High Quality Content by WIKIPEDIA articles! Schelte John "Bobby" Bus (born 1956) is an Associate Astronomer at the University of Hawaii Institute for Astronomy and Support Astronomer at NASA's Infrared Telescope Facility IRTF. He received his B.S. from Caltech in 1979, and was awarded his Ph.D from the Massachusetts Institute of Technology in 1999. Bus has been an active astronomer for many years. He discovered periodic comet 87P/Bus in 1981. In addition, Bus has discovered or co-discovered over a thousand asteroids, including an Apollo asteroid, 2135 Aristaeus, which will come within 5 Gm (3 million mi, 13 Earth-Moon distances) of the Earth on 30 March 2147; an Amor asteroid; and more than 40 Trojan asteroids. The first of these was 3240 Laocoon, which he co-discovered with Eleanor F. Helin.