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    Caliban (moon of Uranus)

    Caliban
    The 20th moon of Uranus in order from the planet. Caliban was discovered, together with Sycorax, on Sep. 6, 1997 by Brett J. Gladman, Philip D. Nicholson, Joseph A. Burns, and John J. Kavelaars using the 5-meter Hale Telescope and given the temporary designation S/1997 U1. It was later named after the dark character in Shakespeare's play The Tempest and is also known as Uranus XVI. Caliban is an irregular moon with a highly inclined, retrograde orbit. Like Sycorax, it has a reddish hue, suggesting it may have come from the Kuiper Belt.


    discovery 1997, Gladman et al
    semimajor axis 7,231,000 km (4,494,000 miles)
    diameter ~72 km (45 miles)
    orbital period 579.7 days
    orbital eccentricity 0.159
    orbital inclination 140.9°
    visual albedo 0.04 (assumed)


    Related entry

       • Uranus, moons


    Related category

       • PLANETS AND MOONS



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