4760 Jia-xiang
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4760 Jia-xiang, provisional designation Template:Mp, is a background asteroid from the inner regions of the asteroid belt, approximately Script error: No such module "convert". in diameter. It was discovered on 1 April 1981, by astronomers at Harvard University's Oak Ridge Observatory in Massachusetts, United States.[1] The presumed stony S-type asteroid was named after Chinese astronomer Zhang Jiaxiang. It has a rotation period of 14.96 hours.Template:EfnTemplate:Efn
Orbit and classification
Jia-xiang is a non-family asteroid from the main belt's background population.[2] It orbits the Sun in the inner main-belt at a distance of 2.0–2.6 AU once every 3 years and 7 months (1,296 days; semi-major axis of 2.33 AU). Its orbit has an eccentricity of 0.13 and an inclination of 10° with respect to the ecliptic.[3] The body's observation arc begins with a precovery taken at Palomar Observatory in January 1955, or 26 years prior to its official discovery observation at Oak Ridge.[1]
Physical characteristics
Rotation period
In 2017, two rotational lightcurves of Jia-xiang were obtained from photometric observations by Czech astronomer Petr Pravec at Ondřejov Observatory. Lightcurve analysis gave a rotation period of 14.96 and 14.9601 hours with a brightness amplitude of 0.55 and 0.63 magnitude, respectively (U=3/3Script error: No such module "Check for unknown parameters".).Template:EfnTemplate:Efn
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Jia-xiang measures between 4.79 and 5.16 kilometers in diameter and its surface has an albedo between 0.13 and 0.2275.[4][5][6][7]
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.20 and calculates a diameter of 4.71 kilometers based on an absolute magnitude of 14.0.[8]
Naming
This minor planet was named after Chinese astronomer Zhang Jiaxiang (born 1932).[1] The official naming citation was published by the Minor Planet Center on 21 November 1991 (M.P.C. 19339Script error: No such module "Check for unknown parameters".).[9]
Notes
References
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External links
- Asteroid Lightcurve Database (LCDB), query form (info Template: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
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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