Moons of Planets in Solar System

• Neptune's Moons


  • Neptune has 14 known moons
  • Largest moon is Triton with a retrograde orbit
  • Nereid has a highly eccentric orbit
• Many moons in the solar system have been visited by spacecraft and explored in detail
• Mars' Moons (Phobos and Deimos)


  • Phobos orbits Mars at about 9,378 kilometers and completes one orbit in less than eight hours
  • Deimos orbits at about 23,460 kilometers and takes about 30.3 hours to complete one orbit
  • Both moons are irregularly shaped and thought to be captured asteroids
• Saturn's Moons

  • Saturn has 82 known moons
  • Titan is the largest moon with a thick nitrogen atmosphere
  • Enceladus has geysers of water vapor
  • Mimas is notable for Herschel Crater
• Earth's Moon (Luna)


  • Fifth largest natural satellite in the solar system
  • Diameter of about 3,474 kilometers
  • Characterized by impact craters, lava plains, highlands, and lunar mountains
  • Plays a crucial role in stabilizing Earth's axial tilt and regulating tides
• Jupiter's Moons

  • Jupiter has 79 known moons
  • Four largest moons are Io, Europa, Ganymede, and Callisto
  • Io is the most volcanically active body
  • Europa has a subsurface ocean
  • Ganymede is the largest moon with its own magnetic field
  • Callisto is heavily cratered and one of the oldest bodies
• Uranus' Moons

  • Uranus has 27 known moons
  • Largest moons are Titania and Oberon
  • Most moons named after characters from Shakespeare and Pope
• Missions like NASA's Galileo, Voyager, Cassini, and New Horizons have provided valuable data and images of moons
• Pluto's Moons

  • Pluto has five known moons
  • Largest moon is Charon, considered a binary system with Pluto
  • Other moons are Styx, Nix, Kerberos, and Hydra