Английская Википедия:276 Adelheid
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox planet
Adelheid (minor planet designation: 276 Adelheid) is a dark Alauda asteroid from the outer region of the asteroid belt, approximately 121 kilometers in diameter. It was discovered by Austrian astronomer Johann Palisa at Vienna Observatory on 17 April 1888.[1] The meaning of the asteroids's name is unknown.[2]
Classification
Adelheid is a member of the Alauda family (Шаблон:Small),[3] a large family of typically bright carbonaceous asteroids and named after its parent body, 702 Alauda.[4]Шаблон:Rp
Physical characteristics
Photometric observations in 1992 gave a lightcurve with a period of 6.328 ± 0.012 hours and a brightness variation of 0.10 ± 0.02 in magnitude. The curve is regular with two maxima and minima.[5]
In the Tholen classification, its spectrum has been characterized as that of an X-type asteroid,[6] while polarimetric observations refined its classification to a primitive P-type.[5][7]
Naming
Any reference of this minor planet's name to a person or occurrence is unknown.[2]
Unknown meaning
Among the many thousands of named minor planets, Adelheid is one of 120 asteroids, for which no official naming citation has been published. All of these low-numbered asteroids have numbers between Шаблон:Mp and Шаблон:Mp and were discovered between 1876 and the 1930s, predominantly by astronomers Auguste Charlois, Johann Palisa, Max Wolf and Karl Reinmuth.[8]
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:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Alauda asteroids
- Discoveries by Johann Palisa
- Named minor planets
- X-type asteroids (Tholen)
- Astronomical objects discovered in 1888
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