Zefiro 23
E396685
Zefiro 23 is a solid-propellant second-stage rocket motor used in the European Vega small-lift launch vehicle.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zefiro 23 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3894385 — 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: Zefiro 23 Context triple: [Vega launch vehicle programme, secondStage, Zefiro 23]
-
A.
Jenefar
Jenefar is an alternative spelling of the given name Jennifer, typically used as a feminine first name.
-
B.
Rococo Zephyr
"Rococo Zephyr" is a song by American singer-songwriter Bill Callahan from his album "Sometimes I Wish We Were an Eagle."
-
C.
Zmaj Fizir FP-2
The Zmaj Fizir FP-2 was a Yugoslav single-engine trainer and reconnaissance biplane developed in the 1930s and operated by the Yugoslav Royal Air Force.
-
D.
Blisk
Blisk is a fictional setting or universe in which the character or concept known as Blink appears or is utilized.
-
E.
Turbostar
Turbostar is a family of modern British diesel multiple-unit trains widely used for regional and commuter services across the UK rail network.
- 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: Zefiro 23 Target entity description: Zefiro 23 is a solid-propellant second-stage rocket motor used in the European Vega small-lift launch vehicle.
-
A.
Jenefar
Jenefar is an alternative spelling of the given name Jennifer, typically used as a feminine first name.
-
B.
Rococo Zephyr
"Rococo Zephyr" is a song by American singer-songwriter Bill Callahan from his album "Sometimes I Wish We Were an Eagle."
-
C.
Zmaj Fizir FP-2
The Zmaj Fizir FP-2 was a Yugoslav single-engine trainer and reconnaissance biplane developed in the 1930s and operated by the Yugoslav Royal Air Force.
-
D.
Blisk
Blisk is a fictional setting or universe in which the character or concept known as Blink appears or is utilized.
-
E.
Turbostar
Turbostar is a family of modern British diesel multiple-unit trains widely used for regional and commuter services across the UK rail network.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
rocket stage
ⓘ
second-stage rocket motor ⓘ solid rocket motor ⓘ |
| application | launch of small to medium payloads to low Earth orbit ⓘ |
| burnProfile | single-grain, internal burning ⓘ |
| burnTime | approximately 77 seconds ⓘ |
| countryOfOrigin | Italy ⓘ |
| designer |
Avio
ⓘ
linked to:
Avio S.p.A.
|
| developedFor | European small-lift launch capability ⓘ |
| diameter | approximately 1.9 metres ⓘ |
| family | Zefiro rocket motor family ⓘ |
| fuel | HTPB ⓘ |
| guidance | thrust vector control via movable nozzle ⓘ |
| ignition | pyrotechnic ignition system ⓘ |
| launchSystem | European Vega launch system ⓘ |
| launchVehicleConfiguration | Vega three-stage solid plus liquid upper stage configuration ⓘ |
| launchVehicleFamily | Vega family ⓘ |
| length | approximately 7.5 metres ⓘ |
| locationOfLaunches |
Kourou, French Guiana
ⓘ
linked to:
Kourou
|
| manufacturer |
Avio
ⓘ
linked to:
Avio S.p.A.
|
| missionPhase | mid-ascent propulsion ⓘ |
| nozzleType | flexible-joint nozzle ⓘ |
| operator | Arianespace ⓘ |
| orbitTypeSupported |
Sun-synchronous orbit
ⓘ
low Earth orbit ⓘ |
| oxidizer | ammonium perchlorate ⓘ |
| program |
Vega programme
ⓘ
linked to:
Vega launch vehicle programme
|
| propellantMass |
about 23 metric tons
ⓘ
approximately 23000 kilograms ⓘ |
| propellantType |
HTPB-based composite propellant
ⓘ
solid propellant ⓘ |
| relatedTo |
Zefiro 40
ⓘ
Zefiro 9 ⓘ |
| roleInVega | accelerates vehicle after first-stage P80 ⓘ |
| spaceAgencyUser | European Space Agency ⓘ |
| spaceportUsedWith | Guiana Space Centre ⓘ |
| stageNumber | 2 ⓘ |
| status | in service ⓘ |
| structureMaterial | carbon-fibre reinforced composite ⓘ |
| thrustVacuum | approximately 1 meganewton ⓘ |
| thrustVectorControl | electromechanical actuators ⓘ |
| typicalUse | injection of upper stages to higher altitude trajectory ⓘ |
| usedFor | second stage of Vega ⓘ |
| usedIn |
Vega
ⓘ
Vega small-lift launch vehicle ⓘ
linked to:
Vega launch vehicle programme
|
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: Zefiro 23 Description of subject: Zefiro 23 is a solid-propellant second-stage rocket motor used in the European Vega small-lift launch vehicle.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.