Neptune's Statistics

Equatorial diameter:
48,600 km

Mass:
17.2 (Earth = 1)

Mean Relative Density:
1.66 (water = 1)

Surface Gravity:
1.23 (Earth = 1)

Escape Velocity:
23.6 km/sec

Distance from the Sun:
fartherst: 4,539,800,000 km
nearest: 4,432,500,000 km
mean: 4,486,100,000 km

Orbital Period:
165 earth-years

Rotational Period:
19 hours

Satellites:
2