Maverick asteroid might be an immigrant from outside the solar system

Found in Jupiter's orbit, the rock travels around the sun in reverse from the planets

NOT LIKE THE OTHERS  Many asteroids share Jupiter’s orbit (illustrated, not to scale). Most asteroids travel in the same direction around the sun as the planet. But there’s one moving in reverse, which could indicate it came from outside the solar system.

JPL-Caltech/NASA

An asteroid that flouts the norms of the solar system might not be from around here.