Lissajous orbit
E290066
A Lissajous orbit is a stable, looping three-dimensional trajectory around a Lagrange point, commonly used by space observatories to maintain a relatively constant position with respect to Earth and the Sun.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lissajous orbit canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2705991 — 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: Lissajous orbit Context triple: [Sun–Earth L2, typicalOrbit, Lissajous orbit]
-
A.
Laplace resonance
Laplace resonance is a three-body orbital resonance in which the orbital periods of Jupiter’s moons Io, Europa, and Ganymede are linked in a precise 1:2:4 ratio, strongly affecting their dynamics and internal heating.
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B.
Orbit
Orbit is a publishing imprint best known for releasing science fiction and fantasy books.
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C.
Orbit
Orbit is the fuzzy green alien mascot of the Houston Astros, known for his playful antics and fan-friendly entertainment at the team’s baseball games.
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D.
Sun–Earth L1 Lagrange point
The Sun–Earth L1 Lagrange point is a gravitationally stable location between the Earth and the Sun where spacecraft can maintain a relatively fixed position with minimal fuel, ideal for continuous solar and space weather observations.
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E.
Sun–Earth L2
Sun–Earth L2 is a gravitationally stable point in space located beyond Earth's orbit where the combined gravity of the Sun and Earth allows spacecraft, such as the James Webb Space Telescope, to maintain a relatively constant position with minimal fuel use.
- 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: Lissajous orbit Target entity description: A Lissajous orbit is a stable, looping three-dimensional trajectory around a Lagrange point, commonly used by space observatories to maintain a relatively constant position with respect to Earth and the Sun.
-
A.
Laplace resonance
Laplace resonance is a three-body orbital resonance in which the orbital periods of Jupiter’s moons Io, Europa, and Ganymede are linked in a precise 1:2:4 ratio, strongly affecting their dynamics and internal heating.
-
B.
Orbit
Orbit is a publishing imprint best known for releasing science fiction and fantasy books.
-
C.
Orbit
Orbit is the fuzzy green alien mascot of the Houston Astros, known for his playful antics and fan-friendly entertainment at the team’s baseball games.
-
D.
Sun–Earth L1 Lagrange point
The Sun–Earth L1 Lagrange point is a gravitationally stable location between the Earth and the Sun where spacecraft can maintain a relatively fixed position with minimal fuel, ideal for continuous solar and space weather observations.
-
E.
Sun–Earth L2
Sun–Earth L2 is a gravitationally stable point in space located beyond Earth's orbit where the combined gravity of the Sun and Earth allows spacecraft, such as the James Webb Space Telescope, to maintain a relatively constant position with minimal fuel use.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
orbit type
ⓘ
spaceflight trajectory ⓘ |
| advantage |
provides continuous view of Sun or deep space
ⓘ
provides stable communication geometry with Earth ⓘ provides stable thermal environment ⓘ reduces Earth eclipses of Sun ⓘ |
| describedBy |
nonlinear dynamical systems theory
ⓘ
three-body problem equations of motion ⓘ |
| hasDimension | three-dimensional trajectory ⓘ |
| hasProperty |
does not close on itself exactly
ⓘ
large amplitude motion around Lagrange point ⓘ looping trajectory ⓘ quasi-periodic ⓘ requires station-keeping maneuvers ⓘ stable in linear approximation ⓘ |
| isBasedOn | restricted three-body problem ⓘ |
| isPartOf |
astrodynamics
ⓘ
mission design for Lagrange point missions ⓘ |
| isRelatedTo |
L1 point
ⓘ
L2 ⓘ
surface form:
L2 point
Lagrange points ⓘ
surface form:
Lagrange point
Lagrangian mechanics ⓘ
surface form:
Lagrangian dynamics
Lissajous curve ⓘ halo orbit ⓘ |
| isUsedAt |
Earth–Moon L1 point
ⓘ
Earth–Moon L2 point ⓘ Sun–Earth L1 Lagrange point ⓘ
surface form:
Sun–Earth L1 point
Sun–Earth L2 ⓘ
surface form:
Sun–Earth L2 point
|
| isUsedBy |
space observatories
ⓘ
space telescopes ⓘ |
| isUsedFor |
astrophysics missions
ⓘ
continuous deep-space observation ⓘ continuous solar observation ⓘ cosmology missions ⓘ heliophysics missions ⓘ spacecraft station-keeping near Lagrange points ⓘ |
| maintains | relatively constant position with respect to Earth and Sun ⓘ |
| namedAfter | Jules Antoine Lissajous ⓘ |
| orbitsAround |
Lagrange points
ⓘ
surface form:
Lagrange point
|
| requires |
low but continuous station-keeping thrust
ⓘ
precise navigation ⓘ |
| wasUsedBy |
Gaia observatory
ⓘ
surface form:
Gaia spacecraft
Herschel Space Observatory ⓘ James Webb Space Telescope ⓘ Planck spacecraft ⓘ SOHO mission ⓘ
surface form:
SOHO spacecraft
WMAP ⓘ
surface form:
WMAP spacecraft
|
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: Lissajous orbit Description of subject: A Lissajous orbit is a stable, looping three-dimensional trajectory around a Lagrange point, commonly used by space observatories to maintain a relatively constant position with respect to Earth and the Sun.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Sun–Earth L2