Sputnik 3
E409858
Sputnik 3 was a Soviet scientific research satellite launched in 1958 to conduct extensive geophysical studies of Earth’s upper atmosphere and near-space environment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sputnik 3 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4012853 — 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: Sputnik 3 Context triple: [Sputnik 2, followedBy, Sputnik 3]
-
A.
Sputnik 1
Sputnik 1 was the first artificial Earth satellite, launched by the Soviet Union in 1957 and marking the beginning of the space age.
-
B.
Sputnik 2
Sputnik 2 was a Soviet spacecraft launched in 1957 that became famous for carrying Laika, the first living creature to orbit the Earth.
-
C.
Vostok 4
Vostok 4 was a 1962 Soviet crewed spaceflight that, together with Vostok 3, conducted the first simultaneous multi-spacecraft mission in orbit.
-
D.
Vostok 1
Vostok 1 was the Soviet spacecraft that carried Yuri Gagarin on the first human spaceflight, marking humanity’s inaugural journey into outer space in 1961.
-
E.
Salyut 1
Salyut 1 was the world’s first space station, launched by the Soviet Union in 1971 as a pioneering long-duration orbital laboratory.
- 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: Sputnik 3 Target entity description: Sputnik 3 was a Soviet scientific research satellite launched in 1958 to conduct extensive geophysical studies of Earth’s upper atmosphere and near-space environment.
-
A.
Sputnik 1
Sputnik 1 was the first artificial Earth satellite, launched by the Soviet Union in 1957 and marking the beginning of the space age.
-
B.
Sputnik 2
Sputnik 2 was a Soviet spacecraft launched in 1957 that became famous for carrying Laika, the first living creature to orbit the Earth.
-
C.
Vostok 4
Vostok 4 was a 1962 Soviet crewed spaceflight that, together with Vostok 3, conducted the first simultaneous multi-spacecraft mission in orbit.
-
D.
Vostok 1
Vostok 1 was the Soviet spacecraft that carried Yuri Gagarin on the first human spaceflight, marking humanity’s inaugural journey into outer space in 1961.
-
E.
Salyut 1
Salyut 1 was the world’s first space station, launched by the Soviet Union in 1971 as a pioneering long-duration orbital laboratory.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet spacecraft
ⓘ
artificial satellite ⓘ scientific research satellite ⓘ |
| apogee | ~1881 km ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| diameter | 1.73 m ⓘ |
| followedBy | Sputnik 4 ⓘ |
| hasInstrument |
cosmic ray detectors
ⓘ
gas analyzers ⓘ ion trap ⓘ magnetometer ⓘ micrometeorite detectors ⓘ photometers ⓘ pressure gauges ⓘ radio transmitters ⓘ tape recorder ⓘ |
| inclination | 65.2 degrees ⓘ |
| languageOfInscription | Russian ⓘ |
| launchComplex |
Baikonur Site 1/5
ⓘ
linked to:
Baikonur Cosmodrome
|
| launchDate | 1958-05-15 ⓘ |
| launchMass | 1327 kg ⓘ |
| launchRocketFamily |
R-7
ⓘ
linked to:
R-7 Semyorka rocket
|
| launchSite |
Baikonur Cosmodrome
ⓘ
Tyuratam ⓘ |
| launchVehicle |
Sputnik 8A91
ⓘ
linked to:
Molniya 8K78
|
| launchYear | 1958 ⓘ |
| length | 3.57 m ⓘ |
| mass | 1327 kg ⓘ |
| missionObjective |
measure cosmic rays
ⓘ
measure solar radiation ⓘ study Earth’s magnetic field ⓘ study Earth’s upper atmosphere ⓘ study ionosphere ⓘ study micrometeorites ⓘ study near-Earth space environment ⓘ test onboard recording and telemetry systems ⓘ |
| missionType |
Earth science
ⓘ
geophysical research ⓘ |
| notableFor |
carrying a large suite of scientific instruments
ⓘ
early comprehensive geophysical research from orbit ⓘ |
| operator | Soviet Union ⓘ |
| orbitalPeriod | ~106 minutes ⓘ |
| orbitType | low Earth orbit ⓘ |
| perigee | ~228 km ⓘ |
| powerSource | chemical batteries ⓘ |
| precededBy | Sputnik 2 ⓘ |
| programSequence | third satellite in the Sputnik series ⓘ |
| shape | conical ⓘ |
| spaceProgram | Soviet space program ⓘ |
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: Sputnik 3 Description of subject: Sputnik 3 was a Soviet scientific research satellite launched in 1958 to conduct extensive geophysical studies of Earth’s upper atmosphere and near-space environment.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.