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Kosmos 1261 ((ロシア語:Космос 1261) meaning ''Cosmos 1261'') was a Soviet US-K missile early warning satellite which was launched in 1981 as part of the Soviet military's Oko programme. The satellite was designed to identify missile launches using optical telescopes and infrared sensors.〔 Kosmos 1261 was launched from Site 41/1 at Plesetsk Cosmodrome in the Russian SSR.〔 A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 09:40 UTC on 31 March 1981.〔 The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1981-031A.〔 The United States Space Command assigned it the Satellite Catalog Number 12376.〔 It self-destructed.〔 ==See also== * 1981 in spaceflight * List of Kosmos satellites (1251–1500) * List of Oko satellites * List of R-7 launches (1980-1984) 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 1261」の詳細全文を読む スポンサード リンク
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