2829 Bobhope
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2829 Bobhope (prov. designation: Template:Mp) is a dark asteroid of the Meliboea family, from the outer region of the asteroid belt. It was discovered on 9 August 1948, by South African astronomer Ernest Leonard Johnson at Union Observatory in Johannesburg.[1] The asteroid was later named after comedian Bob Hope.[2] The asteroid has a rotation period of 6.1 hours and measures approximately Script error: No such module "convert". in diameter.
Orbit and classification
Bobhope is a member of the Meliboea family,[3] a smaller asteroid family of carbonaceous outer-belt asteroids with a few hundred members, named after 137 Meliboea.[4]Template:Rp It orbits the Sun in the outer main-belt at a distance of 2.5–3.7 AU once every 5 years and 5 months (1,985 days). Its orbit has an eccentricity of 0.19 and an inclination of 14° with respect to the ecliptic.[5] It was first observed as Template:Mp at the discovering observatory in May 1942, yet the astrometric data from this observation remained unused to extend its observation arc prior to the official discovery date.[1]
Naming
This minor planet was named for English-born, American comedian Bob Hope (1903–2003), star of innumerable feature film, theater, TV and radio productions, and known for the horror comedy Cat and the Canary (1939).[2] He hosted the Academy Awards more than any other host, and received several Honorary and Special Oscars himself. Hope also received more than forty honorary doctorates.[2] The Template:MoMP was published by the Minor Planet Center on 1 September 1993 (M.P.C. 22496Script error: No such module "Check for unknown parameters".).[6]
Physical characteristics
Bobhope has been characterized as a carbonaceous C-type asteroid,[7] which agrees with the overall spectral type of the Meliboea family.[4]Template:Rp
Rotation period
A rotational lightcurve of Bobhope was obtained from photometric observations by astronomer Landy Carbo at Oakley Southern Sky Observatory Template:Obscode, Australia, and at the U.S. Oakley Observatory in September 2008. It gave it a rotation period of Script error: No such module "val". hours with a brightness variation of Script error: No such module "val". magnitude (U=2Script error: No such module "Check for unknown parameters".).[8] A previously published lightcurve by French amateur astronomer Bernard Christophe gave a somewhat longer period of Script error: No such module "val". hours with an amplitude of 0.50 (U=2Script error: No such module "Check for unknown parameters".).[9]
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Bobhope measures between 32.14 and 40.98 kilometers in diameter and its surface has an albedo between 0.05 and 0.0916.[10][11][12][13][14] More dated NEOWISE publications gave a larger diameter of 41.361 and 44.8 kilometers, respectively.[15][16] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0586 and a diameter of 38.0 kilometers with an absolute magnitude of 10.8.[7]
References
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External links
- Lightcurve Database Query (LCDB), at www.minorplanet.info
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Geneva Observatory, 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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