Nix is one of three tiny moons of Pluto and was discovered along with Hydra by the Hubble Space Telescope in 2005. No successful occultation observations have yet been made, but an attempt was made on 4 March 2009.
- Attempted Observations of the 2009 Occultation of a Star by Nix (Pasachoff et al., B.A.A.S. 41, No. 4, 1186, December 2009)