Helin discovered or co-discovered 872 asteroids, including the first two Aten asteroids: 2062 Aten and 2100 Ra-Shalom; the Apollo asteroids 4660 Nereus, 4769 Castalia and others; various Amor asteroids; three Trojan asteroids including 3240 Laocoon; and 9969 Braille.
asteroid | Asteroid belt | Asteroid | Amor asteroid | Aten | asteroid belt | Lincoln Near-Earth Asteroid Research | Aten asteroid | S-type asteroid | P-type asteroid | Indiana Asteroid Program | E-type asteroid | C-type asteroid | B-type asteroid | binary asteroid | Asteroid impact avoidance | Asteroid (film) |