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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-64 ： ウィキペディア英語版 USA-64 USA-64, also known as GPS II-9 and GPS SVN-15, was an American navigation satellite which formed part of the Global Positioning System. It was the last of nine Block II GPS satellites to be launched, which were the first operational GPS satellites to fly. It was also the last Block II satellite to be retired from service. USA-64 was launched at 21:56:00 UTC on 1 October 1990, atop a Delta II carrier rocket, flight number D199, flying in the 6925 configuration. The launch took place from Launch Complex 17A at the Cape Canaveral Air Force Station, and placed USA-64 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37XFP apogee motor. On 31 October 1990, USA-64 was in an orbit with a perigee of , an apogee of , a period of 717.94 minutes, and 54.9 degrees of inclination to the equator. It operated in slot 5 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 2-09 )〕 It had a design life of 7.5 years,〔 and ceased operations on 14 March 2007, having been removed from active service on 17 November 2006 for testing. ==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-64」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.