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Kosmos 265
Kosmos 265 ((ロシア語:Космос 265) meaning ''Cosmos 265''), known before launch as DS-P1-Yu No.21, was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was built by the Yuzhnoye Design Bureau, and launched in 1969 as part of the Dnepropetrovsk Sputnik programme. It had a mass of .〔 Kosmos 265 was launched from Plesetsk Cosmodrome Site 133/1, atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 7 February 1969 at 13:59 UTC, and resulted in Kosmos 265's successful deployment into low Earth orbit. Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-012A. Kosmos 265 was operated in an orbit with a perigee of , an apogee of , 70.9 degrees of inclination, and an orbital period of 91.3 minutes.〔〔 It remained in orbit until it decayed and reentered the atmosphere on 1 May 1969. It was the eighteenth of seventy nine DS-P1-Yu satellites to be launched,〔 and the seventeenth of seventy two to successfully reach orbit. == See also ==
* 1969 in spaceflight
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