Natural Satellite
Ariel
Ariel is currently about 2,803,533,180 kilometres from Earth, or 18.74 astronomical units, which puts a one-way radio signal 2.6 hours out. It is 19.43 astronomical units from the Sun.

The brightest of Uranus’s moons, with a relatively young surface cut by extensive valleys and fault scarps.
Surface deposits hint at material welling up from the interior.
Right now
- Distance from Earth
- 2,803,533,180 km (18.74 AU)
- Distance from the Sun
- 2,907,283,171 km (19.43 AU)
- One-way signal time
- 2.6 hours
The body
- Mean radius
- 579 km
- Orbital radius
- 190,900 km
- Orbital period
- 2.52 days