Launch probability: 100%

Satellite altimeter jointly developed by NASA and CNES, the French space agency, in partnership with the Canadian Space Agency (CSA) and UK Space Agency (UKSA) designed to make the first global survey of the Earth's surface water, to observe the fine details of the ocean surface topography, and to measure how terrestrial surface water bodies change over time.

Mission type: Earth Science · Orbit: Low Earth Orbit

Rocket: Falcon 9 · Provider: SpaceX