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1565 Lemaître
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1565 Lemaître : ウィキペディア英語版
1565 Lemaître

1565 Lemaître, provisional designation 1948 WA, is an eccentric, stony asteroid and sizable Mars-crosser from the inner regions of the asteroid belt, about 8 kilometers in diameter. It was discovered by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle, on 25 November 1948.〔
The S-type asteroid, classified as a Sq-subtype in the SMASS taxonomy, is a member of the Phocaea family. It orbits the Sun at a distance of 1.6–3.2 AU once every 3 years and 8 months (1,352 days). Its orbit shows an eccentricity of 0.35 and is tilted by 21 degrees to the plane of the ecliptic. It has a rotation period of 11.4 hours〔 and an albedo of 0.33 and 0.23, based on results from the Japanese Akari survey and on assumptions made by the Collaborative Asteroid Lightcurve Link, respectively.〔〔
The minor planet was named in honour of Belgian priest, astronomer and professor of physics, Georges Lemaître (1894–1966), widely regarded as the father of the Big Bang theory. The lunar crater ''Lemaître'' also bears his name. The asteroid ''1565 Lemaître'' was the first minor planet to be numbered after the end of World War II.〔
== References ==


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