7553 Buie
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7553 Buie (Template:IPAc-en), provisional designation Template:Mp, is a Nysa asteroid from the inner regions of the asteroid belt, approximately Script error: No such module "convert". in diameter. It was discovered on 30 March 1981, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station near Flagstaff, Arizona.[1] The stony S-type asteroid has a rotation period 4.2 hours an possibly an elongated shape.[2] It was named after American astronomer Marc Buie.[3]
Orbit and classification
Buie is a core member of the Nysa family (405Script error: No such module "Check for unknown parameters".),[4] also known as the Herta family,[5] located within the Nysa–Polana complex. It is one of the largest asteroid families of the asteroid belt and named after 44 Nysa.[6]
It orbits the Sun in the inner main-belt at a distance of 2.0–2.7 AU once every 3 years and 8 months (1,351 days; semi-major axis of 2.39 AU). Its orbit has an eccentricity of 0.15 and an inclination of 3° with respect to the ecliptic.[7] A first precovery was taken at the Palomar Observatory in December 1950, extending the asteroid's observation arc by 31 years prior to its discovery.[1]
Naming
This minor planet was named in honor of American Marc William Buie (born 1958), an astronomer at the discovering Lowell Observatory and a prolific discoverer of minor planets including several trans-Neptunian objects. His contributions to planetary astronomy also include research on the moons of Pluto and the development of widely used astronomical software.[3] The official naming citation was published by the Minor Planet Center on 28 July 1999 (M.P.C. 35486Script error: No such module "Check for unknown parameters".).[8]
Physical characteristics
Buie has been characterized as a stony S-type asteroid by PanSTARRS photometric survey.[2][9] It is also an S-type in the SDSS-based taxonomy,[10] and agrees with the overall spectral type of the Nysa family.
Rotation period
In September 2012, a rotational lightcurve of Buie was obtained from photometric observations made at the Palomar Transient Factory, California. In the R-band, it gave a rotation period of Script error: No such module "val". hours with a brightness variation of 0.51 magnitude, while in the SG-Band the period was Script error: No such module "val". hours with an amplitude of 0.53 magnitude (U=2/2Script error: No such module "Check for unknown parameters".).[2][11] A high brightness variation typically indicates a non-spherical shape.
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Buie measures 3.4 kilometers in diameter and its surface has an albedo of 0.259,[12][13] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 3.92 kilometers using an absolute magnitude of 14.4.[2]
References
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External links
- Asteroid Lightcurve Database (LCDB), query form (info Template:Webarchive)
- Dictionary of Minor Planet Names, Google books
- 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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