Helike
E642768
Helike is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Jupiter
ⓘ
natural satellite ⓘ |
| albedo | low ⓘ |
| belongsToPlanetarySystem |
Jovian system
NERFINISHED
ⓘ
Solar System NERFINISHED ⓘ |
| celestialCategory |
Jovian moon
ⓘ
outer irregular Jovian moon ⓘ |
| color | dark ⓘ |
| discoverer |
David C. Jewitt
NERFINISHED
ⓘ
Jan Kleyna NERFINISHED ⓘ Scott S. Sheppard NERFINISHED ⓘ |
| discoveryMethod | ground-based telescope observations ⓘ |
| discoverySite | Mauna Kea Observatory NERFINISHED ⓘ |
| discoveryYear | 2003 ⓘ |
| groupMembership | Ananke group NERFINISHED ⓘ |
| hasRotation | yes ⓘ |
| likelyComposition | rocky-icy body ⓘ |
| meanDiameter | approximately 4 km ⓘ |
| memberOf |
Jovian irregular satellites
ⓘ
Jupiter’s outer retrograde satellite group ⓘ |
| namedAfter |
Helike (figure in Greek mythology)
NERFINISHED
ⓘ
Helike, a nymph associated with Zeus ⓘ |
| observedBy | Subaru Telescope NERFINISHED ⓘ |
| orbitalCharacter | distant ⓘ |
| orbitalDirection | retrograde ⓘ |
| orbitalEccentricity | high ⓘ |
| orbitalInclination | about 155 degrees to the ecliptic ⓘ |
| orbitalPeriod | approximately 626 Earth days ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| primaryBody | Jupiter NERFINISHED ⓘ |
| provisionalDesignation | S/2003 J 6 NERFINISHED ⓘ |
| satelliteOf | Jupiter NERFINISHED ⓘ |
| semiMajorAxis | approximately 20.5 million km from Jupiter ⓘ |
| shape | irregular ⓘ |
| surfaceFeatureKnowledge | poorly known ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.