Английская Википедия:(276033) 2002 AJ129
Шаблон:Use dmy dates Шаблон:Infobox planet
Шаблон:Mp, provisional designation Шаблон:Mp, is a Mercury-crossing asteroid. It has the ninth-smallest perihelion of all numbered asteroids, after asteroids such as Шаблон:Mpl-, Шаблон:Mpl-, and Шаблон:Mpl-.[1] It makes close approaches to all of the inner planets[2] and asteroid 4 Vesta.[3] The asteroid is estimated to be between Шаблон:Convert across.[4] In January 2018 there was much media hype about this asteroid being classified as a potentially hazardous asteroid, although there is no known threat of an impact for hundreds if not thousands of years. The media has compared the size of the asteroid to the Burj Khalifa in Dubai.[5]
Description
Шаблон:Mp was discovered on 15 January 2002 by astronomers of the NEAT team at Haleakala Observatory, Hawaii, United States.[6][7] It was removed from the Sentry Risk Table on 3 February 2002.[8]
It is a Mercury-, Venus-, Earth- and Mars-crossing asteroid. With an observation arc of 14 years, it has a well determined orbit and was last observed in 2016.[2] It is classified as an Apollo asteroid[2] because it is a near-Earth asteroid with a semi-major axis larger than Earth's. It is also categorized as a potentially hazardous asteroid,[2] but that does not mean there is a near-term threat of an impact. It is a potentially hazardous asteroid merely as a result of its size (absolute magnitude Шаблон:Nowrap) and Earth minimum orbit intersection distance Шаблон:Nowrap).
2018 approach
On 4 February 2018 at 21:31 UT, the asteroid passed about Шаблон:Convert from Earth.[2][9] The 2018 Earth approach distance was known with a 3-sigma accuracy of ±200 km.[2] Goldstone is scheduled to observe the asteroid from 3 to 6 February.[10] By 4 February 2018 11:00 UT, the asteroid brightened to apparent magnitude 14 and had a solar elongation of more than 100°.[11]
2172 approach
On 8 February 2172, the asteroid will pass about Шаблон:Convert from Earth.[2] The 2172 Earth approach distance is known with a 3-sigma accuracy of ±4000 km.
As we look even further into the future the known trajectory becomes more divergent. By the Earth approach of Шаблон:Convert on 19 February 2196 the uncertainty increases to ±2.4 million km.[2]
Шаблон:Large near earth asteroid flybys 2LD
References
External links
Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:2018 in space Шаблон:Authority control
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