K-1 launch vehicle
E939576
commercial launch vehicle
orbital launch vehicle
proposed spacecraft
reusable launch vehicle
two-stage-to-orbit vehicle
The K-1 launch vehicle was a proposed fully reusable, two-stage commercial rocket designed by Rocketplane Kistler for low-cost access to low Earth orbit.
All labels observed (2)
| Label | Occurrences |
|---|---|
| K-1 launch vehicle canonical | 1 |
| K-1 reusable launch system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11692644 — 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: K-1 launch vehicle Context triple: [Rocketplane Kistler, product, K-1 launch vehicle]
-
A.
Taurus rocket
The Taurus rocket is a small, solid-fueled American launch vehicle designed primarily to place satellites into low Earth orbit.
-
B.
KSLV-I
KSLV-I is South Korea’s first domestically developed space launch vehicle, used to place satellites into low Earth orbit and mark the country’s entry into orbital launch capability.
-
C.
R-1 rocket
The R-1 rocket was an early Soviet ballistic missile and research rocket developed after World War II as a near-copy of Germany’s V-2, serving as a foundation for later Soviet rocketry.
-
D.
Epsilon launch vehicle
The Epsilon launch vehicle is a Japanese solid-fuel rocket designed for cost-effective, small satellite launches into orbit.
-
E.
H3 launch vehicle
The H3 launch vehicle is Japan’s next-generation, expendable rocket designed to provide more flexible, cost-effective access to space for a wide range of satellite and mission payloads.
- 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: K-1 launch vehicle Target entity description: The K-1 launch vehicle was a proposed fully reusable, two-stage commercial rocket designed by Rocketplane Kistler for low-cost access to low Earth orbit.
-
A.
Taurus rocket
The Taurus rocket is a small, solid-fueled American launch vehicle designed primarily to place satellites into low Earth orbit.
-
B.
KSLV-I
KSLV-I is South Korea’s first domestically developed space launch vehicle, used to place satellites into low Earth orbit and mark the country’s entry into orbital launch capability.
-
C.
R-1 rocket
The R-1 rocket was an early Soviet ballistic missile and research rocket developed after World War II as a near-copy of Germany’s V-2, serving as a foundation for later Soviet rocketry.
-
D.
Epsilon launch vehicle
The Epsilon launch vehicle is a Japanese solid-fuel rocket designed for cost-effective, small satellite launches into orbit.
-
E.
H3 launch vehicle
The H3 launch vehicle is Japan’s next-generation, expendable rocket designed to provide more flexible, cost-effective access to space for a wide range of satellite and mission payloads.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
commercial launch vehicle
ⓘ
orbital launch vehicle ⓘ proposed spacecraft ⓘ reusable launch vehicle ⓘ two-stage-to-orbit vehicle ⓘ |
| commercialCompetition | other LEO launch providers ⓘ |
| commercialModel | pay-per-launch service ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designer | Rocketplane Kistler ⓘ |
| designFeature |
reusable first stage
ⓘ
reusable second stage ⓘ vertical landing (planned) ⓘ vertical takeoff ⓘ |
| developmentStatus | development halted ⓘ |
| era |
early 2000s
ⓘ
late 1990s ⓘ |
| firstStageType | reusable booster stage ⓘ |
| fundingModel | commercial venture ⓘ |
| goal |
demonstrate full reusability
ⓘ
reduce launch costs ⓘ |
| intendedOrbit | low Earth orbit ⓘ |
| intendedPayloadClass | medium-lift (planned) ⓘ |
| intendedUse | low-cost access to low Earth orbit ⓘ |
| launchSitePlanned |
Australia
ⓘ
Woomera Test Range ⓘ |
| manufacturer | Rocketplane Kistler ⓘ |
| missionType |
cargo launch
ⓘ
satellite launch ⓘ space station resupply (planned) ⓘ |
| numberOfStages | 2 ⓘ |
| operator | Rocketplane Kistler ⓘ |
| program |
Rocketplane Kistler K-1 program
ⓘ
linked to:
Rocketplane Kistler
|
| propulsionType | liquid-fueled rocket ⓘ |
| reasonForCancellation |
business difficulties at Rocketplane Kistler
ⓘ
insufficient funding ⓘ |
| recoveryMethod |
parachute-assisted descent (planned)
ⓘ
powered landing (planned) ⓘ |
| relatedCompany |
Rocketplane Limited
ⓘ
linked to:
Rocketplane Kistler
|
| reusability | fully reusable ⓘ |
| secondStageType | reusable orbital stage ⓘ |
| stageConfiguration | two-stage ⓘ |
| status |
cancelled
ⓘ
never flown ⓘ |
| targetMarket |
commercial satellite operators
ⓘ
government space agencies ⓘ |
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: K-1 launch vehicle Description of subject: The K-1 launch vehicle was a proposed fully reusable, two-stage commercial rocket designed by Rocketplane Kistler for low-cost access to low Earth orbit.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: K-1 launch vehicle