Sentinel 6B

"With launch set for no earlier than 12:21 a.m. EST Monday, Nov. 17, Sentinel-6B is the latest satellite in a series of spacecraft NASA and its partners have used to measure sea levels since 1992."https://www.jpl.nasa.gov/news/6-things-to-know-from-nasa-about-new-us-european-sea-satellite/?utm_source=iContact&utm_medium=email&utm_campaign=1-nasajpl&utm_content=s6b20251114_2