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.
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 NERFINISHED ⓘ |
| category |
Irregular satellites
NERFINISHED
ⓘ
Moons of Jupiter ⓘ Prograde irregular satellites ⓘ |
| celestialBody | Jupiter NERFINISHED ⓘ |
| designation | Jupiter XVIII NERFINISHED ⓘ |
| discoveredBy |
Charles T. Kowal
NERFINISHED
ⓘ
Elizabeth Roemer NERFINISHED ⓘ |
| discoverySite | Palomar Observatory NERFINISHED ⓘ |
| discoveryYear | 1975 ⓘ |
| distanceFromSun_AU | about 5.2 via Jupiter’s orbit ⓘ |
| gravitationallyBoundTo | Jupiter NERFINISHED ⓘ |
| hasAtmosphere | no significant atmosphere ⓘ |
| hasRotation | synchronousRotationUnknown ⓘ |
| isLessKnownThan | Galilean moons NERFINISHED ⓘ |
| isNonSpherical | true ⓘ |
| isOuterSatelliteOf | Jupiter NERFINISHED ⓘ |
| isPartOf | Solar System NERFINISHED ⓘ |
| lostAfterDiscovery | true ⓘ |
| massEstimate | very low ⓘ |
| meanDiameter_km | about 8 ⓘ |
| meanRadius_km | about 4 ⓘ |
| namedAfter |
Themisto (mythology)
NERFINISHED
ⓘ
Themisto, a figure in Greek mythology associated with Zeus NERFINISHED ⓘ |
| observationalStatus | faint ⓘ |
| orbitalDirection | prograde ⓘ |
| orbitalEccentricity | about 0.24 ⓘ |
| orbitalInclination_degrees | about 43 ⓘ |
| orbitalPeriod_days | about 129.9 ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| provisionalDesignation |
S/1975 J 1
NERFINISHED
ⓘ
S/2000 J 1 NERFINISHED ⓘ |
| recoveredBy |
David C. Jewitt
NERFINISHED
ⓘ
Jan T. Kleyna NERFINISHED ⓘ Scott S. Sheppard NERFINISHED ⓘ Yanga R. Fernandez NERFINISHED ⓘ |
| recoveredYear | 2000 ⓘ |
| semiMajorAxis_km | about 7390000 ⓘ |
| shape | irregular ⓘ |
| surfaceComposition | likely dark, carbon-rich material ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.