CASSIOPE satellite
E898938
CASSIOPE satellite is a Canadian multi-purpose spacecraft that combines scientific research of Earth’s upper atmosphere with a commercial communications payload.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CASSIOPE satellite canonical | 1 |
| CASSIOPE satellite bus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11000834 — 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: CASSIOPE satellite Context triple: [Cascade, partOf, CASSIOPE satellite]
-
A.
Alouette satellites
The Alouette satellites were pioneering Canadian scientific spacecraft launched in the 1960s to study the ionosphere, marking Canada as one of the first nations to design and build its own satellite.
-
B.
Sapphire (satellite)
Sapphire is a Canadian military surveillance satellite designed to track space objects and contribute to space situational awareness.
-
C.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
D.
Arconsat
Arconsat is a small rural commune in central France, located in the Puy-de-Dôme department of the Auvergne-Rhône-Alpes region.
-
E.
Copernicus satellite (OAO-3)
Copernicus satellite (OAO-3) was a NASA space observatory launched in 1972 that performed pioneering ultraviolet astronomy, particularly the high-resolution spectroscopic study of interstellar matter and hot stars.
- 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: CASSIOPE satellite Target entity description: CASSIOPE satellite is a Canadian multi-purpose spacecraft that combines scientific research of Earth’s upper atmosphere with a commercial communications payload.
-
A.
Alouette satellites
The Alouette satellites were pioneering Canadian scientific spacecraft launched in the 1960s to study the ionosphere, marking Canada as one of the first nations to design and build its own satellite.
-
B.
Sapphire (satellite)
Sapphire is a Canadian military surveillance satellite designed to track space objects and contribute to space situational awareness.
-
C.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
D.
Arconsat
Arconsat is a small rural commune in central France, located in the Puy-de-Dôme department of the Auvergne-Rhône-Alpes region.
-
E.
Copernicus satellite (OAO-3)
Copernicus satellite (OAO-3) was a NASA space observatory launched in 1972 that performed pioneering ultraviolet astronomy, particularly the high-resolution spectroscopic study of interstellar matter and hot stars.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Canadian satellite
ⓘ
artificial satellite ⓘ communications satellite ⓘ scientific satellite ⓘ |
| abbreviation | CASSIOPE ⓘ |
| alternateName | CASCADE Smallsat and Ionospheric Polar Explorer ⓘ |
| apogeeAltitude | approximately 1500 km ⓘ |
| commercialObjective | demonstrate high-speed store-and-forward data communications ⓘ |
| countryOfOrigin | Canada ⓘ |
| fullName | Cascade, Smallsat and Ionospheric Polar Explorer ⓘ |
| hasCommunicationsPayload | Cascade ⓘ |
| hasInstrument |
Langmuir probe (on ePOP)
ⓘ
linked to:
Langmuir Probe
imaging instruments (on ePOP) ⓘ magnetometer (on ePOP) ⓘ radio receiver (on ePOP) ⓘ |
| hasPayload |
Cascade
ⓘ
ePOP ⓘ |
| hasScientificPayload | ePOP ⓘ |
| inclination | approximately 80 degrees ⓘ |
| isPartOf |
Canadian space program
ⓘ
linked to:
Canadian Space Agency
|
| launchContractor | SpaceX ⓘ |
| launchDate | 2013-09-29 ⓘ |
| launchSite |
Space Launch Complex 4E
ⓘ
linked to:
Space Launch Complex 4
Vandenberg Air Force Base ⓘ
linked to:
Vandenberg Space Force Base
|
| launchVehicle |
Falcon 9 v1.0
ⓘ
linked to:
Falcon 9 rocket
|
| manufacturer |
Bristol Aerospace
ⓘ
MacDonald, Dettwiler and Associates ⓘ
linked to:
MDA (MacDonald, Dettwiler and Associates)
|
| massAtLaunch | approximately 500 kg ⓘ |
| missionDurationDesign | 2 years ⓘ |
| missionType |
communications mission
ⓘ
multi-purpose mission ⓘ space science mission ⓘ technology demonstration mission ⓘ |
| operator | Canadian Space Agency ⓘ |
| orbitRegime | elliptical orbit ⓘ |
| orbitType | low Earth orbit ⓘ |
| perigeeAltitude | approximately 325 km ⓘ |
| primaryScienceTarget |
Earth’s upper atmosphere
ⓘ
polar ionosphere ⓘ |
| program |
Canadian Small Satellite program
ⓘ
linked to:
Canadian small satellite program
|
| scientificObjective |
study Earth’s ionosphere
ⓘ
study Earth’s thermosphere ⓘ study space weather effects on the upper atmosphere ⓘ |
| spaceAgency | Canadian Space Agency ⓘ |
| status | operational (initial years after launch) ⓘ |
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: CASSIOPE satellite Description of subject: CASSIOPE satellite is a Canadian multi-purpose spacecraft that combines scientific research of Earth’s upper atmosphere with a commercial communications payload.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.