | ||
| 0358 | Soil sampling | ||
| 0604 | end of ops | ||
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