Jupiter XII
Ananke [a-NANG-kee] is the thirteenth known satellite of Jupiter. Ananke and Zeus were the parents of Adrastea. Very little is known about Ananke.
Discovered by .................................. S. Nicholson Date of discovery ...................................... 1951 Mass (kg) .......................................... 3.82e+16 Mass (Earth = 1) ................................. 6.3922e-09 Equatorial radius (km) ................................... 15 Equatorial radius (Earth = 1) .................... 2.3518e-03 Mean density (gm/cm^3) .................................. 2.7 Mean distance from Jupiter (km) .................. 21,200,000 Rotational period (days) .................................. ? Orbital period (days) .................................. -631 Mean orbital velocity (km/sec) ........................ -2.44 Orbital eccentricity ................................. 0.1687 Orbital inclination ..................................... 147° Escape Velocity (km/sec) ............................. 0.0184 Visual geometric albedo ................................... ? Magnitude (Vo) ......................................... 18.9
Jupiter
Elara
Carme