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Himawari 8
is a Japanese weather satellite, the 8th of the Himawari geostationary weather satellites operated by the Japan Meteorological Agency. The spacecraft was constructed by Mitsubishi Electric with assistance from Boeing, and is the first of two similar satellites to be based on the DS-2000 satellite bus. Himawari 8 entered operational service on 7 July 2015 and is the successor to MTSAT-2 (Himawari 7) which was launched in 2006. Himawari 8 was launched atop a H-IIA rocket flying from the Yoshinobu Launch Complex Pad 1 at the Tanegashima Space Center. The launch occurred at 05:16 UTC on 7 October 2014 and reached its operational geostationary orbit in October 2014, at 140.7 degrees East.〔(【引用サイトリンク】title=JMA/MSC: Himawari-8/9 )〕 ==Design==
The DS2000 satellite bus has a lifespan of 15 years, however the expected operational lifespan of Himawari 8 is expected to be limited by its instruments which are only designed for 8 years of service. At launch, the mass of the satellite was about . Power is supplied by a single gallium arsenide solar panel, which provides up to 2.6 kilowatts of power.〔
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「Himawari 8」の詳細全文を読む
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