Usman' is an old town in Russia, founded in 1645, and birth place of a number of notable people: famous physicist and Nobel Prize winner, N. G. Basov (1922-2001); the ethnographer, B. P. Knyazhinskij (1892-1975); and astronomer and discoverer of minor planets, N. S. Chernykh (1931-2004).
Discovered on 15-11-1990 in Nauchnyj by Chernykh, L. I.