What are some algorithms that will allow me to simulate planetary physics?

Question

I\'m interested in doing a \"Solar System\" simulator that will allow me to simulate the rotational and gravitational forces of planets and stars.

I\'d like to be able t

Answer 1

This is a great tutorial on N-body problems in general.

http://www.artcompsci.org/#msa

It's written using Ruby but pretty easy to map into other languages etc. It covers some of the common integration approaches; Forward-Euler, Leapfrog and Hermite.