About Nix
Nix is a small, elongated moon of Pluto, about 50 km on its longest axis, discovered by the Hubble Space Telescope in 2005. It rotates chaotically (its rotation axis and period change unpredictably because of torques from Pluto and Charon). Imaged by New Horizons in 2015.
Physical Properties
Orbit
Gallery
Hand-picked mission imagery of Nix sourced from NASA and partner archives. Click any photo for full resolution and source attribution.
Imagery on this page is provided by the original mission teams. Full attribution terms: Image Rights & Credits.
Sources & Further Reading
- NASA — official mission / factsheet page
- Wikipedia — extensive cross-referenced article
- NASA u2014 Nix
Numerical values (radius, mass, orbital elements, temperatures) are drawn from NASA NSSDC Planetary Fact Sheets, JPL Horizons, and the JPL Small-Body Database. Last refreshed: 2026-06-08 01:37:02.