Belinda (moon)

Belinda is an inner satellite of the planet Uranus. Belinda was discovered from the images taken by Voyager 2 on 13 January 1986 and was given the temporary designation S/1986 U 5.[7] It is named after the heroine of Alexander Pope's The Rape of the Lock. It is also designated Uranus XIV.[8]

Belinda
Belinda viewed by Voyager 2 in 1986
Discovery
Discovered byStephen P. Synnott / Voyager 2
Discovery dateJanuary 13, 1986
Designations
Designation
Uranus XIV
Pronunciation/bɛˈlɪndə/[1]
AdjectivesBelindian
Orbital characteristics
Mean orbit radius
75,255.613 ± 0.057 km[2]
Eccentricity0.00007 ± 0.000073[2]
0.623527470 ± 0.000000017 d[2]
Inclination0.03063 ± 0.028° (to Uranus' equator)[2]
Satellite ofUranus
Physical characteristics
Dimensions128 × 64 × 64 km[3]
Mean radius
40.3 ± 8 km[3][4][5]
~25,000 km² [lower-alpha 1]
Volume~380,000 km³ [lower-alpha 1]
Mass~3.6×1017 kg[lower-alpha 1]
Mean density
~1.3 g/cm³ (assumed)[4]
~0.014 m/s² [lower-alpha 1]
~0.034 km/s[lower-alpha 1]
synchronous[3]
zero[3]
Albedo0.08 ± 0.01[6]
Temperature~64 K[lower-alpha 1]

    Belinda belongs to the Portia group of satellites, which also includes Bianca, Cressida, Desdemona, Portia, Juliet, Cupid, Rosalind and Perdita.[6] These satellites have similar orbits and photometric properties.[6] Other than its orbit,[2] radius of 45 km[3] and geometric albedo of 0.08[6] virtually nothing is known about it.

    The Voyager 2 images show Belinda as an elongated object with its major axis pointing towards Uranus. The moon is very elongated, with its short axis 0.5 ± 0.1 times the long axis.[3] Its surface is grey in color.[3]

    See also

    References

    Explanatory notes

    1. Calculated on the basis of other parameters.

    Citations

    1. Benjamin Smith (1903) The Century Dictionary and Cyclopedia
    2. Jacobson 1998.
    3. Karkoschka, Voyager 2001.
    4. JPL Solar System Dynamics.
    5. Williams 2007.
    6. Karkoschka, Hubble 2001.
    7. IAUC 4164.
    8. USGS: Planet and Satellite Names and Discoverers.

    Sources

    • Jacobson, R. A. (1998). "The Orbits of the Inner Uranian Satellites From Hubble Space Telescope and Voyager 2 Observations". The Astronomical Journal. 115 (3): 1195–1199. Bibcode:1998AJ....115.1195J. doi:10.1086/300263.
    • Karkoschka, Erich (2001). "Voyager's Eleventh Discovery of a Satellite of Uranus and Photometry and the First Size Measurements of Nine Satellites". Icarus. 151 (1): 69–77. Bibcode:2001Icar..151...69K. doi:10.1006/icar.2001.6597.
    • "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). 18 October 2010. Retrieved 2012-01-27.
    • Williams, Dr. David R. (23 November 2007). "Uranian Satellite Fact Sheet". NASA (National Space Science Data Center). Retrieved 2012-01-27.CS1 maint: ref=harv (link)
    • Karkoschka, Erich (2001). "Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope". Icarus. 151 (1): 51–68. Bibcode:2001Icar..151...51K. doi:10.1006/icar.2001.6596.
    • Marsden, Brian G. (1986-01-16). "Satellites of Uranus". IAU Circular. 4164. Retrieved 2012-01-27.
    • USGS/IAU (July 21, 2006). "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. Retrieved 2012-01-27.
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