Universe Guide

Oberon, Moon of Uranus

Oberon is a Moon that orbits round the planet Uranus. Its mass is estimated/calculated at being 2,883,438,065,279,000,000,000 kg. Its density has been calculated at being 1.559. Its volume is 1848958769.

It was discovered in the year 1787 by W. Herschel.

The orbital period, i.e. the period it takes to complete an orbit round Uranus is 13.46323 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 761km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 2,559 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 583.5, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Oberon is 4784.0 km. The surface area of Oberon is 7,285,101.53. The surface gravity of the said item is 0.332. The Mean orbit velocity, that is the speed at which it orbits is 11349.20 km/h. The is the average distance in km of the object is from its parent 583500.00.

The orbital inclination, the angle at which Oberon orbits in relation to the orbital plane is 0.07 degrees. The orbital eccentricity is 0.0014, it is the degree at which Oberon orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Discovery of Oberon and Naming

The moon Oberon was discovered by Sir William Herschel, the famous German born British Astronomer. Sir William is famous for discovering not just the moon but also the planet it orbits. At a time when astronomy was really taking off, the International Astronomical Union wasn't around so there was carte blanche to name objects. The moons were named by John Herschel, Williams son. Planets Edu.

Nowadays, you can't just name planets any way you like. Moon names have to be officially recognised by the I.A.U. All Uranus moons after named after characters from William Shakespeare or from other literally greats such as Alexander Pope's 'Rape of the Lock'. Rape is in non-criminal sense, that is to grab, take, snatch.

Craters, Canyons and Surface of Oberon

Of the moons of Uranus, Oberon is the second largest. Oberon is the moon furthest out from the planet and is heavily cratered and has a large number of canyons, goes with being slightly unshielded by other moons. It is made up of rock and water ice. The only time it has been visited is by the Voyager 2 space probe. The largest crater on the moon is named Hamlet and is 206 kilometres in diameter. The largest canyon is Mommur Chasma, named after the enchanted forest in the Midsummers play, Ref: PlanetEdu

Some of the craters are filled with an unknown liquid which astronomer speculate as being dirty water, having come from inside. The planet has been geologically stable in the main but there is one mountain that is four miles high. SeaSky

Oberon Legend Mythology

The name Oberon is not from Ancient Greek or Roman lore that so many objects in space are named after. Oberon comes from William Shakespeare's tale 'A Midsummer's Night Tale'. Oberon is the king of the fairies. Titania, another moon that orbits Uranus. Oberon is the master of the servant Puck.

Oberon in the play is a bit of ladies man who goes wandering. He's can be both caring and uncaring, he'll wish good luck on a family so that they won't have ugly kids. Oberon and Titania are rowing in the play which has a negative effect on the weather. The weather then affects the crops which affects the humans. The moons are too far away to have any effect on the weather on our planet. Shmoop

Image of the Uranus moon of Oberon

Image of the Uranus moon of Oberon

Oberon Facts

Mass (kg)2,883,438,065,279,000,000,000
Density (g/cm^3)1.559
Volume (km^3)1848958769
Orbital DirectionPrograde, same as the parents direction
Year of Discovery1787
DiscovererW. Herschel
Orbital Period (days)13.46323
Equatorial Radius (km)761
Escape Velocity (km/h)2,559
Semi-Major Axis (10^3 km)583.5
Equatorial Circumference (km)4784.0
Surface Area (km^2)7,285,101.53
Surface Gravity (m/s^2)0.332
Mean Orbit Velocity (km/h)11349.20
Average Orbit Distance (km)583500.00
Orbital Inclination (degrees)0.07
Orbital Eccentricity0.0014

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