The newly found asteroids circles entirely within Earth’s orbit. (Credit: NASA/JPL-Caltech)

Astronomers just found an asteroid circling surprisingly close to our home sun, adding one more sibling to a rare family of space rocks.

Our solar system has a lot of rubble left over from its creation that’s strewn haphazardly between and beyond the planets. But there is some order to the mess. At the outer extremes, the Oort Cloud encloses the solar system in a giant sphere made of comets that o