I'm and Atheist and Believe in Predeterminism: Prove Me Wrong

[Gugel]

I'm assuming here that the Universe is governed by laws that might exist beyond a human's understanding. For example, the orbit of electrons around the nucleus of an atom are governed by laws that we don't currently understand and are not simply random.

That being said, lets imagine some omnipotent being. It would know the location of every particle of matter in the Universe and all the forces acting on each particle. Now, if that were true, it should be able to predict where each and every particle would go into infinity. For example, if you know the position of a ball and the forces acting on it, you can predict its trajectory to infinity. Just imagine that ball on a subatomic scale. Now, take away the omnipotent being that the trajectory for every particle, although impossible for humans to figure out, would still theoretically be there. It would seem the position of every particle is predetermined by sum of all the forces in the Universe and some known/unknown natural laws.

Prove me wrong.