Koronis family of asteroids
A Hirayama family of asteroids in the outer part of the main asteroid belt orbiting at mean distances of 2.82 to 2.95 AU from the Sun. Mainly of S-class (silicaceous), with similar colors and albedos, these objects are all believed to have originated in the breakup of a single, highly homogenous parent body, some 100 km in diameter. The family is named after (158) Koronis, the first member to be found, in 1876 by the German astronomer Victor Knorre (1840-1919). The largest members are (208) Lacrimosa and (167) Urda, with diameters of 48 and 44 km, respectively, and Ida.
Related category ASTEROIDS AND OTHER MINOR PLANETS: TYPES AND GROUPS
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