Английская Википедия:2005 ED224
Шаблон:Use dmy dates Шаблон:Infobox planet
Шаблон:Mp was the soonest virtual impactor of an asteroid larger than 50 meters in diameter with a better than 1:1-million chance of impacting Earth. On 11 March 2023 the line of variations (LOV) showed a 1-in-500,000 chance of impact.[1] It is estimated to be 54-meters in diameter and has a short observation arc of 3-days. On 11 March 2023 it was nominally expected to be Шаблон:Convert from Earth but had an uncertainty region billions of kilometers long.[2] Since it has not been observed since 2005 and has an orbital period of Шаблон:Val,[3] we do not know where on its orbit Шаблон:Mp is. Between 2005 and 2023 it could have orbited the Sun 6.2 to 7.8 times. On 11 March 2030 it has a 1-in-6,300,000 chance of impact but is expected to be Шаблон:Convert from Earth (near the asteroid's farthest distance from the Sun).[4] On 10 March 2064 it has a 1-in-2,600,000 chance of impact but is expected to be Шаблон:Convert from Earth.
It was first observed on 13 March 2005 when the asteroid was estimated to be Шаблон:Convert from Earth and had a solar elongation of 137 degrees.
| Date | Impact probability (1 in) |
JPL Horizons nominal geocentric distance (AU) |
NEODyS nominal geocentric distance (AU) |
MPC[5] nominal geocentric distance (AU) |
Find_Orb nominal geocentric distance (AU) |
uncertainty[6] region (3-sigma) |
|---|---|---|---|---|---|---|
| 2018-03-11 | 2.4 million | Шаблон:Convert | Шаблон:Convert | Шаблон:Convert | Шаблон:Convert | Шаблон:Nowrap |
| 2023-03-11 | 500 thousand | Шаблон:Convert[2] | Шаблон:Convert[7] | Шаблон:Convert | Шаблон:Convert[8] | Шаблон:Nowrap[2] |
The 11 March 2018 virtual impactor did not occur.[1] The line of variation (LOV) for 2018 was billions of kilometers long and wrapped around the asteroid's orbit so that the asteroid could have been numerous different distances from the Earth. The 2023 line of variation (LOV) was also billions of kilometers long and stretched around the asteroid's known orbit.[9]
See also
References
External links
Шаблон:Small Solar System bodies Шаблон:Authority control
- ↑ 1,0 1,1 1,2 Ошибка цитирования Неверный тег
<ref>; для сносокsentryне указан текст - ↑ 2,0 2,1 2,2 Ошибка цитирования Неверный тег
<ref>; для сносокHorizons2023не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокjpldataне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокHorizons2030не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокMPC-ephне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокHorizonsне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокNEODyS2023не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокFind_Orb2023не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокTilley2023не указан текст
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