Английская Википедия:11824 Alpaidze
11824 Alpaidze, provisional designation Шаблон:Mp, is a stony background asteroid from the middle region of the asteroid belt, approximately Шаблон:Convert in diameter. It was discovered on 16 September 1982, by Russian astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory, Nauchnyj, on the Crimean peninsula. The asteroid was named for Soviet General Galaktion Alpaidze.[1]
Orbit and classification
Alpaidze is a non-family asteroid from the main belt's background population. It orbits the Sun in the central main-belt at a distance of 1.8–3.4 AU once every 4 years and 3 months (1,563 days). Its orbit has an eccentricity of 0.31 and an inclination of 2° with respect to the ecliptic.[2] It was first identified as Шаблон:Mp at Palomar Observatory in November 1978. The body's observation arc, however, begins with its official discovery observation.[1]
Naming
This minor planet was named after Georgian-born Soviet Lieutenant General Galaktion Alpaidze (1916–2006), Hero of the Soviet Union and laureate of the USSR State Prize. He was the head of the Plesetsk Cosmodrome in the 1960s and 1970s, where space crafts were tested. During his supervision, the Cosmodrome became the world's most active launch site in the world.[1] The official naming citation was published by the Minor Planet Center on 2 April 2007 (Шаблон:Small).[3]
Physical characteristics
Lightcurves
In September 2009, two rotational lightcurves of Alpaidze were obtained from photometric observations made by astronomers at the Palomar Transient Factory, California. The fragmentary lightcurves gave a rotation period of Шаблон:Val and Шаблон:Val hours with a brightness variation of 0.05 and 0.06 in magnitude, respectively (Шаблон:Small).[4]
Diameter and albedo
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.10 – a compromise value between the stony (0.20) and carbonaceous (0.057) albedos for unknown asteroids in the 2.6–2.7 AU region of the main-belt – and calculates a diameter of 4.8 kilometers with an absolute magnitude of 14.7.[5]
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 (10001)-(15000) – 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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