Surveyor 4
E941325
Surveyor 4 was a NASA unmanned lunar lander launched in 1967 as part of the Surveyor program to test soft-landing techniques and study the Moon’s surface.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Surveyor 4 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11509348 — 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: Surveyor 4 Context triple: [Surveyor program, missionDesignation, Surveyor 4]
-
A.
Surveyor 2
Surveyor 2 was a NASA unmanned lunar lander launched in 1966 as part of the Surveyor program, intended to test soft-landing techniques on the Moon but lost due to a mid-course correction failure.
-
B.
Surveyor 3
Surveyor 3 was a 1967 NASA robotic lunar lander that successfully touched down on the Moon to test landing techniques and analyze the lunar surface ahead of the Apollo missions.
-
C.
Surveyor 7
Surveyor 7 was a NASA unmanned lunar lander that successfully touched down on the Moon in 1968 to conduct scientific experiments and surface imaging.
-
D.
Surveyor 1
Surveyor 1 was NASA’s first successful unmanned lunar lander, which transmitted detailed images and data from the Moon’s surface in 1966.
-
E.
Luna 17
Luna 17 was a Soviet lunar mission launched in 1970 that successfully delivered the Lunokhod 1 rover to the Moon, achieving the first remote-controlled rover operation on another celestial body.
- 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: Surveyor 4 Target entity description: Surveyor 4 was a NASA unmanned lunar lander launched in 1967 as part of the Surveyor program to test soft-landing techniques and study the Moon’s surface.
-
A.
Surveyor 2
Surveyor 2 was a NASA unmanned lunar lander launched in 1966 as part of the Surveyor program, intended to test soft-landing techniques on the Moon but lost due to a mid-course correction failure.
-
B.
Surveyor 3
Surveyor 3 was a 1967 NASA robotic lunar lander that successfully touched down on the Moon to test landing techniques and analyze the lunar surface ahead of the Apollo missions.
-
C.
Surveyor 7
Surveyor 7 was a NASA unmanned lunar lander that successfully touched down on the Moon in 1968 to conduct scientific experiments and surface imaging.
-
D.
Surveyor 1
Surveyor 1 was NASA’s first successful unmanned lunar lander, which transmitted detailed images and data from the Moon’s surface in 1966.
-
E.
Luna 17
Luna 17 was a Soviet lunar mission launched in 1970 that successfully delivered the Lunokhod 1 rover to the Moon, achieving the first remote-controlled rover operation on another celestial body.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
NASA spacecraft
ⓘ
Surveyor program spacecraft ⓘ spacecraft ⓘ unmanned lunar lander ⓘ |
| communicationStatus | lost during descent ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedFor | soft landing on the Moon ⓘ |
| destination | Moon ⓘ |
| failurePhase | descent to lunar surface ⓘ |
| followedBy | Surveyor 5 ⓘ |
| intendedLandingRegion | Mare Cognitum ⓘ |
| launchDate | 1967-07-14 ⓘ |
| launchMass | approximately 1000 kilograms ⓘ |
| launchSite |
Cape Kennedy
ⓘ
linked to:
Cape Canaveral
Cape Kennedy Air Force Station Launch Complex 36A ⓘ
linked to:
Cape Canaveral Launch Complex 36
|
| launchVehicle | Atlas-Centaur ⓘ |
| launchYear | 1967 ⓘ |
| lostContact | 1967-07-17 ⓘ |
| missionType |
lunar lander
ⓘ
unmanned lunar exploration ⓘ |
| objective |
study the Moon’s surface
ⓘ
test soft-landing techniques on the Moon ⓘ |
| operator | NASA ⓘ |
| powerSource |
batteries
ⓘ
solar panels ⓘ |
| precededBy | Surveyor 3 ⓘ |
| program | Surveyor program ⓘ |
| propulsionType | vernier rocket engines ⓘ |
| scientificInstruments |
alpha-scattering instrument
ⓘ
surface sampler ⓘ television camera ⓘ |
| spaceAgency |
National Aeronautics and Space Administration
ⓘ
linked to:
NASA
|
| spacecraftBus |
Surveyor lander bus
ⓘ
linked to:
Surveyor bus
|
| spacecraftMass | approximately 300 kilograms on lunar surface (design) ⓘ |
| status | mission failure ⓘ |
| targetBody | Moon ⓘ |
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: Surveyor 4 Description of subject: Surveyor 4 was a NASA unmanned lunar lander launched in 1967 as part of the Surveyor program to test soft-landing techniques and study the Moon’s surface.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.