Kosmos 285

Kosmos 285 (Russian: Космос 285 meaning Cosmos 285), known before launch as DS-P1-Yu No.24,[1] was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was a 250-kilogram (550 lb) spacecraft, which was built by the Yuzhnoye Design Bureau, and launched in 1969 as part of the Dnepropetrovsk Sputnik programme.[2]

Kosmos 285
Mission typeABM radar target
COSPAR ID1969-049A
SATCAT no.03983
Spacecraft properties
Spacecraft typeDS-P1-Yu
ManufacturerYuzhnoye
Launch mass250 kilograms (550 lb)
Start of mission
Launch date3 June 1969, 12:57:27 (1969-06-03UTC12:57:27Z) UTC
RocketKosmos-2I 63SM
Launch sitePlesetsk 133/1
End of mission
Decay date7 October 1969 (1969-10-08)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude257 kilometres (160 mi)
Apogee altitude452 kilometres (281 mi)
Inclination71 degrees
Period91.6 minutes
 

Kosmos 285 was launched from Site 133/1 at the Plesetsk Cosmodrome,[1] atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 3 June 1969 at 12:57:27 UTC, and resulted in Kosmos 285's successful deployment into low Earth orbit.[3] Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-049A.

Kosmos 285 was operated in an orbit with a perigee of 257 kilometres (160 mi), an apogee of 452 kilometres (281 mi), 71 degrees of inclination, and an orbital period of 91.6 minutes.[2][4] It remained in orbit until it decayed and reentered the atmosphere on 7 October 1969.[4] It was the twenty-second of seventy nine DS-P1-Yu satellites to be launched,[2] and the twenty-first of seventy two to successfully reach orbit.[5]

See also

References
  1. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 14 August 2009.
  2. Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 18 May 2012. Retrieved 14 August 2009.
  3. Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 8 July 2012. Retrieved 14 August 2009.
  4. McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 14 August 2009.
  5. Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 14 August 2009.


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