Use the sliders to change the mass of the different Planets and also change the gravitational constant. (Im working on stuff like custom planets and more than two planets and also stuff like orbiting, etc.)
I saw a video on youtube from Sebastian Lague about Solar systems and i learnt about Newtons Formula F = G x m1 x m2 / r squared. i also used the formula of acceleration, a = F / M to simulate the mass of the Planets.