Thebe

E642759

Thebe is a small inner moon of Jupiter that orbits close to the planet and helps form part of its faint ring system.

All labels observed (1)

Label Occurrences
Thebe canonical 3

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf moon of Jupiter
natural satellite
albedo low
approximateDimensions 116 × 98 × 84 km
associatedWith Jupiter gossamer rings
linked to: Jovian ring system
belongsTo Solar System
belongsToGroup inner moons of Jupiter
belongsToPlanetarySystem Jupiter system
celestialBodyType inner moon
contributesDustTo Thebe gossamer ring
discoveredBy Stephen P. Synnott
discoveredUsing Voyager 1 images
discoveryDate 1979
escapeVelocity ~25 m/s
helpsForm Jupiter faint ring system
innerNeighbor Adrastea
Metis
largestCrater Zethus
largestCraterDiameter ~40 km
locatedIn Jupiter’s equatorial plane
outer Solar System
meanDensity ~3 g/cm³
meanRadius ~49 km
mythologicalAssociation Zeus
namedAfter Thebe (nymph in Greek mythology)
neighboringInnerMoon Amalthea
observedBy Galileo spacecraft
Voyager 1
Voyager 2
officialName Thebe
orbitalDistanceFromJupiter ~3.11 Jupiter radii
orbitalEccentricity ~0.018
orbitalInclination ~1.1° to Jupiter equator
orbitalPeriod ~0.6745 days
~16.19 hours
orbits Jupiter
partOf Jovian satellite system
primary Jupiter
provisionalDesignation S/1979 J 2
relativePosition orbits outside Amalthea
ringSourceMechanism impact-ejected dust
rotation synchronous with its orbit
semiMajorAxis ~221,900 km
shape irregular
surfaceColor dark reddish
surfaceFeatures heavily cratered
surfaceGravity very low
tidallyLockedTo Jupiter

How these facts were elicited

Referenced by (3)

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