diff --git a/OemLoader/EphemerisTrajectory.cs b/OemLoader/EphemerisTrajectory.cs
index 9364be8..5027d1e 100644
--- a/OemLoader/EphemerisTrajectory.cs
+++ b/OemLoader/EphemerisTrajectory.cs
@@ -29,8 +29,16 @@ public readonly partial struct EphemerisTrajectory
     public void DrawTrajectory(Viewport viewport, IParentBody parent, byte4 colour)
     {
         if (!Program.DrawUI) return;
-
+        
         var camera = viewport.GetCamera();
+        // If not in map mode, don't draw trajectory line if we are too zoomed in
+        // (match stock behaviour for orbit lines)
+        if (viewport.Mode != CameraMode.Map && camera.Following is not null)
+        {
+            var distance = camera.DistanceTo(camera.Following.GetPositionEcl());
+            if (distance < 500000) return; // constant from KSA.Astronomical.ShouldDrawUiOrLines
+        }
+        
         Span<float3> positions = stackalloc float3[Count];
         for (var i = 0; i < Count; ++i)
         {