CEOS EO HANDBOOK – MISSION SUMMARY
- Terra
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Full Name
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Terra (formerly EOS AM-1)
aka EOS AM-1
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Status
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Currently being flown
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Mission Agencies
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NASA , CSA , METI
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Launch Date
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18 Dec 1999
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Mission Links
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mission site | data access portal
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EOL Date
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Sep 2019
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EO Portal Info
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Orbit Type
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Sun-synchronous
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Orbit Period
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99 minutes
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Orbit Sense
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Descending
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Orbit Inclination
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98.2 deg
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Orbit Altitude
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705 km
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Orbit Longitude
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Orbit LST
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10:30
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Repeat Cycle
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16 days
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Objectives and Applications
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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.
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Mission Measurements
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| Category | Parameter | Instrument(s) |
| Atmosphere | Aerosols | 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 |
| Land | Albedo and reflectance | ASTER, MISR, MODIS |
| Landscape topography | ASTER |
| Vegetation | MISR, MODIS |
| Surface temperature (land) | ASTER, MODIS |
| Multi-purpose imagery (land) | ASTER, MODIS |
| Ocean | Ocean colour/biology | MISR, MODIS |
| Surface temperature (ocean) | MODIS |
| Multi-purpose imagery (ocean) | MODIS |
| Snow & Ice | Ice sheet topography | ASTER |
| Snow cover, edge and depth | MODIS |
| Sea ice cover, edge and thickness | ASTER, MODIS |
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Mission Instruments
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