THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - Terra -
Full Name Terra (formerly EOS AM-1)
aka EOS AM-1
Status Currently being flown
Mission Agencies NASA, CSA, METI Launch Date 18 Dec 1999
Mission Links mission site | data access portal EOL Date Sep 2017
EO Portal Info
Orbit Type Sun-synchronous Orbit Period 99 minutes
Orbit Sense Descending Orbit Inclination 98.2 deg
Orbit Altitude 705 km Orbit Longitude
Orbit LST 10:30 Repeat Cycle 16 days
Objectives and Applications 6-year nominal mission life, currently in extended operations. Atmospheric dynamics/water and energy cycles, atmospheric chemistry, physical and radiative properties of clouds, air-land exchanges of energy, carbon and water, vertical profiles of CO and methane vulcanology.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAerosols MISR, MODIS
Atmospheric Humidity Fields MODIS
Atmospheric Winds MISR
Cloud type, amount and cloud top temperature ASTER, MISR, MODIS
Cloud particle properties and profile MODIS
Ozone MODIS
Radiation budget ASTER, CERES, MISR, MODIS
Trace gases (excluding ozone) MOPITT
Atmospheric Temperature Fields MODIS
LandAlbedo and reflectance ASTER, MISR, MODIS
Landscape topography ASTER
Vegetation MISR, MODIS
Surface temperature (land) ASTER, MODIS
Multi-purpose imagery (land) ASTER, MODIS
OceanOcean colour/biology MISR, MODIS
Surface temperature (ocean) MODIS
Multi-purpose imagery (ocean) MODIS
Snow & IceIce sheet topography ASTER
Snow cover, edge and depth MODIS
Sea ice cover, edge and thickness ASTER, MODIS
Mission Instruments
ASTER - Advanced Spaceborne Thermal Emission and Reflection Radiometer
CERES - Cloud and the Earth's Radiant Energy System
MISR - Multi-angle Imaging SpectroRadiometer
MODIS - MODerate-Resolution Imaging Spectroradiometer
MOPITT - Measurements Of Pollution In The Troposphere
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