Map of the Universe
Ariel
Moon · Fourth-largest moon of Uranus
About Ariel
On 2026-01-01, the date the map shows, Ariel was 19.5 AU from the Sun; sunlight takes 2.7 hours to reach it.
It goes round its planet once every 2.52 days, 190,941 km away on average.
It is about 1,158 km across.
The map lists it as a moon and shows it in the Solar System part of the map, drawn on the plane of Earth’s orbit (the ecliptic).
Key numbers
| Orbit radius (semi-major axis) | 190,941 km |
|---|---|
| Orbital period | 2.52 days |
| Eccentricity | 0.0006 |
| Inclination | 97.72° |
| Radius | 578.9 km |
| Distance from the Sun | 19.5 AU |
Where it is
Its place in the universe, from the inside out: Uranus › Solar System › Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Neptune and the Kuiper belt, a view about 110 AU across.
From Wikipedia
Ariel is the fourth-largest moon of Uranus. Ariel orbits and rotates in Uranus's equatorial plane, which is almost perpendicular to the planet's orbit, giving the moon an extreme seasonal cycle.
Excerpt from the Wikipedia article Ariel (moon), licensed CC BY-SA 4.0.