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Sentinel-6/Michael Freilich consists of two identical satellites that launched five years apart, each equipped to measure sea surface height as well as temperature and humidity in the troposphere. 

Learn more about Sentinel-6/Michael Freilich

Type

Earth Observation Satellite

Data Center

ASF DAAC
PO.DAAC

Launch

November 21, 2020

Objective

Measure sea surface height
Sentinel-6/Michael Freilich Partners
NASA developed Sentinel-6/Michael Freilich with the European Space Agency, the European Organisation for the Exploitation of Meteorological Satellites, and the National Oceanic and Atmospheric Administration. The European Commission and The Centre National d'Etudes Spatiales are also providing funding support.
Learn more about Sentinel-6/Michael Freilich
Instrument NameOperational Date(s)Spectral ResolutionType of Instrument
Poseidon-4 Radar Altimeter2020
  • Ku-band: central frequency of 13.575 GHz and a total bandwidth of 320 MHz
  • C-band: central frequency of 5.41 GHz and a total bandwidth of 320 MHz
Radar Altimeter
Advanced Microwave Radiometer-C (AMR-C)20203 Bands: 18.7, 23.8 and 34 GHz. With additional experimental high-frequency channels (90, 130, 168 GHz)Radiometer
Global Navigation Satellite System - Radio Occultation (GNSS-RO)2020 Position/Navigation
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS)2020 Radio
Laser Retroreflector Array (LRA)2020 Laser Ranging

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