Английская Википедия:2143 Jimarnold
Шаблон:Use dmy dates Шаблон:Infobox planet
2143 Jimarnold, provisional designation Шаблон:Mp, is a background asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 26 September 1973, by astronomer Eleanor Helin at the Palomar Observatory in California, United States.[1] The asteroid was named after American cosmochemist, James R. Arnold.[2]
Orbit and classification
Jimarnold is a non-family asteroid from the main belt's background population.[3] It orbits the Sun in the inner asteroid belt at a distance of 1.7–2.8 AU once every 3 years and 5 months (1,258 days; semi-major axis of 2.28 AU). Its orbit has an eccentricity of 0.23 and an inclination of 8° with respect to the ecliptic.[4]
The body's observation arc begins with a precovery taken at Palomar in April 1954, almost two decades prior to its official discovery observation.[1]
Physical characteristics
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Jimarnold measures 4.934 kilometers in diameter and its surface has an albedo of 0.138.[5]
Rotation period
As of 2017, no rotational lightcurve of Jimarnold has been obtained from photometric observations. The body's rotation period, poles and shape remain unknown.[4][6]
Naming
This minor planet was named after James R. Arnold (1923–2012), professor of chemistry and director of California Space Science Institute at the University of California, San Diego. Arnold's cosmochemical research included the study of cosmic radiation, the origin of meteorites, for which he developed a computer model, the lunar soil and mapping of the Moon's composition.[2] The official Шаблон:MoMP was proposed by the discoverer and Eugene Shoemaker, and published by the Minor Planet Center on 1 July 1979 (Шаблон:Small).[7]
In 2013, Arnold's son proposed that the interrobang ‽ be used as a symbol for the asteroid, reflecting his father's curiosity and his "insistence upon working with the resulting reality."[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 (1)-(5000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
- ↑ 1,0 1,1 Ошибка цитирования Неверный тег
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<ref>; для сносокDoMP-Circular-datesне указан текст - ↑ Ken Arnold, "Symbol for an asteroid?", Eclectifying, 25 February 2013.[1]
- Английская Википедия
- Background asteroids
- Discoveries by Eleanor F. Helin
- Named minor planets
- Astronomical objects discovered in 1973
- Страницы, где используется шаблон "Навигационная таблица/Телепорт"
- Страницы с телепортом
- Википедия
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