Physical Properties
Mean Radius25,362 km
Mass8.6810 × 10^25 kg
Surface Gravity8.87 m/s²
Density1.271 g/cm³
Escape Velocity21.30 km/s
Mean Temperature76 K (-197°C)
Axial Tilt97.77°
Rotation Period17.24 h (retrograde)
AtmosphereYes
Ring SystemYes
Orbital Elements (J2000)
Semi-major Axis19.191264 AU
Eccentricity0.04716771
Inclination0.76986°
Asc. Node (Ω)74.22988°
Arg. Perihelion (ω)170.96424°
Mean Anomaly (M₀)313.23218°
Orbital Period30688.500 days
Perihelion18.286 AU
Aphelion20.097 AU