David J. Tholen
E506473
David J. Tholen is an American astronomer known for his work in planetary science and the discovery and characterization of small bodies and ring systems in the Solar System.
All labels observed (1)
| Label | Occurrences |
|---|---|
| David J. Tholen canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259491 — 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: David J. Tholen Context triple: [Adams ring, discoveredBy, David J. Tholen]
-
A.
David C. Jewitt
David C. Jewitt is a British-American astronomer best known for co-discovering the first Kuiper Belt object beyond Pluto, helping to reveal the Kuiper Belt as a major component of the solar system.
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B.
Mark R. Showalter
Mark R. Showalter is an American planetary astronomer known for discovering several moons and rings in the outer solar system and for his work on planetary ring dynamics.
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C.
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.
-
D.
Eric W. Kaler
Eric W. Kaler is an American chemical engineer and academic leader who has served as president of multiple major research universities.
-
E.
James W. Christy
James W. Christy is an American astronomer best known for discovering Charon, the largest moon of Pluto.
- 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: David J. Tholen Target entity description: David J. Tholen is an American astronomer known for his work in planetary science and the discovery and characterization of small bodies and ring systems in the Solar System.
-
A.
David C. Jewitt
David C. Jewitt is a British-American astronomer best known for co-discovering the first Kuiper Belt object beyond Pluto, helping to reveal the Kuiper Belt as a major component of the solar system.
-
B.
Mark R. Showalter
Mark R. Showalter is an American planetary astronomer known for discovering several moons and rings in the outer solar system and for his work on planetary ring dynamics.
-
C.
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.
-
D.
Eric W. Kaler
Eric W. Kaler is an American chemical engineer and academic leader who has served as president of multiple major research universities.
-
E.
James W. Christy
James W. Christy is an American astronomer best known for discovering Charon, the largest moon of Pluto.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | astronomer ⓘ |
| affiliation | Institute for Astronomy, University of Hawaiʻi NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt | University of Arizona NERFINISHED ⓘ |
| employer | University of Hawaiʻi at Mānoa NERFINISHED ⓘ |
| familyName | Tholen NERFINISHED ⓘ |
| fieldOfWork |
Kuiper belt objects
NERFINISHED
ⓘ
asteroids ⓘ astrometry ⓘ astronomy ⓘ comets ⓘ minor planets ⓘ near-Earth objects ⓘ orbital dynamics ⓘ photometry ⓘ planetary defense ⓘ planetary rings ⓘ planetary science ⓘ small Solar System bodies ⓘ |
| gender | male ⓘ |
| givenName | David NERFINISHED ⓘ |
| languageSpoken | English ⓘ |
| notableFor |
precision astrometric observations
ⓘ
work on planetary ring systems ⓘ work on small bodies in the Solar System ⓘ |
| notableWork |
characterization of Solar System ring systems
ⓘ
classification of asteroids ⓘ contributions to orbit determination of asteroid Apophis ⓘ contributions to planetary defense observations ⓘ discovery and characterization of small bodies in the Solar System ⓘ discovery and study of planetary ring systems ⓘ high-precision positional measurements of small bodies ⓘ long-term tracking of near-Earth asteroids ⓘ observational campaigns of Solar System small bodies ⓘ observations of asteroid Apophis ⓘ observations of cometary nuclei ⓘ observations of potentially hazardous asteroids ⓘ observations of trans-Neptunian objects ⓘ photometric studies of minor planets ⓘ precision astrometry of near-Earth objects ⓘ refinement of asteroid orbits ⓘ refinement of impact probability estimates for near-Earth objects ⓘ |
| occupation |
astronomer
ⓘ
university professor ⓘ |
| residence | Hawaiʻi NERFINISHED ⓘ |
| workLocation | Institute for Astronomy, University of Hawaiʻi NERFINISHED ⓘ |
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: David J. Tholen Description of subject: David J. Tholen is an American astronomer known for his work in planetary science and the discovery and characterization of small bodies and ring systems in the Solar System.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.