The number of satellites or moons each planet has varies. Here's a summary of the approximate number of known natural satellites for each planet in our solar system:
- Mercury: 0 known natural satellites.
- Venus: 0 known natural satellites.
- Earth: 1 natural satellite, which is the Moon.
- Mars: 2 known natural satellites, Phobos and Deimos.
- Jupiter: At least 80 known natural satellites. The four largest moons are called the Galilean moons: Io, Europa, Ganymede, and Callisto.
- Saturn: At least 82 known natural satellites. The largest moon is called Titan.
- Uranus: 27 known natural satellites. The largest moons are Titania, Oberon, Umbriel, Ariel, and Miranda.
- Neptune: 14 known natural satellites. The largest moon is Triton.
- Pluto: 5 known natural satellites. The largest moon is Charon.
It's important to note that the number of known satellites may change as new discoveries are made through astronomical observations and space exploration missions.