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EchoStar XVII : ウィキペディア英語版 | EchoStar XVII
EchoStar XVII or EchoStar 17, also known as Jupiter 1,〔 is an American geostationary communications satellite which is operated by Hughes Network Systems, a subsidiary of EchoStar. It will be positioned in geostationary orbit at a longitude of 107.1° West,〔(【引用サイトリンク】title=A Dual Launch for Internet and Weather Satellites )〕 from where it will be used for satellite internet access. EchoStar XVII was built by Space Systems/Loral,〔(【引用サイトリンク】title=EchoStar XVII )〕 and is based on the LS-1300 satellite bus. It measures by by , with solar arrays which were deployed after launch, and will generate a minimum of 16.1 kilowatts of power.〔 The spacecraft had a mass at liftoff of , and is expected to operate for fifteen years.〔 It carries sixty Ka band (NATO K band) transponders which will be used to cover North America.〔 EchoStar XVII was launched by Arianespace, using an Ariane 5ECA carrier rocket flying from ELA-3 at Kourou. The spacecraft was launched at 21:36 UTC on 5 July 2012. The MSG-3 weather satellite was launched aboard the same rocket, mounted below EchoStar XVII, which was atop a Sylda 5 adaptor.〔 The launch successfully placed both satellites into a geosynchronous transfer orbit. EchoStar XVII will use its own propulsion system to manoeuvre into a geostationary orbit.〔 ==See also==
*2012 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「EchoStar XVII」の詳細全文を読む
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