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2005 HC4
2005 HC4 is the asteroid with the smallest known perihelion of any known object orbiting the Sun. Its extreme orbital eccentricity brings it within 0.071 AU of the Sun (23% of Mercury's perihelion) and as far as 3.562 AU from the Sun (well beyond the orbit of Mars). == See also==
* List of Mercury-crossing minor planets * List of Venus-crossing minor planets * Apollo asteroids * List of Mars-crossing minor planets
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「2005 HC4」の詳細全文を読む
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