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彗星號

彗星號
Spacecraft Suisei
所属组织ISAS
任务类型飛掠
环绕对象太陽
发射时间1985-08-18, 內之浦宇宙空間觀測所
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)

彗星號(すいせい),也稱為「行星-A」(PLANET-A),是一艘日本宇宙航空研究開發機構所發射的太空船,主要任務是探測哈雷彗星,屬於哈雷艦隊一部分。彗星號於1986年3月8日成功以145,000公里的距離通過哈雷彗星的附近。

歷史

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1985年8月19日,彗星號從內之浦宇宙空間觀測所發射升空,任務是觀測太陽風與哈雷彗星大氣層的相互作用、以紫外線拍攝彗星核心。

1985年11月14日,彗星號以真空紫外攝影装置 (UVI) 拍攝彗星Lyα輝線,發現彗星変光周期來自核心的自轉,周期為2.2±0.1日。

1986年3月8日,彗星號以145,000公里的距離通過哈雷彗星。

1991年2月22日,彗星號修正軌道燃料用盡。1992年8月20日,利用地球重力助推後結束任務。

參考資料

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彗星號
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