These calculators can be used to generate data using mass, radius and force.
The calculators on this page rovolve around a single equation. That equation is rearranged in terms of the variables in it and there is a section per version of the equation. Each section contains a series of graphs that each vary one of the other variables in the equation.

Calculate the force given two masses and a radius.

F = GMm/r2

Graph of force vs mass1
F = GMm/r2
Force with changing mass1
Graph of force vs mass2
F = GMm/r2
Force with changing mass2
Graph of force vs radius
F = GMm/r2
Force with changing radius

Calculate the first mass given the second mass, force and radius.

M = Fr2/Gm

Graph of mass1 vs force
M = Fr2/Gm
Mass 1 with changing force
Graph of mass1 vs mass2
M = Fr2/Gm
Mass 1 with changing mass2
Graph of mass1 vs radius
M = Fr2/Gm
Mass 1 with changing radius

Calculate the second mass given the first mass, force and radius.

m = Fr2/GM

Graph of mass2 vs force
m = Fr2/GM
Mass 2 with changing force
Graph of mass2 vs mass1
m = Fr2/GM
Mass 2 with changing mass1
Graph of mass2 vs radius
m = Fr2/GM
Mass 2 with changing radius

Calculate the radius given the masses and force.

r = √[GMm/F]

Graph of radius vs force
r = √[GMm/F]
Radius with changing force
Graph of radius vs mass1
r = √[GMm/F]
Radius with changing mass1
Graph of radius vs mass2
r = √[GMm/F]
Radius with changing mass2