Galatea

E118791

Galatea is a small inner moon of Neptune known for its role in shaping the planet’s ring arcs through gravitational interactions.

All labels observed (1)

Label Occurrences
Galatea canonical 9

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf moon of Neptune
natural satellite
albedo low
alternativeName Neptune VI
belongsTo Neptune’s regular satellites
belongsToPlanetarySystem Neptune system
surface form: Neptunian system
catalogDesignation S/1989 N4
celestialBodyType inner moon
density_estimate similar to other inner Neptunian moons
discoveredBy Voyager imaging team
surface form: Voyager 2 imaging team
discoveredDuring Voyager 2
surface form: Voyager 2 Neptune flyby
discoveryDate 1989-07-02
discoveryMethod spacecraft imaging
discoverySite Voyager 2
escapeVelocity_km_per_s ~0.07
gravitationallyInteractsWith Adams ring
influences Neptune’s ring arcs
locatedIn Neptune’s inner satellite region
maintains Adams ring
surface form: Adams ring arcs
mass_estimate on the order of 2×10^18 kg
meanDiameter_km ~176
meanMotionResonance co-rotation resonance with Adams ring arcs
meanRadius_km ~88
namedAfter Galatea from Greek mythology
surface form: Galatea (sea nymph in Greek mythology)
neighboringMoons Despina
Larissa
Thalassa
orbitalDirection prograde
orbitalDistanceFromNeptune_km ~62000
orbitalEccentricity very low
orbitalInclination_degrees ~0.03
orbitalPeriod_hours ~10.3
orbitalResonanceWith Adams ring arcs
orbits Neptune
parentPlanet Neptune
partOf Neptune’s inner moons
roleInRingSystem shepherd moon of Adams ring
rotation synchronous with its orbit
semiMajorAxis_km ~61953
shape irregular
spectralType dark, likely water-ice rich with contaminants
surfaceColor dark
surfaceFeatures heavily cratered
likely fractured terrain
synchronousWith Neptune
system Neptune ring–moon system

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Neptune moon Galatea
Acis lover Galatea
Acis partnerInMyth Galatea
Adams ring isConfinedBy Galatea
Adams ring shepherdMoon Galatea
Amphitrite sibling Galatea
Damon associatedWith Galatea
Damon givesCounselAbout Galatea
La Galatea mainCharacters Galatea