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Neptune as seen from orbit

Neptune (also known as Sol VIII) is the eighth planet of the Sol system.

A gas giant class planet, Neptune was a charter member of the United Federation of Planets in 2161.

The fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet, this planet orbits the sun once every 164.8 years at an average distance of 30.1 AU.

It also has a faint and fragmented ring system (labelled commonly as "arcs").

  • The three main rings are the narrow Adams Ring, the Le Verrier Ring, at 53,000 km, and the Galle Ring, at 42,000 km.
  • A faint outward extension to the Le Verrier Ring has been named "Lassell"; it is bounded at its outer edge by the Arago Ring at 57,000 km.

Fun Facts:

  • At warp 4.5, it takes six minutes to travel from Earth to Neptune and back.
  • In 2063, the Vulcan scout ship T'Plana-Hath was near Neptune when it detected Zefram Cochrane’s warp flight.
  • There were colonies on this planet since before Captain Kirk's time.

Astronomical data



  • Sol VIII
  • Neptune

Moons (14)

  • Naiad
  • Thalassa
  • Despina
  • Galatea
  • Larissa
  • Hippocamp (smallest)
  • Proteus
  • Triton (largest)
  • Nereid
  • Halimede
  • Sao
  • Laomedeia
  • Psamathe
  • Neso