Английская Википедия:(468861) 2013 LU28

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Шаблон:Use dmy dates

Шаблон:Infobox planet

Шаблон:Mp, provisional designation Шаблон:Mp is a highly eccentric trans-Neptunian object, retrograde centaur and damocloid from the outer regions of the Solar System. It was discovered on 8 June 2013 by astronomers with the Mount Lemmon Survey at the Mount Lemmon Observatory in Arizona, United States.[1] The object is unlikely a dwarf planet as it measures approximately Шаблон:Convert in diameter.[2][3] It was numbered in 2016 and has not been named since.

Orbit and classification

Шаблон:Mp orbits the Sun at a distance of 8.7–353.1 AU once every 2434 years (888,879 days; semi-major axis of 180.92 AU). Its orbit has an exceptionally high eccentricity of 0.95 and an inclination of 125° with respect to the ecliptic.[4] The body's observation arc begins with its official discovery observation at Mount Lemmon in June 2013.[1]

TNO, centaur and damocloid

With a semi-major axis larger than that of Neptune, Шаблон:Mp is generically classified as a trans-Neptunian object.[4] It is also considered an (extended) centaur, due to its eccentric orbit with a low perihelion of 8.7 AU and a higher-than-90°-inclination, which gives it a retrograde orbit.[5][2] There are only about a hundred known retrograde minor planets out of nearly 800,000 observed bodies, and, together with Шаблон:Mpl- and Шаблон:Mpl, it is among the largest such objects.[5] Шаблон:Mp also meets the orbital definition for being a damocloid, a cometary-like object without a coma or tail and a Tisserand's parameter with respect to Jupiter of less than 2 besides a retrograde orbit.

Numbering and naming

This distant minor planet was numbered by the Minor Planet Center on 20 June 2016 (Шаблон:Small).[6] As of 2018, it has not been named.[1]

Physical characteristics

Diameter and albedo

According to the Johnston's archive and astronomer Michael Brown, Шаблон:Mp measures 106 and 114 kilometers in diameter, based on an absolute magnitude of 8.1 and an assumed albedo for the body's surface of 0.08 and 0.09, respectively.[2][3] According to Brown, Шаблон:Mp is "probably not" a dwarf planet.[3] As of 2018, no physical characteristics have been determined from photometric observations. The body's rotation period, pole and shape remain unknown.[4][7]

References

Шаблон:Reflist

External links

Шаблон:Trans-Neptunian objects Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control

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  1. ↑ 1,0 1,1 1,2 Ошибка цитирования Неверный тег <ref>; для сносок MPC-object не указан текст
  2. ↑ 2,0 2,1 2,2 Ошибка цитирования Неверный тег <ref>; для сносок johnstonsarchive-TNO-list не указан текст
  3. ↑ 3,0 3,1 3,2 Ошибка цитирования Неверный тег <ref>; для сносок Brown-dplist не указан текст
  4. ↑ 4,0 4,1 4,2 Ошибка цитирования Неверный тег <ref>; для сносок jpldata не указан текст
  5. ↑ 5,0 5,1 Ошибка цитирования Неверный тег <ref>; для сносок Fuente-Marcos-2014 не указан текст
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок MPC-Circulars-Archive не указан текст
  7. ↑ Ошибка цитирования Неверный тег <ref>; для сносок lcdb не указан текст
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