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Trinculo (moon)

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Discovered by Matthew J. Holman,
John J. Kavelaars,
Dan Milisavljevic
Discovered in August 13, 2001
Orbital characteristics
Mean radius 8,578,000 km
Eccentricity 0.2079
Orbital period 759.03 d
Inclination 167° (to the ecliptic)[1]
Is a moon of Uranus
Physical characteristics
Mean diameter ~18 km (estimate)[1]
Surface area ~1000 km² (estimate)
Volume ~3000 km3 (estimate)
Mass ~7.5×1014 kg (estimate)
Mean density ~1.5 g/cm3 (estimate)
Surface gravity ~0.0021 m/s2 (estimate)
Escape velocity ~0.0045 km/s (estimate)
Rotation period  ?
Axial tilt  ?°
Albedo 0.04 (assumed)[1]
Surface temp.
min mean max
~65 K (estimate)
Atmospheric pressure 0 kPa

Trinculo is a retrograde non-spherical moon of Uranus. It was found by Holman, et al. on 2001-08-13, and given the designation S/2001 U 1.[2][3]

Confirmed as Uranus XXI, it was named after the drunken jester Trinculo in William Shakespeare's play The Tempest.

Related pages


  1. 1.0 1.1 1.2 Sheppard, S. S.; Jewitt, D. C.; and Kleyna, J.; An Ultradeep Survey for Irregular Satellites of Uranus: Limits to Completeness, The Astronomical Journal, 129 (2005), pp. 518–525
  2. IAU Circular IAUC 7980: S/2001 U 1, September 30, 2002
  3. Gladman, B. J.; Kavelaars, J. J.; Holman, M. J.; Petit, J.-M.; Scholl, H., Nicholson, P. D.; and Burns, J. A.; The Discovery of Uranus XIX, XX, and XXI, Icarus, 147 (2000), pp. 320–324

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