The Science Shtick
 
Our Solar System: Ananke
Mass 3.82*1019 g
Average Density 2.7 g/cm³
Equatorial Radius 1.5*106 cm
Period of Rotation ?
Orbital Radius 21.2*10¹¹ cm
Orbital Period -631 d
Discovered 1951 by S. Nicholson

Satellite of Jupiter