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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 USA-49 ： ウィキペディア英語版 USA-49 USA-49, also known as GPS II-5 and GPS SVN-17, was an American navigation satellite which formed part of the Global Positioning System. It was the fifth of nine Block II GPS satellites to be launched, which were the first operational GPS satellites to fly. USA-49 was launched at 18:10:01 UTC on 11 December 1989, atop a Delta II carrier rocket, flight number D190, flying in the 6925 configuration. The launch took place from Launch Complex 17B at the Cape Canaveral Air Force Station, and placed USA-49 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37XFP apogee motor. On 11 January 1990, USA-49 was in an orbit with a perigee of , an apogee of , a period of 718 minutes, and 54.9 degrees of inclination to the equator. It operated in slot 3 of plane D of the GPS constellation. The satellite had a mass of , and generated 710 watts of power.〔(【引用サイトリンク】title=Navstar 2-05 )〕 It had a design life of 7.5 years,〔 and ceased operations on 23 February 2005. ==References== 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「USA-49」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.