Athena II
E925951
Athena II is a retired American small expendable launch vehicle developed by Lockheed Martin for placing payloads into low Earth orbit and beyond.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Athena II canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11426375 — 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: Athena II Context triple: [Space Launch Complex 3, launchVehicle, Athena II]
-
A.
Athena I
Athena I is a small, expendable American launch vehicle developed in the 1990s for placing lightweight payloads into low Earth orbit.
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B.
Athena
"Athena" is a 1954 MGM musical romantic comedy film starring Jane Powell and Debbie Reynolds, centered on a health-obsessed family and their influence on a conventional lawyer.
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C.
Athena
Athena is a central character in Helen Garner’s novella "The Children’s Bach," around whom much of the story’s emotional and relational tension revolves.
-
D.
Athena
Athena is the ancient Greek goddess of wisdom, warfare, and crafts, and the patron deity of the city of Athens.
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E.
Athena
Athena is the enigmatic, spiritually gifted protagonist of Paulo Coelho’s novel "The Witch of Portobello," whose search for identity and the divine challenges social and religious conventions.
- 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: Athena II Target entity description: Athena II is a retired American small expendable launch vehicle developed by Lockheed Martin for placing payloads into low Earth orbit and beyond.
-
A.
Athena I
Athena I is a small, expendable American launch vehicle developed in the 1990s for placing lightweight payloads into low Earth orbit.
-
B.
Athena
"Athena" is a 1954 MGM musical romantic comedy film starring Jane Powell and Debbie Reynolds, centered on a health-obsessed family and their influence on a conventional lawyer.
-
C.
Athena
Athena is a central character in Helen Garner’s novella "The Children’s Bach," around whom much of the story’s emotional and relational tension revolves.
-
D.
Athena
Athena is the ancient Greek goddess of wisdom, warfare, and crafts, and the patron deity of the city of Athens.
-
E.
Athena
Athena is the enigmatic, spiritually gifted protagonist of Paulo Coelho’s novel "The Witch of Portobello," whose search for identity and the divine challenges social and religious conventions.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
expendable launch vehicle
ⓘ
small-lift launch vehicle ⓘ |
| alsoKnownAs | Lockheed Martin Athena II NERFINISHED ⓘ |
| capability |
placing payloads beyond low Earth orbit
ⓘ
placing payloads into low Earth orbit ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developer | Lockheed Martin NERFINISHED ⓘ |
| enteredService | 1998 ⓘ |
| failedLaunches | 0 ⓘ |
| family | Athena rocket family NERFINISHED ⓘ |
| firstFlightDate | 1998-01-07 ⓘ |
| firstFlightLaunchSite | Cape Canaveral Space Launch Complex 46 NERFINISHED ⓘ |
| firstFlightPayload | Lunar Prospector NERFINISHED ⓘ |
| lastFlightDate | 1999-09-24 ⓘ |
| lastFlightLaunchSite | Vandenberg Space Launch Complex 6 NERFINISHED ⓘ |
| launchServiceProvider | Lockheed Martin NERFINISHED ⓘ |
| launchSitesUsed |
Cape Canaveral Space Launch Complex 46
NERFINISHED
ⓘ
Vandenberg Space Launch Complex 6 NERFINISHED ⓘ |
| launchVehicleType | all-solid launch vehicle ⓘ |
| manufacturer | Lockheed Martin NERFINISHED ⓘ |
| notableMission | Lunar Prospector mission to the Moon NERFINISHED ⓘ |
| numberOfStages | 3 ⓘ |
| operator | Lockheed Martin Astronautics NERFINISHED ⓘ |
| propellantType | solid fuel ⓘ |
| retiredFromService | 1999 ⓘ |
| stage1Engine | Castor 120 NERFINISHED ⓘ |
| stage2Engine | Castor 120 NERFINISHED ⓘ |
| stage3Engine | Orbus 21D NERFINISHED ⓘ |
| status | retired ⓘ |
| successfulLaunches | 3 ⓘ |
| successor | Athena IIc NERFINISHED ⓘ |
| totalLaunches | 3 ⓘ |
| upperStage | Orbus 21D NERFINISHED ⓘ |
| usedFor |
NASA science missions
ⓘ
commercial satellite launches ⓘ |
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: Athena II Description of subject: Athena II is a retired American small expendable launch vehicle developed by Lockheed Martin for placing payloads into low Earth orbit and beyond.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.