1978 RN. Discovered 1978 Sept. 1 by N. S. Chernykh at Nauchnyj.
Named in honor of Yurij Aleksandrovich Ryabov (1923– ), professor at the Moscow Road-Transport Institute. He developed the Poincaré-Lyapunov method of small parameters for the investigation of fine-resonance effects. He is also the author of monographs on the modern problems of celestial mechanics, as well as of popular books on astronomy. (M 30476)
Name proposed by the Institute of Theoretical Astronomy.