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Moons in Space

Explore the diverse world of planetary satellites - from Earth's familiar Moon to the exotic moons of the outer planets. Discover 439 moons with detailed orbital data, surface characteristics, and unique features.

About Moons

Formation

Moons form through various processes including capture, co-formation with their parent planet, or impact events that eject material into orbit.

Orbital Dynamics

Moons exhibit complex orbital relationships, including tidal locking, resonances, and gravitational interactions that shape their evolution.

Surface Features

From cratered landscapes to active volcanism and subsurface oceans, moons display incredible geological diversity across the solar system.

Exploration Targets

Many moons are prime targets for exploration due to potential subsurface oceans, unique geology, and clues about planetary formation.

All Moons (439)

Showing 1-24 of 439

Showing 1-24 of 439 results

(243) Ida I Dactyl
Moon
Radius
—
Gravity
—
Discovered by
Ann Harch
Adrastea
Moon
Radius
8 km
Gravity
0.00 m/s²
Discovered by
David C. Jewitt, G. E. Daniels...
Aegaeon
Moon
Radius
0.5 km
Gravity
—
Discovered by
Carolyn C. Porco
Aegir
Moon
Radius
3 km
Gravity
—
Discovered by
Scott S. Sheppard, David C. Je...
Aitne
Moon
Radius
1.5 km
Gravity
0.00 m/s²
Discovered by
Scott S. Sheppard, David C. Je...
Albiorix
Moon
Radius
13 km
Gravity
—
Discovered by
John J. Kavelaars, Brett J. Gl...
Alexhelios
Moon
Radius
6.9 km
Gravity
—
Discovered by
F. Marchis, P. Descamps, J. Be...
Alvaldi
Moon
Radius
2 km
Gravity
—
Discovered by
S. Sheppard, D. Jewitt, J. Kle...
Amalthea
Moon
Radius
84 km
Gravity
0.02 m/s²
Discovered by
E. Barnard
Ananke
Moon
Radius
10 km
Gravity
0.01 m/s²
Discovered by
Seth Barnes Nicholson
Angrboda
Moon
Radius
1.5 km
Gravity
—
Discovered by
S. Sheppard, D. Jewitt, J. Kle...
Anthe
Moon
Radius
1 km
Gravity
—
Discovered by
Carolyn C. Porco, l'équipe Cas...
Aoede
Moon
Radius
2 km
Gravity
—
Discovered by
Scott S. Sheppard, David C. Je...
Arche
Moon
Radius
1.5 km
Gravity
0.00 m/s²
Discovered by
Scott S. Sheppard, David C. Je...
Ariel
Moon
Radius
581.1 km
Gravity
—
Discovered by
William Lassell
Atlas
Moon
Radius
15.1 km
Gravity
—
Discovered by
Richard J. Terrile
Autonoe
Moon
Radius
2 km
Gravity
0.00 m/s²
Discovered by
Scott S. Sheppard, David C. Je...
Bebhionn
Moon
Radius
3 km
Gravity
—
Discovered by
Scott S. Sheppard, David C. Je...
Beli
Moon
Radius
1.5 km
Gravity
—
Discovered by
S. Sheppard, D. Jewitt, J. Kle...
Belinda
Moon
Radius
45 km
Gravity
—
Discovered by
Stephen P. Synnott
Bergelmir
Moon
Radius
3 km
Gravity
—
Discovered by
Scott S. Sheppard, David C. Je...
Bestla
Moon
Radius
3 km
Gravity
—
Discovered by
Scott S. Sheppard, David C. Je...
Bianca
Moon
Radius
27 km
Gravity
—
Discovered by
Bradford A. Smith
Caliban
Moon
Radius
36 km
Gravity
—
Discovered by
Brett J. Gladman, Philip D. Ni...
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