I've heard of the odd temporary object moving in an orbital path around the Earth with an orbital circumference beyond the Moon's orbit, but they don't last long there. read more
As a celestial body, the asteroid Cruithne is sort of small and indistinct until you consider that it is locked in a 1: 1 orbit with the Earth. The asteroid is sometimes referred to as the Earth’s second moon. It is not a true moon because the Earth’s gravity does not effect it nor does its effect the Earth. read more