Pleiades Earth observation satellites
E239152
Earth observation satellite
Earth observation satellite constellation
optical imaging satellite system
The Pleiades Earth observation satellites are a pair of high-resolution French optical imaging spacecraft that provide detailed, frequently updated views of the Earth's surface for civilian and defense applications.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pleiades Earth observation satellites canonical | 1 |
| Pleiades-1A | 1 |
| Pleiades-1B | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2169401 — 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: Pleiades Earth observation satellites Context triple: [CNES, notableProgram, Pleiades Earth observation satellites]
-
A.
COSMIC-2 constellation satellites
The COSMIC-2 constellation satellites are a group of Earth-observing spacecraft designed primarily for advanced atmospheric and ionospheric profiling to improve global weather forecasting and space weather monitoring.
-
B.
ALOS Earth observation satellites
ALOS Earth observation satellites are Japanese remote-sensing spacecraft designed to collect high-resolution imagery and data for mapping, disaster monitoring, and environmental observation.
-
C.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
D.
Deep Space Climate Observatory
The Deep Space Climate Observatory (DSCOVR) is a NOAA and NASA satellite positioned at the Sun–Earth L1 Lagrange point that continuously monitors solar wind conditions and provides real-time space weather and Earth observation data.
-
E.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
- 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: Pleiades Earth observation satellites Target entity description: The Pleiades Earth observation satellites are a pair of high-resolution French optical imaging spacecraft that provide detailed, frequently updated views of the Earth's surface for civilian and defense applications.
-
A.
COSMIC-2 constellation satellites
The COSMIC-2 constellation satellites are a group of Earth-observing spacecraft designed primarily for advanced atmospheric and ionospheric profiling to improve global weather forecasting and space weather monitoring.
-
B.
ALOS Earth observation satellites
ALOS Earth observation satellites are Japanese remote-sensing spacecraft designed to collect high-resolution imagery and data for mapping, disaster monitoring, and environmental observation.
-
C.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
D.
Deep Space Climate Observatory
The Deep Space Climate Observatory (DSCOVR) is a NOAA and NASA satellite positioned at the Sun–Earth L1 Lagrange point that continuously monitors solar wind conditions and provides real-time space weather and Earth observation data.
-
E.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Earth observation satellite
ⓘ
Earth observation satellite ⓘ Earth observation satellite constellation ⓘ optical imaging satellite system ⓘ |
| altitude | approximately 694 km ⓘ |
| canPerform |
stereo imaging
ⓘ
tri-stereo imaging ⓘ |
| countryOfOrigin | France ⓘ |
| dataPolicy | commercial with governmental access ⓘ |
| groundSampleDistanceMultispectral | about 2 m ⓘ |
| groundSampleDistancePanchromatic | about 0.5 m ⓘ |
| hasComponent |
Pleiades Earth observation satellites
self-linksurface differs
ⓘ
surface form:
Pleiades-1A
Pleiades Earth observation satellites self-linksurface differs ⓘ
surface form:
Pleiades-1B
|
| imageDistribution | Airbus OneAtlas platform ⓘ |
| inclination | approximately 98 degrees ⓘ |
| launchDate |
2011-12-17
ⓘ
2012-12-02 ⓘ |
| launchSite |
Guiana Space Centre
ⓘ
Guiana Space Centre ⓘ Guiana Space Centre ⓘ |
| launchVehicle |
Soyuz rocket
ⓘ
surface form:
Soyuz-ST-A
Soyuz-Fregat ⓘ
surface form:
Soyuz-ST-A
Soyuz-Fregat ⓘ
surface form:
Soyuz-ST-A
|
| manufacturer |
Airbus
ⓘ
surface form:
Airbus Defence and Space
|
| namingInspiredBy |
Pleiades
ⓘ
surface form:
Pleiades star cluster
|
| operator |
Astrium
ⓘ
surface form:
Airbus Defence and Space
CNES ⓘ |
| orbits | Sun-synchronous orbit ⓘ |
| partOf | French-Italian ORFEO system ⓘ |
| programStart | early 2000s ⓘ |
| relatedTo | COSMO-SkyMed ⓘ |
| revisitTime | daily at mid-latitudes with constellation ⓘ |
| spectralBands |
blue
ⓘ
green ⓘ near-infrared ⓘ panchromatic ⓘ red ⓘ |
| successor | Pléiades Neo ⓘ |
| swathWidth | approximately 20 km at nadir ⓘ |
| uses |
Earth surface monitoring
ⓘ
agricultural monitoring ⓘ cartography ⓘ civilian Earth observation ⓘ crisis management ⓘ defense reconnaissance ⓘ environmental monitoring ⓘ high-resolution optical imaging ⓘ urban planning ⓘ |
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: Pleiades Earth observation satellites Description of subject: The Pleiades Earth observation satellites are a pair of high-resolution French optical imaging spacecraft that provide detailed, frequently updated views of the Earth's surface for civilian and defense applications.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Pleiades Earth observation satellites
→
hasComponent
→
Pleiades Earth observation satellites
self-linksurface differs
ⓘ
this entity surface form:
Pleiades-1A
Pleiades Earth observation satellites
→
hasComponent
→
Pleiades Earth observation satellites
self-linksurface differs
ⓘ
this entity surface form:
Pleiades-1B