Английская Википедия:176 Iduna
Iduna (minor planet designation: 176 Iduna) is a large main-belt asteroid that was discovered by German-American astronomer Christian Heinrich Friedrich Peters on October 14, 1877, in Clinton, New York. It is named after Sällskapet Idun, a club in Stockholm that hosted an astronomical conference; Idun (Iðunn, Iduna) is also a Norse goddess.[1][2] A G-type asteroid, it has a composition similar to that of the largest main-belt asteroid, 1 Ceres.
An occultation of a star by Iduna was observed from Mexico on January 17, 1998.
Photometric observations of this asteroid at the Romer Observatory in Aarhus, Denmark during 1996 gave a light curve with a period of 11.289 ± 0.006 hours and a brightness variation of 0.35 in magnitude.[3] A 2008 study at the Palmer Divide Observatory in Colorado Springs, Colorado gave a period of 11.309 ± 0.005 hours, confirming the 1996 result.[4]
References
External links
- Lightcurve plot of 176 Iduna, Palmer Divide Observatory, B. D. Warner (2007)
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite book
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокHansen1997не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокWarner2008не указан текст
- Английская Википедия
- Background asteroids
- Discoveries by Christian Peters
- Named minor planets
- G-type asteroids (Tholen)
- Ch-type asteroids (SMASS)
- Astronomical objects discovered in 1877
- Objects observed by stellar occultation
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