Japetus from Cassini-Huygens - approx. 3.000.000 Km away

Iapetus Data and Statistics
Discovered by = Giovanni Domenico Cassini
Date of discovery = 1671
Mass (kg) = 1.88e+21
Mass (Earth = 1) = 3.1459e-04
Equatorial radius = 730 Km
Equatorial radius (Earth = 1) = 1.1446e-01
Mean density (gm/cm^3) = 1.21
Mean distance from Saturn = 3.561.300 Km
Rotational period (days) = 79.33018
Orbital period (days) = 79,33018
Mean orbital velocity (km/sec) = 3,27
Orbital inclination (degrees) = 14,72°
Escape velocity (km/sec) = 0,586
Visual geometric albedo = 0,2
Magnitude (Vo) = 10,2-11,9