Amalthea
E646436
Amalthea is a small, irregularly shaped inner moon of Jupiter known for its reddish color and porous, low-density composition.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Amalthea canonical | 2 |
| Amalthea gossamer ring | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7099921 — 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: Amalthea Context triple: [Jovian satellite system, hasMember, Amalthea]
-
A.
Amalthea
Amalthea is a nurturing figure from Greek mythology, often depicted as the goat or nymph who cared for the infant Zeus and is associated with the origin of the cornucopia.
-
B.
Dione
Dione is an icy mid-sized moon of Saturn known for its bright, heavily cratered surface and extensive system of fractures and cliffs.
-
C.
Dione
Dione is a figure in Greek mythology often regarded as a Titaness or early goddess associated with oracular power and sometimes identified as the mother of Aphrodite.
-
D.
Adrastea
Adrastea is an epithet and aspect of the Greek goddess Nemesis, associated with inescapable retribution and the dispensing of divine justice.
-
E.
Adrastea
Adrastea is a small inner moon of Jupiter that orbits close to the planet’s rings and helps supply them with material.
- 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: Amalthea Target entity description: Amalthea is a small, irregularly shaped inner moon of Jupiter known for its reddish color and porous, low-density composition.
-
A.
Amalthea
Amalthea is a nurturing figure from Greek mythology, often depicted as the goat or nymph who cared for the infant Zeus and is associated with the origin of the cornucopia.
-
B.
Dione
Dione is an icy mid-sized moon of Saturn known for its bright, heavily cratered surface and extensive system of fractures and cliffs.
-
C.
Dione
Dione is a figure in Greek mythology often regarded as a Titaness or early goddess associated with oracular power and sometimes identified as the mother of Aphrodite.
-
D.
Adrastea
Adrastea is an epithet and aspect of the Greek goddess Nemesis, associated with inescapable retribution and the dispensing of divine justice.
-
E.
Adrastea
Adrastea is a small inner moon of Jupiter that orbits close to the planet’s rings and helps supply them with material.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Jupiter
ⓘ
natural satellite ⓘ |
| albedo | low ⓘ |
| belongsToGroup | Amalthea group of moons NERFINISHED ⓘ |
| belongsToPlanetarySystem | Jovian system NERFINISHED ⓘ |
| catalogDesignation | Jupiter V NERFINISHED ⓘ |
| celestialBodyType | inner moon ⓘ |
| color | reddish ⓘ |
| contributesTo | Jupiter's gossamer rings NERFINISHED ⓘ |
| density_g_per_cm3 | ~0.86 ⓘ |
| dimensions_km | 250 × 146 × 128 ⓘ |
| discoveredBy | Edward Emerson Barnard NERFINISHED ⓘ |
| discoveryDate | 1892-09-09 ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| escapeVelocity_km_per_s | ~0.058 ⓘ |
| exploredBy |
Galileo spacecraft
NERFINISHED
ⓘ
Voyager 1 NERFINISHED ⓘ Voyager 2 NERFINISHED ⓘ |
| hasNo | substantial atmosphere ⓘ |
| inclination_degrees | ~0.37 to Jupiter's equator ⓘ |
| largestCrater |
Gaea crater
NERFINISHED
ⓘ
Pan crater NERFINISHED ⓘ |
| location | within Jupiter's faint ring system ⓘ |
| meanRadius_km | ~83 ⓘ |
| meanSurfaceGravity_m_per_s2 | ~0.02 ⓘ |
| namedAfter | Amalthea (nymph in Greek mythology) NERFINISHED ⓘ |
| observedInDetailBy | Galileo orbiter NERFINISHED ⓘ |
| orbitalEccentricity | ~0.003 ⓘ |
| orbitalPeriod_days | ~0.498 ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| parentPlanet | Jupiter NERFINISHED ⓘ |
| porosity | high ⓘ |
| relativePosition | one of the inner Galilean-region moons ⓘ |
| rotation | synchronous with its orbital period ⓘ |
| semiMajorAxis_km | ~181000 ⓘ |
| shape | irregular ⓘ |
| spectralType | reddened, non-icy spectrum ⓘ |
| surfaceComposition | porous, icy and rocky material ⓘ |
| surfaceFeature |
grooves
ⓘ
large impact craters ⓘ ridges ⓘ |
| surfaceMaterial | sulfur-rich material from Io ⓘ |
| surfaceTemperature_K | ~120 ⓘ |
| tidalLock | Jupiter 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: Amalthea Description of subject: Amalthea is a small, irregularly shaped inner moon of Jupiter known for its reddish color and porous, low-density composition.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Amalthea gossamer ring