diff --git a/PARAM_DEF/bepi_lat_hae.xml b/PARAM_DEF/bepi_lat_hae.xml
index b8d3ada..cf2162c 100644
--- a/PARAM_DEF/bepi_lat_hae.xml
+++ b/PARAM_DEF/bepi_lat_hae.xml
@@ -5,6 +5,6 @@
          <baseParam name="HEE"/>
         </vi>
   </get>
-  <process description="LAT HAE">atan($bepi_cruise_all_HEE[3]/sqrt(($bepi_cruise_all_HEE[1])^2 + ($bepo_cruise_all_HEE[2])^2))*RAD2DEG</process>
+  <process description="LAT HAE">atan($bepi_cruise_all_HEE[3]/sqrt(($bepi_cruise_all_HEE[1])^2 + ($bepi_cruise_all_HEE[2])^2))*RAD2DEG</process>
   <output/>
 </param>
\ No newline at end of file
diff --git a/PARAM_DEF/mercury_lat_hae.xml b/PARAM_DEF/mercury_lat_hae.xml
new file mode 100644
index 0000000..b1f806e
--- /dev/null
+++ b/PARAM_DEF/mercury_lat_hae.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="mercury_lat_hae">
+  <get>
+        <vi name="mercury:orb:all">
+         <baseParam name="HEE"/>
+        </vi>
+  </get>
+  <process description="LAT HAE">atan($mercury_orb_all_HEE[3]/sqrt(($mercury_orb_all_HEE[1])^2 + ($mercury_orb_all_HEE[2])^2))*RAD2DEG</process>
+  <output/>
+</param>
diff --git a/PARAM_DEF/mercury_lon_hae.xml b/PARAM_DEF/mercury_lon_hae.xml
new file mode 100644
index 0000000..29ecf7b
--- /dev/null
+++ b/PARAM_DEF/mercury_lon_hae.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="mercury_lon_hae">
+  <get>
+        <vi name="mercury:orb:all">
+         <baseParam name="HEE"/>
+        </vi>
+  </get>
+  <process description="LON HAE">atan($mercury_orb_all_HEE[2]/$mercury_orb_all_HEE[1])*RAD2DEG</process>
+  <output/>
+</param>
diff --git a/PARAM_DEF/psp_lat_hae.xml b/PARAM_DEF/psp_lat_hae.xml
new file mode 100644
index 0000000..55b8969
--- /dev/null
+++ b/PARAM_DEF/psp_lat_hae.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="psp_lat_hae">
+  <get>
+        <vi name="psp:orb:all">
+         <baseParam name="HEE"/>
+        </vi>
+  </get>
+  <process description="LAT HAE">atan($psp_orb_all_HEE[3]/sqrt(($psp_orb_all_HEE[1])^2 + ($psp_orb_all_HEE[2])^2))*RAD2DEG</process>
+  <output/>
+</param>
diff --git a/PARAM_DEF/psp_lon_hae.xml b/PARAM_DEF/psp_lon_hae.xml
new file mode 100644
index 0000000..343d3e1
--- /dev/null
+++ b/PARAM_DEF/psp_lon_hae.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="psp_lon_hae">
+  <get>
+        <vi name="psp:orb:all">
+         <baseParam name="HEE"/>
+        </vi>
+  </get>
+  <process description="LON HAE">atan($psp_orb_all_HEE[2]/$psp_orb_all_HEE[1])*RAD2DEG</process>
+  <output/>
+</param>
\ No newline at end of file
--
libgit2 0.21.2