STP-2
E42996
STP-2 was a U.S. Department of Defense Space Test Program mission that used a SpaceX Falcon Heavy rocket to deploy multiple experimental and technology demonstration payloads into orbit.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T334123 — 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: STP-2 Context triple: [Falcon Heavy, notableMission, STP-2]
-
A.
STBP
STBP is the acronym for the Stop TB Partnership, a global coalition dedicated to ending tuberculosis as a public health problem.
-
B.
STLAM
STLAM is the stock ticker symbol for Stellantis, a multinational automotive manufacturer formed from the merger of Fiat Chrysler Automobiles and PSA Group.
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C.
PTP
PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
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D.
ST
ST is the commonly used abbreviation for SkyTeam, a major global airline alliance.
-
E.
SPS
SPS is a high-energy circular particle accelerator at CERN that serves as a key injector for the Large Hadron Collider and supports a wide range of physics experiments.
- 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: STP-2 Target entity description: STP-2 was a U.S. Department of Defense Space Test Program mission that used a SpaceX Falcon Heavy rocket to deploy multiple experimental and technology demonstration payloads into orbit.
-
A.
STBP
STBP is the acronym for the Stop TB Partnership, a global coalition dedicated to ending tuberculosis as a public health problem.
-
B.
STLAM
STLAM is the stock ticker symbol for Stellantis, a multinational automotive manufacturer formed from the merger of Fiat Chrysler Automobiles and PSA Group.
-
C.
PTP
PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
-
D.
ST
ST is the commonly used abbreviation for SkyTeam, a major global airline alliance.
-
E.
SPS
SPS is a high-energy circular particle accelerator at CERN that serves as a key injector for the Large Hadron Collider and supports a wide range of physics experiments.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Space Test Program mission
ⓘ
U.S. Department of Defense mission ⓘ spaceflight mission ⓘ |
| boosterRecovery |
center core was lost during landing attempt
ⓘ
side boosters landed successfully ⓘ |
| customer |
NASA
ⓘ
U.S. Air Force ⓘ
linked to:
United States Air Force
U.S. Department of Defense ⓘ
linked to:
Department of Defense
|
| durationFromLiftoffToFinalDeployment | about 6 hours ⓘ |
| hasTechnologyDemonstration |
navigation and timing experiments
ⓘ
propulsion and small satellite technologies ⓘ space weather instruments ⓘ |
| isOnRocketFlightNumber |
Falcon Heavy first operational mission for U.S. Air Force
ⓘ
Falcon Heavy third flight ⓘ |
| launchCountry |
United States
ⓘ
linked to:
United States of America
|
| launchDate | 2019-06-25 ⓘ |
| launchDateTimeUTC | 2019-06-25T06:30:00Z ⓘ |
| launchLocation | Florida ⓘ |
| launchMass | about 3700 kilograms ⓘ |
| launchOutcome | success ⓘ |
| launchServiceProvider | SpaceX ⓘ |
| launchSite |
Kennedy Space Center
ⓘ
Kennedy Space Center Launch Complex 39A ⓘ |
| launchVehicle |
Falcon Heavy
ⓘ
linked to:
Falcon Heavy rocket
|
| missionOutcome | success ⓘ |
| missionType |
experimental payload deployment
ⓘ
technology demonstration ⓘ |
| notablePayload |
COSMIC-2 constellation satellites
ⓘ
DSX (Demonstration and Science Experiments) spacecraft ⓘ LightSail 2 ⓘ Orion EM-1 navigation experiment payloads ⓘ |
| operator |
U.S. Air Force Space and Missile Systems Center
ⓘ
linked to:
Space Systems Command
U.S. Department of Defense ⓘ
linked to:
Department of Defense
|
| orbitType |
geosynchronous transfer orbit
ⓘ
low Earth orbit ⓘ medium Earth orbit ⓘ multiple orbits ⓘ |
| partOf | U.S. Department of Defense Space Test Program ⓘ |
| payloadCount | about 24 payloads ⓘ |
| payloadOperator |
NASA
ⓘ
NOAA ⓘ U.S. Department of Defense ⓘ
linked to:
Department of Defense
academic institutions ⓘ |
| primaryGoal | to deploy multiple experimental and technology demonstration payloads into orbit ⓘ |
| reusabilityFeature | used previously flown Falcon Heavy side boosters ⓘ |
| status | completed ⓘ |
| usesRocketStage |
Falcon Heavy core stage
ⓘ
linked to:
Falcon Heavy rocket
Falcon Heavy side boosters ⓘ
linked to:
Falcon Heavy rocket
|
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: STP-2 Description of subject: STP-2 was a U.S. Department of Defense Space Test Program mission that used a SpaceX Falcon Heavy rocket to deploy multiple experimental and technology demonstration payloads into orbit.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Falcon Heavy rocket
linked to: STP-2