Ultima
E532524
Ultima is the informal nickname given to the larger of the two lobes of the contact binary Kuiper Belt object 486958 Arrokoth, visited by NASA’s New Horizons spacecraft.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ultima canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5561176 — 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: Ultima Context triple: [Arrokoth, largerLobeNickname, Ultima]
-
A.
Ultima
Ultima is a science fiction novel by Stephen Baxter that explores grand-scale cosmic engineering, alternate histories, and the far future of humanity.
-
B.
The Last Druid
The Last Druid is the concluding novel in Terry Brooks’s Shannara saga, wrapping up the long-running epic fantasy storyline of the Four Lands.
-
C.
Faith of the Seven
Faith of the Seven is the dominant polytheistic religion in the world of Game of Thrones, centered on worship of seven aspects of a single deity and closely tied to the politics and culture of Westeros.
-
D.
The Pathfinder
The Pathfinder is a historical novel by James Fenimore Cooper, part of his Leatherstocking Tales series, following the frontier adventures of Natty Bumppo in the Great Lakes region.
-
E.
The Solitude Trilogy
The Solitude Trilogy is a series of three experimental radio documentaries by pianist Glenn Gould that explore themes of isolation, northern landscapes, and the inner lives of their subjects through innovative sound collage techniques.
- 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: Ultima Target entity description: Ultima is the informal nickname given to the larger of the two lobes of the contact binary Kuiper Belt object 486958 Arrokoth, visited by NASA’s New Horizons spacecraft.
-
A.
Ultima
Ultima is a science fiction novel by Stephen Baxter that explores grand-scale cosmic engineering, alternate histories, and the far future of humanity.
-
B.
The Last Druid
The Last Druid is the concluding novel in Terry Brooks’s Shannara saga, wrapping up the long-running epic fantasy storyline of the Four Lands.
-
C.
Faith of the Seven
Faith of the Seven is the dominant polytheistic religion in the world of Game of Thrones, centered on worship of seven aspects of a single deity and closely tied to the politics and culture of Westeros.
-
D.
The Pathfinder
The Pathfinder is a historical novel by James Fenimore Cooper, part of his Leatherstocking Tales series, following the frontier adventures of Natty Bumppo in the Great Lakes region.
-
E.
The Solitude Trilogy
The Solitude Trilogy is a series of three experimental radio documentaries by pianist Glenn Gould that explore themes of isolation, northern landscapes, and the inner lives of their subjects through innovative sound collage techniques.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Kuiper Belt object lobe
ⓘ
astronomical object component ⓘ |
| bodyType | cold classical Kuiper Belt object lobe ⓘ |
| componentOf | contact binary 486958 Arrokoth NERFINISHED ⓘ |
| connectedTo | Thule NERFINISHED ⓘ |
| connectionType | narrow neck ⓘ |
| discoveredAsPartOf | 486958 Arrokoth NERFINISHED ⓘ |
| distanceFromSunAtFlyby | ~43 AU ⓘ |
| flybyDate | 2019-01-01 ⓘ |
| flybyMission | New Horizons NERFINISHED ⓘ |
| formalNameOfSystem | 486958 Arrokoth NERFINISHED ⓘ |
| formationScenario | gentle merger of two primordial planetesimals ⓘ |
| hasNicknameFor | larger lobe of 486958 Arrokoth ⓘ |
| locatedIn | Kuiper Belt NERFINISHED ⓘ |
| namedBy | New Horizons science team NERFINISHED ⓘ |
| namingStatus | informal nickname ⓘ |
| observedBy | New Horizons NERFINISHED ⓘ |
| orbitalRegion | trans-Neptunian region ⓘ |
| partOf | 486958 Arrokoth NERFINISHED ⓘ |
| previousSystemNickname |
2014 MU69
ⓘ
Ultima Thule NERFINISHED ⓘ |
| relativeSize | larger lobe of Arrokoth ⓘ |
| rotationSharedWith | 486958 Arrokoth NERFINISHED ⓘ |
| rotationState | tidally locked within contact binary ⓘ |
| shape | roughly spherical ⓘ |
| surfaceColor | reddish ⓘ |
| surfaceComposition | complex organic materials (tholins) ⓘ |
| surfaceFeatures |
bright spots
ⓘ
depressed regions ⓘ |
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: Ultima Description of subject: Ultima is the informal nickname given to the larger of the two lobes of the contact binary Kuiper Belt object 486958 Arrokoth, visited by NASA’s New Horizons spacecraft.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Arrokoth