Английская Википедия:666 Desdemona
Шаблон:For Шаблон:Use dmy dates Шаблон:Infobox planet
666 Desdemona is a stony asteroid from the middle region of the asteroid belt, approximately 29 kilometers in diameter. It was discovered on 23 July 1908, by German astronomer August Kopff at Heidelberg Observatory in southern Germany, and named after Desdemona, character in Shakespeare's The Tragedy of Othello, the Moor of Venice. The name may have been inspired by the asteroid's provisional designation 1908 DM.[1][2]
Classification and orbit
Desdemona is a stony S-type asteroid that orbits the Sun in the middle main-belt at a distance of 2.0–3.2 AU once every 4 years and 2 months (1,525 days). Its orbit has an eccentricity of 0.24 and an inclination of 8° with respect to the ecliptic.[3] As no precoveries were taken, the asteroid's observation arc begins with its official discovery observation at Heidelberg.[2]
Physical characteristics
Rotation period
In 2013, a rotational lightcurve for this asteroid was obtained from photometric observations made by astronomer Anna Marciniak at Poznań Observatory, Poland. It gave a rotation period of Шаблон:Val hours with a brightness variation of 0.22 in magnitude (Шаблон:Small),[4] superseding a period from in 2000, obtained at the Californian Santana Observatory (Шаблон:Small), which gave a slightly longer period of Шаблон:Val hours and an amplitude of 0.11 (Шаблон:Small).[5]
Between 2004 and 2006, three more lightcurves were constructed from photometric observations, but they were all fragmentary and based on results with less than full coverage (Шаблон:Small).[6]Шаблон:Efn
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer (WISE) with its subsequent NEOWISE mission, the asteroid's surface has an albedo between 0.095 and 0.106. While the Collaborative Asteroid Lightcurve Link agrees with the space-based IRAS and Akari surveys on a diameter of approximately 27 kilometers, the results from WISE and NEOWISE found a larger diameter of 31.5 to 32.7 kilometers, respectively.[7][8][9][10][11]
Naming
This minor planet was named after Desdemona, the wife of Othello in the play The Tragedy of Othello, the Moor of Venice written by William Shakespeare in 1604 (also see Шаблон:MoMP). It is presumed that the naming of "Desdemona" could have been inspired by the two letters of its provisional designation (1908 DM). One of the satellites of Uranus (Uranus X), discovered by the Voyager 2 in 1986, is also named Desdemona (Шаблон:Small).[1]
Notes
References
External links
- Photométrie des astéroïdes et effets de sélection Stéphane Fauvaud: rotation period of (666) Desdemona, slide #12
- 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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