For anyone else that is interested in paid promotion by the amazing owner of Alliance LARP Chicago, Paul Foisy, inquiries about rates and content can be sent to: WaysideLogistics@gmail.com
Sadly, there are far, far too many asteroids of impermanent position in the Belt to nail down one as the thirtieth.
Also, the Moon is closer to the sun than the Earth is nearly half the time, and there are smaller bodies with solar orbits interior the Earth's as well. A fun example is 2010 TK7, which has a better claim than earth at being the 3rd rock.
Like Rock - Paper - Scissors, Science always beats Fun.