Herse

E642784

Herse is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.

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Statements (45)

Predicate Object
instanceOf moon of Jupiter
natural satellite
albedo low
approximateDiameter about 2 kilometers
argumentOfPeriapsis not precisely constrained
atmosphere none detected
belongsTo Jovian satellite system NERFINISHED
belongsToCategory Jovian irregular satellites NERFINISHED
retrograde irregular satellites
belongsToDynamicalFamily Pasiphae group NERFINISHED
belongsToPlanet Jupiter NERFINISHED
celestialBodyType irregular moon
discoveredBy Brian G. Marsden NERFINISHED
David C. Jewitt NERFINISHED
Jan Kleyna NERFINISHED
Scott S. Sheppard NERFINISHED
discoveryMethod ground-based telescope observations
discoverySite Mauna Kea Observatory NERFINISHED
discoveryYear 2003
eccentricOrbit yes
escapeVelocity very low
hasRotation yes
hasSynchronousRotation unknown
inclinationReference to the ecliptic
isGravitationallyBoundTo Jupiter NERFINISHED
isTidalLocked likely, but not observationally confirmed
longitudeOfPeriapsis not precisely constrained
mass very low, not precisely known
meanLongitudeOfAscendingNode not precisely constrained
meanOrbitalDistanceFromJupiter about 22.1 million kilometers
meanOrbitalEccentricity about 0.25
meanOrbitalInclination about 164 degrees to the ecliptic
meanRadius about 1 kilometer
namedAfter Herse (figure in Greek mythology) NERFINISHED
namingOrigin Greek mythology
orbitalDirection retrograde
orbitalGroup distant retrograde group of Jupiter moons
orbitalPeriod about 672 Earth days
orbits Jupiter NERFINISHED
semiMajorAxis about 22.1 million kilometers
shape irregular
solarSystemRegion Jupiter system NERFINISHED
spectralType likely dark, similar to other Pasiphae group moons
surfaceComposition likely dark, carbon-rich material
temporaryDesignation S/2003 J 17 NERFINISHED

Referenced by (1)

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