136199 Eris
Alternative name: Also known as: 2003 UB313
Physical Properties
- Mean Radius
- 1,163km
- Equatorial Radius
- 0km
- Polar Radius
- 0km
- Mass
- 1.66e+22 kg
- Volume
- 6.59e+9 km³
- Density
- 2.52g/cm³
- Gravity
- 0.82m/s²
- Escape Velocity
- 1,380m/s
- Flattening
- 0
- Average Temperature
- 42.0 K (-231.1 °C)
- Axial Tilt
- 0°
- Semimajor Axis
- 1.02e+10km
- Perihelion
- 5.77e+9km
- Aphelion
- 1.46e+10km
- Eccentricity
- 0.441
- Inclination
- 44.045°
- Sidereal Orbit
- 2.36 days
- Sidereal Rotation
- 0.01 hours
- Mean Anomaly
- 205.989°
- Argument of Periapsis
- 151.639°
- Longitude of Ascending Node
- 35.951°
Discovery Information
- Discovered By
- Michael E. Brown, Chadwick Trujillo, David L. Rabinowitz
- Discovery Date
- 05/01/2005
Raw Data