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1626 Sadeya
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1626 Sadeya : ウィキペディア英語版
1626 Sadeya

1626 Sadeya, provisional designation 1927 AA, is an eccentric, stony asteroid with a tilted orbit from the inner regions of the asteroid belt. It was discovered on 10 January 1927 at Fabra Observatory in Barcelona by Spanish astronomer of Catalan origin, Josep Comas i Solà.〔
The asteroid is a member of the Phocaea family and measures about 15 kilometers in diameter. It orbits the Sun at a distance of 1.7–3.0 AU once every 3.63 years (1,327 days). Its orbit shows a high eccentricity of 0.27 and is heavily tilted by 25 degrees towards the plane of the ecliptic. It has a rotation period of 3.42 hours.〔〔〔 While observations by the space-based Akari and WISE/NEOWISE mission found an exceptionally high albedo of about 0.50 for the S-type asteroid, the Lightcurve Database project assumes a much lower value of 0.23.〔
The minor planet was named after the ''Spanish and American Astronomical Society'' ((スペイン語:Sociedad Astrónomica de España y América)), also known by its acronym "Sadeya". It was founded by Comas i Solà, who also was its first president.〔
== 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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