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    Cressida

    Cressida, Portia and Ophelia
    The fourth moon in order of distance from Uranus. It is named after the daughter of Calchas, a character in Shakespeare's play Troilus and Cressida and is also known as Uranus IX. Cressida was discovered by Stephen P. Synnott from images sent back by Voyager 2 on Jan. 9, 1986, and was given the temporary designation S/1986 U3.


    Discovery 1986, by Voyager 2
    Orbit semi-major axis 61,780 km (38,400 miles)
    Diameter 92 × 74 km (57 × 46 miles)
    Orbital period 0.464 day (11 hr 8 min.)
    Orbital eccentricity 0.00023
    Orbital inclination 0.038°
    Visual albedo 0.07 (assumed)


    Related entry

       • Uranus, moons


    Related category

       • PLANETS AND MOONS



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