Mass8.686e+25 kg
Equatorial radius25,559 km
Mean density1.29 gm/cm^3
Rotational period-17.9 hours
Orbital period84.01 years
Mean orbital velocity6.81 km/sec
Tilt of axis97.86 deg
Equatorial surface gravity7.77 m/sec^2
Equatorial escape velocity21.30 km/sec
Mean cloud temperature-193°C