Natural Satellite
Umbriel
Umbriel is currently about 2,908,182,893 kilometres from Earth, or 19.44 astronomical units, which puts a one-way radio signal 2.7 hours out. It is 19.44 astronomical units from the Sun.

The darkest of Uranus’s large moons, an ancient cratered world marked by a mysterious bright ring nicknamed the fluorescent cheerio.
Seen up close only once, by Voyager 2 in 1986.
Right now
- Distance from Earth
- 2,908,182,893 km (19.44 AU)
- Distance from the Sun
- 2,908,345,732 km (19.44 AU)
- One-way signal time
- 2.7 hours
The body
- Mean radius
- 585 km
- Orbital radius
- 266,000 km
- Orbital period
- 4.14 days