Neptune
Physical Properties
- Mean Radius
- 24,622km
- Equatorial Radius
- 24,764km
- Polar Radius
- 24,341km
- Mass
- 1.02e+26 kg
- Volume
- 6.25e+13 km³
- Density
- 1.638g/cm³
- Gravity
- 11.15m/s²
- Escape Velocity
- 23,560m/s
- Flattening
- 0.017
- Average Temperature
- 55.0 K (-218.1 °C)
- Axial Tilt
- 28.3°
- Semimajor Axis
- 4.50e+9km
- Perihelion
- 4.46e+9km
- Aphelion
- 4.54e+9km
- Eccentricity
- 0.011
- Inclination
- 1.769°
- Sidereal Orbit
- 16.72 hours
- Sidereal Rotation
- 0.00 hours
- Mean Anomaly
- 256.228°
- Argument of Periapsis
- 256.932°
- Longitude of Ascending Node
- 131.823°
Discovery Information
- Discovered By
- Urbain Le Verrier, John Couch Adams, Johann Galle
- Discovery Date
- 23/09/1846
Raw Data