2985 Shakespeare

Classification and orbit

The S-type asteroid is a member of the Koronis family, a group consisting of about 200 known bodies. It orbits the Sun in the outer main-belt at a distance of 2.7–3.0 AU once every 4 years and 10 months (1,756 days). Its orbit has an eccentricity of 0.05 and an inclination of 3° with respect to the ecliptic. It was first identified as at Goethe Link Observatory in 1962. The body's observation arc begins with its identification at Crimea–Nauchnij, 7 years prior to its official discovery observation at Anderson Mesa.

Naming

This minor planet was named after William Shakespeare (1564–1616), the English renaissance dramatist and poet. The approved naming citation was published by the Minor Planet Center on 29 September 1985 (M.P.C. 10044).

Physical characteristics

Rotation period and poles

Three different rotational lightcurves, obtained from photometric observations taken at the Palomar Transient Factory and a group of seven observatories, respectively, found a concurring rotation period of 6.06–6.08 hours with a brightness variation between 0.37 and 0.53 magnitude ().

Diameter and albedo

According to the space-based NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the body has an albedo of 0.26 and measures 10.5 kilometers in diameter, while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for members of the Koronis family of 0.24 and calculates a diameter of 10.3 kilometers with an absolute magnitude of 12.1.

References

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