2328 Robeson
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2328 Robeson, 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 19 April 1972, by astronomer Soviet–Russian Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula.[1] It was named after American actor and singer Paul Robeson.[2] The C/X-type asteroid has a rotation period of 18.6 hours.[3]
Orbit and classification
Robeson is a non-family asteroid from the main belt's background population.[4] It orbits the Sun in the inner main-belt at a distance of 2.0–2.7 AU once every 3 years and 7 months (1,308 days; semi-major axis of 2.34 AU). Its orbit has an eccentricity of 0.15 and an inclination of 10° with respect to the ecliptic.[5] The body's observation arc begins with its official discovery observation at Nauchnij in April 1972.[1]
Physical characteristics
In the SMASS classification Robeson is a carbonaceous C-type asteroid.[5] It has also been characterized as an X-type asteroid by Pan-STARRSTemplate:' photometric survey.[6]
Rotation period
In December 2006, a rotational lightcurve of Robeson was obtained from photometric observations at the Leura Template:Obscode and Hunters Hill Template:Obscode observatories in Australia. Lightcurve analysis gave a rotation period of 18.632 hours with a brightness amplitude of 0.20 magnitude (U=2+Script error: No such module "Check for unknown parameters".).[7]
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Robeson measures between 11.75 and 13.30 kilometers in diameter and its surface has an albedo between 0.06 and 0.1281.[8][9][10][11][12]
The Collaborative Asteroid Lightcurve Link assumes it to be a stony asteroid with a standard albedo of 0.20 and calculates a diameter of 7.46 kilometers based on an absolute magnitude of 13.0.[3]
Naming
This minor planet was named after in memory of African-American singer and actor Paul Robeson (1898–1976).[2] The official naming citation was published by the Minor Planet Center on 8 February 1982 (M.P.C. 6648Script error: No such module "Check for unknown parameters".).[13]
References
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- ↑ Script error: No such module "Citation/CS1". (online, AcuA catalog p. 153)
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External links
- Asteroid Lightcurve Database (LCDB), query form (info Script error: No such module "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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