HEOS-1
E422017
HEOS-1 was a European Space Research Organisation scientific satellite launched in 1968 to study Earth's magnetosphere and interplanetary space.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HEOS-1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4214718 — 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: HEOS-1 Context triple: [European Space Research Organisation, notableMission, HEOS-1]
-
A.
Denon Wing
Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
-
B.
B&O Warehouse
B&O Warehouse is a historic former railroad warehouse in Baltimore that forms the iconic brick backdrop beyond the right-field wall at Oriole Park at Camden Yards.
-
C.
He-O
He-O is a musical track by the Greek composer Vangelis, featured on his 1979 electronic and progressive album "Earth."
-
D.
CSO Resound
CSO Resound is the in-house record label of the Chicago Symphony Orchestra, created to release the orchestra’s own performances and recordings.
-
E.
Keos
Keos is the ancient Greek name for the Aegean island now known as Kea, part of the Cyclades archipelago.
- 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: HEOS-1 Target entity description: HEOS-1 was a European Space Research Organisation scientific satellite launched in 1968 to study Earth's magnetosphere and interplanetary space.
-
A.
Denon Wing
Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
-
B.
B&O Warehouse
B&O Warehouse is a historic former railroad warehouse in Baltimore that forms the iconic brick backdrop beyond the right-field wall at Oriole Park at Camden Yards.
-
C.
He-O
He-O is a musical track by the Greek composer Vangelis, featured on his 1979 electronic and progressive album "Earth."
-
D.
CSO Resound
CSO Resound is the in-house record label of the Chicago Symphony Orchestra, created to release the orchestra’s own performances and recordings.
-
E.
Keos
Keos is the ancient Greek name for the Aegean island now known as Kea, part of the Cyclades archipelago.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Earth-orbiting satellite
ⓘ
scientific satellite ⓘ spacecraft ⓘ |
| alsoKnownAs | Highly Eccentric Orbit Satellite 1 ONNED1 ⓘ |
| apoapsis | about 240000 km ⓘ |
| attitudeControl | spin-stabilized ⓘ |
| belongsTo | European space science missions ⓘ |
| carriedInstrument |
cosmic-ray detector
ⓘ
magnetometer ⓘ particle detector ⓘ plasma detector ⓘ |
| countryOfOperator | Europe NERFINISHED ⓘ |
| epochOfOrbit | 1968 ⓘ |
| followedBy | HEOS-2 ONNED1 ⓘ |
| inclination | about 28 degrees ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 1968-12-05 ⓘ |
| launchSite |
Cape Canaveral Air Force Station
NERFINISHED
ⓘ
Cape Kennedy NERFINISHED ⓘ |
| launchVehicle | Thor-Delta ONNED1 ⓘ |
| launchYear | 1968 ⓘ |
| mass | approximately 300 kg ⓘ |
| missionType |
interplanetary space research
ⓘ
magnetospheric research ⓘ |
| operator |
ESRO
ONNED1
ⓘ
European Space Research Organisation NERFINISHED ⓘ |
| orbitType | highly elliptical Earth orbit ⓘ |
| periapsis | about 500 km ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
study Earth’s magnetosphere
ⓘ
study interplanetary space ⓘ |
| program | HEOS programme ⓘ |
| spaceAgency | European Space Research Organisation NERFINISHED ⓘ |
| spacecraftBus | HEOS bus ONNED1 ⓘ |
| status | mission completed ⓘ |
| studied |
Earth’s bow shock
ONNED1
ⓘ
Earth’s magnetotail ONNED1 ⓘ cosmic rays ⓘ interplanetary magnetic field ⓘ solar wind ⓘ |
| wasFirstOf | HEOS series NERFINISHED ⓘ |
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: HEOS-1 Description of subject: HEOS-1 was a European Space Research Organisation scientific satellite launched in 1968 to study Earth's magnetosphere and interplanetary space.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.