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Kosmos 285
Kosmos 285 ((ロシア語:Космос 285) meaning ''Cosmos 285''), known before launch as DS-P1-Yu No.24,〔 was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was a spacecraft, which was built by the Yuzhnoye Design Bureau, and launched in 1969 as part of the Dnepropetrovsk Sputnik programme. Kosmos 285 was launched from Site 133/1 at the Plesetsk Cosmodrome, 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. 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 , an apogee of , 71 degrees of inclination, and an orbital period of 91.6 minutes.〔〔 It remained in orbit until it decayed and reentered the atmosphere on 7 October 1969. It was the twenty-second of seventy nine DS-P1-Yu satellites to be launched,〔 and the twenty-first of seventy two to successfully reach orbit. ==See also==
* 1969 in spaceflight
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