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1187 Afra
1187 Afra, provisonal designation 1929 XC, is a main-belt asteroid discovered on December 6, 1929, by Karl Reinmuth at Heidelberg Observatory, Germany. The X-type asteroid measures about 32 kilometers in diameter.〔 The light curve of 1187 Afra shows a periodicity of , during which time the brightness of the object varies by in magnitude.〔 It is not known to what person, group of persons, or occurrence the name "Afra" refers to.〔 == 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「1187 Afra」の詳細全文を読む
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