Rosalind (moon)

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There is also an asteroid called 900 Rosalinde.
Rosalind
The Hubble Space Telescope captured tiny Rosalind orbiting Uranus in 1997
The Hubble Space Telescope captured tiny Rosalind orbiting Uranus in 1997
Discovery
Discovered by Stephen P. Synnott / Voyager 2
Discovery date January 13, 1986
Orbital characteristics
Mean orbit radius
 69,926.795 ± 0.053 km[1]
Eccentricity 0.00011 ± 0.000103[1]
0.558459529 ± 0.000000019 d[1]
Inclination 0.27876 ± 0.045° (to Uranus' equator)[1]
Satellite of Uranus
Physical characteristics
Dimensions 72 × 72 × 72 km[2]
Mean radius
 36 ± 6 km[2][3][4]
~16,000 km²[lower-alpha 1]
Volume ~200,000 km³[lower-alpha 1]
Mass ~2.5×1017 kg[lower-alpha 1]
Mean density
 ~1.3 g/cm³ (assumed)[3]
~0.012 m/s²[lower-alpha 1]
~0.031 km/s[lower-alpha 1]
synchronous[2]
zero[2]
Albedo 0.08 ± 0.01[5]
Temperature ~64 K[lower-alpha 1]

Rosalind (/ˈrɒzəlᵻnd/ ROZ-ə-lind) 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 4.[6] It was named after the daughter of the banished Duke in William Shakespeare's play As You Like It. It is also designated Uranus XIII.[7]

Rosalind belongs to Portia group of satellites, which also includes Bianca, Cressida, Desdemona, Portia, Juliet, Cupid, Belinda and Perdita.[5] These satellites have similar orbits and photometric properties.[5] Other than its orbit,[1] radius of 36 km[2] and geometric albedo of 0.08[5] virtually nothing is known about Rosalind.

In the Voyager 2 images Rosalind appears as an almost spherical object. The ratio of axes of Rosalind's prolate spheroid is 0.8-1.0.[2] Its surface is grey in color.[2]

Rosalind is very close to a 3:5 orbital resonance with Cordelia.[8]

See also

References

Explanatory notes

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Calculated on the basis of other parameters.

Citations

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 5.2 5.3 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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