Moon of Uranus
Oberon
Oberon is a moon. It orbits Uranus. It is about 1,523 km across – smaller than our Moon. Oberon is the outermost of Uranus's large moons.
Fact file
- Type
- Moon of Uranus
- Diameter
- 1,523 km
- Distance from Uranus
- 583,500 km
- Orbital period
- 13.5 days
- Temperature
- -198 °C on average
Oberon orbits Uranus.
Interesting facts about Oberon
- Oberon is the outermost of Uranus's large moons.
- Some craters have dark floors – perhaps dark material that welled up from the interior.
- Named after the king of the fairies in “A Midsummer Night's Dream”, Titania's husband.
Frequently asked questions about Oberon
How big is Oberon?
Oberon has a diameter of 1,523 km. That is about 44% of the diameter of our Moon.
How far is Oberon from Uranus?
Oberon orbits Uranus at an average distance of 583,500 km.
How long does Oberon take to orbit Uranus?
Oberon orbits Uranus once every 13.5 days.
How cold or warm is it on Oberon?
On Oberon the average temperature is −198 °C.
Formation
An old, heavily cratered world of ice and rock. Voyager 2 saw a mountain around 11 km high at its edge.
Atmosphere
No atmosphere.
Exploration
Discovered in 1787 by William Herschel on the same day as Titania. Photographed in 1986 by Voyager 2.
Compared with Earth
Just under half the size of our Moon.
Other moons of Uranus
This site is free and has no banner ads. Here is how you can support it