Asteroid belt

The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies, of many sizes, but much smaller than planets, called asteroids or minor planets.

About half its mass is the dwarf planet 'Ceres' and the three largest asteroids:, Vesta, Pallas, and Hygiea.

The Asteroid belt consists of many different belts between 2AU to over 4AU from our Sun, Ranging through the Hungaria Group, to Hidas Triangle, between these there are three prominent belts Inner, Middle and Outer Main-belts.

The Largest Asteroids

By largest diameter

1 Ceres. Giuseppe Piazzi discovered 1 Ceres in 1801, and at first it was considered to be the eighth planet; Neptune and Pluto had not been discovered. Now classified as a Dwarf Planet in the Asteroid Belt
4 Vesta. 525 Km...
10 Hygiea. 434 Km...
704 Interamnia. 330 km
52 Europa. 319Km ...
511 Davida. 298 Km...
87 Sylvia. 385×265×230 Km
2 Pallas. 275 Km ...
624 Hektor 256 Km
3 Juno 254 Km
107 Camila 254 Km
65 Cybele. 237 km
451 Patientia. 225 km

Asteroid families

Also there are groups of asteroids called famlies, Some of the most prominent families in the asteroid belt are the Flora, Eunoma, Koronis, Eos, and Themis families.

What Are Asteroid Families?