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Kosmos 28

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Kosmos 28
Mission typeOptical imaging
COSPAR ID1964-017A Edit this at Wikidata
SATCAT no.779
Mission duration8 days[1]
Spacecraft properties
Spacecraft typeZenit-2
ManufacturerOKB-1
Launch mass4,730.0 kilograms (10,427.9 lb)[1]
Start of mission
Launch date4 April 1964, 09:36 (1964-04-04UTC09:36Z) UTC[2]
RocketVostok-2
Launch siteBaikonur 31/6
End of mission
DisposalRecovered
Landing date12 April 1964 (1964-04-13)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude205 kilometres (127 mi)
Apogee altitude378 kilometres (235 mi)
Inclination65 degrees
Period90.34 minutes
Epoch6 April 1964[3]

Kosmos 28 (Russian: Космос 28 meaning Cosmos 28) or Zenit-2 No.16 was a Soviet optical film-return reconnaissance satellite which was launched in 1964. A Zenit-2 spacecraft, Kosmos 28 was the sixteenth of eighty-one such satellites to be launched[4][5] and had a mass of 4,730.0 kilograms (10,427.9 lb).[1]

A Vostok-2 rocket, serial number G15001-04,[6] was used to launch Kosmos 28. The launch took place at 09:36 UTC on 4 April 1964 from Site 31/6 at the Baikonur Cosmodrome.[2] Following its successful arrival in orbit the spacecraft received its Kosmos designation, along with the International Designator 1964-017A and the Satellite Catalog Number 779.[1]

Kosmos 28 was operated in a low Earth orbit. On 6 April 1964 it had a perigee of 205 kilometres (127 mi), an apogee of 378 kilometres (235 mi), with inclination of 65 degrees and an orbital period of 90.34 minutes. On 12 April 1964 the spacecraft was deorbited, with its return capsule descending by parachute for recovery by Soviet forces.[3][5]

References

  1. ^ a b c d "Cosmos 28". National Space Science Data Center. Retrieved 15 December 2013.
  2. ^ a b McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 15 December 2013.
  3. ^ a b McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 15 December 2013.
  4. ^ Krebs, Gunter. "Zenit-2 (11F61)". Gunter's Space Page. Retrieved 15 December 2013.
  5. ^ a b Wade, Mark. "Zenit-2". Encyclopedia Astronautica. Archived from the original on 21 April 2012. Retrieved 15 December 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  6. ^ Wade, Mark. "Vostok 8A92". Encyclopedia Astronautica. Archived from the original on 8 November 2017. Retrieved 13 December 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)