Universe Guide

Prospero, Moon of Uranus

Prospero is a Moon that orbits round the planet Uranus. It is also know by other designations, UXVIII, S/1999 U3. Its mass is estimated/calculated at being 98,912,116,584,414,800 kg. Its density has been calculated at being 1.5. Its volume is 65450.

Prospero was discovered on 18 July 1999 by Matthew J. Holman, John J. Kavelaars, Brett J. Gladman, Jean-Marc Petit, and Hans Scholl.

The orbital period, i.e. the period it takes to complete an orbit round Uranus is 1977.3 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Equatorial Radius of the object is 25km. The Equatorial Radius is based on the assumption of the Albedo value. The value is the radius in km of the said object at the Equator.

The albedo of the object is 0.07. The Albedo is the amount of radiation that is reflected back into space by the object.

The Escape Velocity of the object is 83 km/h. The Escape Velocity is the speed an object needs to be travelling in order to break free from the objects gravity. The larger an object is, the more velocity (speed) is needed to break free from the object.The Semi-Major Axis of the orbit is 16256, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Prospero is 157.1 km. The surface area of Prospero is 7,853.98. The surface gravity of the said item is 0.011. The Mean orbit velocity, that is the speed at which it orbits is 2043.20 km/h. The is the average distance in km of the object is from its parent 16276800.00.

The orbital inclination, the angle at which Prospero orbits in relation to the orbital plane is 151.83 degrees. The orbital eccentricity is 0.4445, it is the degree at which Prospero orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Prospero Facts

DesignationsUXVIII, S/1999 U3
Mass (kg)98,912,116,584,414,800
Density (g/cm^3)1.5
Volume (km^3)65450
Orbital DirectionRetrograde, opposite to the parents direction
Date of Discovery18 July 1999
DiscovererMatthew J. Holman, John J. Kavelaars, Brett J. Gladman, Jean-Marc Petit, and Hans Scholl
Orbital Period (days)1977.3
Equatorial Radius (km)25
Escape Velocity (km/h)83
Semi-Major Axis (10^3 km)16256
Equatorial Circumference (km)157.1
Surface Area (km^2)7,853.98
Surface Gravity (m/s^2)0.011
Mean Orbit Velocity (km/h)2043.20
Average Orbit Distance (km)16276800.00
Orbital Inclination (degrees)151.83
Orbital Eccentricity0.4445

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