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Hisaki (satellite)
Hisaki, also known as the Spectroscopic Planet Observatory for Recognition of Interaction of Atmosphere (SPRINT-A) is a Japanese ultraviolet astronomy satellite operated by the Japan Aerospace Exploration Agency (JAXA). The first mission of the Small Scientific Satellite programme,〔(【引用サイトリンク】title=Shujiro Sawai, "Semi-Made-To-Order" Satellites: Faster, Cheaper, More Advanced )〕 it was launched in September 2013 on the maiden flight of the Epsilon rocket.
Hisaki was named after a cape used by local fishermen to pray for safe travels in the eastern part of Kimotsuki, Kagoshima near the Uchinoura Space Center, but has the additional meaning of "beyond the Sun". An old name for the mission was EXCEED (Extreme Ultraviolet Spectroscope for Exospheric Dynamics).〔( F. Tsuchiya, et al. - Earth-orbiting Extreme Ultraviolet Spectroscopic Mission SPRINT-A/EXCEED )〕
==Objectives==
Hisaki carries an extreme ultraviolet spectrometer which will be used to study the composition of
the atmospheres and the behavior of the magnetospheres of the planets of the Solar System. Designed for a one-year mission, Hisaki will be operated in a low Earth orbit with a perigee of , an apogee of , 31 degrees of inclination and a period of 106 minutes.〔(【引用サイトリンク】title=Spectroscopic Planet Observatory for Recognition of Integration of Atmosphere (SPRINT-A) )〕
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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