Fit A₀a); A₁b); and A₂c) of spatial distributions of impact speed, incidence angle, normal speed, crater diameter, impact density, and crater density (squares connected by solid lines in red, orange, yellow, green, cyan, and blue) as functions of lunar semi-major axis. a) Every approximate global average A₀ is in terms of the relevant simulated global average. , , and are compared to , , and (squares connected by dashed lines in yellow, green, and blue). b) and c) and are compared to and (squares connected by dashed lines in green and blue).