Themisto

E643571

Themisto is a small, irregularly shaped outer moon of Jupiter that follows a distant, prograde orbit and is one of the planet’s lesser-known natural satellites.

All labels observed (2)

Label Occurrences
Themisto canonical 2
Themisto (mythology) 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf moon of Jupiter
natural satellite
outer moon of Jupiter
absoluteMagnitude about 11.5
albedo low
belongsTo Jupiter’s irregular satellite population
belongsToPlanetarySystem Jovian system
category Irregular satellites
Moons of Jupiter
Prograde irregular satellites
celestialBody Jupiter
designation Jupiter XVIII
discoveredBy Charles T. Kowal
Elizabeth Roemer
discoverySite Palomar Observatory
discoveryYear 1975
distanceFromSun_AU about 5.2 via Jupiter’s orbit
gravitationallyBoundTo Jupiter
hasAtmosphere no significant atmosphere
hasRotation synchronousRotationUnknown
isLessKnownThan Galilean moons
isNonSpherical true
isOuterSatelliteOf Jupiter
isPartOf Solar System
lostAfterDiscovery true
massEstimate very low
meanDiameter_km about 8
meanRadius_km about 4
namedAfter Themisto (mythology)
linked to: Themisto

Themisto, a figure in Greek mythology associated with Zeus
observationalStatus faint
orbitalDirection prograde
orbitalEccentricity about 0.24
orbitalInclination_degrees about 43
orbitalPeriod_days about 129.9
orbits Jupiter
provisionalDesignation S/1975 J 1
S/2000 J 1
recoveredBy David C. Jewitt
Jan T. Kleyna
Scott S. Sheppard
Yanga R. Fernandez
linked to: Yanga R. Fernández
recoveredYear 2000
semiMajorAxis_km about 7390000
shape irregular
surfaceComposition likely dark, carbon-rich material

How these facts were elicited

Referenced by (3)

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

Athamas spouse Themisto
Themisto namedAfter Themisto (mythology)
linked to: Themisto