THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - Topex-Poseidon -
Full Name Topographic Experiment/Poseidon Status Mission complete
Mission Agencies NASA, CNES Launch Date 10 Aug 1992
Mission Links mission site EOL Date 18 Jan 2006
EO Portal Info
Orbit Type Inclined, non-sun-synchronous Orbit Period 112.4 minutes
Orbit Sense N/A Orbit Inclination 66 deg
Orbit Altitude 1336 km Orbit Longitude
Orbit LST Repeat Cycle 10 days
Objectives and Applications Physical oceanography, geodesy/gravity.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields TMR
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements DORIS, LRA
OceanOcean topography/currents DORIS, LRA, POSEIDON-1 (SSALT-1), TMR, TOPEX
Ocean surface winds POSEIDON-1 (SSALT-1)
Ocean wave height and spectrum POSEIDON-1 (SSALT-1)
Mission Instruments
DORIS - Doppler Orbitography and Radio-positioning Integrated by Satellite
LRA - Laser Retroreflector Array
POSEIDON-1 (SSALT-1) - Positioning Ocean Solid Earth Ice Dynamics Orbiting Navigator (Single frequency solid state radar altimeter)
TMR - TOPEX Microwave Radiometer
TOPEX - TOPEX NASA Radar Altimeter
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