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Kosmos 275 ((ロシア語: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. It was launched aboard a Kosmos-2I 63SM rocket, from Site 133/1 at Plesetsk. The launch occurred at 16:00:08 UTC on 28 March 1969. Kosmos 275 was placed into a low Earth orbit with a perigee of , an apogee of , 71 degrees of inclination, and an orbital period of 95.2 minutes.〔 It decayed from orbit on 7 February 1970. Kosmos 275 was the fifth of nineteen DS-P1-I satellites to be launched.〔 Of these, all reached orbit successfully except the seventh. ==See also== *1969 in spaceflight 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kosmos 275」の詳細全文を読む スポンサード リンク
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