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Outer Planets Mod

The Outer Planets Mod is a mod that expands the outer edges of the Kerbol system to create something akin to the real Solar System's. It adds Kerbalized versions of Saturn, Uranus, Neptune and Pluto as well as several of these planets' moons. These faraway planets provide a challenge rarely encountered in Kerbal Space Program; you'll have to figure out new transfer windows, manage your power supply differently, provide your spacecraft with more Delta-V and be ready to travel years or even decades.

Latest version
2.2.12
Downloads
118.2k
Rating
334
Licence
CC-BY-NC-SA 4.0
Updated
9 mo ago
Available on
SpaceDock

Download

From Outer Planets Mod’s own host. Nothing is re-hosted here.

2.2.12release23 Dec 2025

outer-planets-mod-2.2.12.zip

Older versions6
  • 2.2.1022 Nov 2023Get
  • 2.116 Nov 2016Get
  • 2.021 May 2016Get
  • 1.9.5.12 May 2016Get
  • 1.9.52 May 2016Get
  • 1.9.222 Feb 2016Get

Frequently asked

What licence is Outer Planets Mod under?

CC-BY-NC-SA 4.0, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Outer Planets Mod?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Kerbal Space Program all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Outer Planets Mod safely?

From the author's own page on SpaceDock, which is where the data here is synced from. IndexGG never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Which Kerbal Space Program versions does Outer Planets Mod work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old mod with no declared version as untested on modern Kerbal Space Program.

Last checked 1 mo ago against SpaceDock. We do not host files and we do not republish descriptions; every download link points at the author’s own release.