Mercury-Atlas 5
E583252
Mercury-Atlas 5 was a 1961 NASA test flight of the Mercury spacecraft carrying the chimpanzee Enos, serving as a crucial precursor to the first American crewed orbital mission.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mercury-Atlas 5 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6104391 — 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: Mercury-Atlas 5 Context triple: [Mercury-Atlas 6, precededBy, Mercury-Atlas 5]
-
A.
Mercury-Atlas 6
Mercury-Atlas 6 was the 1962 NASA mission that carried astronaut John Glenn on the first American crewed orbital flight around Earth.
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B.
Mercury-Atlas 8
Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
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C.
Mercury-Atlas 9
Mercury-Atlas 9 was NASA’s final crewed Mercury mission, during which astronaut Gordon Cooper completed the longest and last solo orbital flight of the program in 1963.
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D.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
E.
Mercury-Redstone 3
Mercury-Redstone 3 was the 1961 NASA mission that carried astronaut Alan Shepard on the first American crewed spaceflight, marking a major early milestone in human space exploration.
- 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: Mercury-Atlas 5 Target entity description: Mercury-Atlas 5 was a 1961 NASA test flight of the Mercury spacecraft carrying the chimpanzee Enos, serving as a crucial precursor to the first American crewed orbital mission.
-
A.
Mercury-Atlas 6
Mercury-Atlas 6 was the 1962 NASA mission that carried astronaut John Glenn on the first American crewed orbital flight around Earth.
-
B.
Mercury-Atlas 8
Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
-
C.
Mercury-Atlas 9
Mercury-Atlas 9 was NASA’s final crewed Mercury mission, during which astronaut Gordon Cooper completed the longest and last solo orbital flight of the program in 1963.
-
D.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
E.
Mercury-Redstone 3
Mercury-Redstone 3 was the 1961 NASA mission that carried astronaut Alan Shepard on the first American crewed spaceflight, marking a major early milestone in human space exploration.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Mercury program mission
ⓘ
spaceflight mission ⓘ |
| animalAstronaut | Enos NERFINISHED ⓘ |
| animalSurvival | Enos survived the flight NERFINISHED ⓘ |
| associatedAstronaut | John Glenn NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crewSize | 1 (non-human) ⓘ |
| crewType | non-human primate ⓘ |
| duration | approximately 3 hours ⓘ |
| enabledMission | Mercury-Atlas 6 NERFINISHED ⓘ |
| era | early Space Race ⓘ |
| followedBy | Mercury-Atlas 6 NERFINISHED ⓘ |
| landingDate | 1961-11-29 ⓘ |
| landingSite | Atlantic Ocean NERFINISHED ⓘ |
| launchDate | 1961-11-29 ⓘ |
| launchSite |
Cape Canaveral Air Force Station Launch Complex 14
NERFINISHED
ⓘ
Cape Canaveral, Florida NERFINISHED ⓘ |
| launchVehicle | Atlas LV-3B NERFINISHED ⓘ |
| launchYear | 1961 ⓘ |
| missionType |
orbital spaceflight
ⓘ
test flight ⓘ |
| notableAs | final unmanned orbital test flight before first American crewed orbital mission ⓘ |
| numberOfOrbitsCompleted | 2 ⓘ |
| numberOfOrbitsPlanned | 3 ⓘ |
| operator | NASA ⓘ |
| orbitApogee | approximately 237 kilometers ⓘ |
| orbitInclination | about 32.5 degrees ⓘ |
| orbitPerigee | approximately 159 kilometers ⓘ |
| payload | Enos NERFINISHED ⓘ |
| payloadType | chimpanzee ⓘ |
| precededBy | Mercury-Atlas 4 NERFINISHED ⓘ |
| primaryObjective | test Mercury spacecraft systems in orbital flight with a primate passenger ⓘ |
| program | Project Mercury NERFINISHED ⓘ |
| reasonForEarlyTermination | spacecraft technical problems ⓘ |
| recoveryBy | United States Navy NERFINISHED ⓘ |
| recoveryShip | USS Stormes NERFINISHED ⓘ |
| significance | validated Mercury spacecraft environmental control and guidance systems for human orbital flight ⓘ |
| spaceAgency | National Aeronautics and Space Administration NERFINISHED ⓘ |
| spacecraft | Mercury spacecraft NERFINISHED ⓘ |
| spacecraftName | Mercury No. 9 NERFINISHED ⓘ |
| spacecraftSerialNumber | Spacecraft 9 NERFINISHED ⓘ |
| testingFocus |
attitude control system
ⓘ
life-support systems ⓘ reentry and recovery procedures ⓘ |
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: Mercury-Atlas 5 Description of subject: Mercury-Atlas 5 was a 1961 NASA test flight of the Mercury spacecraft carrying the chimpanzee Enos, serving as a crucial precursor to the first American crewed orbital mission.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.