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1185 Nikko 1185 Nikko is a main-belt asteroid with an orbital period of 1,222.441 days (3.35 years).〔(【引用サイトリンク】 JPL Small-Body Database Browser )〕 The asteroid was discovered on November 17, 1927, by Japanese astronomer Okurō Oikawa at Tokyo Astronomical Observatory and is named after the Japanese city of Nikkō. Photometric observations of this asteroid collected during 2004 show a rotation period of 3.79 ± 0.01 hours with a brightness variation of 0.34 ± 0.03 magnitude.〔 ==References==
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「1185 Nikko」の詳細全文を読む
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