Luna 1
E26549
Luna 1 was a Soviet spacecraft launched in 1959 that became the first human-made object to reach the vicinity of the Moon and enter a heliocentric orbit.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Luna 1 canonical | 12 |
| Luna E-1 No.1 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T206463 — 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: Luna 1 Context triple: [Moon, firstSuccessfulFlybyBy, Luna 1]
-
A.
Vanguard 1 satellite
Vanguard 1 satellite is an early American artificial Earth satellite launched in 1958 that became the fourth human-made object in space and the oldest still in orbit, used primarily for geophysical and atmospheric research.
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B.
Pioneer 10
Pioneer 10 is a NASA space probe launched in 1972 that became the first spacecraft to travel through the asteroid belt and make a direct observation of Jupiter before heading into interstellar space.
-
C.
Apollo 11
Apollo 11 was the historic 1969 spaceflight that first landed humans on the Moon and safely returned them to Earth.
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D.
Pioneer 11
Pioneer 11 is a NASA space probe launched in 1973 that conducted pioneering flybys of Jupiter and Saturn, helping to open the outer solar system to exploration.
-
E.
Gemini program
The Gemini program was NASA’s second human spaceflight project in the 1960s, designed to develop critical space travel techniques such as orbital rendezvous, docking, and long-duration missions that paved the way for the Apollo Moon landings.
- 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: Luna 1 Target entity description: Luna 1 was a Soviet spacecraft launched in 1959 that became the first human-made object to reach the vicinity of the Moon and enter a heliocentric orbit.
-
A.
Vanguard 1 satellite
Vanguard 1 satellite is an early American artificial Earth satellite launched in 1958 that became the fourth human-made object in space and the oldest still in orbit, used primarily for geophysical and atmospheric research.
-
B.
Pioneer 10
Pioneer 10 is a NASA space probe launched in 1972 that became the first spacecraft to travel through the asteroid belt and make a direct observation of Jupiter before heading into interstellar space.
-
C.
Apollo 11
Apollo 11 was the historic 1969 spaceflight that first landed humans on the Moon and safely returned them to Earth.
-
D.
Pioneer 11
Pioneer 11 is a NASA space probe launched in 1973 that conducted pioneering flybys of Jupiter and Saturn, helping to open the outer solar system to exploration.
-
E.
Gemini program
The Gemini program was NASA’s second human spaceflight project in the 1960s, designed to develop critical space travel techniques such as orbital rendezvous, docking, and long-duration missions that paved the way for the Apollo Moon landings.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Luna programme spacecraft
ⓘ
Soviet spacecraft ⓘ space probe ⓘ uncrewed spacecraft ⓘ |
| achievement |
first human-made object to enter heliocentric orbit
ⓘ
first human-made object to reach vicinity of the Moon ⓘ first spacecraft to escape Earth’s gravity in orbit around the Sun ⓘ |
| alsoKnownAs |
Dream
ⓘ
Mechta ⓘ |
| carriedInstrument |
Geiger counter
ⓘ
gas-discharge counters ⓘ magnetometer ⓘ micrometeorite detector ⓘ scintillation counter ⓘ |
| carriedPayload | sodium gas container ⓘ |
| closestApproachToMoon | about 6000 km ⓘ |
| communicationBand | radio ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| currentLocation | heliocentric orbit around the Sun ⓘ |
| destination | Moon vicinity ⓘ |
| finalOrbit | heliocentric orbit ⓘ |
| hasAntenna | radio antennas ⓘ |
| launchDate | 1959-01-02 ⓘ |
| launchMass | approximately 361 kg ⓘ |
| launchSite |
Baikonur Cosmodrome
ⓘ
Baikonur Cosmodrome Site 1/5 ⓘ
linked to:
Baikonur Cosmodrome
|
| launchVehicle |
Vostok-L rocket
ⓘ
linked to:
Vostok-K rocket
|
| launchYear | 1959 ⓘ |
| missionObjective | impact the Moon ⓘ |
| missionOutcome |
missed the Moon
ⓘ
partial failure ⓘ |
| missionType |
heliocentric probe
ⓘ
lunar flyby ⓘ |
| operator |
Soviet Union
ⓘ
Soviet space program ⓘ |
| orbitType | heliocentric ⓘ |
| partOf | Luna programme ⓘ |
| periapsisTarget | Moon ⓘ |
| powerSource | batteries ⓘ |
| programSequence | first spacecraft of the Luna series ⓘ |
| scientificObjective |
measure cosmic rays
ⓘ
measure solar wind ⓘ study interplanetary space ⓘ |
| scientificResult |
found no detectable lunar magnetic field at large distance
ⓘ
provided early measurements of solar wind ⓘ |
| spacecraftBus | spherical probe ⓘ |
| spacecraftShape | sphere ⓘ |
| status | inactive ⓘ |
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: Luna 1 Description of subject: Luna 1 was a Soviet spacecraft launched in 1959 that became the first human-made object to reach the vicinity of the Moon and enter a heliocentric orbit.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.