This is a list of planet packs currently under development and not yet officially released, or they are released but still under heavy work. Some of them do have test versions available for collaborators.
|Name||Developer(s)||Description||Kopernicus Version||Test Version||Released?|
|Astro's Kopernicus Planets||Astrofox, The White Guardian, amarius1, Mr. Quark||Adds in several new planets and moons to the Kerbol system.||TBA||Yes||No|
|Galilean Planet Pack||Galileo, Poodmund, JadeOfMaar, ProtoJeb21, OhioBob, Fobok, Duski, Nhawks17||Replaces the stock system with the new Circo system.||1.2.1-3||Yes||Yes (v1.0.2)|
|ProtoJeb's Planets||ProtoJeb21||Adds in several candidate exoplanet systems discovered by ProtoJeb21||1.2.1-3||No||No|
|Stock Planet Expansion||SmashingKirby148, The White Guardian||Adds new moons to the stock KSP planets.||1.1.3-1||No||No|
|Kerbol StarSystem||StarCrusher96||Revamps the stock system; Adds 16 planets, 20 moons, and 3 stars||1.2.1-3||Yes||Yes (v0.4)|
|Kerbal Visions||_Augustus_||Adds in replicas of original KSP planets.||1.2.1-3||No||No|