*Small Equation (Long day lol)
Based on this calc, Nagato's Chibaku Tensei was 802 Meters in Radius. Respectively, The moon is 1,737 km in Radius (or 1,737,000 Meters in Radius).
Using the only thing we have to go on, The Rikudo was 2,166 times stronger than Nagato.
Using this, we can also...