Nix is a natural satellite of Pluto, with a diameter of 49.8 km across its longest dimension.  It was discovered along with Pluto's outermost moon Hydra in June 2005 by the Pluto Companion Search Team. It was named after Nyx, the Greek goddess of the night.  Nix is the third moon of Pluto by distance, orbiting between the moons Styx and Kerberos.

PDS Image Atlas

Cross-mission and cross-instrument searches for images and spectra from Cassini, Voyager 1 and 2, Galileo, New Horizons, and the Hubble Space Telescope

Nix Information Page

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