Enceladus
E148113
Enceladus is an icy moon of Saturn known for its spectacular geysers that eject water vapor and ice, suggesting a subsurface ocean that may harbor conditions suitable for life.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Enceladus canonical | 6 |
| Enceladus (giant in Greek mythology) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1146400 — 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: Enceladus Context triple: [Saturn, hasMajorMoon, Enceladus]
-
A.
Tethys
Tethys is a Titaness in Greek mythology, traditionally regarded as a primordial sea goddess and wife of Oceanus.
-
B.
Tethys
Tethys is one of Saturn’s mid-sized icy moons, known for its bright, heavily cratered surface and massive Odysseus impact basin.
-
C.
Iapetus
Iapetus is a Titan from Greek mythology, often associated with mortality and craftsmanship and known as the father of Prometheus, Epimetheus, Atlas, and Menoetius.
-
D.
Iapetus
Iapetus is a distinctive moon of Saturn known for its striking two-tone coloration and unusually large equatorial ridge.
-
E.
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.
- 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: Enceladus Target entity description: Enceladus is an icy moon of Saturn known for its spectacular geysers that eject water vapor and ice, suggesting a subsurface ocean that may harbor conditions suitable for life.
-
A.
Tethys
Tethys is a Titaness in Greek mythology, traditionally regarded as a primordial sea goddess and wife of Oceanus.
-
B.
Tethys
Tethys is one of Saturn’s mid-sized icy moons, known for its bright, heavily cratered surface and massive Odysseus impact basin.
-
C.
Iapetus
Iapetus is a Titan from Greek mythology, often associated with mortality and craftsmanship and known as the father of Prometheus, Epimetheus, Atlas, and Menoetius.
-
D.
Iapetus
Iapetus is a distinctive moon of Saturn known for its striking two-tone coloration and unusually large equatorial ridge.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
icy moon
ⓘ
moon of Saturn ⓘ natural satellite ⓘ |
| albedo | ~0.99 ⓘ |
| astrobiologicalInterest | possible conditions suitable for life ⓘ |
| atmosphericComponent |
carbon dioxide
ⓘ
methane ⓘ molecular hydrogen ⓘ water vapor ⓘ |
| composition |
silicate rock (core)
ⓘ
water ice ⓘ |
| consideredPotentiallyHabitable | true ⓘ |
| contributesTo | E ring of Saturn ⓘ |
| diameter | 504.2 km ⓘ |
| discoveredBy | William Herschel ⓘ |
| discoveryDate | 1789-08-28 ⓘ |
| emits |
ice grains
ⓘ
organic compounds ⓘ salts ⓘ water vapor plumes ⓘ |
| escapeVelocity | 0.239 km/s ⓘ |
| exploredBy |
Cassini–Huygens
ⓘ
Voyager 1 ⓘ Voyager 2 ⓘ |
| flybyCountByCassini | 23 ⓘ |
| geologicalActivity |
cryovolcanism
ⓘ
tectonics ⓘ |
| hasAtmosphereType | tenuous atmosphere ⓘ |
| hasFeature |
cryovolcanic geysers
ⓘ
south polar terrain ⓘ tiger stripe fractures ⓘ |
| hasSubsurfaceOcean | true ⓘ |
| heatSource | tidal heating ⓘ |
| mass | 1.08×10^20 kg ⓘ |
| meanDensity | 1.61 g/cm³ ⓘ |
| meanRadius | 252.1 km ⓘ |
| memberOf | Saturnian system ⓘ |
| namedAfter |
Enceladus
self-linksurface differs
ⓘ
surface form:
Enceladus (giant in Greek mythology)
|
| oceanLocation | global subsurface ocean beneath ice shell ⓘ |
| orbitalEccentricity | 0.0047 ⓘ |
| orbitalInclination | 0.009° to Saturn’s equator ⓘ |
| orbitalPeriod | 1.370218 day ⓘ |
| orbits | Saturn ⓘ |
| rotationPeriod | 1.370218 day ⓘ |
| rotationState | synchronous rotation ⓘ |
| semiMajorAxis | 237,948 km ⓘ |
| surfaceFeatureNameTheme | characters and places from The Arabian Nights ⓘ |
| surfaceGravity | 0.113 m/s² ⓘ |
| surfaceTemperature |
~33 K (night)
ⓘ
~75 K (equatorial day) ⓘ |
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: Enceladus Description of subject: Enceladus is an icy moon of Saturn known for its spectacular geysers that eject water vapor and ice, suggesting a subsurface ocean that may harbor conditions suitable for life.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Giants (Greek mythology)
this entity surface form:
Enceladus (giant in Greek mythology)