The Science Shtick
 
Our Solar System: Iapetus
Mass 1.88*1024 g
Average Density 1.21 g/cm³
Radius 730*105 cm
Period of Rotation 79.33018 d
Orbital Radius 3.5613*10¹¹ cm
Orbital Period 79.33018 d
Discovered 1671 by Giovanni Domenico Cassini

Satellite of Saturn