Mission type | Mars orbiter[1] |
---|---|
Operator | Soviet space program |
COSPAR ID | 1973-049A |
SATCAT no. | 6754 |
Mission duration | 7 months, 3 days |
Spacecraft properties | |
Spacecraft | 3MS No.53S |
Manufacturer | NPO Lavochkin |
Launch mass | 3,440 kg (7,580 lb)[2] |
Start of mission | |
Launch date | 25 July 1973, 18:55:48[3] | UTC
Rocket | Proton-K/D |
Launch site | Baikonur 81/24 |
Contractor | Khrunichev |
End of mission | |
Last contact | 28 February 1974 |
Orbital parameters | |
Reference system | Areocentric[4] |
Periareon altitude | 1,760 kilometres (1,090 mi) |
Apoareon altitude | 32,586 kilometres (20,248 mi) |
Inclination | 35.3° |
Period | 24.88 hours |
Epoch | 12 February 1974 |
Mars orbiter | |
Orbital insertion | 12 February 1974, 15:45 UTC[5] |
Mars 5 (Russian: Марс-5), also known as 3MS No.53S was a Soviet spacecraft launched to explore Mars. A 3MS spacecraft launched as part of the Mars programme, it successfully entered orbit around Mars in 1974. However, it failed a few weeks later.[5]