Leda
E642760
Pasiphae group member
moon of Jupiter
natural satellite
outer satellite of Jupiter
retrograde satellite
Leda is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leda canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7099924 — 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: Leda Context triple: [Jovian satellite system, hasMember, Leda]
-
A.
Leda
Leda is a river in northwestern Germany that serves as a significant tributary of the Ems.
-
B.
Leda
Leda is a figure in Greek mythology, a Spartan queen best known as the mother of Helen of Troy and the Dioscuri after being seduced by Zeus.
-
C.
Celaeno
Celaeno is one of the Pleiad nymphs in Greek mythology, a daughter of the Titan Atlas and the Oceanid Pleione.
-
D.
Danaë
Danaë is a princess in Greek mythology, mother of the hero Perseus, famously imprisoned by her father and visited by Zeus in the form of golden rain.
-
E.
Ermioni
Ermioni is a small coastal town and popular holiday destination in the Argolis region of the Peloponnese in Greece, known for its picturesque harbor and proximity to nearby islands.
- 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: Leda Target entity description: Leda is a small, irregular outer moon of Jupiter belonging to the planet’s distant, retrograde satellite group.
-
A.
Leda
Leda is a figure in Greek mythology, a Spartan queen best known as the mother of Helen of Troy and the Dioscuri after being seduced by Zeus.
-
B.
Leda
Leda is a river in northwestern Germany that serves as a significant tributary of the Ems.
-
C.
Celaeno
Celaeno is one of the Pleiad nymphs in Greek mythology, a daughter of the Titan Atlas and the Oceanid Pleione.
-
D.
Danaë
Danaë is a princess in Greek mythology, mother of the hero Perseus, famously imprisoned by her father and visited by Zeus in the form of golden rain.
-
E.
Ermioni
Ermioni is a small coastal town and popular holiday destination in the Argolis region of the Peloponnese in Greece, known for its picturesque harbor and proximity to nearby islands.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Pasiphae group member
ⓘ
moon of Jupiter ⓘ natural satellite ⓘ outer satellite of Jupiter ⓘ retrograde satellite ⓘ |
| albedo | low ⓘ |
| belongsTo | outer irregular satellites of Jupiter ⓘ |
| belongsToPlanet | Jupiter ⓘ |
| belongsToSystem | Jovian system ⓘ |
| celestialBody | Jupiter ⓘ |
| color | dark ⓘ |
| diameter_km | ~20 ⓘ |
| discoveredAt |
Mount Palomar Observatory
ⓘ
linked to:
Palomar Observatory
|
| discoveredBy | Charles T. Kowal ⓘ |
| discoveryDate | 1974-09-14 ⓘ |
| discoveryMethod | photographic observation ⓘ |
| discoveryStatus | confirmed ⓘ |
| discoveryYear | 1974 ⓘ |
| escapeVelocity_km_s | <0.05 ⓘ |
| exploredBySpacecraft | none (no dedicated flyby or imaging) ⓘ |
| group | Pasiphae group ⓘ |
| hasAtmosphere | no significant atmosphere ⓘ |
| hasOrbitalResonance | none known ⓘ |
| hostPlanet | Jupiter ⓘ |
| isGravitationallyBoundTo | Jupiter ⓘ |
| isOuterMoonOf | Jupiter ⓘ |
| isPartOf | Solar System ⓘ |
| mass | very low ⓘ |
| meanDistanceFromJupiter_AU | ~0.0746 ⓘ |
| meanDistanceFromJupiter_km | ~11160000 ⓘ |
| meanRadius_km | ~10 ⓘ |
| namedAfter |
Leda (mythology)
ⓘ
linked to:
Leda
Leda, queen of Sparta in Greek mythology ⓘ
linked to:
Leda
|
| orbitalDirection | retrograde ⓘ |
| orbitalEccentricity | ~0.16 ⓘ |
| orbitalInclination_degrees | ~27 ⓘ |
| orbitalPeriod_days | ~238.7 ⓘ |
| orbits | Jupiter ⓘ |
| orbitsBodyType | gas giant ⓘ |
| rotation | likely synchronous ⓘ |
| semiMajorAxis_km | ~11160000 ⓘ |
| shape | irregular ⓘ |
| spectralType | C-type (assumed) ⓘ |
| surfaceComposition | dark, carbon-rich material (assumed) ⓘ |
| surfaceGeology | unresolved ⓘ |
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: Leda Description of subject: Leda 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.