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790 Pretoria : ウィキペディア英語版 | 790 Pretoria
790 Pretoria is a minor planet orbiting the Sun that was discovered by English astronomer Harry Edwin Wood on January 16, 1912. It is a member of the Cybele group located beyond the core of the main belt (see Minor planet groups). 10µ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 175 km.〔 In the present day it is estimated to be in diameter.〔 Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 10.370 ± 0.002 hours and a brightness variation of 0.08 ± 0.03 in 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「790 Pretoria」の詳細全文を読む
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