Trinculo (moon)

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Trinculo

Discovery
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 satellite of	Uranus
Physical characteristics
Mean diameter	~18 km (estimate)[1]
Surface area	~300 km² (estimate)
Volume	~500 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 (tring'-kew-loe, IPA: [ˈtrɪŋkjulɔʊ]) is a retrograde irregular satellite of Uranus. It was discovered by Holman, et al. on 2001-08-13, and given the temporary 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.

[edit] See also

• Uranus' natural satellites
• irregular satellites

[edit] External links

• David Jewitt pages
• Scott Sheppard pages

[edit] References

1. ^ ^{a b c} Scott S. Sheppard, David C. Jewitt and Jan Kleyna An Ultradeep Survey for Irregular Satellites of Uranus: Limits to Completeness, The Astronomical Journal, 129 (2005), pages 518–525 . Preprint
2. ^ IAU Circular IAUC 7980
3. ^ B. Gladman, JJ Kavelaars, Matthew J. Holman, J-M. Petit, H. Scholl, P. Nicholson, J. A. Burnse The Discovery of Uranus XIX, XX, and XXI, Icarus, 147 (2000), pp. 320–324

• Ephemeris (IUA)[1]
• Mean orbital parameters (NASA)[2]

edit Uranus' natural satellites
Cordelia · Ophelia · Bianca · Cressida · Desdemona · Juliet · Portia · Rosalind · Cupid · Belinda · Perdita · Puck · Mab Miranda · Ariel · Umbriel · Titania · Oberon Francisco · Caliban · Stephano · Trinculo · Sycorax · Margaret · Prospero · Setebos · Ferdinand
See also: Rings of Uranus