The 3-mile-wide moon called Cruithne takes 770 years to complete a horseshoe-shaped orbit around Earth. It was discovered in 1986, and then found in 1997 to have a highly eccentric orbit and cannot be seen by the naked eye
The 3-mile-wide moon called Cruithne takes 770 years to complete a horseshoe-shaped orbit around Earth. It was discovered in 1986, and then found in 1997 to have a highly eccentric orbit and cannot be seen by the naked eye