diff --git a/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php b/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
index 30ae6cf..4227e26 100644
--- a/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
+++ b/src/StarsystemGenerator/Config/PlanetMoonProbabilities.php
@@ -37,6 +37,7 @@ final class PlanetMoonProbabilities implements PlanetMoonProbabilitiesInterface
         305 => 9,
         303 => 9,
         301 => 9,
+        311 => 9
     ];