Английская Википедия:6229 Tursachan

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Шаблон:Use dmy dates Шаблон:Infobox planet

6229 Tursachan, provisional designation Шаблон:Mp, is a Themistian asteroid from the outer regions of the asteroid belt, approximately Шаблон:Convert in diameter. It was discovered on 4 November 1983, by American astronomer Brian Skiff at Lowell's Anderson Mesa Station near Flagstaff, Arizona, in the United States.[1] The presumed C-type asteroid has a rotation period of 16.6 hours and is possibly elongated.[2] It was named after a Gaelic word meaning "Standing Stones".[1]

Orbit and classification

Tursachan is a Themistian asteroid that belongs to the Themis family (Шаблон:Small),[3] a very large family of carbonaceous asteroids, named after 24 Themis.[2][4]Шаблон:Rp

It orbits the Sun in the outer main-belt at a distance of 2.5–3.6 AU once every 5 years and 5 months (1,976 days; semi-major axis of 3.08 AU). Its orbit has an eccentricity of 0.18 and an inclination of 2° with respect to the ecliptic.[5] The body's observation arc begins with a precovery taken at Palomar Observatory just 5 nights prior to its official discovery observation at Anderson Mesa.[1]

Physical characteristics

Tursachan is an assumed C-type asteroid,[2] which agrees with the overall spectral type for members of the Themis family.[4]Шаблон:Rp

Rotation period

In September 2010, a rotational lightcurve of Tursachan was obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 16.596 hours with a brightness amplitude of 0.57 magnitude, indicative of an elongated shape (Шаблон:Small).[2][6]

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Tursachan measures between 10.34 and 11.603 kilometers in diameter and its surface has an albedo between 0.07 and 0.089.[7][8][9][10]

The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.08 and calculates a diameter of 8.61 kilometers based on an absolute magnitude of 13.69.[2]

Naming

This minor planet was named after the term "Tursachan", which means "Standing Stones" in the Gaelic language, and refers to the stones often placed in circles during the Neolithic (approximately 10,000 BC to 2000 BC) on the British Isles. These stones may have been used to follow the seasons and mark astronomical events.[1] The official naming citation was published by the Minor Planet Center on 11 February 1998 (Шаблон:Small).[11]

References

Шаблон:Reflist

External links

Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control

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  1. ↑ 1,0 1,1 1,2 1,3 Ошибка цитирования Неверный тег <ref>; для сносок MPC-object не указан текст
  2. ↑ 2,0 2,1 2,2 2,3 2,4 Ошибка цитирования Неверный тег <ref>; для сносок lcdb не указан текст
  3. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Ferret не указан текст
  4. ↑ 4,0 4,1 Ошибка цитирования Неверный тег <ref>; для сносок Nesvorny-2014 не указан текст
  5. ↑ Ошибка цитирования Неверный тег <ref>; для сносок jpldata не указан текст
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Waszczak-2015 не указан текст
  7. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Nugent-2016 не указан текст
  8. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Masiero-2012 не указан текст
  9. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Masiero-2011 не указан текст
  10. ↑ Ошибка цитирования Неверный тег <ref>; для сносок WISE не указан текст
  11. ↑ Ошибка цитирования Неверный тег <ref>; для сносок MPC-Circulars-Archive не указан текст
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