diff --git a/PARAM_DEF/ros_r_earth1.xml b/PARAM_DEF/ros_r_earth1.xml
index d51255a..bb75867 100644
--- a/PARAM_DEF/ros_r_earth1.xml
+++ b/PARAM_DEF/ros_r_earth1.xml
@@ -2,9 +2,9 @@
 <param xml:id="ros_r_earth1">
 	<get>
 		<vi name="ros:orb:earth1">
-			<baseParam name="R"/>
+			<baseParam name="R_GSE"/>
 			</vi>
 			</get>
-			<process description="km2re=1.5696e-4">$ros_orb_earth1_R*1.5696e-4</process>
+			<process>$ros_orb_earth1_R_GSE/RADIUS_EARTH</process>
 			<output/>
 			</param>
diff --git a/PARAM_DEF/ros_r_earth2.xml b/PARAM_DEF/ros_r_earth2.xml
index dff81d4..31462de 100644
--- a/PARAM_DEF/ros_r_earth2.xml
+++ b/PARAM_DEF/ros_r_earth2.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <param xml:id="ros_r_earth2"><get>
 		<vi name="ros:orb:earth2">
-			<baseParam name="R"/>
+			<baseParam name="R_GSE"/>
 			</vi>
 			</get>
-			<process description="km2re=1.5696e-4">$ros_orb_earth2_R*1.5696e-4</process>
+			<process>$ros_orb_earth2_R_GSE/RADIUS_EARTH</process>
 			<output/>
 			</param>
 
diff --git a/PARAM_DEF/ros_r_earth3.xml b/PARAM_DEF/ros_r_earth3.xml
index b2b4703..82307a1 100644
--- a/PARAM_DEF/ros_r_earth3.xml
+++ b/PARAM_DEF/ros_r_earth3.xml
@@ -2,9 +2,9 @@
 <param xml:id="ros_r_earth3">
 	<get>
 		<vi name="ros:orb:earth3">
-			<baseParam name="R"/>
+			<baseParam name="R_GSE"/>
 			</vi>
 			</get>
-			<process description="km2re=1.5696e-4">$ros_orb_earth3_R*1.5696e-4</process>
+			<process>$ros_orb_earth3_R_GSE/RADIUS_EARTH</process>
 			<output/>
 			</param>
diff --git a/PARAM_DEF/ros_r_mars.xml b/PARAM_DEF/ros_r_mars.xml
index a206939..bcaa689 100644
--- a/PARAM_DEF/ros_r_mars.xml
+++ b/PARAM_DEF/ros_r_mars.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0"?>
 <param xml:id="ros_r_mars">
 	<get><vi name="ros:orb:mars">
-			<baseParam name="R"/>
+			<baseParam name="MSO"/>
 			</vi>
 			</get>
-			<process description="km2rm=1.5696e-4">$ros_orb_mars_R*2.945e-4</process>
+			<process>magnitude($ros_orb_mars_MSO)/RADIUS_MARS</process>
 			<output/>
 			</param>
--
libgit2 0.21.2