Quaoar
E81703
Quaoar is a large, distant trans-Neptunian object in the Kuiper Belt, notable for its nearly circular orbit and for having a small moon named Weywot.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Quaoar canonical | 9 |
| (50000) Quaoar | 1 |
| 50000 Quaoar | 1 |
| Quaoar system | 1 |
| dwarf planet Quaoar (candidate) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T633431 — 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: Quaoar Context triple: [Kuiper Belt object, example, Quaoar]
-
A.
Makemake
Makemake is a large, icy dwarf planet in the Kuiper Belt, known for its extremely cold surface and status as one of the most massive objects beyond Neptune.
-
B.
Eris
Eris is a distant, icy dwarf planet in the outer reaches of the Solar System, notable for its size comparable to Pluto and its role in prompting the redefinition of planetary status.
-
C.
Haumea
Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
-
D.
Pluto
Pluto is a distant, icy dwarf planet in the Kuiper Belt known for its eccentric orbit and former status as the ninth planet of the Solar System.
-
E.
Ceres
Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.
- 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: Quaoar Target entity description: Quaoar is a large, distant trans-Neptunian object in the Kuiper Belt, notable for its nearly circular orbit and for having a small moon named Weywot.
-
A.
Makemake
Makemake is a large, icy dwarf planet in the Kuiper Belt, known for its extremely cold surface and status as one of the most massive objects beyond Neptune.
-
B.
Eris
Eris is a distant, icy dwarf planet in the outer reaches of the Solar System, notable for its size comparable to Pluto and its role in prompting the redefinition of planetary status.
-
C.
Haumea
Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
-
D.
Pluto
Pluto is a distant, icy dwarf planet in the Kuiper Belt known for its eccentric orbit and former status as the ninth planet of the Solar System.
-
E.
Ceres
Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Kuiper Belt object
ⓘ
cubewano ⓘ dwarf-planet candidate ⓘ minor planet ⓘ trans-Neptunian object ⓘ |
| catalogDesignation |
Quaoar
self-linksurface differs
ⓘ
surface form:
(50000) Quaoar
|
| discoveredBy |
Chad Trujillo
ⓘ
Michael E. Brown ⓘ |
| discoveryDate | 2002-06-04 ⓘ |
| discoverySite | Palomar Observatory ⓘ |
| discoveryStatus | numbered minor planet ⓘ |
| hasAbsoluteMagnitude | about 2.6 ⓘ |
| hasAlbedo | about 0.10 ⓘ |
| hasAphelionDistance | about 45.5 AU ⓘ |
| hasDensity | about 2.0 g/cm³ ⓘ |
| hasMass | about 1.4e21 kg ⓘ |
| hasMeanDiameter | about 1110 km ⓘ |
| hasMoon | Weywot ⓘ |
| hasNearlyCircularOrbit | true ⓘ |
| hasOrbitalEccentricity | 0.038 ⓘ |
| hasOrbitalInclination | 8.0 degrees ⓘ |
| hasOrbitalPeriod | about 286 Earth years ⓘ |
| hasPerihelionDistance | about 41.9 AU ⓘ |
| hasRadius | about 555 km ⓘ |
| hasRingSystem | yes ⓘ |
| hasRotationPeriod | about 17.7 hours ⓘ |
| hasSatellite | Weywot ⓘ |
| hasSemiMajorAxis | about 43.7 AU ⓘ |
| hasSpectralType | neutral to moderately red ⓘ |
| hasSurfaceComposition |
ammonia hydrates
ⓘ
methane ice ⓘ water ice ⓘ |
| hasSurfaceTemperature | about 44 K ⓘ |
| isInResonanceWith | none (classical Kuiper Belt object) ⓘ |
| isLargerThan | most Kuiper Belt objects ⓘ |
| isSmallerThan |
Eris
ⓘ
Pluto ⓘ |
| locatedIn | Kuiper Belt ⓘ |
| mpcNumber | 50000 ⓘ |
| namedAfter |
Tongva
ⓘ
surface form:
Tongva creator deity Qua-o-ar
|
| orbitalRegion | trans-Neptunian region ⓘ |
| orbits | Sun ⓘ |
| ringDiscoveredBy |
Bruno Morgado
ⓘ
collaborators using stellar occultations ⓘ |
| ringDiscoveryDate | 2023 ⓘ |
| ringLocation | outside Quaoar Roche limit ⓘ |
| satelliteDiscoveredBy | Michael E. Brown ⓘ |
| satelliteDiscoveryDate | 2007 ⓘ |
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: Quaoar Description of subject: Quaoar is a large, distant trans-Neptunian object in the Kuiper Belt, notable for its nearly circular orbit and for having a small moon named Weywot.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Kuiper Belt object
this entity surface form:
(50000) Quaoar
this entity surface form:
50000 Quaoar
this entity surface form:
dwarf planet Quaoar (candidate)