Moons are classed into two different types In accordance with their orbits: frequent moons, that have prograde orbits (they orbit from the course of their planets' rotation) and lie close to the plane in their equators, and irregular moons, whose orbits may be pro- or retrograde (versus the direction in https://bestmoons52963.thezenweb.com/bestmoons-no-further-a-mystery-72734867