low Earth orbit
E81038
Low Earth orbit is the region of space relatively close to Earth’s surface, commonly used for satellites, space stations, and crewed missions due to its lower altitude and easier access.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Low Earth orbit | 27 |
| low Earth orbit canonical | 2 |
| Earth orbit | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T647295 — 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.
Target entity: low Earth orbit Context triple: [Kennedy Space Center, launchesTo, low Earth orbit]
-
A.
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.
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B.
Orbit
Orbit is a publishing imprint best known for releasing science fiction and fantasy books.
-
C.
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.
-
D.
Vanguard 1 satellite
Vanguard 1 satellite is an early American artificial Earth satellite launched in 1958 that became the fourth human-made object in space and the oldest still in orbit, used primarily for geophysical and atmospheric research.
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E.
Lunar Gateway
The Lunar Gateway is a planned small, crew-tended space station in lunar orbit that will serve as a staging point and research outpost for sustained human exploration of the Moon and beyond.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: low Earth orbit Target entity description: Low Earth orbit is the region of space relatively close to Earth’s surface, commonly used for satellites, space stations, and crewed missions due to its lower altitude and easier access.
-
A.
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.
-
B.
Orbit
Orbit is a publishing imprint best known for releasing science fiction and fantasy books.
-
C.
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.
-
D.
Vanguard 1 satellite
Vanguard 1 satellite is an early American artificial Earth satellite launched in 1958 that became the fourth human-made object in space and the oldest still in orbit, used primarily for geophysical and atmospheric research.
-
E.
Lunar Gateway
The Lunar Gateway is a planned small, crew-tended space station in lunar orbit that will serve as a staging point and research outpost for sustained human exploration of the Moon and beyond.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Earth orbit
ⓘ
near-Earth space environment ⓘ orbital region ⓘ |
| alsoKnownAs | LEO ⓘ |
| hasAbbreviation | LEO ⓘ |
| hasAdvantage |
high spatial resolution for imaging Earth
ⓘ
lower launch energy requirements compared to higher orbits ⓘ shorter communication latency with Earth ⓘ |
| hasCommonWorkingDefinitionLowerBound | 160 kilometers altitude ⓘ |
| hasCommonWorkingDefinitionUpperBound | 2,000 kilometers altitude ⓘ |
| hasDisadvantage |
dense population of space debris
ⓘ
increased atmospheric drag causing orbital decay ⓘ limited field of view of Earth at any given time ⓘ |
| hasOrbitalInclination | varies from equatorial to polar ⓘ |
| hasOrbitalPeriodRange | about 88 to 127 minutes ⓘ |
| hasSubcategory |
equatorial low Earth orbit
ⓘ
polar orbit ⓘ sun-synchronous orbit ⓘ very low Earth orbit ⓘ |
| hasTypicalAltitudeLowerBound | about 160 kilometers above Earth’s surface ⓘ |
| hasTypicalAltitudeUpperBound | about 2,000 kilometers above Earth’s surface ⓘ |
| hasTypicalOrbitalVelocity | about 7.8 kilometers per second ⓘ |
| hosts |
International Space Station program
ⓘ
surface form:
International Space Station
Tiangong space station ⓘ |
| isBelow |
geostationary orbit
ⓘ
geosynchronous orbit ⓘ medium Earth orbit ⓘ |
| isCharacterizedBy |
high orbital velocity
ⓘ
relatively strong Earth gravity ⓘ short orbital periods ⓘ significant atmospheric drag ⓘ |
| isEnvironmentFor |
human spaceflight missions
ⓘ
microgravity experiments ⓘ on-orbit satellite servicing and assembly ⓘ |
| isPartOf | near-Earth space ⓘ |
| isRegionOfConcernFor |
space debris mitigation
ⓘ
space traffic management ⓘ |
| isSubjectOf |
international space law discussions
ⓘ
orbital debris guidelines ⓘ |
| isUsedBy |
commercial space companies
ⓘ
government space agencies ⓘ military space programs ⓘ |
| isUsedFor |
Earth observation
ⓘ
surface form:
Earth observation satellites
communication satellites ⓘ crew transportation missions ⓘ remote sensing satellites ⓘ scientific satellites ⓘ space tourism missions ⓘ technology demonstration satellites ⓘ weather satellites ⓘ |
| orbits | Earth ⓘ |
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.
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.
Subject: low Earth orbit Description of subject: Low Earth orbit is the region of space relatively close to Earth’s surface, commonly used for satellites, space stations, and crewed missions due to its lower altitude and easier access.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.