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・ 166th Airlift Wing
・ 166th Aviation Brigade (United States)
・ 166th Battalion (Queen's Own Rifles of Canada), CEF
・ 166th meridian
・ 166th meridian east
・ 166th meridian west
・ 166th New York State Legislature
・ 166th Ohio Infantry
・ 166th Street (IRT Third Avenue Line)
・ 167
・ 167 (number)
・ 167 Avenue, Edmonton
・ 167 BC
・ 167 Catering Support Regiment RLC
・ 167 series
167 Urda
・ 1670
・ 1670 AM
・ 1670 Broadway
・ 1670 in art
・ 1670 in Denmark
・ 1670 in England
・ 1670 in France
・ 1670 in Ireland
・ 1670 in literature
・ 1670 in music
・ 1670 in Norway
・ 1670 in poetry
・ 1670 in science
・ 1670 in Sweden


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167 Urda : ウィキペディア英語版
167 Urda

167 Urda is a main-belt asteroid that was discovered by German-American astronomer Christian Heinrich Friedrich Peters on August 28, 1876, in Clinton, New York, and named after Urd, one of the Norns in Norse mythology. In 1905, Austrian astronomer Johann Palisa showed that the asteroid varied in brightness.〔
Photometric observations of this asteroid at the Palmer Divide Observatory in Colorado Springs, Colorado, during 2007–8 gave a light curve with a period of 13.06133 ± 0.00002 hours.〔 This S-type asteroid is a member of the Koronis family of asteroids that share similar orbital elements.〔
In 2002, a diameter estimate of 37.93 ± 3.17 km was obtained from the Midcourse Space Experiment observations, with an albedo of 0.2523 ± 0.0448.〔
A stellar occultation by Urda was observed from Japan on July 23, 2001.
==References==




抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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