Epeuva, or S/2176(Osiris)01 , is the first of two moons of Osiris of the White Sun system, the world that Simon and River Tam grew up on. * Orbit: 96,100 km * Orbital Period: 6.83 Days * Diameter 1,846 km * Mass 1.220x10^20 Tonnes * Surface Gravity: 0.9726 * Date Terraformed: 2256 * Current Poplation: 2,911,000