Also be aware that without mods, KSP is not an n-body system, it has defined spheres of influence and the ships respond to gravity only from that object.

> On Jul 24, 2018, at 5:51 PM, Kelly St. Clair <xxxxxx@efn.org> wrote:
>
> Be aware that KSP will not address the stability issue (which, based on Mr. Cornish' post, may be a good thing); moons and planets are "on rails".  Only asteroids and smaller objects (like ships) are subject to real physics, or an approximation thereof.