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SESK: Stuff Everyone Should Know · sesk.info/aero-pluto-five-moons

How many known moons orbit Pluto?

Five, including the large moon Charon.

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  1. Two
  2. Five ✔
  3. Twelve

Why: Pluto has five known moons: Charon, Nix, Hydra, Kerberos and Styx. Charon is about half as wide as Pluto.

Huh, didn't know that: The same side of Charon always faces Pluto, which is called tidal locking.

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Pluto has five moons, so nighttime has a full guest list.
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References

Answer: Five. Pluto has five known moons: Charon, Nix, Hydra, Kerberos and Styx. Charon is about half as wide as Pluto.

  1. Pluto Facts science.nasa.gov/dwarf-planets/pluto/facts
    Pluto is orbited by five known moons, the largest of which is Charon.
    Checked 2026-10-10.

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