Kosmos 391 (russian: Космос 391 meaning ''Cosmos 391''), also known as DS-P1-I No.11 was a
satellite which was used as a
radar target for
anti-ballistic missile
An anti-ballistic missile (ABM) is a surface-to-air missile designed to counter ballistic missiles (missile defense). Ballistic missiles are used to deliver nuclear weapon, nuclear, Chemical weapon, chemical, Bioagent, biological, or conventiona ...
tests. It was launched by the
Soviet Union in 1971 as part of the
Dnepropetrovsk Sputnik programme.
Launch
It was launched aboard a
Kosmos-2I 63SM rocket,
from
Site 133/1 at
Plesetsk. The launch occurred at 12:00:00 UTC on 14 January 1971.
Orbit
Kosmos 391 was placed into a
low Earth orbit with a
perigee of , an
apogee of , 70.9 degrees of
inclination, and an
orbital period of 95.3 minutes.
It
decayed from orbit on 21 February 1971.
Kosmos 391 was the tenth of nineteen
DS-P1-I satellites to be launched.
Of these, all reached orbit successfully except the
seventh.
See also
*
1971 in spaceflight
1971 saw the last three known deaths of cosmonauts of the Soviet space program and the only deaths in space. Their mission was to man humanity's first space station. The experimental bay door failed to separate so the first crew failed to dock ...
References
1971 in spaceflight
Kosmos satellites
1971 in the Soviet Union
Spacecraft launched in 1971
Dnepropetrovsk Sputnik program
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