N1 lunar rocket program
E1032571
The N1 lunar rocket program was the Soviet Union’s ambitious but ultimately unsuccessful effort to develop a super-heavy launch vehicle capable of sending cosmonauts to the Moon during the space race.
All labels observed (1)
| Label | Occurrences |
|---|---|
| N1 lunar rocket program canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13295147 — 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: N1 lunar rocket program Context triple: [Vasily Mishin, notableWork, N1 lunar rocket program]
-
A.
Blue Moon lunar lander program
The Blue Moon lunar lander program is Blue Origin’s initiative to develop reusable robotic and crewed landers designed to deliver cargo and astronauts to the Moon’s surface in support of sustained lunar exploration.
-
B.
Luna rocket
The Luna rocket was an early Soviet launch vehicle developed to send unmanned spacecraft to the Moon during the late 1950s and early 1960s.
-
C.
Ranger lunar probe program
The Ranger lunar probe program was a series of early U.S. robotic missions in the 1960s designed to obtain close-up images of the Moon’s surface by deliberately impacting the lunar terrain.
-
D.
Lunokhod programme
The Lunokhod programme was a Soviet series of robotic lunar rover missions in the early 1970s that achieved the first successful remote-controlled exploration of the Moon’s surface.
-
E.
Orion program
The Orion program is NASA’s crewed spacecraft initiative designed to carry astronauts beyond low Earth orbit to destinations such as the Moon and eventually Mars.
- 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: N1 lunar rocket program Target entity description: The N1 lunar rocket program was the Soviet Union’s ambitious but ultimately unsuccessful effort to develop a super-heavy launch vehicle capable of sending cosmonauts to the Moon during the space race.
-
A.
Blue Moon lunar lander program
The Blue Moon lunar lander program is Blue Origin’s initiative to develop reusable robotic and crewed landers designed to deliver cargo and astronauts to the Moon’s surface in support of sustained lunar exploration.
-
B.
Luna rocket
The Luna rocket was an early Soviet launch vehicle developed to send unmanned spacecraft to the Moon during the late 1950s and early 1960s.
-
C.
Ranger lunar probe program
The Ranger lunar probe program was a series of early U.S. robotic missions in the 1960s designed to obtain close-up images of the Moon’s surface by deliberately impacting the lunar terrain.
-
D.
Lunokhod programme
The Lunokhod programme was a Soviet series of robotic lunar rover missions in the early 1970s that achieved the first successful remote-controlled exploration of the Moon’s surface.
-
E.
Orion program
The Orion program is NASA’s crewed spacecraft initiative designed to carry astronauts beyond low Earth orbit to destinations such as the Moon and eventually Mars.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet space program
ⓘ
lunar exploration program ⓘ super-heavy launch vehicle development program ⓘ |
| aimedAt | sending cosmonauts to the Moon ⓘ |
| cancellationYear | 1974 ⓘ |
| chiefDesigner | Sergei Korolev NERFINISHED ⓘ |
| country | Soviet Union ⓘ |
| crewedFlights | 0 ⓘ |
| developedBy | OKB-1 NERFINISHED ⓘ |
| firstLaunchDate | 21 February 1969 ⓘ |
| firstStageDesignation | Block A NERFINISHED ⓘ |
| firstStageEngineCount | 30 ⓘ |
| firstStageEngineType | NK-15 NERFINISHED ⓘ |
| fourthLaunchDate | 23 November 1972 ⓘ |
| intendedCompetitor |
Saturn V launch vehicle
NERFINISHED
ⓘ
United States Apollo program NERFINISHED ⓘ |
| intendedCrewSize | 2 cosmonauts ⓘ |
| intendedLunarLandingCrew | 1 cosmonaut on the surface ⓘ |
| intendedLunarOrbitCrew | 1 cosmonaut in lunar orbit ⓘ |
| intendedMissionProfile | lunar orbit rendezvous ⓘ |
| intendedPayload | L3 lunar complex NERFINISHED ⓘ |
| laterFirstStageEngineType | NK-33 NERFINISHED ⓘ |
| launchOutcome | all four launches failed ⓘ |
| launchPad | Site 110 at Baikonur NERFINISHED ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| numberOfTestFlights | 4 ⓘ |
| partOf |
Soviet crewed lunar program
NERFINISHED
ⓘ
space race ⓘ |
| publicDisclosure | major details revealed after collapse of Soviet Union ⓘ |
| reasonForCancellation |
high cost and technical risk
ⓘ
loss of political priority after Apollo successes ⓘ repeated launch failures ⓘ |
| reasonForFailure |
complex engine plumbing and control issues
ⓘ
first-stage engine reliability problems ⓘ lack of full-scale static test stand for first stage ⓘ |
| rocketConfiguration | three-stage design for lunar missions ⓘ |
| rocketName | N1 NERFINISHED ⓘ |
| rocketType | expendable launch vehicle ⓘ |
| secondLaunchDate | 3 July 1969 ⓘ |
| secondStageDesignation | Block B NERFINISHED ⓘ |
| secrecy | program details kept highly classified during Soviet era ⓘ |
| status | cancelled ⓘ |
| successorChiefDesigner | Vasily Mishin NERFINISHED ⓘ |
| technologyLegacy |
NK-33 engines later used in other launch vehicles
ⓘ
experience with clustered-engine first stages ⓘ |
| testFlightDesignation |
N1-3L
NERFINISHED
ⓘ
N1-5L NERFINISHED ⓘ N1-6L NERFINISHED ⓘ N1-7L NERFINISHED ⓘ |
| thirdLaunchDate | 27 June 1971 ⓘ |
| thirdStageDesignation | Block V NERFINISHED ⓘ |
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: N1 lunar rocket program Description of subject: The N1 lunar rocket program was the Soviet Union’s ambitious but ultimately unsuccessful effort to develop a super-heavy launch vehicle capable of sending cosmonauts to the Moon during the space race.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.