Neptune

Constants

•  Mean Radius:               24622 km

•  Mass:                      17.2 (Earth=1)

•  Density:                   1.64 (g/cm^3)

•  Gravity:                   1.125 (Earth=1)

•  Orbit Period:              164.79 (Earth years)

•  Rotation Period:           0.67 (Earth days)

•  Semimajor Axis of Orbit:   30.058 au

•  Eccentricity of Orbit:     0.009

Here are Links to Some of the Satellites of Neptune

• Larissa
• Proteus
• Triton