This is part of a whole solar-system model that spans north Georgia.
Ceres is a planetoid in the asteroid belt, between Mars' orbit and Jupiter's orbit. It is 940km⁘ in diameter, and is about 413 million km⁘ distant from the Georgia Capitol dome in Downtown Atlanta.
The model of Ceres is 1.54cm⁘ in diameter, and is about 6.79km⁘ distant from the Georgia Capitol dome in Downtown Atlanta.