**Callirrhoe** is a Moon that orbits round the planet Jupiter. Its orbit circumference, the total distance it travels round its planetary parent is 148,360,304.47 km. The furthest it gets from its orbital parent (apoasis) is 30,920,456 km. Its mass is estimated/calculated at being 869,227,691,196,372 kg. Its density has been calculated at being 2.6 g/cm3. Its volume is 333 km3.

Callirrhoe was discovered on 19 October 1999 by Jim V. Scotti, Timothy B. Spahr, Robert S. McMillan, Jeffrey A. Larsen, Joe Montani, Arianna E. Glea.

The orbital period, i.e. the period it takes to complete an orbit round Jupiter is 758.82 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Semi-Major Axis of the orbit is 24,102,000 km, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Callirrhoe is 27.0 km. The mean radius, that is the average radius of Callirrhoe is 4.3 km. The surface area of Callirrhoe is 232.35 km2. The surface gravity of the said item is 0.003 m/s2. The average orbit velocity, that is the speed at which it orbits is 8,147.0 km/h.

The orbital inclination, the angle at which Callirrhoe orbits in relation to the orbital plane is 147.155 degrees. The orbital eccentricity is 0.2829, it is the degree at which Callirrhoe orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Pasiphae group of Jovian Moons are all believed to have been created from the same source, notably through the result of an asteroid collision. The remnants were captured by Jupiters immense gravity and became satellites.

The largest of the group is Pasiphae from which the group gets it name from. Although, believed to be the result of a collision, confidence in this is lower than other groups because amongst other things, they all have differing colours, eccentricity and inclination.

There is doubt as to whether Sinope is from the same source as the others. It may exhibit some of the characteristics but there is more to indiciate that its source is elsewhere. Pasiphae contains 99% of the mass of the group without Sinope being included, otherwise it is down to 87% N.A.S.A.

Type | Moon |

Orbital Circumference | 148,360,304.47 km |

Furthest from parent (Apoasis) | 30,920,456 km |

Mass | 869,227,691,196,372 kg |

Density | 2.6 g/cm3 |

Volume | 333 km3 |

Orbital Direction | Retrograde, opposite to the parents direction |

Date of Discovery | 19 October 1999 |

Discoverer | Jim V. Scotti, Timothy B. Spahr, Robert S. McMillan, Jeffrey A. Larsen, Joe Montani, Arianna E. Glea |

Orbital Period | 758.82 |

Semi-Major Axis | 24,102,000 km |

Equatorial Circumference | 27.0 km |

Mean Radius | 4.3 km |

Surface Area | 232.35 km2 |

Surface Gravity | 0.003 m/s2 |

Average Orbit Velocity | 8,147.0 km/h |

Orbital Inclination | 147.155 |

Orbital Eccentricity | 0.2829 |

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