Kosmos 275

Kosmos 275
Mission type ABM radar target
COSPAR ID 1969-031A
Spacecraft properties
Spacecraft type DS-P1-I
Manufacturer Yuzhnoye
Launch mass 300 kilograms (660 lb)
Start of mission
Launch date 28 March 1969, 16:00:08 (28 March 1969, 16:00:08) UTC
Rocket Kosmos-2I 63SM
Launch site Plesetsk 133/1
End of mission
Decay date 7 February 1970 (7 February 1970)
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 273 kilometres (170 mi)
Apogee 780 kilometres (480 mi)
Inclination 71 degrees
Period 95.2 minutes

Kosmos 275 (Russian: Космос 275 meaning Cosmos 275), also known as DS-P1-I No.5 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1969 as part of the Dnepropetrovsk Sputnik programme.[1]

It was launched aboard a Kosmos-2I 63SM rocket,[2] from Site 133/1 at Plesetsk. The launch occurred at 16:00:08 UTC on 28 March 1969.[3]

Kosmos 275 was placed into a low Earth orbit with a perigee of 273 kilometres (170 mi), an apogee of 780 kilometres (480 mi), 71 degrees of inclination, and an orbital period of 95.2 minutes.[1] It decayed from orbit on 7 February 1970.[4]

Kosmos 275 was the fifth of nineteen DS-P1-I satellites to be launched.[1] Of these, all reached orbit successfully except the seventh.[5]

See also

References

  1. 1 2 3 Wade, Mark. "DS-P1-I". Encyclopedia Astronautica. Retrieved 28 May 2009.
  2. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 28 May 2009.
  3. ↑ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Retrieved 28 May 2009.
  4. ↑ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 28 May 2009.
  5. ↑ Wade, Mark. "DS". Encyclopedia Astronautica. Retrieved 28 May 2009.
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