Ulysses spacecraft
E489150
The Ulysses spacecraft was a joint ESA–NASA mission launched in 1990 to study the Sun’s polar regions and the heliosphere from a unique high-inclination orbit.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ulysses spacecraft canonical | 3 |
| Ulysses mission | 1 |
| Ulysses program | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5043933 — 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: Ulysses spacecraft Context triple: [C/1996 B2, wasObservedBy, Ulysses spacecraft]
-
A.
Hermes spacecraft
The Hermes spacecraft is the advanced interplanetary vessel in Andy Weir’s novel and its film adaptation "The Martian," used by NASA’s Ares crew for travel between Earth and Mars.
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B.
Galileo spacecraft
The Galileo spacecraft was a NASA robotic probe launched in 1989 to study the planet Jupiter and its moons, providing groundbreaking data on the Jovian system.
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C.
Magellan spacecraft
The Magellan spacecraft was a NASA robotic probe launched in 1989 that used radar mapping to produce the first detailed global images of the surface of Venus.
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D.
Voyager 2
Voyager 2 is a NASA space probe launched in 1977 that conducted historic flybys of all four outer giant planets and is now traveling through interstellar space.
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E.
Cassini–Huygens
Cassini–Huygens was a joint NASA/ESA/ASI mission consisting of an orbiter and a lander that studied Saturn and its moons in unprecedented detail, including landing on Titan.
- 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: Ulysses spacecraft Target entity description: The Ulysses spacecraft was a joint ESA–NASA mission launched in 1990 to study the Sun’s polar regions and the heliosphere from a unique high-inclination orbit.
-
A.
Hermes spacecraft
The Hermes spacecraft is the advanced interplanetary vessel in Andy Weir’s novel and its film adaptation "The Martian," used by NASA’s Ares crew for travel between Earth and Mars.
-
B.
Galileo spacecraft
The Galileo spacecraft was a NASA robotic probe launched in 1989 to study the planet Jupiter and its moons, providing groundbreaking data on the Jovian system.
-
C.
Magellan spacecraft
The Magellan spacecraft was a NASA robotic probe launched in 1989 that used radar mapping to produce the first detailed global images of the surface of Venus.
-
D.
Voyager 2
Voyager 2 is a NASA space probe launched in 1977 that conducted historic flybys of all four outer giant planets and is now traveling through interstellar space.
-
E.
Cassini–Huygens
Cassini–Huygens was a joint NASA/ESA/ASI mission consisting of an orbiter and a lander that studied Saturn and its moons in unprecedented detail, including landing on Titan.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
interplanetary probe
ⓘ
solar observation spacecraft ⓘ spacecraft ⓘ |
| agencyProgram | ESA Horizon 2000 program NERFINISHED ⓘ |
| alsoKnownAs | International Solar Polar Mission (early concept) NERFINISHED ⓘ |
| aphelionDistance | about 5.4 AU ⓘ |
| collaboratingAgency | NASA Jet Propulsion Laboratory NERFINISHED ⓘ |
| communicationBand | X-band NERFINISHED ⓘ |
| contactLost | 2009 ⓘ |
| countryOfAgency |
Europe
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| firstSolarNorthPolarPass | 1995 ⓘ |
| firstSolarSouthPolarPass | 1994 ⓘ |
| flyby | Jupiter NERFINISHED ⓘ |
| launchDate | 1990-10-06 ⓘ |
| launchedFrom | STS-41 NERFINISHED ⓘ |
| launchSite | Kennedy Space Center NERFINISHED ⓘ |
| launchVehicle | Space Shuttle Discovery NERFINISHED ⓘ |
| managedBy | ESA Operations Centre NERFINISHED ⓘ |
| manufacturer |
Dornier
NERFINISHED
ⓘ
ESA NERFINISHED ⓘ |
| missionEnd | 2009-06-30 ⓘ |
| missionStart | 1990 ⓘ |
| missionType |
Sun observation mission
ⓘ
heliophysics mission ⓘ |
| namedAfter | mythological hero Ulysses ⓘ |
| operator |
European Space Agency
NERFINISHED
ⓘ
National Aeronautics and Space Administration NERFINISHED ⓘ |
| orbitInclination | high-inclination to the ecliptic ⓘ |
| orbitType | heliocentric orbit ⓘ |
| perihelionDistance | about 1.3 AU ⓘ |
| powerSource | radioisotope thermoelectric generator ⓘ |
| primaryObjective |
study the Sun’s polar regions
ⓘ
study the heliosphere ⓘ |
| scientificDiscipline |
cosmic ray physics
ⓘ
heliophysics ⓘ space plasma physics ⓘ |
| secondSolarNorthPolarPass | 2001 ⓘ |
| secondSolarSouthPolarPass | 2000 ⓘ |
| spacecraftBus | spin-stabilized spacecraft ⓘ |
| spacecraftMass | about 370 kg ⓘ |
| studied |
cosmic rays
ⓘ
heliosphere structure ⓘ interplanetary magnetic field ⓘ interstellar dust ⓘ solar energetic particles ⓘ solar wind ⓘ |
| thirdSolarSouthPolarPass | 2007 ⓘ |
| trajectoryAssist | Jupiter gravity assist ⓘ |
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: Ulysses spacecraft Description of subject: The Ulysses spacecraft was a joint ESA–NASA mission launched in 1990 to study the Sun’s polar regions and the heliosphere from a unique high-inclination orbit.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ulysses mission