Английская Википедия:15460 Manca
15460 Manca, provisional designation Шаблон:Mp, is a Koronian asteroid from the outer region of the asteroid belt, approximately 5 kilometers in diameter.
The asteroid was discovered on 25 December 1998, by Italian astronomers Andrea Boattini and Luciano Tesi at Pistoia Mountains Astronomical Observatory in San Marcello Pistoiese, central Italy.[1] It was named for Italian amateur astronomer Francesco Manca.[2]
Orbit and classification
Manca belongs to the Koronis family, a family of stony asteroids in the outer main-belt with nearly ecliptical orbits. It orbits the Sun at a distance of 2.6–3.2 AU once every 4 years and 12 months (1,810 days). Its orbit has an eccentricity of 0.09 and an inclination of 3° with respect to the ecliptic.[3]
The asteroid's observation arc begins 48 years prior to its official discovery observation, with a precovery taken at the Palomar Observatory in March 1950.[1]
Physical characteristics
Manca has also been characterized as an X-type asteroid by Pan-STARRSШаблон:' photometric survey.[4]
Rotation period
In August 2012, a rotational lightcurve was obtained for Manca from photometric observations made at the Palomar Transient Factory, California. It gave it a rotation period of Шаблон:Val hours with a brightness variation of 0.22 magnitude (Шаблон:Small).[5]
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Manca measures 5.35 kilometers in diameter and its surface has an albedo of 0.295.[6][7] The Collaborative Asteroid Lightcurve Link assumes a stony standard albedo for members of the Koronis family of 0.24, and calculates a diameter of 5.17 kilometers with an absolute magnitude of 13.6.[8]
Naming
This minor planet was named for Italian amateur astronomer Francesco Manca (born 1966), member of the "Gruppo Astrofili Brianza" and an active observer of near-Earth objects, and potentially hazardous asteroids in particular, at Sormano Astronomical Observatory in northern Italy.[2] The official naming citation was published by the Minor Planet Center on 13 October 2000 (Шаблон:Small).[9]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Minor Planet (15460) Manca, animation of CCD images
- Sormano Astronomical Observatory, IAU code 587
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (15001)-(20000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
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- Английская Википедия
- Koronis asteroids
- Discoveries by Andrea Boattini
- Discoveries by Luciano Tesi
- Named minor planets
- Astronomical objects discovered in 1998
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