Kosmos 33
Mission typeOptical imaging reconnaissance
OperatorOKB-1
COSPAR ID1964-033A
SATCAT no.00816
Mission duration8 days
Spacecraft properties
Spacecraft typeZenit-2
ManufacturerOKB-1
Launch mass4730 kg[1]
Start of mission
Launch date23 June 1964, 10:19:00 GMT
RocketVostok-2 s/n G15001-05
Launch siteBaikonur, Site 31/6
ContractorOKB-1
End of mission
DisposalRecovered
Landing date1 July 1964
Orbital parameters
Reference systemGeocentric[2]
RegimeLow Earth
Perigee altitude209 km
Apogee altitude293 km
Inclination65.0°
Period89.4 minutes
Epoch23 June 1964
 

Kosmos 33 (Russian: Космос 33 meaning Cosmos 33) or Zenit-2 No.20 was a Soviet, first generation, low resolution, optical film-return reconnaissance satellite launched in 1964. A Zenit-2 spacecraft, Kosmos 33 was the nineteenth of eighty-one such satellites to be launched[3] and had a mass of 4,730 kilograms (10,430 lb).

Kosmos 33 was launched by a Vostok-2 rocket, serial number G15001-05,[4] flying from Site 31/6 at the Baikonur Cosmodrome. The launch took place at 10:19 GMT on 23 June 1964,[5] and following its successful arrival in orbit the spacecraft received its Kosmos designation; along with the International Designator 1964-033A and the Satellite Catalog Number 00816.[6]

Kosmos 33 was operated in a low Earth orbit; at an epoch of 23 June 1964 it had a perigee of 209 kilometres (130 mi), an apogee of 293 kilometres (182 mi), inclination of 65.0° and an orbital period of 89.4 minutes. On 1 July 1964, after 8 days in orbit, the satellite was deorbited with its return capsule descending by parachute for recovery by Soviet forces.[7][8]

References

  1. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1964-033A - 27 February 2020
  2. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/displayTrajectory.action?id=1964-033A - 27 February 2020
  3. Krebs, Gunter. "Zenit-2 (11F61)". Gunter's Space Page. Archived from the original on 31 December 2011. Retrieved 16 December 2013.
  4. Wade, Mark. "Vostok 8A92". Encyclopedia Astronautica. Archived from the original on 22 August 2016. Retrieved 13 December 2013.
  5. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 16 December 2013.
  6. "Cosmos 33". National Space Science Data Center. Retrieved 16 December 2013.
  7. McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 16 December 2013.
  8. Wade, Mark. "Zenit-2". Encyclopedia Astronautica. Archived from the original on 23 May 2012. Retrieved 16 December 2013.


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