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276 Adelheid : ウィキペディア英語版 | 276 Adelheid
276 Adelheid is a very large main-belt asteroid that was discovered by Austrian astronomer Johann Palisa on April 17, 1888, in Vienna. This asteroid has a diameter of 122 km and a geometric albedo of 0.045.〔 Photometric observations in 1992 gave a light curve with a period of 6.328 ± 0.012 hours and a brightness variation of 0.10 ± 0.02 in magnitude. The curve is regular with two maxima and minima. This object has a spectrum that matches an X-type classification.〔 ==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「276 Adelheid」の詳細全文を読む
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