1989 SL. Discovered 1989 Sept. 30 by T. Nomura and K. Kawanishi at Minami-Oda.
Named in honor of Matsuo Sugano (1939– ), the first discoverer of comet C/1983 J1. He also discovered three novae (V827 Her, V838 Her and V4327 Sgr) and the peculiar variable V1143 Ori. He worked at Akashi Municipal Planetarium for 36 years to encourage the development of amateur astronomy. (M 35483)