Английская Википедия:2016 NL56
Шаблон:Use dmy dates Шаблон:Infobox planet
Шаблон:Mp (also written 2016 NL56) is a near-Earth object (NEO) and a potentially hazardous object (PHA), meaning that it has an orbit that can make close approaches to the Earth and large enough to cause significant regional damage in the event of impact. It is an Apollo asteroid, meaning that it is an Earth-crossing asteroid that has an orbit larger than the orbit of the Earth. It was first observed on 12 July 2016, when the asteroid was more than 1 AU from Earth[1] and had a solar elongation of 163 degrees.[2]
This asteroid had been a lost asteroid until its rediscovery as, and identification with Шаблон:Mp, in July 2021.[3][4] With additional observations recovered dating back as far as August 2001, the object's previously short observation arc of 2.8 days has been extended to almost 20 years, and its roughly calculated orbit has become secure with an uncertainty parameter of 1.[1][5] It orbits the Sun at a distance of 0.6–2.2 AU once every 20 months (609 days; semi-major axis of 1.41 AU). Its orbit has a high eccentricity of 0.54 and an inclination of 5° with respect to the ecliptic.[5] Based on a generic magnitude-to-diameter conversion, Шаблон:Mp measures approximately Шаблон:Convert in diameter, for an absolute magnitude of 20.9 and an albedo of 0.14.[6][7]
This asteroid has been in both the Risk List[6] of the European Space Agency (ESA) - Space Situational Awareness (SSA) and in the Sentry List[8] of the Jet Propulsion Laboratory (JPL) - Center for Near Earth Object Studies (CNEOS). On 21 July 2021, this object was removed from the Sentry List,[9] where it was previously listed with the highest Palermo Technical Impact Hazard Scale value due to a possible close encounter with Earth on 5 September 2024.[10]
On 28 February 2122, Шаблон:Mp will make its closest encounter with Earth at a nominal distance of Шаблон:Convert. Two hours later, it will pass the Moon at a nominal distance of Шаблон:Convert.[11] On 11 May 2148, the asteroid will also approach Mars at a nominal distance of Шаблон:Convert.[11]
See also
References
External links
Шаблон:Small Solar System bodies Шаблон:Authority control
- ↑ 1,0 1,1 Ошибка цитирования Неверный тег
<ref>; для сносокMPC-objectне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокjpl_horizonsне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокMPEC 2021-O34не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокneodys_080420-Riskне указан текст - ↑ 5,0 5,1 Ошибка цитирования Неверный тег
<ref>; для сносокjpldataне указан текст - ↑ 6,0 6,1 Ошибка цитирования Неверный тег
<ref>; для сносокssa_080420не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокhне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокcneos_080420не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокSentry-Removedне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокsentry_080420не указан текст - ↑ 11,0 11,1 Ошибка цитирования Неверный тег
<ref>; для сносокjpldata-closeне указан текст
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