(386723) 2009 YE7
E468363
Haumea family member
Kuiper Belt object
collisional fragment
cubewano
minor planet
trans-Neptunian object
(386723) 2009 YE7 is a trans-Neptunian object in the Kuiper Belt, notable as a collisional fragment associated with the dwarf planet Haumea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| (386723) 2009 YE7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4756673 — 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: (386723) 2009 YE7 Context triple: [Haumea family, hasMember, (386723) 2009 YE7]
-
A.
28978 Ixion
28978 Ixion is a large trans-Neptunian object in the Kuiper Belt classified as a plutino, known for its similar orbital resonance with Neptune as Pluto.
-
B.
90377 Sedna
90377 Sedna is a distant, large trans-Neptunian object in the outer reaches of the Solar System, notable for its highly elongated orbit and status as one of the most remote known bodies orbiting the Sun.
-
C.
20000 Varuna
20000 Varuna is a large trans-Neptunian object in the Kuiper Belt, notable for its rapid rotation, elongated shape, and status as one of the earliest discovered significant bodies beyond Neptune.
-
D.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
E.
2004 DW
2004 DW is the provisional designation for Orcus, a large Kuiper Belt dwarf-planet candidate often compared to Pluto in size and orbital characteristics.
- 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: (386723) 2009 YE7 Target entity description: (386723) 2009 YE7 is a trans-Neptunian object in the Kuiper Belt, notable as a collisional fragment associated with the dwarf planet Haumea.
-
A.
28978 Ixion
28978 Ixion is a large trans-Neptunian object in the Kuiper Belt classified as a plutino, known for its similar orbital resonance with Neptune as Pluto.
-
B.
90377 Sedna
90377 Sedna is a distant, large trans-Neptunian object in the outer reaches of the Solar System, notable for its highly elongated orbit and status as one of the most remote known bodies orbiting the Sun.
-
C.
20000 Varuna
20000 Varuna is a large trans-Neptunian object in the Kuiper Belt, notable for its rapid rotation, elongated shape, and status as one of the earliest discovered significant bodies beyond Neptune.
-
D.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
E.
2004 DW
2004 DW is the provisional designation for Orcus, a large Kuiper Belt dwarf-planet candidate often compared to Pluto in size and orbital characteristics.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Haumea family member
ⓘ
Kuiper Belt object ⓘ collisional fragment ⓘ cubewano ⓘ minor planet ⓘ trans-Neptunian object ⓘ |
| albedo | high ⓘ |
| associatedWithDwarfPlanet | Haumea ⓘ |
| belongsToCollisionalFamily | Haumea family ⓘ |
| belongsToDynamicalClass | classical Kuiper Belt object ⓘ |
| celestialCategory | trans-Neptunian object ⓘ |
| color | neutral ⓘ |
| discoveredIn | 2009 ⓘ |
| dynamicalGroup |
Haumea collisional family
ⓘ
linked to:
Haumea family
|
| hasDynamicalStatus | classical TNO ⓘ |
| hasOrbitalRegion | beyond Neptune ⓘ |
| hasOrbitalStability | classical Kuiper Belt-like ⓘ |
| hasOrigin | Haumea impact event ⓘ |
| hasPhysicalFamily | Haumea family ⓘ |
| hasSimilarOrbitTo | Haumea ⓘ |
| hasSimilarPhysicalPropertiesTo | Haumea family objects ⓘ |
| isGravitationallyBoundTo | Sun ⓘ |
| isNonResonant | true ⓘ |
| isPartOf | Solar System ⓘ |
| locatedIn | Kuiper Belt ⓘ |
| minorPlanetNumber | 386723 ⓘ |
| orbits | Sun ⓘ |
| provisionalDesignation | 2009 YE7 ⓘ |
| spectralType | water-ice rich ⓘ |
| surfaceComposition | water ice ⓘ |
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: (386723) 2009 YE7 Description of subject: (386723) 2009 YE7 is a trans-Neptunian object in the Kuiper Belt, notable as a collisional fragment associated with the dwarf planet Haumea.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.