Phoebe
E45105
Phoebe is an irregular, retrograde moon of Saturn believed to be a captured object from the outer Solar System.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Phoebe canonical | 14 |
How this entity was disambiguated
This entity first appeared as the object of triple T206839 — 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: Phoebe Context triple: [Iapetus, sibling, Phoebe]
-
A.
Leah
Leah is a prominent biblical matriarch, wife of Jacob and mother of several tribes of Israel, traditionally believed to be buried in the Cave of the Patriarchs in Hebron.
-
B.
Chloe
Chloe is the birth name of Nobel Prize–winning American novelist Toni Morrison, renowned for her powerful explorations of African American life and history.
-
C.
Sara
Sara is a feminine given name of Hebrew origin meaning "princess," historically borne by notable figures including Sara Ann Delano Roosevelt, the mother of U.S. President Franklin D. Roosevelt.
-
D.
Becky
Becky is a common English feminine given name, typically used as a diminutive of Rebecca.
-
E.
Paula
Paula is a feminine given name used in many languages, derived from the Latin name Paulus meaning "small" or "humble."
- 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: Phoebe Target entity description: Phoebe is an irregular, retrograde moon of Saturn believed to be a captured object from the outer Solar System.
-
A.
Leah
Leah is a prominent biblical matriarch, wife of Jacob and mother of several tribes of Israel, traditionally believed to be buried in the Cave of the Patriarchs in Hebron.
-
B.
Chloe
Chloe is the birth name of Nobel Prize–winning American novelist Toni Morrison, renowned for her powerful explorations of African American life and history.
-
C.
Sara
Sara is a feminine given name of Hebrew origin meaning "princess," historically borne by notable figures including Sara Ann Delano Roosevelt, the mother of U.S. President Franklin D. Roosevelt.
-
D.
Becky
Becky is a common English feminine given name, typically used as a diminutive of Rebecca.
-
E.
Paula
Paula is a feminine given name used in many languages, derived from the Latin name Paulus meaning "small" or "humble."
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
irregular satellite
ⓘ
moon of Saturn ⓘ natural satellite ⓘ retrograde satellite ⓘ |
| albedo | low geometric albedo ⓘ |
| atmosphere | no substantial atmosphere detected ⓘ |
| axialTilt | small relative to its orbit ⓘ |
| belongsTo |
Saturnian system
ⓘ
Solar System ⓘ |
| belongsToGroup | Norse group of Saturnian moons ⓘ |
| catalogCode | S/1899 S 1 ⓘ |
| contributesTo | Phoebe ring of Saturn ⓘ |
| density_g_per_cm3 | approximately 1.6 ⓘ |
| designation | Saturn IX ⓘ |
| discoveredBy | William Henry Pickering ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| discoveryYear | 1899 ⓘ |
| eccentricity | high orbital eccentricity ⓘ |
| escapeVelocity_m_per_s | approximately 100 ⓘ |
| firstOuterMoonOfSaturnDiscovered | true ⓘ |
| flybyDate | 2004 ⓘ |
| gravitationalInfluence | affects dust distribution in outer Saturnian system ⓘ |
| gravity | very low surface gravity ⓘ |
| imagedBy |
Cassini imaging system
ⓘ
linked to:
Cassini–Huygens
|
| inclination | high inclination relative to Saturn’s equator ⓘ |
| likelyOrigin | outer Solar System ⓘ |
| meanDiameter_km | approximately 213 ⓘ |
| meanRadius_km | approximately 106.5 ⓘ |
| namedAfter |
Phoebe (Titaness from Greek mythology)
ⓘ
linked to:
Asteria
|
| orbitalClass | irregular ⓘ |
| orbitalDirection | retrograde ⓘ |
| orbitalPeriod_days | approximately 550 ⓘ |
| orbits | Saturn ⓘ |
| possibleOrigin |
captured Kuiper belt object
ⓘ
captured centaur-like body ⓘ |
| ringAssociation | source of material for Saturn’s outer Phoebe ring ⓘ |
| rotationPeriod_hours | approximately 9.27 ⓘ |
| rotationState | not tidally locked ⓘ |
| scientificInterest | clues to early outer Solar System conditions ⓘ |
| semiMajorAxis_km | approximately 12,952,000 ⓘ |
| shape | roughly spherical but irregular ⓘ |
| spectralType | C-type or D-type asteroid–like ⓘ |
| surfaceColor | dark ⓘ |
| surfaceComposition | water ice mixed with dark material ⓘ |
| surfaceFeatures |
heavily cratered
ⓘ
large impact basins ⓘ |
| visitedBy |
Cassini–Huygens spacecraft
ⓘ
linked to:
Cassini–Huygens
|
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: Phoebe Description of subject: Phoebe is an irregular, retrograde moon of Saturn believed to be a captured object from the outer Solar System.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.