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Kosmos 242 ((ロシア語:Космос 242) meaning ''Cosmos 242''), also known as DS-P1-I No.4 was a satellite which was used as a radar target for anti-ballistic missile tests. It was launched by the Soviet Union in 1968 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 14:39:59 UTC on 20 September 1968. Kosmos 242 was placed into a low Earth orbit with a perigee of , an apogee of , 71 degrees of inclination, and an orbital period of 91.3 minutes.〔 It decayed from orbit on 13 November 1968. Kosmos 242 was the fourth of nineteen DS-P1-I satellites to be launched.〔 Of these, all reached orbit successfully except the seventh. ==See also== *1968 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 242」の詳細全文を読む スポンサード リンク
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