Space · Moons

Trinculo

A moon of Uranus — A small retrograde Uranian irregular.

Quick facts

Parent planet

Uranus

Diameter (mean)

18 km

Mass

3.9 × 10¹⁵ kg
5.3e-08 Moon masses

Mean orbital radius

8,504,000 km

Orbital period

749.2 Earth days

Discovery year

2001

Discoverer

Matthew J. Holman et al.

Naming origin

Drunken jester in The Tempest

Surface conditions

Trinculo is a tiny retrograde irregular moon of Uranus.

Missions and observations

Every Uranus-system mission has had an opportunity to image or characterize Trinculo. The list below is the Uranus-system mission catalog; specific Trinculo encounters are documented in mission archives.

Mission Year at Uranus Status

Voyager 2

NASA

1986 Completed

Naming etymology

Trinculo was the drunken jester in Shakespeare's The Tempest, companion to the butler Stephano. Adopted by the IAU in 2003.

Methodology & sources

Diameter, mass, and orbital parameters from JPL Solar System Dynamics — Physical Parameters. Discovery year and discoverer from the JPL Satellite Discovery Circumstances. Naming etymology from the IAU Working Group for Planetary System Nomenclature. Stylized SVG hero composed from NASA / JPL imagery as visual reference; no photographs are reproduced.

Last refreshed 2026-05-27 by Titan — new page.