1 Ceres is a dwarf planet that orbits The Sun between the orbits of Mars and Jupiter, in a region known as the Asteroid Belt. Asteroids tend to hit the surface of 1 Ceres quite a bit more frequently than they hit Earth, and because of this, 1 Ceres tends to be a bit grumpy. It is so frequent in fact that his conversations with people often get interrupted because of it. 1 Ceres is 939 kilometers in diameter. 1 Ceres has a bit of a grumpy but otherwise friendly personality.