Chad Trujillo
E106308
Chad Trujillo is an American astronomer known for his role in the discovery of distant trans-Neptunian objects, including the dwarf planet Eris.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chad Trujillo canonical | 10 |
| Chadwick A. Trujillo | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T869040 — 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: Chad Trujillo Context triple: [Eris, discoveredBy, Chad Trujillo]
-
A.
Michael E. Brown
Michael E. Brown is an American astronomer known for his discoveries of distant trans-Neptunian objects that reshaped the definition of planets in our solar system.
-
B.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
C.
Mark Ciardi
Mark Ciardi is an American film producer and former Major League Baseball pitcher best known for producing inspirational sports and historical dramas such as "The Rookie," "Miracle," and "Chappaquiddick."
-
D.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
E.
Bruce T. Draine
Bruce T. Draine is an American astrophysicist renowned for his influential work on interstellar dust and the interstellar medium.
- 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: Chad Trujillo Target entity description: Chad Trujillo is an American astronomer known for his role in the discovery of distant trans-Neptunian objects, including the dwarf planet Eris.
-
A.
Michael E. Brown
Michael E. Brown is an American astronomer known for his discoveries of distant trans-Neptunian objects that reshaped the definition of planets in our solar system.
-
B.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
C.
Mark Ciardi
Mark Ciardi is an American film producer and former Major League Baseball pitcher best known for producing inspirational sports and historical dramas such as "The Rookie," "Miracle," and "Chappaquiddick."
-
D.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
E.
Bruce T. Draine
Bruce T. Draine is an American astrophysicist renowned for his influential work on interstellar dust and the interstellar medium.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
American scientist
ⓘ
astronomer ⓘ person ⓘ |
| academicDegree | PhD in astronomy ⓘ |
| coDiscovererOf |
28978 Ixion
ⓘ
50000 Quaoar ⓘ
linked to:
Quaoar
55636 2002 TX300 ⓘ 90377 Sedna ⓘ 90482 Orcus ⓘ Eris ⓘ |
| coDiscovererWith |
David L. Rabinowitz
ⓘ
Michael E. Brown ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Massachusetts Institute of Technology
ⓘ
University of Hawaii at Manoa ⓘ
linked to:
University of Hawaiʻi at Mānoa
|
| employer |
Gemini Observatory
ⓘ
Northern Arizona University ⓘ
linked to:
Northern Arizona Teachers College
|
| familyName | Trujillo ⓘ |
| fieldOfWork |
Kuiper belt objects
ⓘ
linked to:
Kuiper Belt objects
astronomy ⓘ observational astronomy ⓘ planetary science ⓘ trans-Neptunian objects ⓘ |
| gender | male ⓘ |
| givenName | Chadwick ⓘ |
| knownFor |
discovery of 28978 Ixion
ⓘ
discovery of 50000 Quaoar ⓘ discovery of 55636 2002 TX300 ⓘ discovery of 90377 Sedna ⓘ discovery of 90482 Orcus ⓘ discovery of Sedna ⓘ discovery of dwarf planet Eris ⓘ discovery of scattered disc objects ⓘ discovery of trans-Neptunian objects ⓘ research on outer Solar System ⓘ |
| languageSpoken | English ⓘ |
| name |
Chadwick A. Trujillo
ⓘ
linked to:
Chad Trujillo
|
| nationality | American ⓘ |
| notableWork | surveys for distant Solar System bodies ⓘ |
| positionHeld | assistant professor of astronomy at Northern Arizona University ⓘ |
| researchInterest |
Kuiper belt
ⓘ
linked to:
Kuiper Belt
distant Solar System objects ⓘ scattered disc ⓘ |
| workLocation |
Flagstaff, Arizona
ⓘ
linked to:
Flagstaff
Hilo, Hawaii ⓘ
linked to:
Hilo
|
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: Chad Trujillo Description of subject: Chad Trujillo is an American astronomer known for his role in the discovery of distant trans-Neptunian objects, including the dwarf planet Eris.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chad Trujillo
linked to: Chad Trujillo
linked to: Chad Trujillo
subject linked to:
90482 Orcus (2004 DW)
linked to: Chad Trujillo
linked to: Chad Trujillo
linked to: Chad Trujillo
subject linked to:
dwarf planet Gonggong (candidate)
linked to: Chad Trujillo
subject linked to:
Orcus–Vanth system
subject linked to:
dwarf planet Orcus