Английская Википедия:5101 Akhmerov
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox planet
5101 Akhmerov, provisional designation Шаблон:Mp, is an Eos asteroid from the outer region of the asteroid belt, about 12 kilometers in diameter. It was discovered on 22 October 1985, by Russian astronomer Lyudmila Zhuravleva at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula.[1] It was later named for Ukrainian surgeon Vadim Akhmerov.[2]
Orbit and classification
Akhmerov is a member of the Eos family (Шаблон:Small), the largest asteroid family in the outer main belt consisting of nearly 10,000 asteroids.
It orbits the Sun at a distance of 2.7–3.4 AU once every 5 years and 3 months (1,903 days). Its orbit has an eccentricity of 0.12 and an inclination of 11° with respect to the ecliptic.[3] A first precovery was obtained at the discovering observatory in 1969, extending the body's observation arc by 16 years prior to its official discovery observation.[1]
Physical characteristics
PanSTARRS photometric survey has characterized Akhmerov as a CX-type asteroid, a transitional group between the carbonaceous C-type asteroid and the metallic X-type asteroids.[4][5]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Akhmerov measures 11.0 kilometers in diameter and its surface has an albedo of 0.19.[6][7] The Collaborative Asteroid Lightcurve Link (CALL) assumes an albedo of 0.14 – derived from 221 Eos, the largest member and namesake of this orbital family – and calculates a diameter of 12.3 kilometers with an absolute magnitude of 12.3.[4]
Rotation period
A rotational lightcurve of Akhmerov was obtained from photometric observations taken at the U.S. Palomar Transient Factory in September 2011. The lightcurve gave a rotation period of Шаблон:Val hours with a brightness amplitude of 0.33 in magnitude (Шаблон:Small).[8]
Naming
This minor planet was named after Шаблон:Proper name (born 1929), long-time physician at the maternity hospital in Alushta on the Crimean peninsula.[2] The official naming citation was published by the Minor Planet Center on 4 May 1999 (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 (5001)-(10000) – 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
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- Discoveries by Lyudmila Zhuravleva
- Named minor planets
- Astronomical objects discovered in 1985
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