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EchoStar XV
EchoStar XV is an American geostationary communications satellite which is operated by EchoStar. It is positioned in geostationary orbit, and will be located at a longitude of 61.5° West, from where it is intended to provide direct broadcasting of high-definition television services to the continental United States and Puerto Rico for Dish Network.〔〔
EchoStar XV was built by Space Systems/Loral, and is based on the LS-1300 satellite bus. It is equipped with 32 J band (IEEE Ku band) transponders,〔(【引用サイトリンク】title=Echostar 15 )〕 and at launch it had a mass of . It has a design life of fifteen years,;〔 however, it is carrying enough fuel for around twenty years of operations. It has a common configuration with EchoStar XI and EchoStar XVI.
The launch of EchoStar XV was conducted by International Launch Services, using a Proton-M carrier rocket with a Briz-M upper stage. The launch occurred from Site 200/39 at the Baikonur Cosmodrome in Kazakhstan, at 18:40 UTC on 10 July 2010. The launch successfully placed EchoStar XV into a geosynchronous transfer orbit.〔(【引用サイトリンク】title=EchoStar XV Mission Overview )〕 Following separation from the rocket, it manoeuvred into a geostationary orbit with a perigee of and an apogee of .
==See also==
*2010 in spaceflight
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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