CEOS EO HANDBOOK – MISSION SUMMARY - SWOT -
Full Name Surface Water Ocean Topography Status Commissioning
Mission Agencies NASA, CNES, CSA, UKSA Launch Date 14 Dec 2022
Mission Links mission site | data access portal EOL Date Nov 2025
EO Portal Info NORAD Catalog # 54754 (TLE)
International Designator 2022-173A
Orbit Type Inclined, non-sun-synchronous Orbit Period 102.8 minutes
Orbit Sense N/A Orbit Inclination 77.6 deg
Orbit Altitude 891 km Orbit Longitude
Orbit LST Repeat Cycle 21 days
Objectives and Applications 3 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-S
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements GPSP, LRA, POSEIDON-3C Altimeter
LandLandscape topography Ka-band Radar INterferometer (KaRIN), POSEIDON-3C Altimeter
Inland Waters Ka-band Radar INterferometer (KaRIN)
OceanOcean topography/currents AMR-S, GPSP, Ka-band Radar INterferometer (KaRIN), LRA, POSEIDON-3C Altimeter
Ocean surface winds POSEIDON-3C Altimeter
Ocean wave height and spectrum POSEIDON-3C Altimeter
Mission Instruments
AMR-S - AMR-S Two-Beam Microwave Radiometer
DGXX-S - Doppler Orbitography and Radio-positioning Integrated by Satellite-New Generation XX-S
GPSP - Global Positioning System Payload
Ka-band Radar INterferometer (KaRIN) - Ka-band Radar INterferometer (KaRIN)
LRA - Laser Retroreflector Array
POSEIDON-3C Altimeter - Positioning Ocean Solid Earth Ice Dynamics Orbiting Navigator (Single frequency solid state radar altimeter)
OpenSearch Datasets Selected IDN OpenSearch Results (search all 33 )
SWOT Level 1B High-Rate Single-look Complex Data Product, Version 1.1
SWOT Level 1B Low-Rate Interferogram Data Product, Version 1.0
SWOT Level 1B Low-Rate Interferogram Data Product, Version 1.1
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product, Version 1.0
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product, Version 1.1
SWOT Level 2 Lake Single-Pass Vector Data Product, Version 1.1
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - GDR
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SGDR
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SSHA

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