Chaffee crater on the Moon
E786425
Chaffee crater on the Moon is a lunar impact crater named in honor of astronaut Roger B. Chaffee, one of the Apollo 1 crew members who died in a pre-launch test accident.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chaffee crater on the Moon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9245811 — 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: Chaffee crater on the Moon Context triple: [Roger B. Chaffee, hasMemorial, Chaffee crater on the Moon]
-
A.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
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B.
Lassell crater on the Moon
Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
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C.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
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D.
Foucault crater on the Moon
Foucault crater on the Moon is a small lunar impact crater named in honor of French physicist Léon Foucault, located near the Moon’s southwestern limb.
-
E.
Hale crater on the Moon
Hale crater on the Moon is a lunar impact crater named in honor of American solar astronomer George Ellery Hale.
- 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: Chaffee crater on the Moon Target entity description: Chaffee crater on the Moon is a lunar impact crater named in honor of astronaut Roger B. Chaffee, one of the Apollo 1 crew members who died in a pre-launch test accident.
-
A.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
-
B.
Lassell crater on the Moon
Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
-
C.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
-
D.
Foucault crater on the Moon
Foucault crater on the Moon is a small lunar impact crater named in honor of French physicist Léon Foucault, located near the Moon’s southwestern limb.
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E.
Hale crater on the Moon
Hale crater on the Moon is a lunar impact crater named in honor of American solar astronomer George Ellery Hale.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
impact crater on the Moon
ⓘ
lunar impact crater ⓘ |
| category | Impact craters on the Moon ⓘ |
| colongitude | 246 ⓘ |
| coordinateSystem | selenographic coordinates ⓘ |
| diameter | 49 km ⓘ |
| eponym | Roger B. Chaffee ⓘ |
| hasEponymNationality | American ⓘ |
| hasFeature |
eroded crater walls
ⓘ
relatively level interior floor ⓘ small craterlets along the rim ⓘ small craterlets on the interior floor ⓘ worn outer rim ⓘ |
| hasInterior | relatively featureless central floor ⓘ |
| hasRim | rounded and somewhat irregular rim ⓘ |
| hasSatelliteCrater |
Chaffee A
ⓘ
linked to:
Chaffee
Chaffee B ⓘ
linked to:
Chaffee
Chaffee C ⓘ
linked to:
Chaffee
|
| honors |
Apollo 1 astronaut Roger B. Chaffee
ⓘ
linked to:
Roger B. Chaffee
|
| isNear |
Apollo (lunar crater)
ⓘ
Grissom (lunar crater) ⓘ White (lunar crater) ⓘ |
| isNorthOf | Apollonius (lunar crater) ⓘ |
| locatedIn |
far side of the Moon
ⓘ
lunar southern hemisphere ⓘ |
| locatedOn | Moon ⓘ |
| namedAfter | Roger B. Chaffee ⓘ |
| namedForMission | Apollo 1 crew member ⓘ |
| namedForRole | NASA astronaut ⓘ |
| namingAuthority | International Astronomical Union ⓘ |
| observationMethod |
Apollo mission photography
ⓘ
lunar orbiter imagery ⓘ |
| officialNameAdoptedByIAU | 1970 ⓘ |
| quadrant | southeastern far side of the Moon ⓘ |
| relatedEvent |
Apollo 1 pre-launch test accident
ⓘ
linked to:
Apollo 1
|
| surfaceAge | pre-Imbrian or early lunar highlands age (approximate) ⓘ |
| surfaceType | heavily cratered highlands ⓘ |
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: Chaffee crater on the Moon Description of subject: Chaffee crater on the Moon is a lunar impact crater named in honor of astronaut Roger B. Chaffee, one of the Apollo 1 crew members who died in a pre-launch test accident.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.