SLS core stage
E1029928
The SLS core stage is the central liquid-fueled booster of NASA’s Space Launch System, housing its main engines and propellant tanks to provide the primary thrust during the initial phase of launch.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Space Launch System core stage | 2 |
| SLS core stage canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12738586 — 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: SLS core stage Context triple: [Space Launch System Block 1B, usesFirstStage, SLS core stage]
-
A.
Starship upper stage
The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
-
B.
SLS solid rocket boosters
The SLS solid rocket boosters are powerful, expendable strap-on boosters used on NASA’s Space Launch System to provide the majority of thrust during the initial phase of launch for Artemis missions to the Moon.
-
C.
Centaur upper stage
The Centaur upper stage is a high-energy rocket stage developed by the United States that pioneered the use of liquid hydrogen and liquid oxygen propellants to boost payloads from low Earth orbit to higher orbits and interplanetary trajectories.
-
D.
Super Heavy booster
The Super Heavy booster is SpaceX’s massive first-stage rocket designed to provide the primary lift for the fully reusable Starship launch system.
-
E.
Falcon 9 rocket
The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster 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: SLS core stage Target entity description: The SLS core stage is the central liquid-fueled booster of NASA’s Space Launch System, housing its main engines and propellant tanks to provide the primary thrust during the initial phase of launch.
-
A.
Starship upper stage
The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
-
B.
SLS solid rocket boosters
The SLS solid rocket boosters are powerful, expendable strap-on boosters used on NASA’s Space Launch System to provide the majority of thrust during the initial phase of launch for Artemis missions to the Moon.
-
C.
Centaur upper stage
The Centaur upper stage is a high-energy rocket stage developed by the United States that pioneered the use of liquid hydrogen and liquid oxygen propellants to boost payloads from low Earth orbit to higher orbits and interplanetary trajectories.
-
D.
Super Heavy booster
The Super Heavy booster is SpaceX’s massive first-stage rocket designed to provide the primary lift for the fully reusable Starship launch system.
-
E.
Falcon 9 rocket
The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster landings.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
launch vehicle core stage
ⓘ
rocket stage ⓘ |
| associatedUpperStage |
Exploration Upper Stage
ⓘ
Interim Cryogenic Propulsion Stage ⓘ |
| contains |
avionics systems
ⓘ
liquid hydrogen tank ⓘ liquid oxygen tank ⓘ main propulsion system ⓘ thrust vector control system ⓘ |
| countryOfOperator |
United States
ⓘ
linked to:
United States of America
|
| designedForReusability | no ⓘ |
| designHeritage |
Space Shuttle External Tank
ⓘ
linked to:
External Tank
|
| developmentAgency |
NASA Marshall Space Flight Center
ⓘ
linked to:
Marshall Space Flight Center
|
| diameter | about 8.4 meters ⓘ |
| disposal | falls back into ocean after separation ⓘ |
| engineArrangement | cluster of four RS-25 engines ⓘ |
| engineHeritage |
Space Shuttle Main Engine
ⓘ
linked to:
Space Shuttle Main Engines
|
| firstFlightDate | 16 November 2022 ⓘ |
| firstFlightMission | Artemis I ⓘ |
| firstFlightVehicle | SLS Block 1 ⓘ |
| fuel | liquid hydrogen ⓘ |
| guidanceControl | onboard avionics and flight computers ⓘ |
| height | about 65 meters ⓘ |
| launchPadInterface | mobile launcher umbilicals ⓘ |
| launchVehicleFamily | Space Launch System ⓘ |
| manufacturer | Boeing ⓘ |
| manufacturingSite | Michoud Assembly Facility ⓘ |
| manufacturingSiteLocation |
New Orleans, Louisiana
ⓘ
linked to:
New Orleans, Louisiana, United States
|
| material | aluminum-lithium alloy ⓘ |
| missionPhase | ascent phase ⓘ |
| numberOfEngines | 4 ⓘ |
| operator | NASA ⓘ |
| oxidizer | liquid oxygen ⓘ |
| partOf | Space Launch System ⓘ |
| primaryFunction | provide primary thrust during initial phase of launch ⓘ |
| program | Artemis program ⓘ |
| propellantType | cryogenic ⓘ |
| propulsionType | liquid-fueled ⓘ |
| providesThrustWith | solid rocket boosters ⓘ |
| separationEvent | separates from upper stage after main engine cutoff ⓘ |
| stageRole | first stage ⓘ |
| status | operational ⓘ |
| testProgram | Green Run test campaign ⓘ |
| testSite | Stennis Space Center ⓘ |
| thrustVectorControl | gimbaled RS-25 engines ⓘ |
| usedForMissionType |
deep space missions
ⓘ
lunar missions ⓘ |
| usesEngine |
RS-25
ⓘ
linked to:
RS-25D
|
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: SLS core stage Description of subject: The SLS core stage is the central liquid-fueled booster of NASA’s Space Launch System, housing its main engines and propellant tanks to provide the primary thrust during the initial phase of launch.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.