Astronomy:Desdemona (moon)
- There is also a minor planet called 666 Desdemona.
![]() Discovery image of Desdemona | |
Discovery | |
---|---|
Discovered by | Stephen P. Synnott / Voyager 2 |
Discovery date | January 13, 1986 |
Designations | |
Designation | Uranus X |
Pronunciation | /dɛzdəˈmoʊnə/[1] |
Adjectives | Desdemonan,[2] Desdemonian,[3] Desdemonean[4] /dɛzdəˈmoʊn(i)ən/ |
Orbital characteristics | |
Mean orbit radius | 62,658.364 ± 0.047 km[5] |
Eccentricity | 0.00013 ± 0.000070[5] |
Orbital period | 0.473649597 ± 0.000000014 d[5] |
Inclination | 0.11252 ± 0.037° (to Uranus' equator)[5] |
Satellite of | Uranus |
Physical characteristics | |
Dimensions | 90 × 54 × 54 km[6] |
Mean radius | 32.0 ± 4 km[6][7][8] |
Surface area | ~14,500 km2[lower-alpha 1] |
Volume | ~164,000 km3[lower-alpha 1] |
Mass | ~1.8×1017 kg[lower-alpha 1] |
Mean density | ~1.3 g/cm3 (assumed)[7] |
~0.011 m/s2[lower-alpha 1] | |
~0.027 km/s[lower-alpha 1] | |
Rotation period | synchronous[6] |
Axial tilt | zero[6] |
Albedo | |
Physics | ~64 K[lower-alpha 1] |
Desdemona is an inner satellite of Uranus. It was discovered from the images taken by Voyager 2 on 13 January 1986, and was given the temporary designation S/1986 U 6.[10] Desdemona is named after the wife of Othello in William Shakespeare's play Othello. It is also designated Uranus X.[11]
Desdemona belongs to Portia Group of satellites, which also includes Bianca, Cressida, Juliet, Portia, Rosalind, Cupid, Belinda and Perdita.[9] These satellites have similar orbits and photometric properties.[9] Other than its orbit,[5] radius of 32 km[6] and geometric albedo of 0.08[9] virtually nothing is known about Desdemona.
In the Voyager 2 images Desdemona appears as an elongated object, the major axis pointing towards Uranus. The ratio of axes of Desdemona's prolate spheroid is 0.6 ± 0.3.[6] Its surface is grey in color.[6]
Desdemona may collide with one of its neighboring moons Cressida or Juliet within the next 100 million years.[12]
See also
References
Explanatory notes
Citations
- ↑ Benjamin Smith (1903) The Century Dictionary and Cyclopedia
- ↑ Harris & Lazzari (1997) Shakespearean criticism
- ↑ Daileader (2005) Racism, misogyny, and the Othello myth
- ↑ Genova (1997) Power, gender, values
- ↑ 5.0 5.1 5.2 5.3 5.4 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. doi:10.1086/300263. Bibcode: 1998AJ....115.1195J.
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 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. doi:10.1006/icar.2001.6597. Bibcode: 2001Icar..151...69K.
- ↑ 7.0 7.1 7.2 "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). 24 October 2008. http://ssd.jpl.nasa.gov/?sat_phys_par.
- ↑ 8.0 8.1 Williams, Dr. David R. (23 November 2007). "Uranian Satellite Fact Sheet". NASA (National Space Science Data Center). http://nssdc.gsfc.nasa.gov/planetary/factsheet/uraniansatfact.html.
- ↑ 9.0 9.1 9.2 9.3 Karkoschka, Erich (2001). "Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope". Icarus 151 (1): 51–68. doi:10.1006/icar.2001.6596. Bibcode: 2001Icar..151...51K.
- ↑ Smith, B. A. (January 16, 1986). "Satellites of Uranus". IAU Circular 4164. http://www.cbat.eps.harvard.edu/iauc/04100/04164.html#Item1. Retrieved 29 October 2011.
- ↑ "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. July 21, 2006. http://planetarynames.wr.usgs.gov/Page/Planets.
- ↑ Duncan, Martin J.; Lissauer, Jack J. (1997). "Orbital Stability of the Uranian Satellite System". Icarus 125 (1): 1–12. doi:10.1006/icar.1996.5568. Bibcode: 1997Icar..125....1D.
External links
- Desdemona Profile by NASA's Solar System Exploration
- Uranus' Known Satellites (by Scott S. Sheppard)
![]() | Original source: https://en.wikipedia.org/wiki/Desdemona (moon).
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