Environment & Sustainability

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Sentinel-6B Satellite Acquires Signal

Mission controllers for Sentinel-6B received full acquisition of signal from the spacecraft at 1:55 a.m. EST Monday, Nov. 17. After cross-calibrating its data, Sentinel-6B will take over from Sentinel-6 Michael Freilich, launched Nov. 21, 2020, to monitor sea levels, measure…

Sea-Level Monitoring Satellite Flying Solo

Sentinel-6B satellite is flying on its own after separating from the SpaceX Falcon 9 second stage. on Monday, Nov. 17, 2025. NASA The Sentinel-6B satellite is flying on its own after separating from the SpaceX Falcon 9 second stage. Satellite-6B,…

First Stage Rocket Returns to Earth; Coast Phase Begins

The SpaceX Falcon 9 rocket’s first stage successfully touched down on Landing Zone 4 East at Vandenberg Space Force Base in California following launch of Sentinel-6B. The Falcon 9 second stage will continue to coast for approximately 45 minutes before…

Burn Complete

The SpaceX Falcon 9 second stage completed its second burn, and in just a few minutes the Sentinel-6B spacecraft will separate from the rocket. The post Burn Complete appeared first on NASA Science.

Second Stage Engine Start

The Falcon 9’s second stage Merlin engine, carrying Sentinel-6B, ignited, marking the first of two planned burns that will deliver the satellite to its designated orbit. The rocket’s protective payload fairing separated and is on way back to Earth, where…

Liftoff! Sentinel-6B Journeys to Orbit

A SpaceX Falcon 9 rocket carrying the international Sentinel-6B spacecraft lifts off from Space Launch Complex 4 East at Vandenberg Space Force Base in California on Sunday, Nov. 16, 2025. A collaboration between NASA, ESA (European Space Agency), EUMETSAT (European…

NASA Launch Manager Gives ‘Go’ for Launch

The NASA launch manager, Tim Dunn, has just given a “go” for launch for the Sentinel-6B satellite. This will be the third flight for the first stage booster supporting this mission. Launch is coming up momentarily. The post NASA Launch…

Second Stage Fueling Underway for Sentinel-6B Launch

Fueling is underway for the second stage of the SpaceX Falcon 9 rocket carrying Sentinel-6B, part of a joint mission led by NASA and ESA (European Space Agency), EUMETSAT (the European Organisation for the Exploitation of Meteorological Satellites), and the National…