Caliban (moon) (original) (raw)
Caliban
| Discovery | |
|---|---|
| Discovered by | Brett Gladman |
| Discovered in | September 6, 1997 |
| Orbital characteristics | |
| Semimajor axis | 7.1×106 km |
| Eccentricity | 0.08 |
| Orbital period | 578d |
| Inclination | 137.6° (retrograde) |
| Is a satellite of | Uranus |
| Physical characteristics | |
| Mean radius | ~49 km |
| Mass | 7.3×1017 kg |
| Mean density | 1.5 g/cm3 |
| Surface gravity | 0.02 m/s2 |
| Rotation period | unknown |
| Axial tilt | 98.723° |
| Albedo | 0.07 |
| Atmosphere | none |
Caliban is a moon of Uranus, named after a character in William Shakespeare's play The Tempest.
Caliban was discovered on September 6 - September 7, 1997 by Brett Gladman, Phil Nicholson, Joseph Burns, and JJ Kavelaars using the 200-inch Hale telescope; they also discovered the moon Sycorax at the same time.