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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.

NASA, European Partners Set to Launch Sentinel-6B Earth Satellite
5 min read

Set to track sea levels across more than 90% of Earth’s ocean, the mission must first get into orbit. Here’s…

Nov 15, 2025
Article
6 Things to Know From NASA About New US, European Sea Satellite
6 min read

Data from Sentinel-6B will continue a decades-long record of sea surface height, helping to improve coastal planning, protect critical infrastructure,…

Nov 14, 2025
Article
NASA Sets Launch Coverage for International Ocean Tracking Mission
4 min read

NASA will provide live coverage of prelaunch and launch activities for Sentinel-6B, an international mission delivering critical sea level and…

Nov 14, 2025
News Release
Sentinel-6B Satellite Moves into Payload Processing Phase
2 min read

The Sentinel-6B spacecraft recently made a crucial transition in its prelaunch journey when technicians transferred the spacecraft from the NASA…

Sep 30, 2025
Blog
New US-European Sea Level Satellite Will Help Safeguard Ships at Sea
5 min read

Sea surface height data from the Sentinel-6B satellite, led by NASA and ESA, will help with the development of marine…

Sep 11, 2025
Article
New NASA-ESA Sea Level Satellite Arrives at California Launch Site
3 min read

The Sentinel-6B satellite will soon start final preparation to ready it for launch later this year. After a trans-Atlantic journey…

Aug 20, 2025
Blog