| Ananke Statistics | |
|---|---|
| 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 (degrees) | 147 |
| Escape velocity (km/sec) | 0.0184 |
| Visual geometric albedo | ? |
| Magnitude (Vo) | 18.9 |