diff --git a/msg/orbit_status.msg b/msg/orbit_status.msg
index 63a06f87f5..7a3d061ac1 100644
--- a/msg/orbit_status.msg
+++ b/msg/orbit_status.msg
@@ -1,5 +1,5 @@
 uint64 timestamp # time since system start (microseconds)
-float64 radius   # Radius of the orbit circle. Positive values orbit clockwise, negative values orbit counter-clockwise. [m]
+float32 radius   # Radius of the orbit circle. Positive values orbit clockwise, negative values orbit counter-clockwise. [m]
 uint8 frame      # The coordinate system of the fields: x, y, z.
 float64 x        # X coordinate of center point. Coordinate system depends on frame field: local = x position in meters * 1e4, global = latitude in degrees * 1e7.
 float64 y        # Y coordinate of center point. Coordinate system depends on frame field: local = y position in meters * 1e4, global = latitude in degrees * 1e7.