diff --git a/BoSLOO.pyproj b/BoSLOO.pyproj
index 2902410..b285e01 100644
--- a/BoSLOO.pyproj
+++ b/BoSLOO.pyproj
@@ -4,7 +4,7 @@
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>2bab9fec-2055-4075-95d0-f60299d91bd3</ProjectGuid>
     <ProjectHome>.</ProjectHome>
-    <StartupFile>BoSLOO.py</StartupFile>
+    <StartupFile>OrbitSim.py</StartupFile>
     <SearchPath>
     </SearchPath>
     <WorkingDirectory>.</WorkingDirectory>
@@ -21,7 +21,7 @@
     <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Include="BoSLOO.py" />
+    <Compile Include="OrbitSim.py" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\Python Tools\Microsoft.PythonTools.targets" />
   <!-- Uncomment the CoreCompile target to enable the Build command in
diff --git a/BoSLOO.py b/OrbitSim.py
similarity index 100%
rename from BoSLOO.py
rename to OrbitSim.py