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1651 Behrens
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1651 Behrens : ウィキペディア英語版
1651 Behrens

1651 Behrens, provisional designation 1936 HD, is a stony asteroid and relatively slow rotator from the inner regions of the asteroid belt, about 10 kilometers in diameter. It was discovered by French female astronomer Marguerite Laugier at Nice Observatory in south-east France on 23 April 1936.〔 It was independently discovered by Karl Reinmuth at Heidelberg, Germany in the following month.〔
The S-type asteroid belongs to the Flora family, a large group of stony asteroids in the inner main-belt. It orbits the Sun at a distance of 2.0–2.3 AU once every 3.22 years (1,175 days). Its orbit shows an eccentricity of 0.07 and is tilted by 5 degrees to the plane of the ecliptic.〔 It has a rotation period of 34.34 hours〔 and an albedo of 0.30 and 0.24, as measured by the NEOWISE mission and estimated by the Lightcurve Database project, respectively.〔〔
According to a proposal by Otto Kippes, who verified the discovery, the asteroid was named after Johann Gerhard Behrens (1889–1978), German amateur astronomer and pastor at Detern, in lower Saxony, He was known for his orbit computations on comets and minor planets.〔
== References ==


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