Английская Википедия:2034 Bernoulli
2034 Bernoulli (Шаблон:IPAc-en), provisional designation Шаблон:Mp, is a stony asteroid from the inner regions of the asteroid belt, approximately 9 kilometers in diameter.
The asteroid was discovered on 5 March 1973, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland, and named for the members of the Bernoulli family.[1][2]
Orbit and classification
Bernoulli orbits the Sun in the inner main-belt at a distance of 1.8–2.7 AU once every 3 years and 4 months (1,230 days). Its orbit has an eccentricity of 0.18 and an inclination of 9° with respect to the ecliptic.[3] The first used precovery was taken at Palomar Observatory in 1951, extending the asteroid's observation arc by 22 years prior to its official discovery, while the first unused observation was made ten years earlier at Uccle Observatory in 1941.[2]
Physical characteristics
Bernoulli is an assumed, common, stony S-type asteroid.[4]
Rotation period
A rotational lightcurve of Bernoulli was obtained from photometric observations by Michael Alkema at the U.S. Elephant Head Observatory (Шаблон:Small), Arizona, in December 2012. Lightcurve analysis gave a rotation period of Шаблон:Val hours with a brightness variation of 0.21 magnitude (Шаблон:Small).[5]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Bernoulli measures 7.8 and 8.5 kilometers in diameter and its surface has an albedo of 0.17 and 0.22, respectively,[6][7] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 9.4 kilometers with an absolute magnitude of 12.5.[4]
Naming
This minor planet was named in honour of the Bernoulli family, a dynasty of mathematicians from the city of Basel, Switzerland. In particular, Jacob Bernoulli (1654–1705), founder of the calculus of variations, Daniel Bernoulli (1700–1782), co-founder of hydrodynamics, and Johann Bernoulli (1667–1748), contributor to integral calculus and the teacher of Leonhard Euler, after whom the minor planet 2002 Euler is named.[1]
The lunar crater Bernoulli also honors the Swiss dynasty.[1] The official naming citation was published by the Minor Planet Center on 1 June 1980 (Шаблон:Small).[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:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
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