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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク 2009 satellite collision ： ウィキペディア英語版 2009 satellite collision The 2009 satellite collision was the first accidental hypervelocity collision between two intact artificial satellites in low Earth orbit. It occurred on February 10, 2009, 16:56 UTC, when Iridium 33 and Kosmos-2251 collided at a speed of 42,120 km/h (26,170 mi/h)〔 (putting the collision speed at 42,120 kilometres per hour (11.7 km/s))〕〔 (reporting it as "what amounted to a 26,000 mph (miles/sec) ) collision")〕 and an altitude of above the Taymyr Peninsula in Siberia. ==Spacecraft== Kosmos-2251 was a Strela military communications satellite.〔 It was launched on a Kosmos-3M carrier rocket on June 16, 1993.〔 It had been deactivated prior to the collision, and remained in orbit as space debris. Iridium 33 was a satellite and was part of the commercial satellite phone Iridium constellation of 66 communications satellites.〔 It was launched on September 14, 1997, atop a Proton rocket. 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「2009 satellite collision」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.