Lysithea
E646437
Lysithea is a small, irregular outer moon of Jupiter, classified among its prograde Pasiphae group of satellites.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lysithea canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7099926 — 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: Lysithea Context triple: [Jovian satellite system, hasMember, Lysithea]
-
A.
Aegaeon
Aegaeon is a figure from Greek mythology, often identified with the Hecatoncheires giant Briareus, known for having a hundred hands and fifty heads.
-
B.
Adrastea
Adrastea is an epithet and aspect of the Greek goddess Nemesis, associated with inescapable retribution and the dispensing of divine justice.
-
C.
Adrastea
Adrastea is a small inner moon of Jupiter that orbits close to the planet’s rings and helps supply them with material.
-
D.
Dysnomia
Dysnomia is the ancient Greek personification of lawlessness and disorder, representing the breakdown of social and legal norms.
-
E.
Dysnomia
Dysnomia is the small natural satellite of the distant dwarf planet Eris in the outer Solar System.
- 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: Lysithea Target entity description: Lysithea is a small, irregular outer moon of Jupiter, classified among its prograde Pasiphae group of satellites.
-
A.
Aegaeon
Aegaeon is a figure from Greek mythology, often identified with the Hecatoncheires giant Briareus, known for having a hundred hands and fifty heads.
-
B.
Adrastea
Adrastea is an epithet and aspect of the Greek goddess Nemesis, associated with inescapable retribution and the dispensing of divine justice.
-
C.
Adrastea
Adrastea is a small inner moon of Jupiter that orbits close to the planet’s rings and helps supply them with material.
-
D.
Dysnomia
Dysnomia is the ancient Greek personification of lawlessness and disorder, representing the breakdown of social and legal norms.
-
E.
Dysnomia
Dysnomia is the small natural satellite of the distant dwarf planet Eris in the outer Solar System.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Jupiter
ⓘ
natural satellite ⓘ outer moon of Jupiter ⓘ prograde irregular satellite ⓘ |
| absoluteMagnitude | ~11.7 ⓘ |
| albedo | low ⓘ |
| alternativeName |
Jupiter X
NERFINISHED
ⓘ
S/1938 J 1 NERFINISHED ⓘ |
| belongsTo | Jupiter’s irregular satellites NERFINISHED ⓘ |
| belongsToPlanetarySystem | Jovian system NERFINISHED ⓘ |
| celestialBodyType | irregular satellite ⓘ |
| color | grey ⓘ |
| diameter | ~36 km ⓘ |
| discoveredBy | Seth Barnes Nicholson NERFINISHED ⓘ |
| discoveryDesignation | Jupiter X NERFINISHED ⓘ |
| discoveryMethod | ground-based optical observation ⓘ |
| discoverySite | Mount Wilson Observatory NERFINISHED ⓘ |
| discoveryYear | 1938 ⓘ |
| eccentricity | moderate ⓘ |
| escapeVelocity | very low ⓘ |
| gravitationallyBoundTo | Jupiter NERFINISHED ⓘ |
| groupClassification | Himalia group NERFINISHED ⓘ |
| hasAtmosphere | no significant atmosphere ⓘ |
| hasOrbitalResonance | none known ⓘ |
| hasParentBody | Jupiter NERFINISHED ⓘ |
| inclination | ~28° to Jupiter’s equator ⓘ |
| isPartOf | Jupiter’s satellite system ⓘ |
| isSmallerThan | Himalia NERFINISHED ⓘ |
| locatedIn | outer region of Jupiter’s satellite system ⓘ |
| meanDensity | low ⓘ |
| meanRadius | ~18 km ⓘ |
| memberOf | Himalia group NERFINISHED ⓘ |
| namedAfter |
Lysithea (mythology)
NERFINISHED
ⓘ
Lysithea, a lover of Zeus NERFINISHED ⓘ |
| namedBy | International Astronomical Union NERFINISHED ⓘ |
| observedBy | ground-based telescopes ⓘ |
| orbitalDirection | prograde ⓘ |
| orbitalPeriod | ~259 Earth days ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| rotation | synchronous rotation assumed ⓘ |
| semiMajorAxis | ~11.7 million km from Jupiter ⓘ |
| shape | irregular ⓘ |
| spectralType | C-type (carbonaceous-like) ⓘ |
| surfaceComposition | dark, likely carbon-rich material ⓘ |
| surfaceFeatureResolution | unresolved in most images ⓘ |
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: Lysithea Description of subject: Lysithea is a small, irregular outer moon of Jupiter, classified among its prograde Pasiphae group of satellites.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.