Moons of Our Solar System
Naturally-formed bodies that orbit planets are called moons, or planetary satellites. Moons come in many shapes, sizes, and types. There are hundreds of moons in our solar system.
featured moons
Earth's Moon
The Moon makes Earth more livable by moderating its wobble.
Moons of Mars
Mars has two small moons - Phobos and Deimos.
Moons of Jupiter
Dozens of moons swarm around this giant world.
Moons of Saturn
Saturn has 274 moons, more than any other planet.
Moons of Uranus
Uranus moons are named for great literature.
Moons of Neptune
Neptune has 16 known moons.
Moons of Pluto
Pluto has five moons.
Explore Our Solar System's Moons
Our solar system has hundreds of known moons orbiting planets and dwarf planets. Even some asteroids have moons.
Moons – also called natural satellites – come in many shapes, sizes and types. They are generally solid bodies, and a few have atmospheres.
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How Many Moons?
Hundreds of moons orbit planets, dwarf planets - even asteroids.
As of March 25, 2025, there was a total of 891 confirmed moons in our solar system. Of those, 421 moons are orbiting planets (including Pluto). More than 470 moons are orbiting other dwarf planets, asteroids and trans-Neptunian objects (TNOs).
Latest Planetary Moon Count
Earth's Moon
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All About Our Moon
From lighting up our skies to maintaining a geological record of our solar system’s history, Earth’s closest celestial neighbor plays a pivotal role in the study of our planet and our solar system.
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It's Just a Phase
Sometimes the entire face of the Moon glows brightly. Other times we see only a thin crescent of light. Sometimes the Moon seems to disappear. These shifts are called moon phases.
Moons in Our Solar System
How big is Ganymede? How small is Deimos? Which moons might have what it takes to support life?
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Europa Clipper
Europa Clipper will search for signs of potential habitability on Jupiter's icy ocean moon Europa.
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