Dysnomia
E106309
Dysnomia is the small natural satellite of the distant dwarf planet Eris in the outer Solar System.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dysnomia canonical | 3 |
| Dysnomia (mythology) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T869061 — 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: Dysnomia Context triple: [Eris, hasSatellite, Dysnomia]
-
A.
Pallas
Pallas was a British Royal Navy frigate active during the American Revolutionary War, notably engaged in North Sea operations against French and American forces.
-
B.
Antheia
Antheia is a minor Greek goddess associated with flowers, blossoms, and vegetation, often linked to the Hesperides and other nature deities.
-
C.
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.
-
D.
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.
-
E.
Luna
Luna is the natural satellite of Earth, renowned for its phases, influence on tides, and prominence in human culture and mythology.
- 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: Dysnomia Target entity description: Dysnomia is the small natural satellite of the distant dwarf planet Eris in the outer Solar System.
-
A.
Pallas
Pallas was a British Royal Navy frigate active during the American Revolutionary War, notably engaged in North Sea operations against French and American forces.
-
B.
Antheia
Antheia is a minor Greek goddess associated with flowers, blossoms, and vegetation, often linked to the Hesperides and other nature deities.
-
C.
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.
-
D.
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.
-
E.
Luna
Luna is the natural satellite of Earth, renowned for its phases, influence on tides, and prominence in human culture and mythology.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
moon ⓘ natural satellite ⓘ |
| albedo | low ⓘ |
| belongsTo | Solar System ⓘ |
| belongsToCategory |
Kuiper belt objects
ⓘ
linked to:
Kuiper Belt objects
moons of dwarf planets ⓘ trans-Neptunian satellites ⓘ |
| diameter | about 700 km ⓘ |
| discoveredBy |
Chad Trujillo
ⓘ
David Rabinowitz ⓘ
linked to:
David L. Rabinowitz
Michael E. Brown ⓘ |
| discoveredUsing | W. M. Keck Observatory ⓘ |
| discoveryDate | 2005-09-10 ⓘ |
| discoveryMethod | observational astronomy ⓘ |
| discoveryStatus | first known moon of Eris ⓘ |
| discoveryYear | 2005 ⓘ |
| distanceFromSun | about 96 AU (via Eris orbit, variable) ⓘ |
| gravitationalInteractionWith | Eris ⓘ |
| hasNo | known atmosphere ⓘ |
| hasOrbitalResonance | none known with other bodies ⓘ |
| helpsDetermine | density of Eris ⓘ |
| isSatelliteOf | Eris ⓘ |
| locatedIn | outer Solar System ⓘ |
| mass | significantly less than Eris ⓘ |
| meanOrbitalPeriod | about 15.8 days ⓘ |
| meanRadius | about 350 km ⓘ |
| nameApprovalYear | 2006 ⓘ |
| namedAfter |
Dysnomia (mythology)
ⓘ
linked to:
Dysnomia
Greek goddess of lawlessness ⓘ |
| namingAuthority | International Astronomical Union ⓘ |
| observedBy | Hubble Space Telescope ⓘ |
| orbitalEccentricity | low ⓘ |
| orbitalInclination | small relative to Eris equator (likely near-zero) ⓘ |
| orbits | Eris ⓘ |
| orbitsAround | barycenter of Eris–Dysnomia system ⓘ |
| parentBody | Eris ⓘ |
| parentBodyType | dwarf planet ⓘ |
| partOf |
Eris system
ⓘ
linked to:
Eris
|
| provisionalDesignation |
S/2005 (2003 UB313) 1
ⓘ
linked to:
Eris
|
| rotationState | likely tidally locked to Eris ⓘ |
| spectralType | dark, likely water-ice-rich body ⓘ |
| surfaceColor | neutral to slightly reddish ⓘ |
| surfaceComposition | likely water ice with dark material ⓘ |
| systemMassConstraint | used to determine mass of Eris ⓘ |
| systemType | binary dwarf-planet–moon system ⓘ |
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: Dysnomia Description of subject: Dysnomia is the small natural satellite of the distant dwarf planet Eris in the outer Solar System.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.