THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Tropical Rainfall Measuring Mission Status Mission complete
Mission Agencies NASA, JAXA Launch Date 27 Nov 1997
Mission Links mission site | mission site | data access portal | data access portal EOL Date 08 Apr 2015
EO Portal Info
Orbit Type Inclined, non-sun-synchronous Orbit Period 93.5 minutes
Orbit Sense N/A Orbit Inclination 35 deg
Orbit Altitude 405 km Orbit Longitude
Orbit LST N/A Repeat Cycle
Objectives and Applications 3-year nominal mission life, currently in extended operations. NASA has ceased station keeping maneuvers and TRMM has begun its drift downward from its operating altitude of 402 km. Atmospheric dynamics/water and energy cycles.
Mission Measurements
AtmosphereAtmospheric Humidity Fields TMI
Atmospheric Winds PR
Cloud type, amount and cloud top temperature VIRS
Cloud particle properties and profile PR, TMI
Liquid water and precipitation rate PR, TMI
Radiation budget CERES, VIRS
Lightning Detection LIS
LandSoil moisture TMI
OceanOcean surface winds TMI
Surface temperature (ocean) TMI
Multi-purpose imagery (ocean) VIRS
Mission Instruments
CERES - Cloud and the Earth's Radiant Energy System
LIS - Lightning Imaging Sensor
PR - Precipitation Radar
TMI - TRMM Microwave Imager
VIRS - Visible Infra-red Scanner
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