diff --git a/ZeroSpace/ZeroSpace.Model/StarSystemData.cs b/ZeroSpace/ZeroSpace.Model/StarSystemData.cs
index 9ced4b5..96751c6 100644
--- a/ZeroSpace/ZeroSpace.Model/StarSystemData.cs
+++ b/ZeroSpace/ZeroSpace.Model/StarSystemData.cs
@@ -18,4 +18,6 @@ public sealed record StarSystemData(
     string? OccupationBuff,
     string? SystemMastery,
     IReadOnlyList<string> ConnectedSystems,
+    double X,
+    double Y,
     string Body);