Natural satellite == moon.
"Natural satellite" is a subset of "satellite", thus what you'd call them is correct by definition. Let's let the astronomers with credibility play and name the objects.
"Natural satellite" is a subset of "satellite", thus what you'd call them is correct by definition. Let's let the astronomers with credibility play and name the objects.
Slightly related, are all the particles in (eg) Saturn's rings wver referred to as moons?