Located in the asteroid belt, it is the largest of the stony type asteroids, and contains around 1% of the mass of the asteroid belt. It is thought to be core remnant but where the crust and mantle was stripped off in a collision. It has an orbit period of 4.3 years and is in a 7:16 resonance with Mars.
It is named after the minor Greek goddess of law and order, Eunomia.
Short video clip of its motion over a few hours.