1762 Russell
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1762 Russell, provisional designation Template:Mp, is a stony Koronian asteroid from the outer regions of the asteroid belt, approximately 16 kilometers in diameter. It was discovered by the Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, on 8 October 1953.[1] The asteroid was named after American astronomer Henry Norris Russell.[2]
Orbit and classification
Russell is a member of the Koronis family (605Script error: No such module "Check for unknown parameters".), a very large outer asteroid family with nearly co-planar ecliptical orbits.[3][4] It orbits the Sun in the outer main-belt at a distance of 2.7–3.1 AU once every 4 years and 11 months (1,781 days). Its orbit has an eccentricity of 0.08 and an inclination of 2° with respect to the ecliptic.[5]
The asteroid was first identified as Template:Mp at Lowell Observatory in June 1947. The body's observation arc begins with a precovery at Goethe Link Observatory in February 1950, more than 3 years prior to its official discovery observation.[1]
Physical characteristics
Russell is an assumed stony S-type asteroid, which agrees with the overall spectral type of the Koronis family.[3][6]Template:Rp
Rotation period
In April 2014, a rotational lightcurve of Russell was obtained from photometric observations at the Sonoita Research Observatory (G93Script error: No such module "Check for unknown parameters".) and Etscorn Campus Observatory (719Script error: No such module "Check for unknown parameters".). Lightcurve analysis gave a rotation period of 12.797 hours with a brightness variation of 0.46 magnitude (U=3-Script error: No such module "Check for unknown parameters".).[7]
Diameter and albedo
According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Russell measures between 16.576 and 17.033 kilometers in diameter and its surface has an albedo between 0.118 and 0.201.[8][9][10]
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 and calculates a diameter of 15.61 kilometers based on an absolute magnitude of 11.2.[3]
Naming
This minor planet was named after distinguished American astronomer Henry Norris Russell (1877–1957), noted for the H–R diagram and research on a variety of topics in fundamental astronomy, astrophysics, and the analysis of atomic spectra (see Russell–Saunders coupling).[2]
The official Template:MoMP was published by the Minor Planet Center on 20 February 1971 (M.P.C. 3143Script error: No such module "Check for unknown parameters".).[11] Russell is also honored by both a lunar and a Martian crater.[2]
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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