A Picture of Pluto's Moon Nix

Nix Facts

  • Moon Name: Nix
  • Designation: Pluto II
  • Date Discovered: June 15th, 2005
  • Discovered by: Pluto Companion Search Team
  • Average Orbit of Pluto: 30,257 mi
  • Longest Axis: 30.9 mi
  • Shortest Axis: 19.3 mi

12 Nix Facts for Kids

  1. Nix is one of Pluto’s five known moons (natural satellites).
  2. Nix is named after the Greek goddess Nyx, who was the goddess of night.
  3. Nix is also designated as Pluto II.
  4. Nix was discovered on June 15th, 2005 by the Pluto Companion Search Team.
  5. Nix was discovered using images taken by the Hubble Space Telescope.
  6. Nix was discovered on the same day Hydra, another moon orbiting Pluto.
  7. Nix completes an orbit around Pluto every 24.85 days.
  8. It’s estimated that Nix completes a full rotation every 43.9 hours.
  9. Nix is the third farthest moon from the dwarf planet Pluto.
  10. Nix is the third largest moon orbiting Pluto.
  11. Nix is estimated to be around 5,000 times fainter than Pluto.
  12. The NASA space probe New Horizons visited the Pluto system in 2015 and took images of Nix.

Additional Resources on Pluto's moon Nix