# Perdita, Moon of Uranus

**Perdita** is a Moon that orbits round the planet Uranus. Its orbit circumference, the total distance it travels round its planetary parent is 480,126.02 km. The furthest it gets from its orbital parent (apoasis) is 77,303 km. It was discovered on 18 May 1999 (verified in Voyager 2 images dating back to January 18, 1986) by Erich Karkoschka / Voyager 2.

The Semi-Major Axis of the orbit is 76,417 km, which is the furthest point from the centre to the edge of an elliptical point.

The mean radius of Perdita is 15.0km (+/- 3). The average orbit velocity, that is the speed at which it orbits is 31,356.2 km/h.

The orbital inclination, the angle at which Perdita orbits in relation to the orbital plane is 0.47 degrees. The orbital eccentricity is 0.0116, it is the degree at which Perdita orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

## Perdita Facts

Type | Moon |

Orbital Circumference | 480,126.02 km |

Furthest from parent (Apoasis) | 77,303 km |

Date of Discovery | 18 May 1999 (verified in Voyager 2 images dating back to January 18, 1986) |

Discoverer | Erich Karkoschka / Voyager 2 |

Semi-Major Axis | 76,417 km |

Mean Radius | 15.0km (+/- 3) |

Average Orbit Velocity | 31,356.2 km/h |

Orbital Inclination | 0.47 |

Orbital Eccentricity | 0.0116 |

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