* Triton: Discovered in 1846 by William Lassell (just 17 days after Neptune itself was discovered).
* Nereid: Discovered in 1949 by Gerard Kuiper.
* Naiad, Thalassa, Despina, Galatea, Larissa, Proteus: All discovered by Voyager 2 in 1989.
* Halimede, Psamathe: Discovered in 2002 by Matthew J. Holman et al. using archival images.
* Sao: Discovered in 2002 by Scott S. Sheppard et al.
* Laomedeia: Discovered in 2002 by Scott S. Sheppard et al.
* Neso: Discovered in 2002 by Matthew J. Holman et al. using archival images.
* Hippocamp: Discovered in 2013 by Mark R. Showalter using archival images from the Hubble Space Telescope.
Interesting Facts:
* Triton is the largest moon of Neptune and has a retrograde orbit, meaning it orbits in the opposite direction of Neptune's rotation.
* Neptune's moon system is complex and diverse, with moons of different sizes and orbital characteristics.
Hope this helps!
