This is part of a whole solar-system model that spans north Georgia.
The Sun in this model is defined to be the dome of the capitol building of Georgia, in downtown Atlanta, Georgia. The dome is 22.86m (75 feet) in diameter⁘. The star it represents is 864,300 mi in diameter⁘. That yields a ratio of 1:60,891,648.
The sun is 99.86% of the mass of the whole solar system!