Enceladus

Saturn II

Enceladus Statistics
 Discovered by William Herschel 
 Date of discovery 1789 
 Mass (kg) 8.40e+19 
 Mass (Earth = 1) 1.4056e-05 
 Equatorial radius (km) 250 
 Equatorial radius (Earth = 1) 3.9197e-02 
 Mean density (gm/cm^3) 1.24 
 Mean distance from Saturn (km) 238,020 
 Rotational period (days) 1.370218 
 Orbital period (days) 1.370218 
 Mean orbital velocity (km/sec) 12.64 
 Orbital eccentricity 0.0045 
 Orbital inclination (degrees) 0.02 
 Escape velocity (km/sec) 0.212 
 Visual geometric albedo 0.99 
 Mean surface temperature -201°C 
 Magnitude (Vo) 11.7 

Enceladus/UIUC/sulfridg@uiuc.edu /revised August 98