Uranus
Basic Info
Mass:
8.6810 x 1025 kg
Diameter:
31,763 mi
Avg Distance from Sun:
1.8 billion mi
Time to spin on axis/A day is:
17.23 hours
Time to orbit Sun/A year is:
84 years
Number of moons:
27
  • Uranus rotates on its side, unlike the other planets.
  • William Herschel discovered Uranus in 1781 with an early telescope.
  • Uranus has rings similar to Saturn.
  • Due to most of its mass being made up of water, methane and ammonia, Uranus is considered an "ice giant".
  • Uranus is nearly 4 times wider than Earth.
Umbriel
Credit: NASA/JPL

Umbriel

  • Umbriel orbits Uranus at the distance of about 165,000 miles
  • The bright spot on top of Umbriel is Wunda crater.
  • Voyager 2 was the last spacecraft to image Umbriel up close.

Miranda
Credit: NASA/JPL-Caltech

Miranda

  • Its diameter is about 292 miles.
  • Miranda was discovered in 1948 by Gerard Kuiper.
  • Miranda has the highest known cliff in the solar system at 12.42 miles.

Ariel

  • Ariel orbits Uranus at a distance of about 118,060 miles.
  • There is evidence of water ice on its surface.
  • Its the 4th largest of the Uranian moons.

Titania

  • Titania is the largest of Uranus's moons.
  • There is water ice and frozen carbon dioxide on its surface.
  • Titania orbits Uranus every 8.7 days.