Joseph R. Hobart (b. 1944) is an electrical engineer, amateur radio operator W7LUX, and minor-planet and variable-star observer. As of March 2011 he has improved the orbits of more than 700 minor planets, many of which were in danger of loss, and discovered 80 minor planets including NEO 2010~RA91.
Discovered on 31-1-1989 in Okutama by Hioki, T., Kawasato, N.