Английская Википедия:2006 QV89

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Версия от 03:43, 22 декабря 2023; EducationBot (обсуждение | вклад) (Новая страница: «{{Английская Википедия/Панель перехода}} {{short description|Asteroid}} {{DISPLAYTITLE:{{mp|2006 QV|89}}}} {{Use dmy dates|date=April 2020}} {{Infobox planet | image = The region of the sky where astronomers looked for asteroid 2006 QV89.jpg | caption = The region of the sky where astronomers looked for asteroid 2006 QV89.<ref>{{cite web |title=ESO and ESA confirm that asteroid 2006 QV89 will not hit Earth in 2019 |url=https:...»)
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Шаблон:Short description

Шаблон:Use dmy dates Шаблон:Infobox planet Шаблон:Mp (also written 2006 QV89) is an Apollo near-Earth asteroid roughly Шаблон:Convert in diameter. It was discovered on 29 August 2006 when the asteroid was about Шаблон:Convert from Earth and had a solar elongation of 150 degrees.

Recovery

The asteroid was recovered on 11 August 2019 by the Canada–France–Hawaii Telescope,[1] extending the observation arc from 10 days to 12 years. Шаблон:Mp will make a closest approach to Earth on 27 September 2019 at a distance of Шаблон:Convert.[2][3] The August 2019 orbit solution will pass about Шаблон:Val further from Earth than the 2006 orbit solution.[4]Шаблон:Efn It was removed from the Sentry Risk Table on 11 August 2019.

Possible Earth impact

Шаблон:Mp has a low 1.07° orbital inclination with respect to the Ecliptic plane and an Earth-MOID of only 10200 km.[2] Where Earth will be on a given date was known, but given the relatively old and short observation arc (10 days in 2006) it could not be predicted accurately where the asteroid will be on its orbit.[3] Based on the available data, the Sentry Risk Table showed an estimated 1 in 9100 chance of the asteroid impacting Earth on 9 September 2019.[5] The nominal JPL Horizons 9 September 2019 Earth distance was Шаблон:Convert with a 3-sigma uncertainty of Шаблон:Nowrap.[6] NEODyS also listed the nominal 9 September 2019 Earth distance as Шаблон:Convert.[7] The European Space Agency listed the odds of impact at a comparable 1 in 7300 on 9 September 2019.[8]

A Monte Carlo simulation using Solex 12 with 1000 clones of the asteroid showed that the asteroid's possible positions overlap Earth.[9] The line of variation (LOV) passed over Antarctica and the southern tip of Argentina.[10]

Impact ruled out

While the position of the asteroid was too uncertain as of July 2019 to recover it, it was known where it would be if it were on a collision course. Based on non-observations from 4 to 5 July 2019, the impact was ruled out on 16 July 2019, using the Very Large Telescope in Chile.[11][12] The detection (or lack thereof) of asteroids by this method may be useful for ruling out other potential collisions.[12]

The asteroid came to opposition (opposite the Sun in the sky) on 28 July 2019 at an apparent magnitude of ~22.[7]

Notes

Шаблон:Notelist

See also

References

Шаблон:Reflist

External links

Шаблон:Small Solar System bodies Шаблон:Authority control

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  1. ↑ Ошибка цитирования Неверный тег <ref>; для сносок sciencedaily не указан текст
  2. ↑ 2,0 2,1 Ошибка цитирования Неверный тег <ref>; для сносок jpldata не указан текст
  3. ↑ 3,0 3,1 Ошибка цитирования Неверный тег <ref>; для сносок NEODyS-CA не указан текст
  4. ↑ 2019/2006 orbit comparison (Tony Dunn, 11 August 2019)
  5. ↑ Ошибка цитирования Неверный тег <ref>; для сносок sentry не указан текст
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Horizons не указан текст
  7. ↑ 7,0 7,1 Ошибка цитирования Неверный тег <ref>; для сносок NEODyS2019 не указан текст
  8. ↑ Ошибка цитирования Неверный тег <ref>; для сносок esa не указан текст
  9. ↑ Solex clones (Peter Thomas, 16 March 2019)
  10. ↑ Path of risk (Risk Corridor) (Peter Thomas, 15 July 2019)
  11. ↑ ESA confirms asteroid will miss Earth in 2019 (European Space Agency, 16 July 2019)
  12. ↑ 12,0 12,1 Шаблон:Cite journal
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