diff --git a/PARAM_DEF/bepi_mpo_b2000.xml b/PARAM_DEF/bepi_mpo_b2000.xml
new file mode 100644
index 0000000..2327823
--- /dev/null
+++ b/PARAM_DEF/bepi_mpo_b2000.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="bepi_mpo_b2000">
+	<get>
+		<vi name="bepi:mpo:earth">
+			<baseParam name="B_J2000"/>
+		</vi>
+	</get>
+	<process></process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/bepi_mpo_bgse.xml b/PARAM_DEF/bepi_mpo_bgse.xml
new file mode 100644
index 0000000..31733d4
--- /dev/null
+++ b/PARAM_DEF/bepi_mpo_bgse.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="bepi_mpo_bgse">
+	<get>
+		<vi name="bepi:mpo:earth">
+			<baseParam name="B_GSE"/>
+		</vi>
+	</get>
+	<process></process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/bepi_mpo_bgsm.xml b/PARAM_DEF/bepi_mpo_bgsm.xml
new file mode 100644
index 0000000..c11c5fc
--- /dev/null
+++ b/PARAM_DEF/bepi_mpo_bgsm.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<param xml:id="bepi_mpo_bgsm">
+	<get>
+		<vi name="bepi:mpo:earth">
+			<baseParam name="B_GSM"/>
+		</vi>
+	</get>
+	<process></process>
+	<output/>
+</param>
--
libgit2 0.21.2