Английская Википедия:3905 Doppler
Шаблон:Use dmy dates Шаблон:Infobox planet
3905 Doppler, provisional designation Шаблон:Mp, is a stony asteroid and binary system from the middle region of the asteroid belt, approximately 8 kilometers in diameter.
The asteroid was discovered on 28 August 1984, by Czech astronomer Antonín Mrkos at Kleť Observatory and named after physicist Christian Doppler.[1][2]
Orbit and characterization
Doppler orbits the Sun in the central main-belt at a distance of 1.9–3.2 AU once every 4 years and 1 month (1,496 days). Its orbit has an eccentricity of 0.26 and an inclination of 14° with respect to the ecliptic.[3] It has been characterized as a common S-type asteroid.[4]
A minor-planet moon orbiting Doppler every 50.8 hours (or 2 days, 2 hours, and 48 minutes) was found orbiting the asteroid in 2013. This is fairly long orbital period for a moon of an asteroid of this size.[5] The satellite's orbital period is identical to the primary's rotation period (F-type binary).[4]
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Doppler measures 8.021 kilometers in diameter and its surface has an albedo of 0.228,[6] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 8.97 kilometers with an absolute magnitude of 12.6.[4]
Naming
This minor planet was named after Christian Doppler (1803–1853), Austrian physicist in Vienna and well known for the Doppler effect, which he first described in 1842, in his book "Ueber das farbige Licht der Doppelsterne". The naming was proposed by Jana Tichá and M. Šolc.[1] The approved naming citation was published by the Minor Planet Center on 28 August 1996 (Шаблон:Small).[7]
References
External links
- Asteroids with Satellites, Robert Johnston, johnstonsarchive.net
- 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
- ↑ 1,0 1,1 Ошибка цитирования Неверный тег
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- Английская Википедия
- Background asteroids
- Discoveries by Antonín Mrkos
- Named minor planets
- Binary asteroids
- Astronomical objects discovered in 1984
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