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1428 Mombasa : ウィキペディア英語版 | 1428 Mombasa
1428 Mombasa, provisional designation 1937 NO, is a large asteroid from the outer region of the asteroid belt, about 57 kilometers in diameter. It was discovered by English-born South African astronomer Cyril Jackson at Union Observatory, Johannesburg on 5 July 1937.〔 The X-type asteroid orbits the Sun at a distance of 2.4–3.2 AU once every 4 years and 9 months (1,724 days). Its orbit shows an eccentricity of 0.14 and is tilted by 17 degrees to the plane of the ecliptic. It has a rotation period of about 17 hours and a very low albedo of between 0.01 and 0.04, according to the surveys carried out by IRAS, Akari, WISE and NEOWISE.〔〔〔〔 The minor planet was named after Mombasa, chief-port on the coast of Kenya and its second largest city.〔 == References ==
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