Lunar Reconnaissance Orbiter Mini-RF instrument
E898951
The Lunar Reconnaissance Orbiter Mini-RF instrument is a synthetic aperture radar payload designed to map the Moon’s surface and search for water ice, particularly in permanently shadowed polar regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lunar Reconnaissance Orbiter Mini-RF instrument canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11001288 — 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: Lunar Reconnaissance Orbiter Mini-RF instrument Context triple: [Mini-SAR, relatedTo, Lunar Reconnaissance Orbiter Mini-RF instrument]
-
A.
Moon Mineralogy Mapper
Moon Mineralogy Mapper is a NASA-designed imaging spectrometer that mapped the Moon’s surface composition in detail, notably helping confirm the presence of water and hydroxyl on the lunar surface.
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B.
Lunar Reconnaissance Orbiter
Lunar Reconnaissance Orbiter is a NASA robotic spacecraft launched in 2009 to map the Moon’s surface in high detail and search for resources such as water ice.
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C.
Long Range Reconnaissance Imager
Long Range Reconnaissance Imager is the high-resolution telescopic camera aboard NASA's New Horizons spacecraft, designed to capture detailed images of distant solar system objects such as Pluto and Kuiper Belt targets.
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D.
LCROSS
LCROSS (Lunar Crater Observation and Sensing Satellite) was a NASA impactor mission designed to search for water ice by crashing into a permanently shadowed crater near the Moon’s south pole and analyzing the resulting debris plume.
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E.
Lunar Prospector
Lunar Prospector was a NASA lunar orbiter mission that mapped the Moon’s surface composition and gravity field and provided strong evidence for the presence of water ice at the lunar poles.
- 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: Lunar Reconnaissance Orbiter Mini-RF instrument Target entity description: The Lunar Reconnaissance Orbiter Mini-RF instrument is a synthetic aperture radar payload designed to map the Moon’s surface and search for water ice, particularly in permanently shadowed polar regions.
-
A.
Moon Mineralogy Mapper
Moon Mineralogy Mapper is a NASA-designed imaging spectrometer that mapped the Moon’s surface composition in detail, notably helping confirm the presence of water and hydroxyl on the lunar surface.
-
B.
Lunar Reconnaissance Orbiter
Lunar Reconnaissance Orbiter is a NASA robotic spacecraft launched in 2009 to map the Moon’s surface in high detail and search for resources such as water ice.
-
C.
Long Range Reconnaissance Imager
Long Range Reconnaissance Imager is the high-resolution telescopic camera aboard NASA's New Horizons spacecraft, designed to capture detailed images of distant solar system objects such as Pluto and Kuiper Belt targets.
-
D.
LCROSS
LCROSS (Lunar Crater Observation and Sensing Satellite) was a NASA impactor mission designed to search for water ice by crashing into a permanently shadowed crater near the Moon’s south pole and analyzing the resulting debris plume.
-
E.
Lunar Prospector
Lunar Prospector was a NASA lunar orbiter mission that mapped the Moon’s surface composition and gravity field and provided strong evidence for the presence of water ice at the lunar poles.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lunar orbiter payload
ⓘ
synthetic aperture radar instrument ⓘ |
| abbreviation | Mini-RF NERFINISHED ⓘ |
| application |
characterization of impact craters
ⓘ
identification of potential landing sites ⓘ support for future lunar resource utilization ⓘ |
| capability |
high-resolution imaging of lunar poles
ⓘ
hybrid dual-polarization measurements ⓘ measure circular polarization ratio ⓘ |
| dataProduct |
circular polarization ratio maps
ⓘ
radar backscatter maps of lunar surface ⓘ topographic information from radar imaging ⓘ |
| designedFor | operation in permanently shadowed lunar craters ⓘ |
| fieldOfStudy |
lunar geology
ⓘ
lunar volatile deposits ⓘ planetary radar science ⓘ |
| frequencyBand |
S-band
ⓘ
X-band ⓘ |
| fullName | Miniature Radio Frequency instrument ⓘ |
| heritage | based on Mini-SAR flown on Chandrayaan-1 ⓘ |
| hostSpacecraft | Lunar Reconnaissance Orbiter spacecraft NERFINISHED ⓘ |
| instrumentType |
hybrid-polarimetric SAR
ⓘ
miniature radio frequency radar ⓘ |
| launchDate | 2009-06-18 ⓘ |
| launchSite | Cape Canaveral Air Force Station Space Launch Complex 41 NERFINISHED ⓘ |
| launchVehicle | Atlas V 401 NERFINISHED ⓘ |
| mission | Lunar Reconnaissance Orbiter mission NERFINISHED ⓘ |
| observationRegion |
lunar north polar region
ⓘ
lunar south polar region ⓘ |
| operator | NASA ⓘ |
| orbitType | lunar polar orbit ⓘ |
| partOf | Lunar Reconnaissance Orbiter NERFINISHED ⓘ |
| primaryObjective |
characterize permanently shadowed regions at lunar poles
ⓘ
map lunar surface using radar ⓘ search for water ice on the Moon ⓘ |
| relatedMission | Chandrayaan-1 Mini-SAR instrument NERFINISHED ⓘ |
| scientificGoal |
detect potential water ice deposits in polar craters
ⓘ
determine dielectric properties of lunar regolith ⓘ study lunar surface roughness at radar wavelengths ⓘ |
| spaceAgency |
Johns Hopkins University Applied Physics Laboratory
NERFINISHED
ⓘ
NASA Goddard Space Flight Center NERFINISHED ⓘ |
| status | operational during early LRO mission phase ⓘ |
| targetBody | Moon NERFINISHED ⓘ |
| technique |
bistatic radar observations
ⓘ
synthetic aperture radar imaging ⓘ |
| wavelength |
S-band radar wavelength ~12.6 cm
ⓘ
X-band radar wavelength ~4.2 cm ⓘ |
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: Lunar Reconnaissance Orbiter Mini-RF instrument Description of subject: The Lunar Reconnaissance Orbiter Mini-RF instrument is a synthetic aperture radar payload designed to map the Moon’s surface and search for water ice, particularly in permanently shadowed polar regions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.