<?xml version="1.0"?>
<param xml:id="r_mercury">
	<get>
		<vi name="mercury:orb:all">
			<baseParam name="R_IAU_SUN"/>
		</vi>
	</get>
	<process>$mercury_orb_all_R_IAU_SUN/ASTRONOMICAL_UNIT</process>
	<output/>
</param>