So far at least, no submoons have been found orbiting any of the moons considered most likely to support them – Jupiter’s moon Callisto, Saturn’s moons Titan and Iapetus and Earth’s own moon.

What is it called when a moon has a moon?

A moon orbiting another moon is called a moon moon by some and summon by other scientists. In our Universe, it is common knowledge that moons orbit planets. Due to the gravitational pull of objects with mass, certain other objects call fall into stable orbits around them.

What happens if a moon has a moon?

According to the paper, what they found is that in most cases there’s just not enough space for a submoon to orbit another moon. Tidal forces would pull the little moon toward the host planet, ripping the mini moon to pieces.

Earth’s moon may not be alone. After more than half a century of speculation and controversy, Hungarian astronomers and physicists say they have finally confirmed the existence of two Earth-orbiting “moons” entirely made of dust.