Mars 5

Mars 5
Mission typeMars orbiter[1]
OperatorSoviet space program
COSPAR ID1973-049A Edit this at Wikidata
SATCAT no.6754
Mission duration7 months, 3 days
Spacecraft properties
Spacecraft3MS No.53S
ManufacturerNPO Lavochkin
Launch mass3,440 kg (7,580 lb)[2]
Start of mission
Launch date25 July 1973, 18:55:48 (1973-07-25UTC18:55:48Z) UTC[3]
RocketProton-K/D
Launch siteBaikonur 81/24
ContractorKhrunichev
End of mission
Last contact28 February 1974 (1974-03-01)
Orbital parameters
Reference systemAreocentric[4]
Periareon altitude1,760 kilometres (1,090 mi)
Apoareon altitude32,586 kilometres (20,248 mi)
Inclination35.3°
Period24.88 hours
Epoch12 February 1974
Mars orbiter
Orbital insertion12 February 1974, 15:45 UTC[5]
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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]

  1. ^ Krebs, Gunter. "Interplanetary Probes". Gunter's Space Page. Retrieved 12 April 2013.
  2. ^ "Mars 5". Retrieved 6 December 2018.
  3. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 12 April 2013.
  4. ^ Mark Wade. "Mars M-73". Encyclopedia Astronautica. Retrieved 27 May 2024.
  5. ^ a b "Mars 5". US National Space Science Data Centre. Retrieved 12 April 2013.