# Prometheus, Moon of Saturn

**Prometheus** is a Moon that orbits round Saturn rather than the Sun which our Earth orbits round. Its orbit circumference, the total distance it travels round its planetary parent is 875,749.31 km. The furthest it gets from its orbital parent (apoasis) is 139,687 km. Its mass is estimated/calculated at being 160,956,989,714,639,000 kg. Its density has been calculated at being 0.48 g/cm3. Its volume is 0.48 g/cm3. It was discovered in the year 1980 by S. A. Collins, D. Carlson, Voyager 1.

The Semi-Major Axis of the orbit is 139,380 km, which is the furthest point from the centre to the edge of an elliptical point.

The mass of the object is calculated at being 160,956,989,714,639,000 kg. The equatorial circumference of Prometheus is 270.8 km. The mean radius of Prometheus is 43.1 km. The surface area of Prometheus is 23,343.42 km2. The surface gravity of the said item is 0.006 m/s2. The average orbit velocity, that is the speed at which it orbits is 59,526.2 km/h.

The orbital inclination, the angle at which Prometheus orbits in relation to the orbital plane is 0.008 degrees. The orbital eccentricity is 0.0022, it is the degree at which Prometheus orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

## Prometheus Facts

Type | Moon |

Orbital Circumference | 875,749.31 km |

Furthest from parent (Apoasis) | 139,687 km |

Mass | 160,956,989,714,639,000 kg |

Density | 0.48 g/cm3 |

Volume | 335,367 km3 |

Year of Discovery | 1980 |

Discoverer | S. A. Collins, D. Carlson, Voyager 1 |

Semi-Major Axis | 139,380 km |

Mass | 160,956,989,714,639,000 kg |

Equatorial Circumference | 270.8 km |

Mean Radius | 43.1 km |

Surface Area | 23,343.42 km2 |

Surface Gravity | 0.006 m/s2 |

Average Orbit Velocity | 59,526.2 km/h |

Orbital Inclination | 0.008 |

Orbital Eccentricity | 0.0022 |

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