CEOS EO HANDBOOK – MISSION SUMMARY - S3NGT-A -
Full Name Sentinel-3 Next Generation Topography A Status Planned
Mission Agencies ESA, COM, EUMETSAT Launch Date 2033
Mission Links EOL Date 2041
EO Portal Info NORAD Catalog #
International Designator
Orbit Type Sun-synchronous Orbit Period 100.99 minutes
Orbit Sense Orbit Inclination 98.65 deg
Orbit Altitude 814 km Orbit Longitude
Orbit LST 18:00 Repeat Cycle 27 days
Objectives and Applications The S3NGT mission aims at providing continuity of the Copernicus Sentinel-3 radar altimetry, while increasing the quantity and quality of products and service. The mission will incorporate both a nadir and a wide swath altimeters to provide enhanced continuity of initial first generation observations.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields AMR-CR
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements Poseidon-5 Altimeter
LandLandscape topography Poseidon-5 Altimeter
OceanOcean topography/currents AMR-CR, Poseidon-5 Altimeter, SAOOH
Ocean surface winds Poseidon-5 Altimeter, SAOOH
Ocean wave height and spectrum Poseidon-5 Altimeter, SAOOH
Mission Instruments
AMR-CR - Advanced Microwave Radiometer for Climate
Poseidon-5 Altimeter - Poseidon-5 SAR Radar Altimeter
SAOOH - Swath Altimeter for Oceanography and Operational Hydrology
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