Surveyor 1
E272869
Surveyor 1 was NASA’s first successful unmanned lunar lander, which transmitted detailed images and data from the Moon’s surface in 1966.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Surveyor 1 canonical | 6 |
| Surveyor spacecraft | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2494607 — 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 1 Context triple: [Atlas, notablePayload, Surveyor 1]
-
A.
Luna 9
Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
-
B.
Viking 1
Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
-
C.
Mariner 4
Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
-
D.
Mariner 10
Mariner 10 was a NASA space probe launched in 1973 that became the first spacecraft to visit Mercury and the first to use a gravity-assist maneuver to reach another planet.
-
E.
Luna 2
Luna 2 was a Soviet space probe that became the first human-made object to reach the Moon, marking a major milestone in early space exploration.
- 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 1 Target entity description: Surveyor 1 was NASA’s first successful unmanned lunar lander, which transmitted detailed images and data from the Moon’s surface in 1966.
-
A.
Luna 9
Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
-
B.
Viking 1
Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
-
C.
Mariner 4
Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
-
D.
Mariner 10
Mariner 10 was a NASA space probe launched in 1973 that became the first spacecraft to visit Mercury and the first to use a gravity-assist maneuver to reach another planet.
-
E.
Luna 2
Luna 2 was a Soviet space probe that became the first human-made object to reach the Moon, marking a major milestone in early space exploration.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
NASA spacecraft
ⓘ
spacecraft ⓘ unmanned lunar lander ⓘ |
| attitudeControl | three-axis stabilized ⓘ |
| communicationEnded | 1967-01-07 ⓘ |
| communicationSystem | S-band radio system ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designedBy | Jet Propulsion Laboratory ⓘ |
| firstImageTransmissionDate | 1966-06-02 ⓘ |
| landingBody | Moon ⓘ |
| landingDate | 1966-06-02 ⓘ |
| landingRegion |
Mare Cognitum region
ⓘ
linked to:
Mare Cognitum region, Oceanus Procellarum
|
| landingSite | Oceanus Procellarum ⓘ |
| landingTechnique | soft landing using retrorocket and vernier engines ⓘ |
| landingVelocity | approximately 3 meters per second ⓘ |
| lastContactDate | 1967-01-07 ⓘ |
| launchDate | 1966-05-30 ⓘ |
| launchSite |
Cape Kennedy Air Force Station Launch Complex 36A
ⓘ
linked to:
Cape Canaveral Launch Complex 36
|
| launchVehicle |
Atlas LV-3C Centaur-D
ⓘ
linked to:
Atlas LV-3C Centaur
|
| manufacturer | Hughes Aircraft Company ⓘ |
| massAtLaunch | 995 kilograms ⓘ |
| massOnLanding | about 294 kilograms ⓘ |
| missionObjective |
to achieve a soft landing on the Moon
ⓘ
to obtain data on lunar surface mechanical properties ⓘ to return close-up television images of the lunar surface ⓘ to support Apollo crewed landing site selection ⓘ |
| missionType |
lunar lander
ⓘ
uncrewed lunar exploration mission ⓘ |
| notableFor |
first successful Surveyor program landing
ⓘ
first successful U.S. soft landing on the Moon ⓘ |
| numberOfImagesReturned | over 11000 ⓘ |
| operator | NASA ⓘ |
| orbit | suborbital descent to lunar surface ⓘ |
| powerSource |
battery
ⓘ
solar panels ⓘ |
| primaryInstrument |
alpha-scattering instrument (planned but not flown on Surveyor 1)
ⓘ
television camera ⓘ |
| program | Surveyor program ⓘ |
| programSequence | first spacecraft of the Surveyor program ⓘ |
| propulsionType | liquid-fueled retrorocket ⓘ |
| relatedProgram | Apollo program ⓘ |
| scientificContribution |
provided data on bearing strength of lunar soil
ⓘ
provided high-resolution images of lunar surface texture ⓘ |
| spaceAgency |
National Aeronautics and Space Administration
ⓘ
linked to:
NASA
|
| spacecraftBus | Surveyor lander bus ⓘ |
| status | mission completed ⓘ |
| success | true ⓘ |
| surfaceOperationsDuration | about 6 weeks of primary operations ⓘ |
| targetBody | Moon ⓘ |
| televisionSystemType | vidicon-based TV camera ⓘ |
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 1 Description of subject: Surveyor 1 was NASA’s first successful unmanned lunar lander, which transmitted detailed images and data from the Moon’s surface in 1966.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Surveyor 1