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astronomyneptune (Neptune ** )

Astronomy — The Planet Neptune


Neptune

  • Distance from the Sun:  2,801,000,000 miles
  • Time for one solar circuit, in Earth years:  165 years
  • Miles traveled in one solar circuit:  17,590,000,000
  • Time for one axial rotation, in Earth hours:  16 hours
  • Orbital speed:  12,000 mph
  • Diameter:  28,000 miles
  • Neptune has three rings
  • Surface temperature:  -300 degrees Fahrenheit
  • Moons:  eight presently known
    • Triton – twice the size of Earth’s Moon
    • Nereid – has the most elliptical orbit of any known moon in the solar system
    • Others are Naiad, Galatea, Thalassa, Larissa, Proteus, Despina

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