SAPPHIRE
E900001
SAPPHIRE is a Canadian space surveillance satellite used to track objects in Earth's orbit and contribute to space situational awareness.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SAPPHIRE canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11000653 — 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: SAPPHIRE Context triple: [PSLV-C20, launchedSatellite, SAPPHIRE]
-
A.
Sapphire
Sapphire is an American author best known for her novel "Push," which was adapted into the acclaimed film "Precious."
-
B.
Sapphire
Sapphire is a 1959 British crime drama film that explores racial tensions and prejudice in London through the investigation of a young woman's murder.
-
C.
Sapphire
Sapphire is a precious gemstone variety of the mineral corundum, typically blue, valued for its hardness, brilliance, and use in fine jewelry and industrial applications.
-
D.
Topaz
Topaz is a silicate mineral gemstone prized for its clarity and range of colors, commonly used in jewelry and often linked to themes of strength and protection.
-
E.
Topaze
Topaze is a celebrated French play by Marcel Pagnol that satirizes corruption and moral compromise through the story of an idealistic schoolteacher drawn into the world of politics and business.
- 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: SAPPHIRE Target entity description: SAPPHIRE is a Canadian space surveillance satellite used to track objects in Earth's orbit and contribute to space situational awareness.
-
A.
Sapphire
Sapphire is an American author best known for her novel "Push," which was adapted into the acclaimed film "Precious."
-
B.
Sapphire
Sapphire is a 1959 British crime drama film that explores racial tensions and prejudice in London through the investigation of a young woman's murder.
-
C.
Sapphire
Sapphire is a precious gemstone variety of the mineral corundum, typically blue, valued for its hardness, brilliance, and use in fine jewelry and industrial applications.
-
D.
Topaz
Topaz is a silicate mineral gemstone prized for its clarity and range of colors, commonly used in jewelry and often linked to themes of strength and protection.
-
E.
Topaze
Topaze is a celebrated French play by Marcel Pagnol that satirizes corruption and moral compromise through the story of an idealistic schoolteacher drawn into the world of politics and business.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Canadian military satellite
ⓘ
satellite ⓘ space surveillance satellite ⓘ |
| agencyPartner |
United States Air Force
ⓘ
United States Department of Defense ⓘ
linked to:
Department of Defense
|
| contributesTo |
North American Aerospace Defense Command space picture
ⓘ
collision avoidance analysis ⓘ global space object catalog ⓘ |
| countryOfOrigin | Canada ⓘ |
| dataType | positional data of space objects ⓘ |
| dataUser |
Canadian Department of National Defence
ⓘ
linked to:
Department of National Defence
United States Space Surveillance Network ⓘ |
| designation | Sapphire ⓘ |
| inclination | approximately 98 degrees ⓘ |
| isPartOf | Canadian space surveillance capability ⓘ |
| launchCountry | India ⓘ |
| launchDate | 2013-02-25 ⓘ |
| launchProvider | Indian Space Research Organisation ⓘ |
| launchSite | Satish Dhawan Space Centre ⓘ |
| launchVehicle | PSLV-CA ⓘ |
| manufacturer | MDA ⓘ |
| mass | approximately 148 kilograms ⓘ |
| missionStart | 2013 ⓘ |
| missionType |
space situational awareness
ⓘ
space surveillance ⓘ |
| observationType | optical ⓘ |
| observes | Earth-orbiting objects ⓘ |
| operator |
Canadian Armed Forces
ⓘ
linked to:
Canadian forces
Department of National Defence (Canada) ⓘ
linked to:
Department of National Defence
|
| orbitPeriod | approximately 97 minutes ⓘ |
| orbitRegime | Low Earth orbit ⓘ |
| orbitType | Sun-synchronous orbit ⓘ |
| powerType | solar powered ⓘ |
| program | Canadian Space Surveillance System ⓘ |
| purpose |
contributing to space situational awareness
ⓘ
tracking objects in Earth orbit ⓘ |
| spacecraftBus | MDA small satellite bus ⓘ |
| spaceDomain | space domain awareness ⓘ |
| spectralBand | visible ⓘ |
| status | operational ⓘ |
| tracks |
active satellites
ⓘ
space debris ⓘ |
| tracksAltitudeRange |
geosynchronous orbit objects
ⓘ
medium Earth orbit objects ⓘ |
| uses |
onboard optical sensor
ⓘ
telescope payload ⓘ |
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: SAPPHIRE Description of subject: SAPPHIRE is a Canadian space surveillance satellite used to track objects in Earth's orbit and contribute to space situational awareness.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.