I don't post or follow the forums very regularly, but when I read this article I thought of Starfire and Aurora.
"We believe Neptune Trojans outnumber the Jupiter Trojans and the main-belt asteroids between Mars and Jupiter," Scott Sheppard of the Carnegie Institution in Washington, D.C., told SPACE.com. "If Neptune was where the main-belt was, we'd know thousands of these objects."
http://www.csmonitor.com/Science/2010/0 ... -dead-zone