Psamathe / ˈ s æ m ə θ iː /, also known as Neptune X, is a retrograde irregular satellite of Neptune. It is named after Psamathe, one of the Nereids. Psamathe was discovered by Scott S. Sheppard and David C. Jewitt in 2003 using the 8.2 meter Subaru Telescope. [5]

Psamathe or Neptune X, is a non-spherical moon of Neptune. Psamathe was found by Scott S. Sheppard and David C. Jewitt in 2003 . It orbits Neptune at a distance of about 46,695,000 km and takes almost 25 Earth years to make one orbit.

The bright blue diffraction star is Triton, Neptune's largest moon; while Hippocamp, its smallest regular moon, is too small to be seen. The planet Neptune has 16 known moons, which are named for minor water deities and a water creature in Greek mythology.

2025年1月13日 · Psamathe is a moon that orbits the planet Neptune and has a surface area of 5,026.55 and semi-major axis of 48390.

2024年5月21日 · Neptune, the eighth and last planet from the Sun since the demotion of Pluto in 2006, has 13 known moons. This is about half that of its sister planet Uranus, and a quarter that of Jupiter or Saturn. For its large mass, about 17 times that of …

Psamathe is a moon of the planet Neptune. 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.

Psamathe is one of Neptune's fourteen moons. It has a diameter of 38 kilometres (24 miles). It orbits at an average distance of 46.7 million kilometres (29 million miles) from Neptune, taking 9,117 Earth days to complete a full journey around the planet.

Psamathe is the 2nd smallest moon of planet Neptune. Not much is known about this moon. For a listing of all moons, see Moons of the Planets.

2003年6月10日 · Psamathe or Neptune X, is a non-spherical moon of Neptune. Psamathe was found by Scott S. Sheppard and David C. Jewitt in 2003 . It orbits Neptune at a distance of about 46,695,000 km and takes almost 25 Earth years to make one orbit.

Psamathe (moon), moon of Neptune; Psamathe, polychaete worm genus; Psamathe, 1880 painting of the Nereid by Frederic Leighton