Earth has a second known ‘Trojan asteroid’ that shares its orbit
The space rock will be visiting for at least 4,000 years, simulations suggest
![An illustration of a Trojan asteroid in space](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/02/013122_lk_asteriod_feat.jpg?fit=1030%2C580&ssl=1)
Earth’s second known Trojan asteroid (illustrated) orbits tens of millions of kilometers ahead of Earth around the sun.
CTIO, NOIRLab/NSF and AURA, J. da Silva (using SpaceEngine)