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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク 60558 Echeclus ： ウィキペディア英語版 60558 Echeclus 60558 Echeclus is a centaur in the outer Solar System. It was discovered by Spacewatch in 2000 and initially classified as a minor planet with provisional designation (also written 2000 EC98). Research in 2001 by Rousselot and Petit at the Besançon observatory in France showed no evidence of cometary activity, but in late December 2005 a cometary coma was detected. In early 2006 the Committee on Small Bodies Nomenclature (CSBN) gave it the cometary designation 174P/Echeclus. It next comes to perihelion in April 2015,〔 and is expected to reach about apparent magnitude 16.7 near opposition in September 2015.〔 == Name == ''Echeclus'' ((ギリシア語:''Έχεκλος'')) is a centaur in Greek mythology. 60558 Echeclus is only the second comet (after Chiron) that was named as an asteroid, rather than after the name of its discoverer. Chiron is also a centaur; other centaurs are being observed for signs of a cometary coma. Besides Chiron, three other objects are cross-listed as both comets and asteroids: 7968 Elst–Pizarro (133P/Elst–Pizarro), 4015 Wilson–Harrington (107P/Wilson–Harrington), and 118401 LINEAR (176P/LINEAR).〔(Dual-Status Objects )〕 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「60558 Echeclus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.