Haumea
E19352
Kuiper Belt object
celestial body
dwarf planet
minor planet
ringed dwarf planet
trans-Neptunian object
Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Haumea canonical | 23 |
| Haumea system | 3 |
| 136108 Haumea | 1 |
| 2003 EL61 | 1 |
| Haumea I | 1 |
| Haumea-nui | 1 |
| Haumea’s moons | 1 |
| dwarf planet Haumea | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T156264 — 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: Haumea Context triple: [Solar System, hasDwarfPlanet, Haumea]
-
A.
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.
-
B.
Alcyone
Alcyone is one of the Pleiades in Greek mythology, a daughter of the Titan Atlas and often associated with the star cluster of the same name.
-
C.
Epimetheus
Epimetheus is a figure in Greek mythology, a Titan known as the foolish brother of Prometheus and husband of Pandora, whose actions helped bring misfortune to humanity.
-
D.
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.
-
E.
Gaia
Gaia is the primordial Greek earth goddess, revered as the ancestral mother of all life and the personification of the Earth itself.
- 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: Haumea Target entity description: Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
-
A.
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.
-
B.
Alcyone
Alcyone is one of the Pleiades in Greek mythology, a daughter of the Titan Atlas and often associated with the star cluster of the same name.
-
C.
Epimetheus
Epimetheus is a figure in Greek mythology, a Titan known as the foolish brother of Prometheus and husband of Pandora, whose actions helped bring misfortune to humanity.
-
D.
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.
-
E.
Gaia
Gaia is the primordial Greek earth goddess, revered as the ancestral mother of all life and the personification of the Earth itself.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Kuiper Belt object
ⓘ
celestial body ⓘ dwarf planet ⓘ minor planet ⓘ ringed dwarf planet ⓘ trans-Neptunian object ⓘ |
| absoluteMagnitude | about 0.2 ⓘ |
| albedo | high geometric albedo ⓘ |
| alternativeName |
Haumea
ⓘ
surface form:
2003 EL61
|
| aphelionDistance | about 51.5 astronomical units ⓘ |
| argumentOfPerihelion | about 240.6 degrees ⓘ |
| belongsToDynamicalClass | Haumea family ⓘ |
| density | about 1.9 to 2.0 grams per cubic centimeter ⓘ |
| discoveredBy |
José Luis Ortiz Moreno
ⓘ
Sierra Nevada Observatory team ⓘ |
| discoveryDate | 2004-03-07 ⓘ |
| eccentricity | about 0.19 ⓘ |
| equilibriumFigure | Jacobi ellipsoid ⓘ |
| hasMoon |
Hiʻiaka
ⓘ
Namaka ⓘ |
| hasRapidRotation | true ⓘ |
| hasRingSystem | true ⓘ |
| hasSurfaceFeature | dark red spot ⓘ |
| inclination | about 28.2 degrees ⓘ |
| isElongatedDueTo | rapid rotation ⓘ |
| isInHydrostaticEquilibrium | likely ⓘ |
| isNamesakeOf | Haumea family ⓘ |
| longitudeOfAscendingNode | about 122.2 degrees ⓘ |
| mass | about 4.0×10^21 kilograms ⓘ |
| meanAnomaly | about 205.5 degrees ⓘ |
| moonDiscoveryYear | 2005 ⓘ |
| mpcDesignation |
Haumea
self-linksurface differs
ⓘ
surface form:
136108 Haumea
|
| namedAfter | Hawaiian goddess Haumea ⓘ |
| orbitalPeriod | about 284 Earth years ⓘ |
| orbitalRegion |
outer Solar System
ⓘ
surface form:
Kuiper Belt
|
| orbits | Sun ⓘ |
| perihelionDistance | about 34.7 astronomical units ⓘ |
| recognizedAsDwarfPlanetBy | International Astronomical Union ⓘ |
| ringDiscoveryYear | 2017 ⓘ |
| ringName | Hiʻiaka ring ⓘ |
| ringPlane | aligned with Haumea equator ⓘ |
| ringRadius | about 2287 kilometers from center ⓘ |
| rotationPeriod | about 3.9 hours ⓘ |
| rotationState | non-synchronous with moons ⓘ |
| semiMajorAxis | about 43.1 astronomical units ⓘ |
| shape | highly elongated ⓘ |
| spectralType | neutral to slightly blue ⓘ |
| surfaceComposition | water ice rich ⓘ |
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: Haumea Description of subject: Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Kuiper Belt object
this entity surface form:
2003 EL61
this entity surface form:
136108 Haumea
subject surface form:
Haumea
this entity surface form:
Haumea-nui
this entity surface form:
Haumea system
this entity surface form:
Haumea’s moons
this entity surface form:
Haumea system
this entity surface form:
Haumea I
this entity surface form:
dwarf planet Haumea