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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 1877 Marsden ： ウィキペディア英語版 1877 Marsden 1877 Marsden, provisional designation 1971 FC, is a carbonaceous asteroid from the outer region of the asteroid belt, about 35 kilometers in diameter. It was discovered by Cornelis van Houten and I. van Houten-Groeneveld at Leiden, on photographic plates taken by Tom Gehrels at Palomar Observatory, California on 24 March 1971.〔 It is a member of the Hilda family of asteroids. It orbits the Sun at a distance of 3.1–4.8 AU once every 7 years and 10 months (2,855 days). It has a rotation period of 14.4 hours.〔 The albedo of the C-type asteroid is in the range of 0.06 to 0.08.〔〔 It is named in honor of British astronomer Brian Geoffrey Marsden (1937–2010), director of the Minor Planet Center at the Harvard-Smithsonian Center for Astrophysics, in recognition of his numerous contributions in the field of orbit calculations for comets and minor planets.〔 The discovery was made in a survey of faint Trojans. The trio of Dutch and Dutch–American astronomers also collaborated on the productive Palomar–Leiden survey in the 1960s, using the same procedure as for this (smaller) survey: Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Cornelis and Ingrid van Houten at Leiden Observatory where astrometry was carried out. == 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「1877 Marsden」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.