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Neptune’s Moons

Neptune’s Moons

Neptune has 14 known moons. Key moons include:

  • Triton:
    • Diameter: 2,710 km (1,678 miles)
    • Orbit:
      • Average Distance from Neptune: 354,800 km (220,000 miles)
      • Orbital Period: 5.9 days
    • Composition: Ice and rock, with a thin atmosphere of nitrogen.
    • Surface Features: Icy surface with geysers that eject nitrogen gas.
  • Proteus:
    • Diameter: 418 km (260 miles)
    • Orbit:
      • Average Distance from Neptune: 117,600 km (73,000 miles)
      • Orbital Period: 1.1 days
    • Composition: Icy and rocky.
    • Surface Features: Dark, heavily cratered surface.

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