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Sentinel-6/Jason-CS

Sentinel-6/Jason-CS (Continuity of Service)

Active Mission

Sentinel-6/Jason-CS (Continuity of Service) includes two identical satellites with the first launched Nov. 21, 2020 (Sentinel-6 Michael Freilich), and the second (6B) scheduled for launch in later 2025. Like their predecessors, these satellites will provide ongoing measurements of global sea level rise. Like their predecessors, these satellites will provide ongoing measurements of global sea levels.

Type

Orbiter

Launch

Sentinel-6 Michael Freilich: Nov. 21, 2020 | Sentinel-6B: 2025

Target

Earth

Objective

Measure ocean surface topography

Sentinel-6 News and Articles

Stay up-to-date with the latest content about the Sentinel-6 missions.

El Niño Is Underway
4 min read

Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June.

Jun 18, 2026
Article
International Sea Level Satellite Observes El Niño Precursor
2 min read

Description Sea level height data from the international Sentinel-6 Michael Freilich satellite collected from March to May 2026 show higher,…

Jun 3, 2026
Article
NASA-European Sea Level Mission Homes in on El Niño
5 min read

Sea level data from a satellite launched by NASA and European partners shows that a swell of warm water hundreds…

May 27, 2026
Article
NASA Analysis Shows La Niña Limited Sea Level Rise in 2025
4 min read

A mild La Niña caused greater rainfall over the Amazon basin, which offset rising sea levels due to record warming…

Jan 29, 2026
Article
NASA, Partners Share First Data From New US-European Sea Satellite
5 min read

Launched in November, Sentinel-6B will track ocean height with ultraprecision to advance marine forecasting, national security, and more. Sentinel-6B, a…

Dec 16, 2025
Article
A Subtle Return of La Niña 
3 min read

A weak La Niña emerged in the equatorial Pacific in late 2025, and scientists are watching how it may help…

Dec 16, 2025
Article