Uranus’ Moon Caliban

Uranus’ moon Caliban — Caliban is a moon of Uranus, named after Caliban, the 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.



Discovered by Brett Gladman
Discovered in 1997

Orbital characteristics

Semimajor axis 7.1106 km
Eccentricity 0.08
Orbital period 578d
Inclination 137.6 (retrograde)

Physical characteristics

Mean radius ~49 km
Mass 7.31017 kg
Mean density 1.5 g/cm3
Surface gravity 0.02 m/s2
Rotation period unknown
Axial tilt 98.723
Albedo 0.07



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