Learn about Pluto's five moons: Charon, Nix, Hydra, Styx, and Kerberos. Find out how they were discovered, what they are named for, and how they formed.

Pluto has five known moons: Charon, the largest, whose diameter is just over half that of Pluto; Styx; Nix; Kerberos; and Hydra. Pluto and Charon are sometimes considered a binary system because the barycenter of their orbits does not lie within either body, and they are tidally locked.

Learn about the five moons of Pluto, the dwarf planet in the Kuiper belt. Find out their names, sizes, distances, periods, and how they were discovered.

Pluto Moons - NASA. News & Articles. See All News. Article. 4 Min Read. 45 Years Ago: Astronomers Discover Pluto’s Moon Charon. Article. 5 Min Read. Using “Charon-light,” Researchers Image Pluto’s Dark Side in Faint Moonlight. Article. 13 Min Read. Five Years after New Horizons’ Historic Flyby, Here Are 10 Cool Things We Learned About… Article.

Learn about the five known moons of Pluto, the largest and most massive of which is Charon, which orbits in a synchronous rotation with the dwarf planet. Find out their names, distances, periods, sizes, densities, and surface features.

With half the diameter and one-eighth the mass of Pluto, Charon is a very large moon in comparison to its parent body. Its gravitational influence is such that the barycenter of the Plutonian system lies outside Pluto, and the two bodies are tidally locked to each other. [19]

Pluto possesses five known moons. Charon is by far the largest, being fully half the size of Pluto. Pluto’s other four moons—Hydra, Nix, Kerberos, and Styx—are much smaller than Charon.

Pluto has five known moons: Charon, Nix, Hydra, Kerberos, and Styx. Charon is the largest and orbits Pluto in the same time it takes Pluto to rotate. Learn more about Pluto's moons, orbit, and other features on NASA's website.

Learn about Pluto's five moons: Charon, Nix, Hydra, Kerberos and Styx. Discover their sizes, shapes, colors, origins and orbits from NASA's New Horizons mission.