Английская Википедия:1003 Lilofee

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Шаблон:Infobox planet

Lilofee (minor planet designation: 1003 Lilofee), provisional designation Шаблон:Mp, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 33 kilometers in diameter. It was discovered on 13 September 1923, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.[1] The asteroid was named after the Black Forest mermaid "Lilofee" from German folklore.[2]

Orbit and classification

Lilofee is a member of the Themis family (Шаблон:Small),[3][4] a very large family of carbonaceous, low-inclination asteroids, named after 24 Themis.[5]Шаблон:Rp It orbits the Sun in the outer main-belt at a distance of 2.6–3.6 AU once every 5 years and 7 months (2,032 days). Its orbit has an eccentricity of 0.16 and an inclination of 2° with respect to the ecliptic.[6]

The asteroid was first identified as Шаблон:Mp at Bergedorf Observatory in April 1915. The body's observation arc begins with its official discovery observation at Heidelberg.[1]

Physical characteristics

Lilofee is an assumed carbonaceous C-type asteroid,[3] which corresponds to the overall spectral type of the Themis family.[5]Шаблон:Rp

Lightcurves

Since 2004, several rotational lightcurves of Lilofee were obtained from photometric observations by astronomers René Roy, Enric Forné and Robert Stephens. Lightcurve analysis gave a rotation period of 8.255 hours with a brightness variation of 0.57 magnitude (Шаблон:Small).[7][8]Шаблон:Efn

In 2013, an international study modeled a lightcurve with a concurring period of 8.24991 hours and found a spin axis of (n.a., −99.0°) in ecliptic coordinates (λ, β).[9]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Lilofee measures between 27.29 and 36 kilometers in diameter and its surface has an albedo between 0.07 and 0.198.[10][11][12][13][14]

The Collaborative Asteroid Lightcurve Link adopts an albedo of 0.08 and calculates a diameter of 34.04 kilometers based on an absolute magnitude of 10.7.[3]

Naming

This minor planet was named after the legendary mermaid/neck Lilofee, who lived in the small Mummelsee of the Black Forest in southwest Germany. Lilofee is also the title figure in the German folk-song The beautiful young Lilofee ("Die schöne junge Lilofee") by August Schnezler (1809–1853).[2]

The asteroid was named by the discoverer (Шаблон:Small). The name was proposed by ARI-astronomer Johannes Riem, after whom 1025 Riema was named. The official naming citation was also mentioned in The Names of the Minor Planets by Paul Herget in 1955 (Шаблон:Small).[2]

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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