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Kosmos 283
Mission type	ABM radar target
COSPAR ID	1969-047A
SATCAT no.	03957
Spacecraft properties
Spacecraft type	DS-P1-Yu
Manufacturer	Yuzhnoye
Launch mass	250 kilograms (550 lb)
Start of mission
Launch date	27 May 1969, 12:59:59 UTC
Rocket	Kosmos-2I 63SM
Launch site	Plesetsk 133/1
End of mission
Decay date	10 December 1969
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	196 kilometres (122 mi)
Apogee altitude	1,364 kilometres (848 mi)
Inclination	81.9 degrees
Period	100.5 minutes

Kosmos 283 (Russian: Космос 283 meaning Cosmos 283), known before launch as DS-P1-Yu No.19, 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.^[1]

Kosmos 283 was launched from Site 133/1 at the Plesetsk Cosmodrome,^[2] atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 27 May 1969 at 12:59:59 UTC, and resulted in Kosmos 283's successful deployment into low Earth orbit.^[3] Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-047A.

Kosmos 283 was operated in an orbit with a perigee of 196 kilometres (122 mi), an apogee of 1,364 kilometres (848 mi), 81.9 degrees of inclination, and an orbital period of 100.5 minutes.^[1]^[4] It remained in orbit until it decayed and reentered the atmosphere on 10 December 1969.^[4] It was the twenty-first of seventy nine DS-P1-Yu satellites to be launched,^[1] and the twentieth of seventy two to successfully reach orbit.^[5]

References

^ ^a ^b ^c Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 2 June 2012. Retrieved 13 August 2009.
^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 13 August 2009.
^ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 18 June 2012. Retrieved 13 August 2009.
^ ^a ^b McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 13 August 2009.
^ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 13 August 2009.