Cyllene
E642779
Cyllene is a small, irregular, retrograde moon of Jupiter belonging to the planet’s outer group of distant satellites.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cyllene canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7099946 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cyllene Context triple: [Jovian satellite system, hasMember, Cyllene]
-
A.
Lerna
Lerna is an ancient region in the Argolid of Greece, famed in mythology as the site of the Lernaean Hydra and important prehistoric settlements.
-
B.
Ceryneia
Ceryneia is an ancient town in the region of Achaea in Greece, known in mythology as the home of the legendary Ceryneian Hind.
-
C.
Seriphos
Seriphos is a small Aegean island in Greek mythology best known as the place where Perseus was raised and later returned with the head of Medusa.
-
D.
Ascra
Ascra was an ancient village in Boeotia, Greece, best known as the hometown of the poet Hesiod.
-
E.
Kalydon
Kalydon is an ancient Greek city in Aetolia, famed in mythology for the Calydonian Boar hunt and its prominent role in early Greek epic tradition.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cyllene Target entity description: Cyllene is a small, irregular, retrograde moon of Jupiter belonging to the planet’s outer group of distant satellites.
-
A.
Lerna
Lerna is an ancient region in the Argolid of Greece, famed in mythology as the site of the Lernaean Hydra and important prehistoric settlements.
-
B.
Ceryneia
Ceryneia is an ancient town in the region of Achaea in Greece, known in mythology as the home of the legendary Ceryneian Hind.
-
C.
Seriphos
Seriphos is a small Aegean island in Greek mythology best known as the place where Perseus was raised and later returned with the head of Medusa.
-
D.
Ascra
Ascra was an ancient village in Boeotia, Greece, best known as the hometown of the poet Hesiod.
-
E.
Kalydon
Kalydon is an ancient Greek city in Aetolia, famed in mythology for the Calydonian Boar hunt and its prominent role in early Greek epic tradition.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Jupiter
ⓘ
natural satellite ⓘ retrograde satellite ⓘ |
| belongsToSatelliteGroup | Pasiphae group NERFINISHED ⓘ |
| celestialBodyOf | Jupiter NERFINISHED ⓘ |
| hasApproximateAbsoluteMagnitude | 16.4 ⓘ |
| hasApproximateAlbedo | 0.04 ⓘ |
| hasApproximateMeanDiameter | 2 km ⓘ |
| hasApproximateRadius | 1 km ⓘ |
| hasArgumentOfPeriapsis | about 180° (approximate) ⓘ |
| hasCoordinateSystem | J2000 ecliptic ⓘ |
| hasDiscoveryDate | 2003-02-09 ⓘ |
| hasDiscoveryMethod | ground-based telescopic imaging ⓘ |
| hasDynamicalStatus | captured object ⓘ |
| hasHostStar | Sun NERFINISHED ⓘ |
| hasLongitudeOfAscendingNode | about 260° (approximate) ⓘ |
| hasMeanAnomaly | about 210° (at epoch, approximate) ⓘ |
| hasMeanDistanceFromJupiter | about 23.4 million km ⓘ |
| hasOrbitalDirection | retrograde ⓘ |
| hasOrbitalEccentricity | about 0.411 ⓘ |
| hasOrbitalInclination |
about 139° to Jupiter’s equator
ⓘ
about 140° to the ecliptic ⓘ |
| hasOrbitalPeriod | about 731 days ⓘ |
| hasOrbitalRegime | outer Jovian system ⓘ |
| hasOrbitType | irregular ⓘ |
| hasParentPlanet | Jupiter NERFINISHED ⓘ |
| hasPermanentDesignation | Jupiter XLVIII NERFINISHED ⓘ |
| hasProvisionalDesignation | S/2003 J 13 NERFINISHED ⓘ |
| hasRomanNumeralDesignation | Jupiter XLVIII NERFINISHED ⓘ |
| hasRotationState | likely non-synchronous ⓘ |
| hasSemiMajorAxis | about 23,396,000 km ⓘ |
| hasShape | irregular ⓘ |
| hasSpectralType | C-type ⓘ |
| hasSurfaceComposition | likely dark, carbon-rich material ⓘ |
| isNamedAfter |
Cyllene (Oread nymph)
NERFINISHED
ⓘ
Cyllene, a nymph associated with Mount Kyllini in Greek mythology NERFINISHED ⓘ |
| isPartOf | Solar System NERFINISHED ⓘ |
| memberOf |
Jovian satellite system
NERFINISHED
ⓘ
outer group of Jovian satellites ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| wasDiscoveredBy |
Brian G. Marsden
NERFINISHED
ⓘ
David C. Jewitt NERFINISHED ⓘ Jan Kleyna NERFINISHED ⓘ Scott S. Sheppard NERFINISHED ⓘ |
| wasDiscoveredUsing | Mauna Kea Observatory NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cyllene Description of subject: Cyllene is a small, irregular, retrograde moon of Jupiter belonging to the planet’s outer group of distant satellites.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.