Aegaeon (moon) Aegaeon is a tiny, irregular moon of Saturn embedded in the planet's faint G ring. Discovered in 2008 images and initially designated S/2008 S1, it supplies dust to a ring arc and…
Aegir (Saturn XXXVI) Aegir (moon) Aegir is a small, irregular, retrograde moon of Saturn discovered in 2005. It orbits far from the planet, belongs to the Norse group, and is named after the sea giant Ægir from Nor…
Amalthea — Jupiter’s irregular inner moon Amalthea (moon) Amalthea is a small, irregular inner moon of Jupiter discovered in 1892. Reddish and non‑spherical, it is a source of dust for Jupiter’s gossamer rings and was imaged by Voyager an…
Ananke group — Jupiter's retrograde irregular moons Ananke group A cluster of small, retrograde irregular moons orbiting Jupiter with similar distant, tilted orbits. Thought to be fragments of a captured body, they share orbital and physical tra…
Autonoe (Jupiter XXVIII) Autonoe (moon) Autonoe (Jupiter XXVIII) is a small retrograde irregular moon of Jupiter discovered in 2001. It orbits at about 24.26 million km, is roughly 4 km across, and belongs to the Pasipha…
Bebhionn (moon of Saturn) Bebhionn (moon) Bebhionn (Saturn XXXVII) is a small prograde irregular moon of Saturn, about 6 km across, discovered in 2004–2005 and named for a figure in Irish mythology; it orbits at ~16.9 mill…
Belinda — an inner moon of Uranus Belinda (moon) Belinda is a small, elongated inner moon of Uranus discovered in Voyager 2 images in 1986. It belongs to the Portia group and is known mainly by its orbit, size, low albedo and str…
Carme — irregular retrograde moon of Jupiter Carme (moon) Carme is a small, non-spherical irregular moon of Jupiter discovered in 1938. It gives its name to the Carme group of retrograde satellites and is thought to be a fragment of a cap…
List of Neptune's moons Overview and list of Neptune’s 14 known moons, their discovery history, categories (inner, outer, irregular), notable features such as Triton’s retrograde orbit, and naming origins…
