5430 Luu
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5430 Luu, provisional designation Template:Mp, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 12 May 1988, by American astronomer couple Carolyn and Eugene Shoemaker at Palomar Observatory, California, and later named after astronomer Jane Luu.[1][2]
Orbit and classification
Luu is a member of the Phocaea family (701Script error: No such module "Check for unknown parameters".).[3] It orbits the Sun in the inner main-belt at a distance of 1.8–2.9 AU once every 3 years and 8 months (1,328 days). Its orbit has an eccentricity of 0.22 and an inclination of 24° with respect to the ecliptic.[4] The first precovery was taken at Crimea–Nauchnij in 1970, extending the asteroid's observation arc by 18 years prior to its discovery.[2]
Physical characteristics
Luu has been characterized as a common S-type asteroid.[5]
Rotation period
In April 2006, photometric observations of Luu collected by American astronomer Brian D. Warner at his Palmer Divide Station, Colorado, show 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".).[6] A second, tentative lightcurve was obtained by French astronomer René Roy in July 2007. It gave a period of Script error: No such module "val". hours and an amplitude of 0.05 in magnitude (U=2-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 NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Luu measures 6.5 and 8.3 kilometers in diameter and its surface has an albedo between 0.21 and 0.26.[8][9][10][11]
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.23 – derived from 25 Phocaea, the family's most massive member and namesake – and calculates a diameter of 7.6 kilometers with an absolute magnitude of 12.8.[5]
Naming
This minor planet is named in honor of Vietnamese-American astronomer Jane X. Luu (born 1963) for her research and discovering the first and subsequent members of the Kuiper Belt.[12] She also studied the physical properties of these bodies and the coma of potentially Extinct comets.[1] The approved naming citation was published by the Minor Planet Center on 1 July 1996 (M.P.C. 27459Script 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
- Lightcurve plot of 5430 Luu, Palmer Divide Observatory, B. D. Warner (2006)
- 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 (5001)-(10000) – Minor Planet Center
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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