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As of 2012, there are 4 known natural satellites (moons) of Pluto.

Charon was discovered in 1978, Nix and Hydra in 2005, and the fourth moon, provisionally called S/2011P1, was found in 2011. Charon's diameter is over half that of Pluto, and the Pluto-Charon pair actually represent a co-orbiting binary system. Nix and Hydra are both much smaller, having diameters estimated at between 5% and 7% of Pluto's.

There are no artificial satellites orbiting Pluto. The unmanned NASA probe "New Horizons" will pass near Pluto in 2015.

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13y ago

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