S3NGT-B Mission

Identifiers3ngt-bNamesSentinel-3 Next Generation Topography BS3NGT-B About identifiers
SeriesSentinel-3sentinel-3

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 Summary

Full Name
Sentinel-3 Next Generation Topography B
Mission Status
Approved
Mission Agencies
ESA, COM, EUMETSAT
Launch Date
Dec 2036
Mission Links
EOL Date
Sep 2046
EO Portal Info

Orbit Details

Orbit Type
Sun-synchronous
Orbit Period
101 minutes
Orbit Sense
Ascending
Orbit Inclination
98.65 deg
Orbit Altitude
807 km
Orbit Longitude
Orbit LST
18:00
Repeat Cycle
27 days
NORAD Catalog #
International Designator

Mission Instruments

Poseidon-4 Altimeter - Poseidon-4 SAR Radar Altimeter s3ngt-b_poseidon-4-altimeter
SAOOH - Swath Altimeter for Oceanography and Operational Hydrology s3ngt-b_saooh

Mission Measurements

CategoryParameterInstrument(s)
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements Poseidon-4 Altimeter
LandLandscape topography Poseidon-4 Altimeter
Multi-purpose imagery (land) SAOOH
Inland Waters SAOOH
OceanOcean topography/currents Poseidon-4 Altimeter, SAOOH
Ocean surface winds Poseidon-4 Altimeter, SAOOH
Ocean wave height and spectrum Poseidon-4 Altimeter, SAOOH
Snow & IceIce sheet topography SAOOH
Sea ice cover, edge and thickness SAOOH

OpenSearch Datasets

No IDN OpenSearch datasets found.
Copyright © CEOS 2026 · Data licence: CC BY 4.0