1973-052A
Mars-6 (3MP No. 50P) successfully delivered its lander to a Mars impact trajectory and flew past the planet in Mar 1974.
| Mars-6 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1973 Aug 5 | 1745:48 | Launch by Proton-K | KB |
| 1748 | Stage 1 sep | ||
| 1751 | Stage 2 sep | ||
| 1755 | Stage 3 MECO | ||
| 1755 | Stage 3 sep | ||
| 1759 | Blok D MES-1 | ||
| 1801 | Blok-D MECO-1 | ||
| 1908 | Blok-D burn 2, solar orbit | ||
| 1914? | Blok-D MECO-2 | ||
| 1914? | Blok-D sep | ||
| 1973 Aug 13 | TCM 5.3m/s | ||
| 1973 Oct | Telemetry system failed | ||
| 1974 Feb 24 | TCM-2 | 2.5m/s | |
| 1974 Mar 7 | 1520? | Enter Mars sphere | |
| 1974 Mar 12 | 0450 | SA sep at 46000 km | |
| 0900? | Flyby at 1600 km | ||
| 1974 Mar 17 | 0150? | Depart Mars sphere | |
The lander impacted Mars at 23.9S 19.5 long. at local time 1530, or 0858 UTC.
A delta-V of -116 m/s along the velocity vector is consistent with reducing periapsis from 1600 km to below the surface.
Entry was at 5.60 km/s at 14 deg.
Landed at 23 09S 19 05W (nominal). LT = 12:40.
| Mars-6 SA | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1974 Mar 7 | 1520? | Enter Mars sphere | |
| 1974 Mar 12 | 0449:16 | SA sep, 46000 km | |
| 0505? | Retrofire | ||
| 0506? | Retro and truss sep | |
| 0826:27 | Begin velocity data, 4800 km alt | ||
| 0853:40 | LOS entry, 75 km (ERT 0906:20, LT=12:40) | ||
| 0854:40 | AOS 29 km | ||
| Drogue motor and drogue sep | |||
| 0855:55 | Main parachute deployed | ||
| Aeroshell sep | |||
| Main parachute sep | |||
| 0858:24 | Impact (0911:04 ERT last signal) | ||
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