Moons are classed into two individual classes according to their orbits: common moons, that have prograde orbits (they orbit during the path in their planets' rotation) and lie near the plane of their equators, and irregular moons, whose orbits might be pro- or retrograde (in opposition to the way in https://moons50482.blog-ezine.com/34867164/the-2-minute-rule-for-best-moons