Uranus Fact Sheet

By Fraser Cain - December 20, 2009 at 8:37 PM UTC | Planetary Science

[/caption] The following Uranus fact sheet is based on

NASA's excellent planetary fact sheets

. Uranus is the 7th planet from the Sun, and it requires a telescope to be able to see it.

Mass: 86.832 x 10

24

kg
Volume: 6,833 x 10

10

km

3

Average radius: 25,362 km Average diameter: 50,724 km Mean density: 1.270 g/cm

3

Escape velocity: 21.3 km/s Surface gravity: 8.87 m/s

2

Natural satellites: 27 Rings? - Yes Semimajor axis: 2,872,460,000 km Orbit period: 30,685.4 days Perihelion: 2,741,300,000 km Aphelion: 3,003,620,000 km
Mean orbital velocity: 6.81 km/s Orbit inclination: 0.772° Orbit eccentricity: 0.0457 Sidereal rotation period: 17.24 hours
Length of day: 17.24 hours Axial tilt: 97.77° Discovery: 13 March 1781 Minimum distance from Earth: 2,581,900,000 km Maximum distance from Earth: 3,157,300,000 km Maximum apparent diameter from Earth: 4.1 arc seconds Minimum apparent diameter from Earth: 3.3 arc seconds Maximum visual magnitude: 5.32

We've written many articles about Uranus for Universe Today. Here's an article about the

atmosphere of Uranus

, and here's an article about a blue ring around Uranus.

If you'd like more info on Uranus, check out

Hubblesite's News Releases about Uranus

. And here's a link to the

NASA's Solar System Exploration Guide to Uranus

.

We've also recorded an entire episode of Astronomy Cast just about Uranus. Listen here,

Episode 62: Uranus

.