A size comparison of Vesta, Lutetia, Mathilde,Ida and Dactyl,Eros,Gaspra,Steins, and Itokawa.
Vesta is the second largest asteroid in the solar system. This object is classed as a protoplanet or a small dwarf planet. This asteroid is three-fourths of Ceres. Pretty big,huh? Dawn will tell us more for a period of about 4 years. Then it will leave for Ceres.