Space Shuttle mission STS-39
E846875
Space Shuttle mission STS-39 was a 1991 Department of Defense–focused flight of orbiter Discovery that conducted classified military experiments and atmospheric research in low Earth orbit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Space Shuttle mission STS-39 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10196927 — 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: Space Shuttle mission STS-39 Context triple: [Gregory J. Harbaugh, participatedIn, Space Shuttle mission STS-39]
-
A.
Space Shuttle mission STS-51-C
Space Shuttle mission STS-51-C was a 1985 classified U.S. Department of Defense flight of the orbiter Discovery, notable as the first space mission flown by astronaut Ellison Onizuka.
-
B.
Space Shuttle mission STS-51-I
Space Shuttle mission STS-51-I was a 1985 NASA flight of orbiter Discovery focused on deploying and repairing communications satellites in low Earth orbit.
-
C.
Space Shuttle mission STS-102
Space Shuttle mission STS-102 was a 2001 NASA flight of Discovery that delivered and exchanged crew and supplies for the International Space Station as part of the early assembly and habitation phase.
-
D.
STS-59
STS-59 was a 1994 Space Shuttle Endeavour mission focused on Earth observation and radar imaging as part of NASA's Space Radar Laboratory program.
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E.
STS-49
STS-49 was the maiden flight of the Space Shuttle Endeavour in 1992, notable for its complex satellite rescue and repair operations conducted during multiple spacewalks.
- 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: Space Shuttle mission STS-39 Target entity description: Space Shuttle mission STS-39 was a 1991 Department of Defense–focused flight of orbiter Discovery that conducted classified military experiments and atmospheric research in low Earth orbit.
-
A.
Space Shuttle mission STS-51-C
Space Shuttle mission STS-51-C was a 1985 classified U.S. Department of Defense flight of the orbiter Discovery, notable as the first space mission flown by astronaut Ellison Onizuka.
-
B.
Space Shuttle mission STS-51-I
Space Shuttle mission STS-51-I was a 1985 NASA flight of orbiter Discovery focused on deploying and repairing communications satellites in low Earth orbit.
-
C.
Space Shuttle mission STS-102
Space Shuttle mission STS-102 was a 2001 NASA flight of Discovery that delivered and exchanged crew and supplies for the International Space Station as part of the early assembly and habitation phase.
-
D.
STS-59
STS-59 was a 1994 Space Shuttle Endeavour mission focused on Earth observation and radar imaging as part of NASA's Space Radar Laboratory program.
-
E.
STS-49
STS-49 was the maiden flight of the Space Shuttle Endeavour in 1992, notable for its complex satellite rescue and repair operations conducted during multiple spacewalks.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Space Shuttle mission
ⓘ
orbital spaceflight ⓘ |
| commander | Michael L. Coats NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crewMember |
Charles L. Veach
NERFINISHED
ⓘ
Donald R. McMonagle NERFINISHED ⓘ Gregory J. Harbaugh NERFINISHED ⓘ Guion S. Bluford Jr. NERFINISHED ⓘ L. Blaine Hammond Jr. NERFINISHED ⓘ Michael L. Coats NERFINISHED ⓘ Richard J. Hieb NERFINISHED ⓘ |
| crewSize | 7 ⓘ |
| landingDate | 1991-05-06 ⓘ |
| landingSite | Edwards Air Force Base NERFINISHED ⓘ |
| launchDate | 1991-04-28 ⓘ |
| launchSite | Kennedy Space Center Launch Complex 39A ⓘ |
| launchVehicle | Space Shuttle Discovery NERFINISHED ⓘ |
| missionDuration | 8 days 7 hours 22 minutes ⓘ |
| missionDurationDays | 8.31 ⓘ |
| missionPatch | STS-39 mission insignia NERFINISHED ⓘ |
| missionSpecialist |
Charles L. Veach
NERFINISHED
ⓘ
Donald R. McMonagle NERFINISHED ⓘ Gregory J. Harbaugh NERFINISHED ⓘ Guion S. Bluford Jr. NERFINISHED ⓘ Richard J. Hieb NERFINISHED ⓘ |
| missionType |
Department of Defense mission
ⓘ
atmospheric research mission ⓘ classified military experiments mission ⓘ microgravity research mission ⓘ |
| notableFeature | first unclassified Department of Defense–dedicated Space Shuttle mission ⓘ |
| operator | NASA ⓘ |
| orbit | low Earth orbit ⓘ |
| orbitApogeeKilometers | 307 ⓘ |
| orbiter | Discovery NERFINISHED ⓘ |
| orbitInclinationDegrees | 57.0 ⓘ |
| orbitPerigeeKilometers | 296 ⓘ |
| orbitsCompleted | 134 ⓘ |
| payload |
AFP-675 payload
ⓘ
CAPE (Cryogenic Infrared Radiance Instrumentation for Shuttle) NERFINISHED ⓘ IBSS (Infrared Background Signature Survey) payload NERFINISHED ⓘ MAST (Mutual Alignment Sensor Test) NERFINISHED ⓘ SPAS-II (Shuttle Pallet Satellite II) NERFINISHED ⓘ SSE (Spacecraft Kinetic Infrared Test) NERFINISHED ⓘ |
| pilot | L. Blaine Hammond Jr. NERFINISHED ⓘ |
| primaryObjective |
conduct Department of Defense experiments
ⓘ
conduct atmospheric research ⓘ study Earth’s atmosphere and aurora ⓘ |
| program |
NASA Space Shuttle program
ⓘ
surface form:
Space Shuttle program
|
| shuttleDiscoveryFlightNumber | 12 ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraft | Space Shuttle Discovery NERFINISHED ⓘ |
| spaceShuttleProgramFlightNumber | 40 ⓘ |
| sponsor |
Strategic Defense Initiative Organization
NERFINISHED
ⓘ
United States Department of Defense NERFINISHED ⓘ |
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: Space Shuttle mission STS-39 Description of subject: Space Shuttle mission STS-39 was a 1991 Department of Defense–focused flight of orbiter Discovery that conducted classified military experiments and atmospheric research in low Earth orbit.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.