Kopernicus Continued Planetary System Modifier is a mod that provides for the graceful introduction of custom celestial bodies in Kerbal Space Program.
For those wondering, this is the new thread for the stable branch of Kopernicus under management of R-T-B. @prestja's old thread can be considered closed, and will soon feature a redirect link to here. This was done because @prestja though still a project member is busy with school and we did not want to bother him for every conceivable ed
Yes. For OPM you'd usually want to use "Stock." (since it is a stock derived system) The default is "true" which would result in no comets (Kopernicus's generator can't cope with them), but in the very distant past it was "stock" by default You may have a Kopernicus_Config.cfg file that has "stock" grandfathered in, or an even older one where the Kopernicus generator was patched to generate comets (it was kinda buggy but it did try).
For @king of nowhere, I would advise