Space · Moons

Albiorix

A moon of Saturn — The largest of Saturn's Gallic-group outer irregulars.

Quick facts

Parent planet

Saturn

Diameter (mean)

32 km

Mass

2.1 × 10¹⁶ kg
2.8e-07 Moon masses

Mean orbital radius

16,182,000 km

Orbital period

783.5 Earth days

Discovery year

2000

Discoverer

Matthew J. Holman

Naming origin

Gallic god, king of the world

Surface conditions

Albiorix is the largest of Saturn's Gallic prograde outer irregulars, all named for deities of Celtic mythology and sharing orbital characteristics suggesting a common origin.

Missions and observations

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

Mission Year at Saturn Status

Pioneer 11

NASA

1979 Completed

Voyager 1

NASA

1980 Completed

Voyager 2

NASA

1981 Completed

Cassini-Huygens

NASA/ESA/ASI

2004 Completed

Dragonfly

NASA

2034 On the way

Naming etymology

Albiorix was a Gallic Celtic god identified as the 'king of the world.' 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.