Board Thread:Speculation House/@comment-6831176-20130730010639/@comment-5130342-20130801114714

Apart from Ben-sama's explanation (thank you kindly), it also isn't impossible for a heavenly body to have two satellites. Although, granted, the RWBYverse('s home planet, whatever it's called) needs to have sufficient mass to keep those two moons, one whole and one fragmented, within its orbit.

... But then again, this isn't reality, so... *shrugs*