1604 Tombaugh
E481621
1604 Tombaugh is a main-belt asteroid named in honor of American astronomer Clyde Tombaugh, the discoverer of Pluto.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1604 Tombaugh canonical | 2 |
| (1604) Tombaugh | 1 |
| asteroid 1604 Tombaugh-Gehrels (via family association) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4943080 — 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: 1604 Tombaugh Context triple: [Clyde Tombaugh, hasAsteroidNamedAfter, 1604 Tombaugh]
-
A.
1691 Oort
1691 Oort is a main-belt asteroid named in honor of Dutch astronomer Jan Oort, renowned for his pioneering work on the structure of the Milky Way and the Oort cloud.
-
B.
Clyde Tombaugh
Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
-
C.
Asteroid 1762 Russell
Asteroid 1762 Russell is a main-belt asteroid named in honor of American astronomer Henry Norris Russell, known for his work on stellar classification and the Hertzsprung–Russell diagram.
-
D.
Wilhelm Tempel
Wilhelm Tempel was a 19th-century German astronomer best known for discovering several comets and asteroids despite having no formal scientific education.
-
E.
Silloo Bode
Silloo Bode was the wife of Indian Field Marshal Sam Manekshaw and a member of the Parsi community.
- 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: 1604 Tombaugh Target entity description: 1604 Tombaugh is a main-belt asteroid named in honor of American astronomer Clyde Tombaugh, the discoverer of Pluto.
-
A.
1691 Oort
1691 Oort is a main-belt asteroid named in honor of Dutch astronomer Jan Oort, renowned for his pioneering work on the structure of the Milky Way and the Oort cloud.
-
B.
Clyde Tombaugh
Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
-
C.
Asteroid 1762 Russell
Asteroid 1762 Russell is a main-belt asteroid named in honor of American astronomer Henry Norris Russell, known for his work on stellar classification and the Hertzsprung–Russell diagram.
-
D.
Wilhelm Tempel
Wilhelm Tempel was a 19th-century German astronomer best known for discovering several comets and asteroids despite having no formal scientific education.
-
E.
Silloo Bode
Silloo Bode was the wife of Indian Field Marshal Sam Manekshaw and a member of the Parsi community.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
asteroid
ⓘ
main-belt asteroid ⓘ |
| absoluteMagnitude | 11.7 ⓘ |
| albedo | 0.23 ⓘ |
| belongsToCategory |
named minor planet
ⓘ
numbered minor planet ⓘ |
| diameter_km | ~12 ⓘ |
| discoveredAt | Lick Observatory ⓘ |
| discoverer | Carl A. Wirtanen ⓘ |
| discoveryDate | 1931-03-24 ⓘ |
| discoveryMethod | optical observation ⓘ |
| eccentricity | 0.18 ⓘ |
| epochOfOrbitalElements | J2000 ⓘ |
| hasAphelion_AU | 2.80 ⓘ |
| hasPerihelion_AU | 1.94 ⓘ |
| inclination_degrees | 7.3 ⓘ |
| minorPlanetNumber | 1604 ⓘ |
| mpcName |
(1604) Tombaugh
ⓘ
linked to:
1604 Tombaugh
|
| namedAfter | Clyde Tombaugh ⓘ |
| namedForDiscovery | discoverer of Pluto ⓘ |
| namedForNationality | American ⓘ |
| namedForOccupation | astronomer ⓘ |
| orbitalFamily | main belt ⓘ |
| orbitalPeriod_days | 1340 ⓘ |
| orbits | Sun ⓘ |
| rotationPeriod_hours | ~7.0 ⓘ |
| semiMajorAxis_AU | 2.37 ⓘ |
| solarSystemRegion | asteroid belt ⓘ |
| spectralType | S-type asteroid ⓘ |
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: 1604 Tombaugh Description of subject: 1604 Tombaugh is a main-belt asteroid named in honor of American astronomer Clyde Tombaugh, the discoverer of Pluto.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 1604 Tombaugh
linked to: 1604 Tombaugh