diff --git a/PARAM_DEF/so_lat_sun.xml b/PARAM_DEF/so_lat_sun.xml
new file mode 100644
index 0000000..458877c
--- /dev/null
+++ b/PARAM_DEF/so_lat_sun.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="so_lat_sun">
+	<get>
+		<vi name="so:orb:all">
+			<baseParam name="LAT_IAU_SUN"/>
+		</vi>
+	</get>
+	<process>$so_orb_all_LAT_IAU_SUN*RAD2DEG</process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/so_lon_sun.xml b/PARAM_DEF/so_lon_sun.xml
new file mode 100644
index 0000000..55146e9
--- /dev/null
+++ b/PARAM_DEF/so_lon_sun.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="so_lon_sun">
+	<get>
+		<vi name="so:orb:all">
+			<baseParam name="LON_IAU_SUN"/>
+		</vi>
+	</get>
+	<process>$so_orb_all_LON_IAU_SUN*RAD2DEG</process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/so_r_sun.xml b/PARAM_DEF/so_r_sun.xml
new file mode 100644
index 0000000..64993f0
--- /dev/null
+++ b/PARAM_DEF/so_r_sun.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="so_r_sun">
+	<get>
+		<vi name="so:orb:all">
+			<baseParam name="R_IAU_SUN"/>
+		</vi>
+	</get>
+	<process>$so_orb_all_R_IAU_SUN/ASTRONOMICAL_UNIT</process>
+	<output/>
+</param>
--
libgit2 0.21.2