Английская Википедия:1394 Algoa
1394 Algoa, provisional designation Шаблон:Mp, is a stony asteroid from the inner regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 12 June 1936, by English-born South-African astronomer Cyril Jackson at Union Observatory in Johannesburg, South Africa.[1] The asteroid was named after the historical Algoa Bay.[2]
Orbit and classification
Algoa orbits the Sun in the inner main-belt at a distance of 2.3–2.6 AU once every 3 years and 10 months (1,391 days). Its orbit has an eccentricity of 0.08 and an inclination of 3° with respect to the ecliptic.[3] Prior to its discovery observation in 1936, Algoa was identified as Шаблон:Mp and Шаблон:Mp at Lowell Observatory and Uccle Observatory, respectively. These observations, however, remained unused to extend the body's observation arc.[1]
Physical characteristics
In 2012, two rotational lightcurves of Algoa were obtained at the U.S. Etscorn Observatory, New Mexico, and at the Riverland Dingo Observatory, Australia. They gave a well-defined, concurring rotation period of 2.768 hours with a brightness variation of 0.20 and 0.21 magnitude, respectively (Шаблон:Small).[4][5] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony S-type asteroids of 0.20, and calculates a diameter of 14.2 kilometers with an absolute magnitude of 11.6.[6]
Naming
This minor planet was named after the historical Algoa Bay, located approximately 700 kilometers east of the Cape of Good Hope, South Africa.[2] The official Шаблон:MoMP was published by the Minor Planet Center in April 1953 (Шаблон:Small).[7]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
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