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345 Tercidina : ウィキペディア英語版 | 345 Tercidina
345 Tercidina is a large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material. It was discovered by Auguste Charlois on November 23, 1892, in Nice. ==Size== Via asteroid occultations: Observations of an occultation of a bright 5.5 magnitude star on September 17, 2002, produced seventy-five chords indicating an ellipsoid of 111×90 km.〔 ((Chords) )〕 Observations of an occultation on November 15, 2005, near Grass Valley, CA, produced five chords indicating an incomplete outline of 126×111 km. This larger result may be caused by a different orientation of the asteroid as it passed in front of the star.
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