Stephen P. Synnott
E659026
Stephen P. Synnott is an American astronomer known for his work with the Voyager missions, during which he discovered several moons of the outer planets.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stephen P. Synnott canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T6121252 — 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: Stephen P. Synnott Context triple: [Despina, discoveredBy, Stephen P. Synnott]
-
A.
Donal E. R. Geaney
Donal E. R. Geaney is an Irish pharmaceutical executive best known for leading and helping build Elan Pharmaceuticals into a major biotechnology company.
-
B.
Richard M. Mullane
Richard M. Mullane is a former NASA astronaut and U.S. Air Force engineer and weapons systems officer who flew on three Space Shuttle missions in the 1980s.
-
C.
Richard L. Breen
Richard L. Breen was an American screenwriter known for his work on mid-20th-century Hollywood films, including crime dramas and thrillers.
-
D.
Peter A. Tyrrell
Peter A. Tyrrell was an American sports executive and promoter best known for his role in establishing and developing the early professional basketball franchise that became the Philadelphia Warriors.
-
E.
C. Timothy O'Meara
C. Timothy O'Meara is a film editor best known for his work on major Hollywood productions, including the fantasy epic "Conan the Barbarian" (1982).
- 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: Stephen P. Synnott Target entity description: Stephen P. Synnott is an American astronomer known for his work with the Voyager missions, during which he discovered several moons of the outer planets.
-
A.
Donal E. R. Geaney
Donal E. R. Geaney is an Irish pharmaceutical executive best known for leading and helping build Elan Pharmaceuticals into a major biotechnology company.
-
B.
Richard M. Mullane
Richard M. Mullane is a former NASA astronaut and U.S. Air Force engineer and weapons systems officer who flew on three Space Shuttle missions in the 1980s.
-
C.
Richard L. Breen
Richard L. Breen was an American screenwriter known for his work on mid-20th-century Hollywood films, including crime dramas and thrillers.
-
D.
Peter A. Tyrrell
Peter A. Tyrrell was an American sports executive and promoter best known for his role in establishing and developing the early professional basketball franchise that became the Philadelphia Warriors.
-
E.
C. Timothy O'Meara
C. Timothy O'Meara is a film editor best known for his work on major Hollywood productions, including the fantasy epic "Conan the Barbarian" (1982).
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
American
ⓘ
astronomer ⓘ |
| affiliation |
NASA Jet Propulsion Laboratory
ⓘ
linked to:
Jet Propulsion Laboratory
Voyager program ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| discovered |
Adrastea (moon)
ⓘ
linked to:
Adrastea
Metis (moon) ⓘ Pandora (moon) ⓘ Prometheus (moon) ⓘ Thebe (moon) ⓘ
linked to:
Metis (moon)
|
| employer |
Jet Propulsion Laboratory
ⓘ
NASA ⓘ |
| fieldOfWork |
astronomy
ⓘ
planetary science ⓘ |
| hasDiscoveredMoonOf |
Jupiter
ⓘ
Saturn ⓘ |
| knownFor | work on Voyager missions ⓘ |
| notableAchievement | discovery of several small moons of Jupiter and Saturn from Voyager images ⓘ |
| notableFor | discovering faint inner moons of outer planets ⓘ |
| notableWork | analysis of Voyager imaging data ⓘ |
| occupation | astronomer ⓘ |
| specialization |
image analysis of planetary systems
ⓘ
spacecraft imaging ⓘ |
| usedSpacecraftDataFrom |
Voyager 1
ⓘ
Voyager 2 ⓘ |
| workLocation |
Pasadena, California
ⓘ
linked to:
Pasadena
|
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: Stephen P. Synnott Description of subject: Stephen P. Synnott is an American astronomer known for his work with the Voyager missions, during which he discovered several moons of the outer planets.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.