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Wikipedia dicit:

The Geostationary Operational Environmental Satellite (GOES), operated by the United States’ National Oceanic and Atmospheric Administration (NOAA)’s National Environmental Satellite, Data, and Information Service division, supports weather forecasting, severe storm tracking, and meteorology research. Spacecraft and ground-based elements of the system work together to provide a continuous stream of environmental data. The National Weather Service (NWS) and the Meteorological Service of Canada use the GOES system for their North American weather monitoring and forecasting operations, and scientific researchers use the data to better understand land, atmosphere, ocean, and climate dynamics.

The fourth-generation satellites, the GOES-R series, were built by Lockheed Martin using the A2100 satellite bus. The GOES-R series is a four-satellite program (GOES-R, -S, -T and -U) intended to extend the availability of the operational GOES satellite system through 2036. GOES-R launched on 19 November 2016. It was renamed GOES-16 upon reaching orbit. Second of the series GOES-S, was launched on 1 March 2018. It was renamed GOES-17 upon reaching orbit.

The instrument package for the GOES-R series includes:
Advanced Baseline Imager (ABI)
Space Environment In-Situ Suite (SEISS), which includes two Magnetospheric Particle Sensors (MPS-HI and MPS-LO), an Energetic Heavy Ion Sensor, and a Solar and Galactic Proton Sensor
Solar Imaging Suite, which includes the Solar Ultraviolet Imager (SUVI), the Solar X-Ray Sensor (XRS), and the Extreme Ultraviolet Sensor (EUVS)
Geostationary Lightning Mapper (GLM)
Magnetometer

Video credit: Lockheed Martin

Wikipedia dicit:

GOES-U is a weather satellite, the fourth and last of the GOES-R series of satellites operated by the National Oceanic and Atmospheric Administration (NOAA). The GOES-R series will extend the availability of the Geostationary Operational Environmental Satellite (GOES) system until 2036. The satellite is built by Lockheed Martin, based on the A2100 platform.

The satellite is expected to be launched into space atop a SpaceX Falcon Heavy rocket on June 25, 2024, delayed from April 30 2024, from Kennedy Space Center, Florida, United States. The redesign of the loop heat pipe to prevent an anomaly, as seen in GOES-17, is not expected to delay the launch as it did with GOES-T.

GOES-U will also carry a copy of the Naval Research Laboratory’s Compact CORonagraph (CCOR) instrument which, along with the CCOR planned for Space Weather Follow On-Lagrange 1 (SWFO-L1), will allow continued monitoring of solar wind after the retirement of the NASA-ESA SOHO satellite in 2025.

It will have a dry mass of 2,925 kg (6,449 lb) and a fueled mass of 5,000 kg (11,023 lb).

Video credit: Lockheed Martin

Wikipedia dixit:

“GOES-17 (formerly GOES-S) is the second of the next generation of weather satellites operated by the National Oceanic and Atmospheric Administration (NOAA). The next satellites of the series (GOES-16, -17, -T, and -U) will extend the availability of the GOES (Geostationary Operational Environmental Satellite system) until 2036 for weather forecast and meteorology research. The satellite was built by Lockheed Martin, was based on the A2100A platform, and will have an expected useful life of 15 years (10 years operational after five years of standby as an on-orbit replacement).

NOAA’s GOES-R series of satellites is designed to improve the forecasts of weather, ocean, and environment by providing faster and more detailed data, real-time images of lightning, and advanced monitoring of solar activities and space weather. GOES-17 can collect three times more data at four times image resolution, and scan the planet five times faster than previous probes.

GOES-17 has the same instruments and capabilities as GOES-16 (currently serving as GOES-East), and will complement its work by scanning a different area of the world. GOES-17 will become GOES-West and cover the west Coast of US, Alaska, Hawaii, and much of the Pacific Ocean. These two satellites are expected to monitor most of the Western Hemisphere and detect natural phenomena, like hurricanes, wildfires, and fog in almost real time.”

Video credit: NASA

NASA dixit:

“This 24-hour infrared loop from the National Oceanic and Atmospheric Administration (NOAA) GOES-16 satellite shows the evolution of the deepening east coast cyclone. The Geostationary Operational Environmental Satellite (GOES) – R Series is a collaborative development and acquisition effort between NOAA and NASA. The GOES-16 (GOES-East) satellite, the first of the series, provides continuous imagery and atmospheric measurements of Earth’s western hemisphere and space weather monitoring.”

Video credit: NOAA