Delta 2914
E846914
Delta 2914 was a variant of the Delta expendable launch vehicle family used by NASA to place scientific satellites, including the International Ultraviolet Explorer, into orbit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Delta 2914 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10197886 — 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: Delta 2914 Context triple: [International Ultraviolet Explorer, launchVehicle, Delta 2914]
-
A.
Space Delta 4
Space Delta 4 is a unit of the U.S. Space Force responsible for providing strategic and tactical missile warning and related space-based surveillance capabilities.
-
B.
Delta IV
Delta IV is an expendable heavy-lift launch vehicle family developed by Boeing and operated by United Launch Alliance for launching military, government, and commercial payloads into orbit.
-
C.
Space Delta 2
Space Delta 2 is a unit of the United States Space Force responsible for space domain awareness and tracking objects in Earth’s orbit.
-
D.
Delta III
Delta III was an American expendable launch vehicle developed in the late 1990s as an upgraded, higher-capacity member of the Delta rocket family, intended primarily for launching communications satellites to geostationary orbit.
-
E.
Space Delta 3
Space Delta 3 is a unit of the United States Space Force responsible for space electromagnetic warfare operations and capabilities.
- 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: Delta 2914 Target entity description: Delta 2914 was a variant of the Delta expendable launch vehicle family used by NASA to place scientific satellites, including the International Ultraviolet Explorer, into orbit.
-
A.
Space Delta 4
Space Delta 4 is a unit of the U.S. Space Force responsible for providing strategic and tactical missile warning and related space-based surveillance capabilities.
-
B.
Delta IV
Delta IV is an expendable heavy-lift launch vehicle family developed by Boeing and operated by United Launch Alliance for launching military, government, and commercial payloads into orbit.
-
C.
Space Delta 2
Space Delta 2 is a unit of the United States Space Force responsible for space domain awareness and tracking objects in Earth’s orbit.
-
D.
Delta III
Delta III was an American expendable launch vehicle developed in the late 1990s as an upgraded, higher-capacity member of the Delta rocket family, intended primarily for launching communications satellites to geostationary orbit.
-
E.
Space Delta 3
Space Delta 3 is a unit of the United States Space Force responsible for space electromagnetic warfare operations and capabilities.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Delta rocket variant
ⓘ
expendable launch system ⓘ |
| agencyUser | NASA Goddard Space Flight Center NERFINISHED ⓘ |
| coreStage | Thor-Delta first stage NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designLineage | Thor IRBM-derived launcher NERFINISHED ⓘ |
| era |
1970s
ⓘ
1980s ⓘ |
| family | Thor-Delta NERFINISHED ⓘ |
| launchCapability |
geosynchronous transfer orbit
ⓘ
low Earth orbit ⓘ |
| launchComplex | Launch Complex 17 NERFINISHED ⓘ |
| launchConfiguration | 2000-series Delta ⓘ |
| launchMethod | expendable ⓘ |
| launchSite | Cape Canaveral Air Force Station NERFINISHED ⓘ |
| launchVehicleRole | medium-lift launch vehicle ⓘ |
| manufacturer | McDonnell Douglas NERFINISHED ⓘ |
| notablePayload | International Ultraviolet Explorer NERFINISHED ⓘ |
| numberOfStages | 3 ⓘ |
| operatedBy | NASA ⓘ |
| partOf | Delta rocket family NERFINISHED ⓘ |
| propellantTypeFirstStage | RP-1/LOX ⓘ |
| propellantTypeSecondStage | Aerozine 50/N2O4 ⓘ |
| propellantTypeThirdStage | solid propellant ⓘ |
| status | retired ⓘ |
| strapOnBoosters | 9 Castor-2 solid rocket boosters ⓘ |
| successor | Delta 3000 series NERFINISHED ⓘ |
| thirdStage | Star-37D NERFINISHED ⓘ |
| upperStage | Delta second stage ⓘ |
| usedFor |
launching Earth-orbiting spacecraft
ⓘ
launching astronomical observatories ⓘ launching scientific satellites ⓘ |
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: Delta 2914 Description of subject: Delta 2914 was a variant of the Delta expendable launch vehicle family used by NASA to place scientific satellites, including the International Ultraviolet Explorer, into orbit.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.