Английская Википедия:2012 UE34

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Шаблон:Use dmy dates Шаблон:Infobox planet

Шаблон:Mp is a sub-kilometer asteroid, classified as a near-Earth object of the Apollo group, approximately Шаблон:Convert in diameter. It was first observed on 18 October 2012, by Pan-STARRS at Haleakala Observatory on the island of Maui, Hawaii, in the United States.[1] The object was removed from the Sentry Risk Table on 29 December 2013.[2] On 8 April 2041 it will pass Earth at a nominal distance of Шаблон:Convert. Due to its presumed small size, it does not qualify as a potentially hazardous asteroid, despite its low Earth MOID.[3]

Orbit and classification

Шаблон:Mp is an Apollo asteroid, which are Earth-crossers and the largest subgroup in the near-Earth object population. It orbits the Sun at a distance of 0.996–1.22 AU once every 14 months (424 days; semi-major axis of 1.11 AU). Its orbit has an eccentricity of 0.10 and an inclination of 10° with respect to the ecliptic.[3] The body's observation arc begins with its official first observation at Haleakala in October 2012.[1]

Close encounters

Шаблон:Mp passed about Шаблон:Convert from Earth on 8 April 1991.[3] On 8 April 2041, the asteroid will pass about Шаблон:Convert from Earth. For comparison, the distance to the Moon is about 0.0026 AU (384,400 km).

It has an exceptionally low minimum orbital intersection distance with Earth of Шаблон:Convert, which translates into 0.36 lunar distances. Despite this exceptionally low theoretical distance, the asteroid is not listed as a potentially hazardous asteroid, due to its small size, represented by its proxy, an absolute magnitude of 23.3, which is below the defined threshold of 22 magnitude.[3]

Numbering and naming

This minor planet has not been numbered by the Minor Planet Center and remains unnamed.[1]

Physical characteristics

Based on a generic magnitude-to-diameter conversion, Шаблон:Mp measures 66 meters in diameter, for an absolute magnitude of 23.3 and an assumed albedo of 0.20, which is typical for stony S-type asteroids. In the unusual case of being a carbonaceous asteroid with a low albedo of 0.05, Шаблон:Mp may be as large as 130 meters in diameter.[4]

References

Шаблон:Reflist

External links

Шаблон:S-start Шаблон:S-bef Шаблон:S-ttl Шаблон:S-aft Шаблон:End

Шаблон:Small Solar System bodies Шаблон:Authority control

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Разное

  1. ↑ 1,0 1,1 1,2 Ошибка цитирования Неверный тег <ref>; для сносок MPC-object не указан текст
  2. ↑ Ошибка цитирования Неверный тег <ref>; для сносок removed не указан текст
  3. ↑ 3,0 3,1 3,2 3,3 Ошибка цитирования Неверный тег <ref>; для сносок jpldata не указан текст
  4. ↑ Ошибка цитирования Неверный тег <ref>; для сносок h не указан текст
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