Gemini 9A
E207466
Gemini 9A was a 1966 NASA crewed Gemini mission that tested rendezvous and docking procedures and conducted spacewalk experiments in preparation for the Apollo lunar program.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gemini 9A canonical | 15 |
How this entity was disambiguated
This entity first appeared as the object of triple T1806907 — 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: Gemini 9A Context triple: [Gemini 8, followedBy, Gemini 9A]
-
A.
Gemini 6A
Gemini 6A was a 1965 NASA crewed spaceflight that achieved the first successful rendezvous between two orbiting spacecraft during the Gemini program.
-
B.
Gemini 5
Gemini 5 was a 1965 NASA crewed spaceflight that set a then-record for longest human space mission, demonstrating key endurance and rendezvous technologies for the Apollo program.
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C.
Gemini spacecraft
The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
-
D.
Gemini 7
Gemini 7 was a 1965 NASA crewed spacecraft mission that conducted a long-duration 14-day flight to study the effects of space travel on the human body and served as the passive target for the first crewed space rendezvous with Gemini 6A.
-
E.
Gemini 8
Gemini 8 was a 1966 NASA crewed spaceflight in the Gemini program, notable for achieving the first successful docking of two spacecraft in orbit and for a critical in-flight emergency that tested astronaut Neil Armstrong’s piloting skills.
- 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: Gemini 9A Target entity description: Gemini 9A was a 1966 NASA crewed Gemini mission that tested rendezvous and docking procedures and conducted spacewalk experiments in preparation for the Apollo lunar program.
-
A.
Gemini 6A
Gemini 6A was a 1965 NASA crewed spaceflight that achieved the first successful rendezvous between two orbiting spacecraft during the Gemini program.
-
B.
Gemini 5
Gemini 5 was a 1965 NASA crewed spaceflight that set a then-record for longest human space mission, demonstrating key endurance and rendezvous technologies for the Apollo program.
-
C.
Gemini spacecraft
The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
-
D.
Gemini 7
Gemini 7 was a 1965 NASA crewed spacecraft mission that conducted a long-duration 14-day flight to study the effects of space travel on the human body and served as the passive target for the first crewed space rendezvous with Gemini 6A.
-
E.
Gemini 8
Gemini 8 was a 1966 NASA crewed spaceflight in the Gemini program, notable for achieving the first successful docking of two spacecraft in orbit and for a critical in-flight emergency that tested astronaut Neil Armstrong’s piloting skills.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
NASA Gemini mission
ⓘ
crewed spaceflight mission ⓘ orbital spaceflight ⓘ |
| abbreviation | GTA-9A ⓘ |
| apoapsis | approximately 274 kilometers ⓘ |
| backupCrewMember |
Buzz Aldrin
ⓘ
Jim Lovell ⓘ
surface form:
James A. Lovell Jr.
|
| callSign | Gemini 9A self-link ⓘ |
| commander |
Thomas Stafford
ⓘ
surface form:
Thomas P. Stafford
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crewMember |
Eugene Cernan
ⓘ
surface form:
Eugene A. Cernan
Thomas Stafford ⓘ
surface form:
Thomas P. Stafford
|
| crewSize | 2 ⓘ |
| evaCount | 1 ⓘ |
| evaDuration | approximately 2 hours 7 minutes ⓘ |
| evaOutcome | partially successful ⓘ |
| evaPerformedBy |
Eugene Cernan
ⓘ
surface form:
Eugene A. Cernan
|
| evaPurpose |
Manned Maneuvering Unit
ⓘ
surface form:
test Astronaut Maneuvering Unit
|
| inclination | 28.9 degrees ⓘ |
| isFollowUpTo | Gemini 9 ⓘ |
| landingDate | 1966-06-06 ⓘ |
| landingSite | Atlantic Ocean ⓘ |
| launchDate | 1966-06-03 ⓘ |
| launchSite | Cape Kennedy Air Force Station Launch Complex 19 ⓘ |
| launchVehicle | Titan II GLV ⓘ |
| launchYear | 1966 ⓘ |
| missionDuration | 3 days 0 hours 20 minutes ⓘ |
| missionNumber | 9 ⓘ |
| missionPatchDesigner | Allen Stevens ⓘ |
| nextMission | Gemini 10 ⓘ |
| notes | original Gemini 9 prime crew died in a T-38 crash before the mission ⓘ |
| operator | NASA ⓘ |
| orbitsCompleted | 45 ⓘ |
| periapsis | approximately 158 kilometers ⓘ |
| pilot |
Eugene Cernan
ⓘ
surface form:
Eugene A. Cernan
|
| previousMission | Gemini 8 ⓘ |
| primaryObjective |
docking procedures testing
ⓘ
rendezvous procedures testing ⓘ |
| program | Project Gemini ⓘ |
| purpose | preparation for Apollo lunar missions ⓘ |
| recoveryShip | USS Wasp ⓘ |
| rendezvousTarget | Augmented Target Docking Adapter ⓘ |
| secondaryObjective |
extravehicular activity experiments
ⓘ
spacewalk techniques development ⓘ |
| spaceAgency |
NASA
ⓘ
surface form:
National Aeronautics and Space Administration
|
| spacecraftType | Gemini spacecraft ⓘ |
| status | completed ⓘ |
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: Gemini 9A Description of subject: Gemini 9A was a 1966 NASA crewed Gemini mission that tested rendezvous and docking procedures and conducted spacewalk experiments in preparation for the Apollo lunar program.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.