10258 Sárneczky


10258 Sárneczky, provisional designation, is a background asteroid from the outer regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 6 January 1940, by Hungarian astronomer György Kulin at the Konkoly Observatory, near Budapest. The asteroid was named after Hungarian astronomer Krisztián Sárneczky.

Orbit and classification

Sárneczky is non-family asteroid from the main-belt's background population. It orbits the Sun in the outer asteroid belt at a distance of 2.9–3.5 AU once every 5 years and 7 months. Its orbit has an eccentricity of 0.09 and an inclination of 14° with respect to the ecliptic. The body's observation arc begins with its official discovery observation at Konkoly in 1940.

Physical characteristics

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Sárneczky measures 14.275 kilometers in diameter and its surface has an albedo of 0.151. The asteroid has an absolute magnitude of 12.1.

Rotation period

As of 2017, no rotational lightcurve of Sárneczky has been obtained from photometric observations. The body's rotation period, shape and poles remain unknown.

Naming

This minor planet was named after Krisztián Sárneczky, a Hungarian amateur astronomer and discoverer of minor planets and supernovae. He is a board member of the Hungarian Astronomical Association. The official naming citation was published by the Minor Planet Center on 5 October 2017.