Mars 2MV-4 No.1

Last updated
2MV-4 No.1
Mars 1 NASA.jpg
Mission type Mars flyby
Operator Soviet Union
COSPAR ID 1962-057A OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 443
Mission duration5 days
Spacecraft properties
Spacecraft type 2MV-4
Manufacturer OKB-1
Launch mass893.5 kilograms (1,970 lb)
Start of mission
Launch date24 October 1962, 17:55:05 (1962-10-24UTC17:55:05Z) UTC
Rocket Molniya 8K78 s/n T103-15
Launch site Baikonur 1/5
End of mission
Decay date29 October 1962 – 26 February 1963 (1963-02-27)
Orbital parameters
Reference system Geocentric
Regime Low Earth (achieved)
Heliocentric (intended)
←  Mars 1960B
Mars 1  →
 

Mars 2MV-4 No.1 [1] [2] also known as Sputnik 22 in the West, was a Soviet spacecraft, which was launched in 1962 as part of the Mars programme, and was intended to make a flyby of Mars, [3] and transmit images of the planet back to Earth. [4] Due to a problem with the rocket which launched it, it was destroyed in low Earth orbit. [5] It was the first of two Mars 2MV-4 spacecraft to be launched, the other being the Mars 1 spacecraft which was launched eight days later. [2]

Contents

Launch

With the Cuban Missile Crisis unfolding, the USSR spacecraft Mars 2MV-4 No.1 was launched at 17:55:04 UTC on 24 October 1962, atop a Molniya 8K78 carrier rocket flying from Site 1/5 at the Baikonur Cosmodrome. [1] The lower stages of the rocket performed nominally, placing the payload and the Blok L upper stage into low Earth orbit. When the Blok L ignited following a coast phase, lubricant leaked out of the turbopump, which consequently seized up and disintegrated. This caused the main engine to explode, [6] destroying the upper stage and spacecraft. [2] Twenty two pieces of debris from the spacecraft and upper stage were catalogued, which decayed between 29 October 1962 and 26 February 1963. [7]

Designations

The designations Sputnik 29, and later Sputnik 22, 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] A United States Ballistic Missile Early Warning System station in Alaska detected the debris from the launch, and initially identified it as incoming nuclear warheads, since the launch had occurred during the Cuban Missile Crisis. [9]

Scientific Instruments

The spacecraft carried two instruments on board: [10]

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 3 Krebs, Gunter. "Mars 1 (2MV-4 #1, 2)". Gunter's Space Page. Retrieved 29 July 2010.
  3. 1 2 Zak, Anatoly. "Russia's unmanned missions to Mars". RussianSpaecWeb. Archived from the original on 20 July 2010. Retrieved 29 July 2010.
  4. ↑ Wade, Mark. "Mars 2MV-4". Encyclopedia Astronautica. Archived from the original on 29 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. ↑ "Sputnik 22". NASA NSSDC. Retrieved 28 July 2010.
  9. ↑ Mihos, Chris (11 January 2006). "Soviet Craft – Mars". Case Western Reserve University. Archived from the original on 13 October 2013. Retrieved 29 July 2010.
  10. ↑ "Deep Space Chronicle: A Chronology of Deep Space and Planetary Probes 1958–2000". Solar System Exploration: NASA Science. Retrieved 2019-01-20.
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