Английская Википедия:1092 Lilium
1092 Lilium, provisional designation Шаблон:Mp, is a dark, carbonaceous background asteroid from the outer regions of the asteroid belt, approximately 44 kilometers in diameter. It was discovered on 12 January 1924, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany.[1] The asteroid was named after the flower Lilium (true lily).[2]
Orbit and classification
Lilium is a non-family asteroid from the main belt's background population.[3] It orbits the Sun in the outer asteroid belt at a distance of 2.7–3.1 AU once every 4 years and 11 months (1,804 days). Its orbit has an eccentricity of 0.08 and an inclination of 5° with respect to the ecliptic.[4]
The body's observation arc begins with a precovery image taken at the Lowell Observatory in July 1906, almost 18 years prior to its official discovery observation at Heidelberg.[1]
Physical characteristics
Lilium is an assumed carbonaceous C-type asteroid.[5]
Rotation period
In February 2008, a rotational lightcurve of Lilium was obtained from photometric observations by American astronomer Brian Warner at his Palmer Divide Observatory (Шаблон:Small) in Colorado.Шаблон:Efn Lightcurve analysis gave a longer-than average rotation period of 24.60 hours with a brightness amplitude of 0.25 magnitude (Шаблон:Small),[6] superseding a period of 17.63 hours by Richard Binzel from March 1984 (Шаблон:Small).[7]
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Lilium measures between 37.78 and 52.79 kilometers in diameter and its surface has an albedo between 0.030 and 0.05.[8][9][10][11][12][13][14]
The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.0390 and a diameter of 46.17 kilometers based on an absolute magnitude of 10.82.[5]
Naming
This minor planet was named by the discoverer after the true lily flowering planet, Lilium. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (Шаблон:Small).[2]
Reinmuth's flowers
Due to his many discoveries, Karl Reinmuth submitted a large list of 66 newly named asteroids in the early 1930s. The list covered his discoveries, with numbers between Шаблон:MoMP and Шаблон:MoMP. This list also contained a sequence of 28 asteroids, starting with 1054 Forsytia, that were all named after plants, in particular flowering plants (also see list of minor planets named after animals and plants).[15]
Notes
References
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:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
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- Английская Википедия
- Background asteroids
- Discoveries by Karl Wilhelm Reinmuth
- Named minor planets
- Astronomical objects discovered in 1924
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