Ceres (pronounced as "series") is the only dwarf planet in the asteroid belt. While it is the smallest recognized dwarf planet, it contains 32% of the total mass of the asteroid belt.
Ceres is located in the main asteroid belt, between Mars and Jupiter, at an average distance of 2.77 AU from the Sun. Its orbital eccentricity is 0.08, and it takes 4.60 Earth-years to orbit the Sun. Its orbit is tilted 10.58° relative to Earth's orbit.
Ceres rotates about its axis once every 9 hours 4 minutes.