Charon
LOCATION
Charon is the largest natural satellite of Pluto. In Mass Effect, Charon was actually a mass relay encased in ice and orbiting Pluto.


Charon is the largest of Pluto's three moon. It was discovered on June 22 1978 by American astronomer James W. Christy. Charon is about half the size of Pluto which a diameter of 750.02 miles (1207 km) and is covered in frozen water. Even though Charon is considered a moon of Pluto it does not revolve around Pluto but instead Pluto and Charon both revole around a center point between them every 6.387 days. The average distance between Charon and Pluto is 12,160 miles(19,570 km)