Английская Википедия:5333 Kanaya

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5333 Kanaya, provisional designation Шаблон:Mp, is a carbonaceous asteroid from the inner regions of the asteroid belt, approximately 14 kilometers in diameter.

The asteroid was discovered on 18 October 1990, by Japanese astronomers Makio Akiyama and Toshimasa Furuta at Mishima Observatory (Шаблон:Small) in Susono, Japan, and named for the Japanese city of Kanaya.

Orbit and classification

Kanaya orbits the Sun in the inner main-belt at a distance of 2.0–2.7 AU once every 3 years and 7 months (1,312 days). Its orbit has an eccentricity of 0.17 and an inclination of 11° with respect to the ecliptic.

A first precovery was taken at the Goethe Link Observatory in 1954. It observation arc begins at the Chilean Cerro El Roble Station in 1974, when it was identified as Шаблон:Mp, 16 years prior to its official discovery observation at Susono.

Physical characteristics

In the SMASS classification, Kanaya is a Ch-type asteroid, a hydrated sub-type of the carbonaceous C-type asteroids.

Diameter and albedo

According to the space-based surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kanaya measures 14.2 and 13.6 kilometers in diameter, and its surface has an albedo of 0.029 and 0.051, respectively.

The Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057 and calculates a diameter of 13.4 kilometers with an absolute magnitude of 13.1.

Lightcurves

Several rotational lightcurves of Kanaya have been obtained from photometric observations. In December 2005, a first lightcurve by astronomer David Higgins at Hunters Hill Observatory (Шаблон:Small), Australia, gave a rotation period of Шаблон:Val hours with a brightness variation of 0.22 magnitude (Шаблон:Small).

In October 2010, Czech astronomer Petr Pravec obtained another well-defined period of Шаблон:Val hours with an amplitude of 0.16 magnitude (Шаблон:Small).Шаблон:Efn Other observations rendered similar periods (Шаблон:Small).

Naming

This minor planet was named for the Japanese town of Kanaya (金谷町 Kanaya-chō) in Haibara District of the Shizuoka Prefecture. It is the native town of the first discoverer, Makio Akiyama, and also a station on the ancient "Tokai-do" road. The Malinohara plateau south of Kanaya is well known for its production of green tea. The official naming citation was published by the Minor Planet Center on 6 February 1993 (Шаблон:Small).

External links

• Pravec, P.; Wolf, M.; Sarounova, L. (2010)
• 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