THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - SWOT -
Full Name Surface Water Ocean Topography
aka SWOT
Status Approved
Mission Agencies NASA, CNES, CSA, UKSA Launch Date Apr 2021
Mission Links mission site | data access portal EOL Date Jul 2024
EO Portal Info
Orbit Type Inclined, non-sun-synchronous Orbit Period
Orbit Sense Orbit Inclination 78 deg
Orbit Altitude 891 km Orbit Longitude
Orbit LST Repeat Cycle 21 days
Objectives and Applications 3.5-year nominal mission. Characterize ocean mesoscale and sub-mesoscale circulation at spatial resolutions = 15 km and inventory all terrestrial water bodies with surface area > 250 m2 and rivers with width > 100 m
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields AMR
Liquid water and precipitation rate Ka-band Radar INterferometer (KaRIN)
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements DORIS-NG, GPSP, LRA
LandLandscape topography Ka-band Radar INterferometer (KaRIN)
OceanOcean topography/currents AMR, DORIS-NG, GPSP, Ka-band Radar INterferometer (KaRIN), LRA
Mission Instruments
AMR - Advanced Microwave Radiometer
DORIS-NG - Doppler Orbitography and Radio-positioning Integrated by Satellite-NG
GPSP - Global Positioning System Payload
Ka-band Radar INterferometer (KaRIN) - Ka-band Radar INterferometer (KaRIN)
LRA - Laser Retroreflector Array
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