diff --git a/NewHorizons/External/Modules/OrbitModule.cs b/NewHorizons/External/Modules/OrbitModule.cs
index 10e6a8c4..a79677ce 100644
--- a/NewHorizons/External/Modules/OrbitModule.cs
+++ b/NewHorizons/External/Modules/OrbitModule.cs
@@ -76,8 +76,7 @@ namespace NewHorizons.External.Modules
         /// The semi-major axis of the ellipse that is the body's orbit. For a circular orbit this is the radius.
         /// </summary>
         [Range(0f, double.MaxValue)]
-        [DefaultValue(5000f)]
-        public float semiMajorAxis { get; set; } = 5000f;
+        public float semiMajorAxis { get; set; };
 
         /// <summary>
         /// The angle (in degrees) between the body's orbit and the plane of the star system