STS-121
E213285
STS-121 was a 2006 NASA Space Shuttle Discovery mission focused on testing new safety improvements and resupply of the International Space Station as part of the post-Columbia "Return to Flight" efforts.
All labels observed (5)
| Label | Occurrences |
|---|---|
| STS-121 canonical | 17 |
| Space Shuttle Discovery STS-121 | 2 |
| STS-121 Space Shuttle mission | 1 |
| Space Shuttle Return to Flight mission STS-121 | 1 |
| Space Shuttle mission STS-121 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1688959 — 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: STS-121 Context triple: [STS-114, followedBy, STS-121]
-
A.
STS-120
STS-120 was a 2007 Space Shuttle mission to the International Space Station that delivered the Harmony (Node 2) module and featured a dramatic solar array repair spacewalk.
-
B.
STS-115
STS-115 was a 2006 NASA Space Shuttle Atlantis mission that resumed International Space Station construction by delivering and installing a major truss segment and associated hardware.
-
C.
STS-135
STS-135 was the final mission of NASA’s Space Shuttle program, flown by Atlantis in 2011 to resupply the International Space Station and conclude the shuttle era.
-
D.
STS-109
STS-109 was a NASA Space Shuttle Columbia mission in 2002 that upgraded and refurbished the Hubble Space Telescope, significantly enhancing its scientific capabilities.
-
E.
STS-96
STS-96 was a 1999 NASA Space Shuttle Discovery mission that performed the first docking with the International Space Station after its initial assembly flights, delivering supplies and equipment.
- 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: STS-121 Target entity description: STS-121 was a 2006 NASA Space Shuttle Discovery mission focused on testing new safety improvements and resupply of the International Space Station as part of the post-Columbia "Return to Flight" efforts.
-
A.
STS-120
STS-120 was a 2007 Space Shuttle mission to the International Space Station that delivered the Harmony (Node 2) module and featured a dramatic solar array repair spacewalk.
-
B.
STS-115
STS-115 was a 2006 NASA Space Shuttle Atlantis mission that resumed International Space Station construction by delivering and installing a major truss segment and associated hardware.
-
C.
STS-135
STS-135 was the final mission of NASA’s Space Shuttle program, flown by Atlantis in 2011 to resupply the International Space Station and conclude the shuttle era.
-
D.
STS-109
STS-109 was a NASA Space Shuttle Columbia mission in 2002 that upgraded and refurbished the Hubble Space Telescope, significantly enhancing its scientific capabilities.
-
E.
STS-96
STS-96 was a 1999 NASA Space Shuttle Discovery mission that performed the first docking with the International Space Station after its initial assembly flights, delivering supplies and equipment.
- F. None of above. chosen
Statements (64)
| Predicate | Object |
|---|---|
| instanceOf |
International Space Station resupply mission
ⓘ
NASA spaceflight ⓘ Space Shuttle mission ⓘ |
| commander | Steven W. Lindsey ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crewSize | 7 ⓘ |
| deliveredCrewToISS | Thomas Reiter NERFINISHED ⓘ |
| deliveredToISS |
equipment
ⓘ
experiments ⓘ supplies ⓘ |
| destination | International Space Station ⓘ |
| esaAstronautOnboard | Thomas Reiter ⓘ |
| evaCount | 3 ⓘ |
| evaPurpose |
ISS maintenance and assembly tasks
ⓘ
testing repair techniques for Shuttle thermal protection system ⓘ |
| focus |
resupply of the International Space Station
ⓘ
testing new safety improvements ⓘ |
| issAssemblyFlight | ULF1.1 ⓘ |
| issExpeditionSupported | Expedition 13 ⓘ |
| landingDate | 2006-07-17 ⓘ |
| landingRunway | Runway 15 ⓘ |
| landingSite | Kennedy Space Center Shuttle Landing Facility ⓘ |
| launchDate | 2006-07-04 ⓘ |
| launchPad | LC-39B ⓘ |
| launchSite |
Kennedy Space Center
ⓘ
Kennedy Space Center Launch Complex 39B ⓘ |
| launchTimeUTC | 18:37:55 ⓘ |
| missionDuration | 12 days 18 hours 37 minutes ⓘ |
| missionName | STS-121 ⓘ |
| missionOutcome | success ⓘ |
| missionSpecialist |
Lisa M. Nowak
ⓘ
Michael E. Fossum ⓘ Piers J. Sellers ⓘ
linked to:
Piers Sellers
Stephanie D. Wilson ⓘ Thomas Reiter ⓘ |
| missionType | ISS logistics and test flight ⓘ |
| notableFeature |
first Space Shuttle launch on the United States Independence Day
ⓘ
first mission to add a third crew member to ISS Expedition 13 ⓘ |
| operator | NASA ⓘ |
| orbitApogee | 346 km ⓘ |
| orbitInclination | 51.6 degrees ⓘ |
| orbitPerigee | 338 km ⓘ |
| orbitPeriod | 91.3 minutes ⓘ |
| orbitsCompleted | 202 ⓘ |
| partOf | post-Columbia Shuttle flights ⓘ |
| pilot | Mark E. Kelly ⓘ |
| previousReturnToFlightMission | STS-114 ⓘ |
| primaryObjective | evaluate new Shuttle safety and inspection procedures ⓘ |
| primaryPayload |
Multi-Purpose Logistics Module Leonardo
ⓘ
linked to:
Leonardo Permanent Multipurpose Module
|
| program |
Space Shuttle program
ⓘ
linked to:
NASA Space Shuttle program
|
| relatedAccident |
STS-107 Columbia disaster
ⓘ
linked to:
STS-107
|
| returnToFlightNumber | second Return to Flight mission after STS-107 ⓘ |
| returnToFlightPhase | post-Columbia Return to Flight ⓘ |
| safetyImprovementTested |
enhanced external tank foam inspection
ⓘ
orbiter boom sensor system procedures ⓘ refined ascent imagery system ⓘ |
| secondaryObjective | deliver logistics and supplies to the ISS ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraft | Space Shuttle Discovery ⓘ |
| spacecraftSerial | OV-103 ⓘ |
| spaceShuttle | Discovery ⓘ |
| testedSystem |
Shuttle thermal protection system inspection procedures
ⓘ
enhanced imaging and sensor packages ⓘ on-orbit repair techniques ⓘ |
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: STS-121 Description of subject: STS-121 was a 2006 NASA Space Shuttle Discovery mission focused on testing new safety improvements and resupply of the International Space Station as part of the post-Columbia "Return to Flight" efforts.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Sellers
linked to: STS-121
linked to: STS-121
linked to: STS-121
linked to: STS-121
linked to: STS-121