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Perdita, Moon of Uranus

Perdita is a Moon that orbits round Uranus rather than the Sun which our Earth orbits round. 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


TypeMoon
Orbital Circumference480,126.02 km
Furthest from parent (Apoasis)77,303 km
Date of Discovery18 May 1999 (verified in Voyager 2 images dating back to January 18, 1986)
DiscovererErich Karkoschka / Voyager 2
Semi-Major Axis76,417 km
Mean Radius15.0km (+/- 3)
Average Orbit Velocity31,356.2 km/h
Orbital Inclination0.47
Orbital Eccentricity0.0116




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