My Good deed for the day...
Meteor Shield max radius [anything on/inside the green is protected]
Closeup of a radii
Blue is every other block.
Black is every 5 blocks.
At 79 blocks out from the shield block, the curve starts.
Curve formula is 12,5,4,3,3,3,2,2,2,2,2,2,1,2,1,2,1,1,1,1,2,1,1 or...