1780 Kippes

Orbit and classification

Kippes is a member the Eos family (606), the largest asteroid family of the outer main belt consisting of nearly 10,000 asteroids. It orbits the Sun in the outer main-belt at a distance of 2.9–3.2 AU once every 5 years and 3 months (1,914 days). Its orbit has an eccentricity of 0.05 and an inclination of 9° with respect to the ecliptic.

The body's observation arc begins at Heidelberg in 1906, one week after its official discovery observation.

Physical characteristics

Kippes is an assumed S-type asteroid, while the overall spectral type of the Eos family is that of a K-type.

Rotation period

In July 1984, a rotational lightcurve of Kippes was obtained from photometric observations by astronomer Richard P. Binzel at the CTIO and McDonald Observatory. Lightcurve analysis gave a rotation period of 18.0 hours with a brightness amplitude of 0.23 magnitude ().

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Kippes measures between 25.77 and 31.262 kilometers in diameter and its surface has an albedo between 0.0966 and 0.143.

The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.1212 and a diameter of 27.92 kilometers based on an absolute magnitude of 10.68.

Naming

This minor planet was named after German Catholic priest and amateur astronomer Otto Kippes (1905–1994). He was a precise observer, acknowledged for his orbit calculations and identifications of hundreds of minor planets in widely separated oppositions. The official was published by the Minor Planet Center on 15 June 1973 (M.P.C. 3508).

References

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