**Ananke**

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.

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 |