Solar System
Pluto’s Satellite System
July 20, 2011 · NASA
This illustration shows the relative orbits of Pluto's moons: Charon, Nix, P4, and Hydra. The orbits are nearly circular and tilted to our line of sight, so they appear elongated.
More Hubble images of Pluto
Hubble's full photomap of PlutoMarch 7, 2022
Hubble discovers a fifth moon orbiting PlutoJune 26, 2013
Pluto’s Moon SystemJuly 20, 2011Pluto: June 28, 2011 (WFC/UVIS)July 20, 2011
Pluto: July 3, 2011 (WFC/UVIS)July 20, 2011
The Changing Faces of PlutoFebruary 4, 2010Pluto – HST – 90° LongitudeFebruary 4, 2010
Pluto – HST – 180° LongitudeFebruary 4, 2010