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Mars 2MV-4 No.1

Soviet space mission

Summary

Soviet space mission

Field	Value
name	2MV-4 No.1
image	Mars 1 NASA.jpg
mission_type	Mars flyby
operator	Soviet Union
COSPAR_ID	1962-057A
SATCAT	443
mission_duration	5 days
spacecraft_type	2MV-4
manufacturer	OKB-1
launch_mass	893.5 kg
launch_date	UTC
launch_rocket	Molniya 8K78 s/n T103-15
launch_site	Baikonur 1/5
decay_date	29 October 1962 –
orbit_reference	Geocentric
orbit_regime	Low Earth (achieved)
Heliocentric (intended)
apsis	gee
programme	Mars program
previous_mission	Mars 1960B
next_mission	Mars 1

Heliocentric (intended)

Mars 2MV-4 No.1 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, and transmit images of the planet back to Earth. Due to a problem with the rocket which launched it, it was destroyed in low Earth orbit. 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.

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. 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, destroying the upper stage and spacecraft. Twenty two pieces of debris from the spacecraft and upper stage were catalogued, which decayed between 29 October 1962 and 26 February 1963.

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. 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.

Scientific Instruments

The spacecraft carried two instruments on board:

Imaging System
Magnetometer

References

Zak, Anatoly. "Russia's unmanned missions to Mars". RussianSpaecWeb.
Wade, Mark. "Mars 2MV-4". Encyclopedia Astronautica.
Wade, Mark. "Mars". Encyclopedia Astronautica.
Krebs, Gunter. "Mars 1 (2MV-4 #1, 2)". Gunter's Space Page.
McDowell, Jonathan. "Launch Log". Jonathan's Space Page.
Wade, Mark. "Soyuz". Encyclopedia Astronautica.
McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page.
"Sputnik 22". NASA NSSDC.
Mihos, Chris. (11 January 2006). "Soviet Craft – Mars". Case Western Reserve University.
"Deep Space Chronicle: A Chronology of Deep Space and Planetary Probes 1958–2000".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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