Kosmos 99

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Kosmos 99
A Zenit reentry capsule
NamesZenit 2-32
Mission typeOptical imaging reconnaissance
OperatorOKB-1
COSPAR ID1965-103A
SATCAT no.1817
Mission duration8 days
Spacecraft properties
Spacecraft typeZenit-2
ManufacturerOKB-1
Launch mass4730 kg[1]
Start of mission
Launch date10 December 1965
08:09:00 GMT
RocketVostok-2
Launch siteBaikonur 31/6
End of mission
DisposalRecovered
Landing date18 December 1965
Orbital parameters
Reference systemGeocentric[2]
RegimeLow Earth
Perigee altitude203 km
Apogee altitude309 km
Inclination65.0°
Period89.6 minutes
Epoch10 December 1965

Kosmos 99 (Russian: Космос 99 meaning Cosmos 99) or Zenit-2 No.32 was a Soviet, first generation, low resolution, optical film-return reconnaissance satellite launched in 1965. A Zenit-2 spacecraft, Kosmos 99 was the thirty-second of eighty-one such satellites to be launched[3] and had a mass of 4,730 kilograms (10,430 lb).

Kosmos 99 was launched by a Vostok-2 rocket, serial number U15001-04,[4] flying from Site 31/6 at the Baikonur Cosmodrome. The launch took place at 08:09 GMT on 10 December 1965.[5] Following its successful arrival in orbit the spacecraft received its Kosmos designation; along with the International Designator 1965-103A and the Satellite Catalog Number 01817.

Kosmos 99 was operated in a low Earth orbit, at an epoch of 10 December 1965, it had a perigee of 203 kilometres (126 mi), an apogee of 309 kilometres (192 mi), an inclination of 65.0° and an orbital period of 89.6 minutes.[6] On 18 December 1965, after eight days in orbit, the satellite was deorbited with its return capsule descending by parachute for recovery by the Soviet force.[7]

References

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