1978 RW. Discovered 1978 Sept. 1 by N. S. Chernykh at Nauchnyj.
Named in honor of Claudio Casacci (1958– ), an Italian amateur astronomer who has been deeply involved in the popularization of astronomy and in the organization of meetings concerned, in particular, with minor bodies of the solar system. He was a member of the local organizing committee of the Asteroids, Comets, Meteors 1993 conference (IAU Symposium No. 160) and recently favored contacts between specialists of Italy and those of the Former Soviet Union, being particularly efficient in organizing the 1994 Belgirate Workshop on Near-Earth Asteroids. (M 25229)
Name proposed by the discoverer jointly with A. Sokolsky and V. Shor.