Английская Википедия:4904 Makio
Шаблон:Use dmy dates Шаблон:Infobox planet
4904 Makio, provisional designation Шаблон:Mp, is a stony asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered by Japanese astronomers Yoshikane Mizuno and Toshimasa Furuta at Kani Observatory (Шаблон:Small) on 21 November 1989.[1] It was named after Japanese astronomer Makio Akiyama.[2]
Orbit and classification
Makio orbits the Sun in the inner main-belt at a distance of 2.1–2.7 AU once every 3 years and 8 months (1,348 days). Its orbit has an eccentricity of 0.13 and an inclination of 10° with respect to the ecliptic.[3]
It was first identified as Шаблон:Mp at the Chilean Cerro El Roble Station in 1974, extending the body's observation arc by 15 years prior to its discovery.[1]
Physical characteristics
Makio has been characterized as a common S-type asteroid.[4]
Rotation period
A rotational lightcurve of Makio was obtained from photometric observations made by Julian Oey at the Australian Kingsgrove Observatory (Шаблон:Small) in March 2009. Lightcurve analysis gave a rotation period of Шаблон:Val hours with a small brightness variation of 0.08 magnitude, indicative of a spheroidal shape (Шаблон:Small).[5]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Makio measures 7.0 kilometers in diameter and its surface has an albedo of 0.33,[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 after Japanese astronomer Makio Akiyama (born 1950), an observer and discoverer of minor planets himself at the Susono Observatory (Шаблон:Small).[2] The official naming citation was published by the Minor Planet Center on 5 March 1996 (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:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
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- Discoveries by Yoshikane Mizuno
- Discoveries by Toshimasa Furuta
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- Astronomical objects discovered in 1989
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