Английская Википедия:5026 Martes
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox planet
5026 Martes (prov. designation: Шаблон:Mp) is a carbonaceous asteroid from the inner region of the asteroid belt, approximately Шаблон:Convert in diameter. It was discovered on 22 August 1987, by Czech astronomer Antonín Mrkos at Kleť Observatory in the Czech Republic.[1] It is named after the two weasel-like animal species: pine marten and beech marten.[2]
Orbit and classification
Martes is the namesake member of a small asteroid family, named the Martes family.Шаблон:Citation needed It orbits the Sun in the inner main-belt at a distance of 1.8–3.0 AU once every 3 years and 8 months (1,339 days). Its orbit has an eccentricity of 0.24 and an inclination of 4° with respect to the ecliptic.[3]
A first precovery was taken at Palomar Observatory in 1953, extending the body's observation arc by 34 years prior to its official discovery observation at Klet.[1]
Naming
This minor planet was named for the two species of the family Mustelidae, the pine marten and beech marten. They also live in the forests near the discovering Kleť Observatory.[2] The official naming citation was published by the Minor Planet Center on 22 June 1999 (Шаблон:Small).[4]
Physical characteristics
Martes has been characterized as a carbonaceous C-type asteroid by PanSTARRSШаблон:' photometric survey.[5]
Asteroid pair
Martes forms an asteroid pair with Шаблон:Mp, and was part of the 35 sample asteroid pairs in Petr Pravec's study Formation of asteroid pairs by rotational fission, published in the journal Nature.[6]
Lightcurves
Between 2008 and 2010, several rotational lightcurves of Martes were obtained from photometric observations. Lightcurve analysis gave a well-defined rotation period of 4.4243 hours with a brightness amplitude of 0.69 magnitude (Шаблон:Small).[7][6][8][9]
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Martes measures 8.967 kilometers in diameter and its surface has an albedo of 0.066, which is typical for carbonaceous asteroids.[10] The Collaborative Asteroid Lightcurve Link, however, assumes a standard albedo for stony asteroids of 0.20 and consequently calculates a much smaller diameter of 4.93 kilometers, due to the higher albedo.[7]
References
External links
- (3428) Roberts, 3D Asteroid Catalogue
- Lightcurve Database Query (LCDB), at www.minorplanet.info
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (5001)-(10000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Erigone asteroids
- Martes asteroids
- Discoveries by Antonín Mrkos
- Named minor planets
- Astronomical objects discovered in 1987
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