Helike
E642768
Helike is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Helike canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7099934 — 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: Helike Context triple: [Jovian satellite system, hasMember, Helike]
-
A.
Helike
Helike was an ancient Greek coastal city in Achaea, famed for its sudden destruction by an earthquake and tsunami in the 4th century BCE and often linked to the legend of Atlantis.
-
B.
Nea Tiryntha
Nea Tiryntha is a modern Greek village near the archaeological site of ancient Tiryns in the Argolis region of the Peloponnese.
-
C.
Aigina
Aigina is the ancient Greek name for the island of Aegina in the Saronic Gulf, known historically as a significant maritime and commercial center.
-
D.
Peristeri
Peristeri is a densely populated suburban municipality of Athens, Greece, known as one of the largest and most vibrant districts in the Athens metropolitan area.
-
E.
Morgantina
Morgantina was an ancient Sicel and later Greek city in central Sicily, known for its archaeological remains that illuminate the island’s indigenous and Hellenistic cultures.
- 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: Helike Target entity description: Helike is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
-
A.
Helike
Helike was an ancient Greek coastal city in Achaea, famed for its sudden destruction by an earthquake and tsunami in the 4th century BCE and often linked to the legend of Atlantis.
-
B.
Nea Tiryntha
Nea Tiryntha is a modern Greek village near the archaeological site of ancient Tiryns in the Argolis region of the Peloponnese.
-
C.
Aigina
Aigina is the ancient Greek name for the island of Aegina in the Saronic Gulf, known historically as a significant maritime and commercial center.
-
D.
Peristeri
Peristeri is a densely populated suburban municipality of Athens, Greece, known as one of the largest and most vibrant districts in the Athens metropolitan area.
-
E.
Morgantina
Morgantina was an ancient Sicel and later Greek city in central Sicily, known for its archaeological remains that illuminate the island’s indigenous and Hellenistic cultures.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Jupiter
ⓘ
natural satellite ⓘ |
| albedo | low ⓘ |
| belongsToPlanetarySystem |
Jovian system
ⓘ
linked to:
Jovian satellite system
Solar System ⓘ |
| celestialCategory |
Jovian moon
ⓘ
outer irregular Jovian moon ⓘ |
| color | dark ⓘ |
| discoverer |
David C. Jewitt
ⓘ
Jan Kleyna ⓘ Scott S. Sheppard ⓘ |
| discoveryMethod | ground-based telescope observations ⓘ |
| discoverySite |
Mauna Kea Observatory
ⓘ
linked to:
Mauna Kea Observatories
|
| discoveryYear | 2003 ⓘ |
| groupMembership | Ananke group ⓘ |
| 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)
ⓘ
linked to:
Helike (mythology)
Helike, a nymph associated with Zeus ⓘ |
| observedBy | Subaru Telescope ⓘ |
| orbitalCharacter | distant ⓘ |
| orbitalDirection | retrograde ⓘ |
| orbitalEccentricity | high ⓘ |
| orbitalInclination | about 155 degrees to the ecliptic ⓘ |
| orbitalPeriod | approximately 626 Earth days ⓘ |
| orbits | Jupiter ⓘ |
| primaryBody | Jupiter ⓘ |
| provisionalDesignation | S/2003 J 6 ⓘ |
| satelliteOf | Jupiter ⓘ |
| semiMajorAxis | approximately 20.5 million km from Jupiter ⓘ |
| shape | irregular ⓘ |
| surfaceFeatureKnowledge | poorly known ⓘ |
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: Helike Description of subject: Helike is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.