[NASA] NASA Sets Launch Coverage for International Ocean Tracking Mission

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In this artist’s concept, the ocean-observing satellite Sentinel-6B orbits Earth with its deployable solar panels extended.

Credit: NASA/JPL-Caltech

NASA will provide live coverage of prelaunch and launch activities for Sentinel-6B, an international mission delivering critical sea level and ocean data to protect coastal infrastructure, improve weather forecasting, and support commercial activities at sea.

Launch is targeted at 12:21 a.m. EST, Monday, Nov. 17 (9:21 p.m. PST, Sunday, Nov. 16) aboard a SpaceX Falcon 9 rocket from Space Launch Complex 4 East at Vandenberg Space Force Base in California.

Watch coverage beginning at 11:30 p.m. EST (8:30 p.m. PST) on NASA+,

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Prime, and more. Learn how to

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through a variety of platforms, including social media.

The Sentinel-6B mission continues a decades-long effort to monitor global sea level and ocean conditions using precise radar measurements from space. Since the early 1990s, satellites launched by NASA and domestic and international partners have collected precise sea level data. The launch of Sentinel-6B will extend this dataset out to nearly four decades.

NASA’s mission coverage is as follows (all times Eastern and subject to change based on real-time operations):

Saturday, Nov. 15

4 p.m. – NASA Prelaunch Teleconference on International Ocean Tracking Mission

• Karen St. Germain, director, Earth Science Division, NASA Headquarters in Washington
• Pierrik Veuilleumier, Sentinel-6B project manager, ESA
• Parag Vaze, Sentinel-6B project manager, NASA’s Jet Propulsion Laboratory in Pasadena, California
• Tim Dunn, senior launch director, Launch Services Program, NASA’s Kennedy Space Center in Florida
• Julianna Scheiman, director, NASA Science Missions, SpaceX
• 1st Lt. William Harbin, launch weather officer, U.S. Air Force

Audio of the teleconference will stream on the

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.  

Media interested in participating by phone must RSVP no later than two hours prior to the start of the call at: ksc*****@*****.tld. A copy of NASA’s

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is online.

Sunday Nov. 16

11:30 p.m. – Launch coverage begins on

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,

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, and more.

Audio-only coverage

Audio-only of the launch coverage will be carried on the NASA “V” circuits, which may be accessed by dialing 321-867-1220 or -1240. On launch day, “mission audio” countdown activities without NASA+ launch commentary will be carried at 321-867-7135.

NASA website launch coverage

Launch day coverage of the mission will be available on the

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. Coverage will include links to live streaming and blog updates beginning no earlier than 11 p.m. EST, Nov. 16, as the countdown milestones occur. Streaming video and photos of the launch will be accessible on demand shortly after liftoff. Follow countdown coverage on NASA’s

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For questions about countdown coverage, contact the NASA Kennedy newsroom at: 321-867-2468.

Attend launch virtually

Members of the public

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to attend this launch virtually. NASA’s

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for this mission includes curated launch resources, notifications about related opportunities or changes, and a stamp for the NASA virtual guest passport following launch.

Watch, engage on social media

Let people know you’re watching the mission on X,

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, and

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by following and tagging these accounts:

X:

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Sentinel-6B is the second of twin satellites in the Copernicus Sentinel-6/Jason-CS (Continuity of Service) mission, a collaboration among NASA, ESA (European Space Agency), EUMETSAT (European Organisation for the Exploitation of Meteorological Satellites), and the National Oceanic and Atmospheric Administration (NOAA). The first satellite in the mission,

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, launched in November 2020. The European Commission contributed funding support, while France’s space agency CNES (Centre National d’Études Spatiales) provided technical expertise. The mission also marks the first international involvement in Copernicus, the European Union’s Earth Observation Programme.

For more information about these missions, visit:

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-end-

Elizabeth Vlock
NASA Headquarters, Washington
202-358-1600
*****@*****.tld

Leejay Lockhart
Kennedy Space Center, Fla.
321-747-8310
*****@*****.tld

Andrew Wang / Andrew Good
Jet Propulsion Laboratory, Pasadena, Calif.
626-379-6874 / 818-393-2433
*****@*****.tld / *****@*****.tld

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Last Updated

Nov 14, 2025

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