Английская Википедия:4082 Swann

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Шаблон:Infobox planet

4082 Swann, provisional designation Шаблон:Mp, is a carbonaceous asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter.

The asteroid was discovered on 27 September 1984, by American astronomer Carolyn Shoemaker at Palomar Observatory in California, United States, and later named for American geologist Gordon Swann.[1][2]

Orbit and classification

Swann orbits the Sun in the inner main-belt at a distance of 1.8–3.0 AU once every 3 years and 8 months (1,349 days). Its orbit has an eccentricity of 0.26 and an inclination of 10° with respect to the ecliptic.[3] First identified as Шаблон:Mp at the Finnish Turku Observatory in 1947, SwannШаблон:'s observation arc was extended by 37 years prior to its official discovery observation at Palomar.[2]

Physical characteristics

The C-type asteroid is classified as a Ch-subtype in the SMASS taxonomy.[3]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Swann measures 9.5 and 11.1 kilometers in diameter and its surface has an albedo of 0.029 and 0.101, respectively.[4][5] The Collaborative Asteroid Lightcurve Link, however, assumes a standard albedo for stony asteroids of 0.20 and derives a much smaller diameter of 5.85 kilometers, based on an absolute magnitude of 13.46.[6]

Rotation period

In July 2006, a rotational lightcurve of Swann was obtained from photometric observations by Petr Pravec at the Ondřejov Observatory in the Czech Republic. It gave a rotation period of Шаблон:Val hours with a brightness variation of 0.67 magnitude (Шаблон:Small).Шаблон:Efn A second lightcurve obtained by Jean-Gabriel Bosch in September 2006, gave a period of Шаблон:Val hours and an amplitude of 0.35 magnitude (Шаблон:Small).[7]

Naming

This minor planet was named after American geologist Gordon A. Swann (born 1931). He served as the principal investigator of the "Apollo Lunar Geologic Experiment" conducted at the lunar landing sites of Apollo 14 and Apollo 15.[1] The official naming citation was published by the Minor Planet Center on 12 December 1989 (Шаблон:Small).[8]

Notes

Шаблон:Notelist

References

Шаблон:Reflist

External links

Шаблон:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies

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  1. ↑ 1,0 1,1 Ошибка цитирования Неверный тег <ref>; для сносок springer не указан текст
  2. ↑ 2,0 2,1 Ошибка цитирования Неверный тег <ref>; для сносок MPC-Swann не указан текст
  3. ↑ 3,0 3,1 Ошибка цитирования Неверный тег <ref>; для сносок jpldata не указан текст
  4. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Masiero-2012 не указан текст
  5. ↑ Ошибка цитирования Неверный тег <ref>; для сносок AKARI не указан текст
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок lcdb не указан текст
  7. ↑ Ошибка цитирования Неверный тег <ref>; для сносок geneva-obs не указан текст
  8. ↑ Ошибка цитирования Неверный тег <ref>; для сносок MPC-Circulars-Archive не указан текст
Источник — http://wikihandbk.com/ruwiki/index.php?title=Английская_Википедия:4082_Swann&oldid=12852472