Английская Википедия:61 Danaë
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox planet
Danaë Шаблон:IPAc-en (minor planet designation: 61 Danaë) is a stony (S-type) asteroid in the outer asteroid belt's background population, approximately 84 kilometer in diameter. It was discovered by French astronomer Hermann Goldschmidt on 9 September 1860, from his balcony in Paris, France.[1] Goldschmidt was ill when asked to name the asteroid, and requested his fellow asteroid-hunter Robert Luther to name it instead. Luther chose to name it after Danaë, the mother of Perseus in Greek mythology.[2] Danaë was the first asteroid to have a diacritical character in its official name.
The asteroid is orbiting the Sun with a period of 5.15 years and is rotating on its axis once every 11.45 hours. In 1985, a study of lightcurve data suggested that Danaë may have a moon. If so, the main body would be an ellipsoid measuring Шаблон:Convert, and the moon would orbit Шаблон:Convert away, measuring Шаблон:Convert. The density of both would be Шаблон:Val.[3]
References
- Alberto Cellino, Renato Pannunzio, Vincenzo Zappalà, Paolo Farinella, and Paolo Paolicchi, 1985, Do we observe light curves of binary asteroids?, Astronomy and Astrophysics, Vol. 144, No. 2, pp. 355–362.
External links
- 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:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
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- Discoveries by Hermann Goldschmidt
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