E-2A
E534987
E-2A was the Soviet spacecraft bus platform used for early Luna missions such as Luna 3, which photographed the Moon’s far side.
All labels observed (1)
| Label | Occurrences |
|---|---|
| E-2A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5623398 — 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: E-2A Context triple: [Luna 3, spacecraftBus, E-2A]
-
A.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
B.
E-3
E-3 is a U.S. Air Force airborne warning and control system (AWACS) aircraft based on the Boeing 707 airframe, used for long-range surveillance, command, and control.
-
C.
E21
E21 is the internal designation for the first generation of the BMW 3 Series compact executive car, produced in the 1970s and early 1980s.
-
D.
E20
E20 is a major trans-European route running west–east across several countries from Ireland through the United Kingdom and northern Europe to Russia.
-
E.
E 200
The E 200 is a Mercedes-Benz E-Class executive sedan variant known for its balance of comfort, technology, and efficient performance.
- 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: E-2A Target entity description: E-2A was the Soviet spacecraft bus platform used for early Luna missions such as Luna 3, which photographed the Moon’s far side.
-
A.
E-27
E-27 is the station code assigned to one of the platforms or lines serving Tokyo’s major transit hub, Shinjuku Station.
-
B.
E-3
E-3 is a U.S. Air Force airborne warning and control system (AWACS) aircraft based on the Boeing 707 airframe, used for long-range surveillance, command, and control.
-
C.
E21
E21 is the internal designation for the first generation of the BMW 3 Series compact executive car, produced in the 1970s and early 1980s.
-
D.
E20
E20 is a major trans-European route running west–east across several countries from Ireland through the United Kingdom and northern Europe to Russia.
-
E.
E 200
The E 200 is a Mercedes-Benz E-Class executive sedan variant known for its balance of comfort, technology, and efficient performance.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf | spacecraft bus ⓘ |
| communicationRole | relay of lunar images to Earth ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designedForEnvironment |
cislunar space
ⓘ
deep space vacuum ⓘ |
| developedBy | OKB-1 ⓘ |
| era | early Space Age ⓘ |
| heritage | early Soviet deep-space probe designs ⓘ |
| missionProfile |
lunar flyby
ⓘ
lunar imaging ⓘ |
| notableFor | supporting first photographs of Moon far side ⓘ |
| notableMissionOutcome | enabled first far-side lunar photography via Luna 3 ⓘ |
| operator | Soviet space program ⓘ |
| partOf | early Luna spacecraft series ⓘ |
| powerSource | chemical batteries ⓘ |
| program | Luna programme ⓘ |
| propulsionType | chemical propulsion (attitude and trajectory control) ⓘ |
| relatedTo |
Luna 1
ⓘ
Luna 2 ⓘ Luna 3 ⓘ |
| scientificDiscipline |
lunar science
ⓘ
planetary science ⓘ |
| spaceAgency |
Soviet space agency (pre-Roscosmos)
ⓘ
linked to:
Soviet space program
|
| spacecraftBusFor |
Luna 3 spacecraft
ⓘ
linked to:
Luna 3
|
| spacecraftType | lunar probe bus ⓘ |
| status | retired design ⓘ |
| technologyRole |
platform for imaging equipment
ⓘ
platform for scientific instruments ⓘ |
| usedBy | Soviet Academy of Sciences ⓘ |
| usedFor |
lunar flyby missions
ⓘ
lunar missions ⓘ uncrewed space exploration ⓘ |
| usedInDecade |
1950s
ⓘ
1960s ⓘ |
| usedInMission | Luna 3 ⓘ |
| usedWithLaunchVehicleFamily |
Luna launch vehicle family
ⓘ
linked to:
Luna program launch vehicles
Vostok-derived launch vehicles ⓘ |
| usedWithPayload |
Luna 3 imaging system
ⓘ
linked to:
Luna 3
|
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: E-2A Description of subject: E-2A was the Soviet spacecraft bus platform used for early Luna missions such as Luna 3, which photographed the Moon’s far side.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.