Kepler
E648457
Kepler was a NASA space telescope mission designed to discover Earth-sized exoplanets by monitoring the brightness of distant stars for transit signals.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Kepler canonical | 4 |
| Kepler mission | 4 |
| Kepler (spacecraft) | 1 |
| Kepler Mission | 1 |
| Kepler primary mission | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7210432 — 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: Kepler Context triple: [NASA Discovery Program, mission, Kepler]
-
A.
Kepler
Kepler is a prominent lunar impact crater on the Moon’s near side, notable for its bright ray system and relatively young geological age.
-
B.
Keppler
Keppler is a German surname most notably associated with Wilhelm Keppler, an industrialist and early economic adviser to Adolf Hitler.
-
C.
Képler
Képler is a given name associated with the individual known as Pepe.
-
D.
Copernicus
Copernicus is the European Union’s flagship Earth observation programme that uses satellites and ground-based systems to monitor and provide data on the planet’s environment, climate, and security.
-
E.
Kepler Track
The Kepler Track is a renowned multi-day Great Walk in New Zealand, offering alpine and lakeside scenery in the Fiordland region of the South Island.
- 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: Kepler Target entity description: Kepler was a NASA space telescope mission designed to discover Earth-sized exoplanets by monitoring the brightness of distant stars for transit signals.
-
A.
Kepler
Kepler is a prominent lunar impact crater on the Moon’s near side, notable for its bright ray system and relatively young geological age.
-
B.
Keppler
Keppler is a German surname most notably associated with Wilhelm Keppler, an industrialist and early economic adviser to Adolf Hitler.
-
C.
Képler
Képler is a given name associated with the individual known as Pepe.
-
D.
Copernicus
Copernicus is the European Union’s flagship Earth observation programme that uses satellites and ground-based systems to monitor and provide data on the planet’s environment, climate, and security.
-
E.
Kepler Track
The Kepler Track is a renowned multi-day Great Walk in New Zealand, offering alpine and lakeside scenery in the Fiordland region of the South Island.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
NASA space mission
ⓘ
exoplanet-hunting mission ⓘ space telescope ⓘ |
| apertureDiameter | 0.95 m ⓘ |
| catalogName |
Kepler Object of Interest (KOI) catalog
ⓘ
linked to:
Kepler Objects of Interest
|
| contractor |
Ball Aerospace & Technologies Corp.
ⓘ
linked to:
Ball Aerospace
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| dataArchive | Mikulski Archive for Space Telescopes ⓘ |
| dataType | high-precision photometry ⓘ |
| detectorType | CCD array ⓘ |
| discoveriesInfluence | revised estimates of occurrence rate of Earth-like planets ⓘ |
| endOfPrimaryMission | 2013-05 ⓘ |
| extendedMissionName | K2 ⓘ |
| fieldLocation |
constellation Cygnus
ⓘ
constellation Lyra ⓘ |
| fieldOfView | 115 square degrees ⓘ |
| focalPlaneSize | 95 megapixels ⓘ |
| K2Description | repurposed mission using two reaction wheels and solar pressure for pointing ⓘ |
| K2Start | 2014-05 ⓘ |
| launchCountry |
United States
ⓘ
linked to:
United States of America
|
| launchDate | 2009-03-07 ⓘ |
| launchSite | Cape Canaveral Air Force Station Space Launch Complex 17B ⓘ |
| launchVehicle |
Delta II 7925-10L
ⓘ
linked to:
Delta II
|
| manufacturer |
Ball Aerospace & Technologies Corp.
ⓘ
linked to:
Ball Aerospace
|
| missionEnd | 2018-10-30 ⓘ |
| missionID |
Kepler (spacecraft)
ⓘ
linked to:
Kepler
|
| missionPhase |
K2 extended mission
ⓘ
primary mission ⓘ |
| missionStart | 2009-05-12 ⓘ |
| missionType |
exoplanet survey
ⓘ
space observatory ⓘ |
| monitoredStarsCount | over 150000 stars ⓘ |
| namedAfter | Johannes Kepler ⓘ |
| notableResult |
confirmation of thousands of exoplanets
ⓘ
discovery of thousands of exoplanet candidates ⓘ first detection of many Earth-size exoplanets in habitable zones ⓘ |
| numberOfCCDs | 42 ⓘ |
| observationMethod | transit photometry ⓘ |
| observingStrategy | continuous long-term monitoring of target stars ⓘ |
| operatedBy |
NASA Ames Research Center
ⓘ
linked to:
Ames Research Center
|
| operator | NASA ⓘ |
| orbitDescription | Earth-trailing heliocentric orbit ⓘ |
| orbitType | heliocentric orbit ⓘ |
| PI | William J. Borucki ⓘ |
| pointingMode | stares at fixed field of view ⓘ |
| primaryObjective | discover Earth-size exoplanets in or near the habitable zone of Sun-like stars ⓘ |
| program | NASA Discovery Program ⓘ |
| reactionWheelFailures | 2 ⓘ |
| reactionWheels | 4 ⓘ |
| reasonForEnd | exhaustion of fuel ⓘ |
| scientificGoal |
determine the frequency of Earth-size planets in the Milky Way
ⓘ
measure the properties of exoplanet systems ⓘ study variability of stars ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraftBus | Ball Aerospace Kepler bus ⓘ |
| status | retired ⓘ |
| targetStarType |
Sun-like stars
ⓘ
red dwarfs ⓘ |
| telescopeType | Schmidt telescope ⓘ |
| wavelengthRange | visible light ⓘ |
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: Kepler Description of subject: Kepler was a NASA space telescope mission designed to discover Earth-sized exoplanets by monitoring the brightness of distant stars for transit signals.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kepler
linked to: Kepler
linked to: Kepler
linked to: Kepler
linked to: Kepler
linked to: Kepler