21 Lutetia
Physical Properties
- Mean Radius
- 42.5km
- Equatorial Radius
- 0km
- Polar Radius
- 0km
- Mass
- 1.70e+18 kg
- Volume
- —
- Density
- 1g/cm³
- Gravity
- 0m/s²
- Escape Velocity
- 0m/s
- Flattening
- 0
- Average Temperature
- 0.0 K (-273.1 °C)
- Axial Tilt
- 0°
- Semimajor Axis
- 3.64e+8km
- Perihelion
- 3.05e+8km
- Aphelion
- 4.24e+8km
- Eccentricity
- 0.164
- Inclination
- 3.064°
- Sidereal Orbit
- 0.39 hours
- Sidereal Rotation
- 0 seconds
- Mean Anomaly
- 0°
- Argument of Periapsis
- 0°
- Longitude of Ascending Node
- 0°
Discovery Information
- Discovered By
- H. M. S. Goldschmidt
- Discovery Date
- 12/11/1852
Raw Data