ERISOURSYSTEM.SPACE
ERIS
DATA SHEET
dwarf planet

Eris

2003 UB313

Discovered 05/01/2005 · Michael E. Brown, Chadwick Trujillo, David L. Rabinowitz

Discovery triggered Pluto's reclassification

Mean Radius
1,163 km
Gravity
0.82 m/s²
Temperature
42 K (-231°C)
Orbital Period
203830.0 d
Distance
68.049 AU
Physical Properties
Mean Radius1,163 km
Mass1.6600 × 10^22 kg
Surface Gravity0.82 m/s²
Density2.520 g/cm³
Escape Velocity1.38 km/s
Mean Temperature42 K (-231°C)
Axial Tilt0.00°
Rotation Period25.92 h
AtmosphereYes
Ring SystemNone
Known Moons1
Orbital Elements (J2000)
Semi-major Axis68.048950 AU
Eccentricity0.440680
Inclination44.0445°
Orbital Period203830.00 days
Asc. Node (Ω)35.95310°
Arg. Perihelion (ω)151.63900°
Mean Anomaly (M₀)205.98900°
Perihelion5765732799.000 AU
Aphelion14594512904.000 AU
Known Moons (1)
Dysnomie
3D ViewImage Gallery
Data Sources
Physical & orbital data: Solar System OpenData API (api.le-systeme-solaire.net) · Orbital elements: NASA JPL Horizons System (J2000 epoch)