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・ 184th Airborne Division Nembo
・ 184th Battalion, CEF
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・ 184th Intelligence Wing
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・ 184th Tunnelling Company
・ 185
・ 185 (number)
・ 185 BC
185 Eunike
・ 185 series
・ 1850
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185 Eunike : ウィキペディア英語版
185 Eunike

185 Eunike is a dark and very large main-belt asteroid, with an approximate diameter of 157 kilometres. It has a primitive carbonaceous composition.
It was discovered by C. H. F. Peters on March 1, 1878, in Clinton, New York and named after Eunike, a Nereid in Greek mythology whose name means 'happy victory'. The name was chosen to celebrate the Treaty of San Stefano (1878).
Based upon photometric observations made between 2010 and 2014, this asteroid has a rotation period of 21.812 ± 0.001 hours and a brightness
variation of 0.08 ± 0.01 in magnitude. At opposition, the absolute magnitude was measured at 7.45 ± 0.01. It displays a hemispheric albedo dichotomy similar to that on 4 Vesta.〔
There have been three observed occultations of stars by Eunike.
==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「185 Eunike」の詳細全文を読む



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