Quick answer · Updated October 2026
How many moons does Saturn have?
Saturn has 285 confirmed moons as of March 2026, the most of any planet in the solar system. The largest is Titan (5,150 km diameter), the only moon with a thick atmosphere. The second-largest is Rhea. Other named major moons include Enceladus, Iapetus, Dione, Tethys, and Mimas. Most of Saturn's moons are small, irregular, and likely captured.
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- In 2023 alone, astronomers added 62 new Saturn moons, jumping the count from 83 to 145.
- Titan is larger than the planet Mercury and has lakes of liquid methane on its surface.
- Enceladus has water-ice geysers feeding Saturn's E ring, and a global subsurface ocean.
- Saturn likely has many more small moons yet to be discovered.
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