Venera 2MV-2 No.1
Failed Soviet Venus flyby spacecraft / From Wikipedia, the free encyclopedia
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Venera 2MV-2 No.1,[2][3] also known as Sputnik 21 in the West, was a Soviet spacecraft, which was launched in 1962 as part of the Venera programme, and was intended to make a flyby of Venus.[4] Due to a problem with the rocket which launched it, it failed to leave low Earth orbit, and reentered the atmosphere a few days later.[5] It was the second Venera 2MV-2 spacecraft, both of which failed to leave Earth orbit.[3]
Quick Facts Mission type, Operator ...
Mission type | Venus flyby |
---|---|
Operator | OKB-1 |
Harvard designation | 1962 Alpha Phi 1 |
COSPAR ID | 1962-045A |
SATCAT no. | 389 |
Mission duration | Launch failure |
Spacecraft properties | |
Spacecraft type | 2MV-2 |
Manufacturer | OKB-1 |
Launch mass | 6,500 kilograms (14,300 lb) |
Start of mission | |
Launch date | 12 September 1962, 00:59:13 (1962-09-12UTC00:59:13Z) UTC |
Rocket | Molniya 8K78 s/n T103-14 |
Launch site | Baikonur 1/5 |
End of mission | |
Decay date | 14 September 1962 (1962-09-15) |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth (achieved) Heliocentric (intended) |
Semi-major axis | 6,550 kilometres (4,070 mi) |
Eccentricity | 0.02977 |
Perigee altitude | 163 kilometres (101 mi) |
Apogee altitude | 195 kilometres (121 mi) |
Inclination | 64.8 degrees |
Period | 88.07 minutes |
Epoch | 1962-09-11, 21:40:00 UTC[1] |
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