Universe Guide

Hyperion, Moon of Saturn

Hyperion is a Moon that orbits round the planet Saturn. Its mass is estimated/calculated at being 5,585,537,250,153,240,000 kg. Its density has been calculated at being 0.544. Its volume is 10305995.

It was discovered in the year 1848 by W. & G. Bond, W. Lassell.

The orbital period, i.e. the period it takes to complete an orbit round Saturn is 21.27661 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 135km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 268 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 1481.1, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Hyperion is 848.2 km. The surface area of Hyperion is 229,022.10. The surface gravity of the said item is 0.020. The Mean orbit velocity, that is the speed at which it orbits is 18462.90 km/h. The is the average distance in km of the object is from its parent 1500934.00.

The orbital inclination, the angle at which Hyperion orbits in relation to the orbital plane is 0.43 degrees. The orbital eccentricity is 0.232, it is the degree at which Hyperion orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Hyperion was one of the first moons to be discovered that was not spherical in shape. The largest non-spherical moon title goes to Proteus which one of the moons of Neptune.

Hyperion Facts

Mass (kg)5,585,537,250,153,240,000
Density (g/cm^3)0.544
Volume (km^3)10305995
Orbital DirectionPrograde, same as the parents direction
Year of Discovery1848
DiscovererW. & G. Bond, W. Lassell
Orbital Period (days)21.27661
Equatorial Radius (km)135
Escape Velocity (km/h)268
Semi-Major Axis (10^3 km)1481.1
Equatorial Circumference (km)848.2
Surface Area (km^2)229,022.10
Surface Gravity (m/s^2)0.020
Mean Orbit Velocity (km/h)18462.90
Average Orbit Distance (km)1500934.00
Orbital Inclination (degrees)0.43
Orbital Eccentricity0.232

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