Tropical Rainfall Measuring Mission
E399074
The Tropical Rainfall Measuring Mission (TRMM) was a joint NASA–JAXA satellite mission launched in 1997 to measure tropical and subtropical rainfall and improve understanding of the global water and energy cycle.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Tropical Rainfall Measuring Mission canonical | 2 |
| Precipitation Radar | 1 |
| TRMM | 1 |
| TRMM Microwave Imager | 1 |
| TRMM satellite | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3918777 — 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: Tropical Rainfall Measuring Mission Context triple: [Global Precipitation Measurement mission core observatory, improvesUpon, Tropical Rainfall Measuring Mission]
-
A.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
B.
Global Precipitation Measurement mission core observatory
The Global Precipitation Measurement mission core observatory is a joint NASA–JAXA satellite designed to provide highly accurate, global measurements of rain and snow to improve weather forecasting and climate research.
-
C.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
-
D.
NOAA-20
NOAA-20 is a U.S. polar-orbiting weather and environmental satellite operated by NOAA that provides critical data for global weather forecasting and climate monitoring.
-
E.
Geostationary Operational Environmental Satellite program
The Geostationary Operational Environmental Satellite (GOES) program is a series of U.S. weather satellites in geostationary orbit that provide continuous monitoring of atmospheric, oceanic, and environmental conditions for forecasting and research.
- 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: Tropical Rainfall Measuring Mission Target entity description: The Tropical Rainfall Measuring Mission (TRMM) was a joint NASA–JAXA satellite mission launched in 1997 to measure tropical and subtropical rainfall and improve understanding of the global water and energy cycle.
-
A.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
B.
Global Precipitation Measurement mission core observatory
The Global Precipitation Measurement mission core observatory is a joint NASA–JAXA satellite designed to provide highly accurate, global measurements of rain and snow to improve weather forecasting and climate research.
-
C.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
-
D.
NOAA-20
NOAA-20 is a U.S. polar-orbiting weather and environmental satellite operated by NOAA that provides critical data for global weather forecasting and climate monitoring.
-
E.
Geostationary Operational Environmental Satellite program
The Geostationary Operational Environmental Satellite (GOES) program is a series of U.S. weather satellites in geostationary orbit that provide continuous monitoring of atmospheric, oceanic, and environmental conditions for forecasting and research.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Earth observation satellite mission
ⓘ
joint NASA–JAXA mission ⓘ |
| abbreviation |
Tropical Rainfall Measuring Mission
self-linksurface differs
ⓘ
surface form:
TRMM
|
| agencyProgram |
ALOS Earth observation satellites
ⓘ
surface form:
JAXA Earth observation program
NASA Earth Science Division ⓘ
surface form:
NASA Earth Science program
|
| contributedTo |
calibration of other satellite rainfall estimates
ⓘ
understanding of global precipitation patterns ⓘ |
| country |
Japan
ⓘ
United States of America ⓘ
surface form:
United States
|
| coverageRegion |
subtropical regions
ⓘ
tropical regions ⓘ |
| dataUse |
climate variability studies
ⓘ
flood and landslide monitoring ⓘ global precipitation climatology ⓘ hurricane and typhoon research ⓘ numerical weather prediction model improvement ⓘ |
| deorbitDate | 2015-06-15 ⓘ |
| endOfScienceOperations | 2015-04 ⓘ |
| instrument |
Clouds and the Earth’s Radiant Energy System
ⓘ
Lightning Imaging Sensor ⓘ Tropical Rainfall Measuring Mission self-linksurface differs ⓘ
surface form:
Precipitation Radar
TRMM Microwave Imager ⓘ Visible Infrared Imaging Radiometer Suite ⓘ
surface form:
Visible and Infrared Scanner
|
| launchCountry | Japan ⓘ |
| launchDate | 1997-11-27 ⓘ |
| launchSite | Tanegashima Space Center ⓘ |
| launchVehicle |
H-II rocket family
ⓘ
surface form:
H-II rocket
|
| launchYear | 1997 ⓘ |
| missionType |
climate research
ⓘ
meteorology ⓘ precipitation measurement ⓘ |
| notableFeature | first spaceborne precipitation radar ⓘ |
| objective |
improve understanding of the global energy cycle
ⓘ
improve understanding of the global water cycle ⓘ |
| operator |
Japan Aerospace Exploration Agency
ⓘ
surface form:
JAXA
NASA ⓘ |
| orbitInclination | 35 degrees ⓘ |
| orbitRegime | tropical ⓘ |
| orbitType | low Earth orbit ⓘ |
| primaryObjective | measure tropical and subtropical rainfall ⓘ |
| scientificDiscipline |
atmospheric science
ⓘ
climatology ⓘ hydrology ⓘ |
| status | decommissioned ⓘ |
| successorMission |
Global Precipitation Measurement mission core observatory
ⓘ
surface form:
Global Precipitation Measurement
|
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: Tropical Rainfall Measuring Mission Description of subject: The Tropical Rainfall Measuring Mission (TRMM) was a joint NASA–JAXA satellite mission launched in 1997 to measure tropical and subtropical rainfall and improve understanding of the global water and energy cycle.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
Global Precipitation Measurement mission core observatory
→
improvesUpon
→
Tropical Rainfall Measuring Mission
ⓘ
this entity surface form:
TRMM Microwave Imager
Tropical Rainfall Measuring Mission
→
abbreviation
→
Tropical Rainfall Measuring Mission
self-linksurface differs
ⓘ
this entity surface form:
TRMM
Tropical Rainfall Measuring Mission
→
instrument
→
Tropical Rainfall Measuring Mission
self-linksurface differs
ⓘ
this entity surface form:
Precipitation Radar