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彗星号

彗星号
Spacecraft Suisei
所属组织ISAS
任务类型飞掠
环绕对象太阳
发射时间1985-08-18, 内之浦宇宙空间观测所
发射手段M-3SII-2
COSPAR ID1985-073A
SATCAT no.15967在维基数据编辑
官方网站Suisei
质量139.5 kg
轨道参数
离心率-
近拱点151,000 公里 (哈雷彗星)

彗星号(すいせい),也称为“行星-A”(PLANET-A),是一艘日本宇宙航空研究开发机构所发射的太空船,主要任务是探测哈雷彗星,属于哈雷舰队一部分。彗星号于1986年3月8日成功以145,000公里的距离通过哈雷彗星的附近。

历史

1985年8月19日,彗星号从内之浦宇宙空间观测所发射升空,任务是观测太阳风与哈雷彗星大气层的相互作用、以紫外线拍摄彗星核心。

1985年11月14日,彗星号以真空紫外摄影装置 (UVI) 拍摄彗星Lyα辉线,发现彗星変光周期来自核心的自转,周期为2.2±0.1日。

1986年3月8日,彗星号以145,000公里的距离通过哈雷彗星。

1991年2月22日,彗星号修正轨道燃料用尽。1992年8月20日,利用地球重力助推后结束任务。

参考资料

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彗星号
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