Английская Википедия:79912 Terrell
Шаблон:Use dmy dates Шаблон:Infobox planet
79912 Terrell, provisional designation Шаблон:Mp, is a dark Adeonian asteroid from the central regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 10 February 1999, by astronomers Walter Cooney and Ethan Kandler at the Highland Road Park Observatory, in Baton Rouge, Louisiana, United States.[1] The asteroid was named after American astrophysicist Dirk Terrell.[2]
Orbit and classification
Terrell is a member of the Adeona family (Шаблон:Small),[3] a large family of carbonaceous asteroids in the central main belt, named after 145 Adeona.[4]Шаблон:Rp
It orbits the Sun at a distance of 2.2–3.1 AU once every 4 years and 5 months (1,599 days). Its orbit has an eccentricity of 0.16 and an inclination of 11° with respect to the ecliptic.[5] The body's observation arc begins with its identification as Шаблон:Mp by AMOS at Haleakala Observatory in August 1996, more than two years prior to its official discovery observation at Baton Rouge.[1]
Physical characteristics
The asteroid's spectral type is unknown. Members of the Adeona family are typically carbonaceous C-type asteroids,[4]Шаблон:Rp which TerrellШаблон:'s albedo (see below) agrees with.
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Terrell measures 6.340 kilometers in diameter and its surface has a low albedo of 0.053.[6]
Rotation period
As of 2017, no rotational lightcurve of Terrell has been obtained from photometric observations. The asteroid's rotation period, poles and shape remain unknown.[7]
Naming
This minor planet was named after American Dirk Terrell (born 1965), an astrophysicist, writer, space artist, and mentor of amateur astronomers.[2] The official naming citation was published by the Minor Planet Center on 18 September 2005 (Шаблон:Small).[8]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (75001)-(80000) – 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
- Adeona asteroids
- Discoveries by Walter R. Cooney Jr.
- Discoveries by Ethan Kandler
- Named minor planets
- Astronomical objects discovered in 1999
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