Psamathe
Psamathe is a moon of the planet Neptune.
Facts About Psamathe:
- Psamathe is the 13th moon by averagre distance from Neptune.
- It has a retrograde orbit, so it orbits in the opposite direction to Neptune's rotation.
- It has a very eccentic orbit, meaning that its distance from Neptune varies a lot. At its farthest point from Neptune, it's almost as far as Mercury's farthest point from the Sun.
Classification: Moon (orbiting Neptune)
Names: Psamathe, Neptune X
Discovered: 2003 by S.S. Sheppard, D.C. Jewitt, and J. Kleyna
Naming: Named after one the Nereids, sea-nymphs from Greek mythology that are associated with Poseidon (Neptune).
Diameter: 38 km
Orbital Period: 9128.74 Earth days (24.9 Earth years)
Eccentricity: 0.46170000
Albedo: 0.0400
Adjective: Psamathean