Prometheus
E555806
Prometheus is a small inner moon of Saturn known for gravitationally shaping and maintaining the structure of the planet’s F ring.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Prometheus canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5906224 — 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: Prometheus Context triple: [F ring, shepherdedBy, Prometheus]
-
A.
Prometheus
Prometheus is a Titan in Greek mythology best known for creating humanity and stealing fire from the gods to give to humans, an act for which he was severely punished by Zeus.
-
B.
Prometheus
Prometheus is a 2012 science fiction horror film directed by Ridley Scott that explores the origins of humanity through a deep-space expedition gone wrong.
-
C.
Prometheus
Prometheus is an open-source systems monitoring and alerting toolkit widely used for collecting and querying metrics in cloud-native and Kubernetes-based environments.
-
D.
Hyperion
Hyperion is a Titan from Greek mythology associated with heavenly light and often regarded as a primordial god linked to the sun and celestial bodies.
-
E.
Hyperion
Hyperion is an American publishing company and imprint known for releasing a wide range of popular fiction and nonfiction titles.
- 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: Prometheus Target entity description: Prometheus is a small inner moon of Saturn known for gravitationally shaping and maintaining the structure of the planet’s F ring.
-
A.
Prometheus
Prometheus is a Titan in Greek mythology best known for creating humanity and stealing fire from the gods to give to humans, an act for which he was severely punished by Zeus.
-
B.
Prometheus
Prometheus is a 2012 science fiction horror film directed by Ridley Scott that explores the origins of humanity through a deep-space expedition gone wrong.
-
C.
Prometheus
Prometheus is an open-source systems monitoring and alerting toolkit widely used for collecting and querying metrics in cloud-native and Kubernetes-based environments.
-
D.
Hyperion
Hyperion is a Titan from Greek mythology associated with heavenly light and often regarded as a primordial god linked to the sun and celestial bodies.
-
E.
Hyperion
Hyperion is an American publishing company and imprint known for releasing a wide range of popular fiction and nonfiction titles.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
inner moon of Saturn
ⓘ
moon of Saturn ⓘ natural satellite ⓘ |
| albedo | 0.6 ⓘ |
| assumedComposition | water ice with porosity ⓘ |
| belongsToPlanetarySystem |
Saturnian system
NERFINISHED
ⓘ
Solar System NERFINISHED ⓘ |
| belongsToRingSystem | Saturn’s ring system NERFINISHED ⓘ |
| catalogueDesignation | Saturn XVI NERFINISHED ⓘ |
| causesFeaturesIn | channels in Saturn’s F ring ⓘ |
| dimensions_km | 148 × 100 × 68 ⓘ |
| discoveredBy |
G. E. Danielson
NERFINISHED
ⓘ
S. A. Collins NERFINISHED ⓘ |
| discoveredByMission | Voyager 1 NERFINISHED ⓘ |
| discoveryYear | 1980 ⓘ |
| escapeVelocity_m_per_s | 35 ⓘ |
| explorationBy |
Cassini–Huygens
NERFINISHED
ⓘ
Voyager 1 NERFINISHED ⓘ Voyager 2 NERFINISHED ⓘ |
| gravitationallyShapes | Saturn’s F ring NERFINISHED ⓘ |
| helpsMaintainStructureOf | Saturn’s F ring NERFINISHED ⓘ |
| imagedInDetailBy | Cassini–Huygens NERFINISHED ⓘ |
| locatedWithin | Roche Division NERFINISHED ⓘ |
| meanDensity_g_per_cm3 | 0.48 ⓘ |
| meanMotionResonanceWith | F ring NERFINISHED ⓘ |
| meanRadius_km | 43 ⓘ |
| namedAfter |
Prometheus (Titan from Greek mythology)
NERFINISHED
ⓘ
Prometheus (mythology) NERFINISHED ⓘ |
| orbitalEccentricity | 0.0022 ⓘ |
| orbitalInclination_degrees | 0.008 ⓘ |
| orbitalPeriod_hours | 14.7 ⓘ |
| orbits | Saturn NERFINISHED ⓘ |
| orbitsInteriorTo | Saturn’s F ring NERFINISHED ⓘ |
| provisionalDesignation | S/1980 S 27 ⓘ |
| relativePositionAmongMoons | inner shepherd of the F ring ⓘ |
| roleInRingSystem | F-ring shepherd moon ⓘ |
| rotationPeriod_hours | 14.7 ⓘ |
| rotationState | synchronous rotation ⓘ |
| semiMajorAxis_km | 139380 ⓘ |
| shape | irregular ⓘ |
| surfaceAppearance |
grooved
ⓘ
heavily cratered ⓘ |
| surfaceGravity_m_per_s2 | 0.0033 ⓘ |
| tidallyLockedTo | Saturn NERFINISHED ⓘ |
| visualMagnitude | 15.8 ⓘ |
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: Prometheus Description of subject: Prometheus is a small inner moon of Saturn known for gravitationally shaping and maintaining the structure of the planet’s F ring.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.