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福后星

福后星
发现
發現者讓·沙科納克
發現日期1853年4月6日
編號
命名依據福西亞
其它名稱25 Phocaea、1956 GC
小行星分類主帶(福后星族)
軌道參數
曆元 2006年6月14日(JD 2453900.5)
遠日點450.716 Gm (3.013 AU)
近日點267.314 Gm (1.787 AU)
半長軸359.015 Gm (2.400 AU)
離心率0.255
軌道週期1357.936 (3.72 a)
平均軌道速度18.91 km/s
平近點角6.932°
軌道傾角21.584°
升交點黃經214.258°
近日點參數90.154°
物理特徵
大小75.1 km
質量4.4×1017? kg
平均密度2.0? g/cm³
表面重力0.0210? m/s²
0.0397? km/s
自轉週期0.4144 d (9.945 h) [1]
反照率0.231 [2]
溫度~173 K
光譜類型S-型小行星
絕對星等(H)7.83

福后星(Phocaea)是第25颗被人类发现的小行星,于1853年4月6日由法国天文学家让·沙科纳克发现。福后星的直径为75.1千米,质量为4.47×1017千克,公转周期为1357.936天。

相關條目

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参考资料

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  1. ^ 存档副本. [2008-01-29]. (原始内容存档于2006-09-13). 
  2. ^ 存档副本. [2008-01-29]. (原始内容存档于2012-07-22). 


前一小行星:
(24)司理星
小行星列表 後一小行星:
(26)冥后星
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福后星
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