19763 Klimesh
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19763 Klimesh (provisional designation Template:Mp) is a stony Phocaea asteroid and slow rotator from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. Discovered by NEAT at Haleakala Observatory in 2000, the asteroid was named for NEAT's software specialist Matthew Klimesh.[1]
Discovery
Klimesh was discovered on 18 June 2000, by NASA's and JPL's Near-Earth Asteroid Tracking program (NEAT) with the Maui Space Surveillance System (MSSS) at the Haleakala Observatory site on the island of Maui, Hawaii, in the United States.[2] The body's observation arc begins 15 years prior to its official discovery observation, with a precovery from the Digitized Sky Survey taken at the Australian Siding Spring Observatory in September 1985.[2]
Orbit and classification
This asteroid is a member of the Phocaea family (701Script error: No such module "Check for unknown parameters".),[3] a group of asteroids with similar orbital characteristics. It orbits the Sun in the inner main-belt at a distance of 1.9–2.9 AU once every 3 years and 8 months (1,350 days). Its orbit has an eccentricity of 0.20 and an inclination of 23° with respect to the ecliptic.[4]
Physical characteristics
Klimesh has been characterized as a stony S-type asteroid.[5] It possibly rotates chaotically.[5]
Slow rotator
Klimesh is a slow rotator, as it has a rotation period of 101 hours with a brightness variation of Script error: No such module "val". magnitude. The photometric observations were made by Czech astronomer Petr Pravec at the Ondřejov Observatory during the asteroid's 2011-opposition (U=2Script error: No such module "Check for unknown parameters".).Template:Efn
The result supersedes a period of 4.4 hours with an amplitude of 0.12, obtained from a fragmentary lightcurve by Italian astronomer Silvano Casulli (U=1Script error: No such module "Check for unknown parameters".).[6]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Klimesh has a diameter of 5.65 and 7.27 kilometers with an albedo of 0.24 and 0.175, respectively.[7][8][9] The Collaborative Asteroid Lightcurve Link adopts Petr Pravec's revised WISE-data, that is, an albedo of 0.1635 and a diameter of 7.29 kilometers with an absolute magnitude of 13.27.[5][10]
Naming
This minor planet was named after JPL researcher Matthew Klimesh (born 1968), developer of the compression algorithm used for handling the vast amount of data obtained by the discovering NEAT program. Since 1996 at JPL's Communications Systems and Research Section, his work includes data compression, rate–distortion theory and channel coding.[1] The official naming citation was published by the Minor Planet Center on 9 May 2001 (M.P.C. 42677Script error: No such module "Check for unknown parameters".).[11]
References
References
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External links
- Ondrejov Asteroid Photometry Project, Pravec, P.; Wolf, M.; Sarounova, L. (2011)
- 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 (15001)-(20000) – Minor Planet Center
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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