Mars 2MV-3 No.1

Last updated
2MV-3 No.1
Mission typeMars lander
Harvard designation1962 Beta Xi 1
COSPAR ID 1962-062A OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 00451 OOjs UI icon edit-ltr-progressive.svg
Spacecraft properties
Spacecraft type 2MV-3
Manufacturer OKB-1
Launch mass890 kilograms (1,960 lb)
Start of mission
Launch date4 November 1962, 15:35:15 (1962-11-04UTC15:35:15Z) UTC
Rocket Molniya 8K78 s/n T103-17
Launch site Baikonur 1/5
End of mission
Decay date25 November 1962 (1962-11-26)
Orbital parameters
Reference system Geocentric
Regime Low Earth (achieved)
Heliocentric (intended)
 

Mars 2MV-3 No.1 [1] [2] also known as Sputnik 24 in the West, was a Soviet spacecraft, which was launched in 1962 as part of the Mars program, and was intended to land on the surface of Mars. [3] [4] Due to a problem with the rocket which launched it, it did not depart low Earth orbit, [5] and it decayed several days later. It was the only Mars 2MV-3 spacecraft to be launched. [2]

Contents

Launch

The spacecraft was launched at 15:35:15 UTC on 4 November 1962, atop a Molniya 8K78 carrier rocket flying from Site 1/5 at the Baikonur Cosmodrome. [1] About 260 seconds into the flight, the oxidiser pressurisation system malfunctioned, resulting in cavitation within the feed lines and turbopump. The same problem developed in the propellant feed lines thirty-two seconds later. [6] Although the lower stages of the rocket were still able to place the upper stage and payload into a low Earth orbit, vibrations caused by either the cavitation problem, or a separate problem with the next stage, caused a fuse to become dislodged in the electrical system controlling the upper stage engine. This prevented the Blok L upper stage igniting, leaving the spacecraft in its parking orbit. It decayed from orbit the next day. However, some debris remained in orbit until 27 December, and the upper stage ullage motor platform remained in orbit until 19 January 1963. [7]

Designation

The designations Sputnik 31, and later Sputnik 24, were used by the United States Naval Space Command to identify the spacecraft in its Satellite Situation Summary documents, since the Soviet Union did not release the internal designations of its spacecraft at that time, and had not assigned it an official name due to its failure to depart geocentric orbit. [3] [8]

See also

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References

  1. 1 2 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 29 July 2010.
  2. 1 2 Krebs, Gunter. "Mars (2a) (2MV-3 #1)". Gunter's Space Page. Retrieved 29 July 2010.
  3. 1 2 Zak, Anatoly. "Russia's unmanned missions to Mars". RussianSpaceWeb. Archived from the original on 20 July 2010. Retrieved 29 July 2010.
  4. ↑ Wade, Mark. "Mars 2MV-3". Encyclopedia Astronautica. Archived from the original on 30 November 2010. Retrieved 29 July 2010.
  5. ↑ Wade, Mark. "Mars". Encyclopedia Astronautica. Archived from the original on 8 December 2010. Retrieved 29 July 2010.
  6. ↑ Wade, Mark. "Soyuz". Encyclopedia Astronautica. Archived from the original on 7 January 2010. Retrieved 29 July 2010.
  7. ↑ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 29 July 2010.
  8. ↑ Mihos, Chris (11 January 2006). "Soviet Craft - Mars". Case Western Reserve University. Archived from the original on 13 October 2013. Retrieved 29 July 2010.
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