Английская Википедия:34351 Decatur
Шаблон:Use dmy dates Шаблон:Infobox planet
34351 Decatur, provisional designation Шаблон:Mp, is a Koronis asteroid from the outer region of the asteroid belt, approximately Шаблон:Convert in diameter. It was discovered on 3 September 2000, by American amateur astronomer Loren Ball at his Emerald Lane Observatory in Alabama, United States.[1] The Q-type asteroid was named after the city of Decatur, location of the discovering observatory.[2]
Orbit and classification
Decatur is a member of the Koronis family (Шаблон:Small),[3] a very large outer asteroid family with nearly co-planar ecliptical orbits.[4] It orbits the Sun in the outer main-belt at a distance of 2.7–3.2 AU once every 5 years and 1 month (1,847 days; semi-major axis of 2.95 AU). Its orbit has an eccentricity of 0.07 and an inclination of 1° with respect to the ecliptic.[5] The asteroid's observation arc begins 8 years prior to its official discovery observation, with a precovery taken by the Steward Observatory's Spacewatch survey at Kitt Peak in January 1992.[1]
Naming
This minor planet was named after the city of Decatur in the U.S. state of Alabama, location of the discovering observatory and home of the discoverer. Decatur is located near NASA's Marshall Space Flight Center.[2] The official naming citation was published by the Minor Planet Center on 27 April 2002 (Шаблон:Small).[6]
Physical characteristics
In the SDSS-based taxonomy, Decatur is a Q-type asteroid,[3][7] while members of the Koronis family are typically S-type asteroid.[4]Шаблон:Rp According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Decatur measures 3.54 kilometers in diameter and its surface has an albedo of 0.224.[8]
Rotation period
As of 2018, no rotational lightcurve of Decatur has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.[5][9]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (30001)-(35000) – 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
- Koronis asteroids
- Discoveries by Loren C. Ball
- Named minor planets
- Astronomical objects discovered in 2000
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