4358 Lynn
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4358 Lynn, provisional designation Template:Mp, is a stony Eunomia asteroid from the central region of the asteroid belt, approximately 10 kilometers in diameter. It was discovered by British astronomer Philip Herbert Cowell at the Royal Greenwich Observatory on 5 October 1909.[1] It was named for William Lynn, an assistant astronomer at the discovering observatory.[2]
Orbit and classification
Lynn is a member of the Eunomia family, a large group of stony asteroids and the most prominent family in the intermediate main-belt. It orbits the Sun in the central main-belt at a distance of 2.2–3.1 AU once every 4 years and 3 months (1,538 days). Its orbit has an eccentricity of 0.17 and an inclination of 13° with respect to the ecliptic.[3] No precoveries or identifications were made prior to its discovery, and the asteroid's observation arc begins in 1909.[1]
Physical characteristics
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Lynn measures 9.1 kilometers in diameter and its surface has a high albedo of 0.307.[4] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for members of the Eunomia family of 0.21 and calculates a diameter of 10.5 kilometers with an absolute magnitude of 12.2.[5]
Lightcurve
In April 2009, a rotational lightcurve of Lynn was obtained from photometric observations made at the Oakley Southern Sky Observatory (E09Script error: No such module "Check for unknown parameters".) in Australia. Lightcurve analysis gave a well-defined rotation period of Script error: No such module "val". hours with a brightness variation of 0.60 in magnitude (U=3Script error: No such module "Check for unknown parameters".).[6]
Naming
This minor planet is named for William Thynne Lynn (1835–1911), who worked for many years as an assistant at the Royal Greenwich Observatory during the second half of the 19th century. He was also an author of various well received books and many short notes on astronomical topics, which were printed in The Observatory.[2] It was named by the Minor Planet Names Committee after a proposal by Brian G. Marsden.[1] The approved naming citation was published by the Minor Planet Center on 1 September 1993 (M.P.C. 22501Script error: No such module "Check for unknown parameters".).[7]
References
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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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