Английская Википедия:2029 Binomi
2029 Binomi, provisional designation Шаблон:Mp, is a Vestian asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter.
The asteroid was discovered on 11 September 1969, by Paul Wild at Zimmerwald Observatory near Bern, Switzerland.[1] It was named for the fictitious mathematician "Alessandro Binomi" who invented the binomial formula.[2]
Classification and orbit
Binomi is a member of the Vesta family, one of the largest collisional populations of the inner asteroid belt. It orbits the Sun at a distance of 2.0–2.7 AU once every 3 years and 7 months (1,316 days). Its orbit has an eccentricity of 0.13 and an inclination of 6° with respect to the ecliptic.[3]
The body's observation arc begins at Crimea–Nauchnij on 10 September 1969, the night before its official discovery observation at Zimmerwald.[1]
Physical characteristics
In the SMASS classification, Binomi is a stony S-type asteroid.[3]
Lightcurves
In January 2014, two rotational lightcurves of Binomi were obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 3.7555 and 3.756 hours with a brightness variation of 0.51 and 0.52 magnitude, respectively (Шаблон:Small).[4][5]
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Binomi measures 6.893 and 7.050 kilometers in diameter and its surface has an albedo of 0.2468 and 0.257, respectively.[6][7]
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the largest member and namesake of its family – and calculates a diameter of 5.39 kilometers based on an absolute magnitude of 13.51.[8]
Naming
This minor planet was named for the fictitious mathematician "Alessandro Binomi", inventor of the binomial formula. This act of parody science was common among students at German-speaking universities (de:Binomi). The real inventors of the binomial formula are the Bernoullis, after whom the asteroid 2034 Bernoulli was named.[2] The approved naming citation was published by the Minor Planet Center on 1 August 1981 (Шаблон:Small).[9]
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
- Vesta asteroids
- Discoveries by Paul Wild (Swiss astronomer)
- Named minor planets
- S-type asteroids (SMASS)
- Astronomical objects discovered in 1969
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