GOES-R+
Geostationary Operational Environmental Satellite – R Series Program
Monitoring Earth's meteorological phenomena

The Geostationary Operational Environmental Satellite – R Series Program (GOES-R+) is a key element of the National Oceanic and Atmospheric Administration (NOAA) operations. The GOES-R+ series of satellites—which includes the R, S, T, and U satellites—is flying improved spacecraft and instrument technologies, for more timely and accurate weather forecasts. The program is improving the detection and observation of meteorological phenomena that directly affect public safety, protection of property, and economic health and development.
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Launch Dates: November 19, 2016 (GOES-R); March 1, 2018 (GOES-S), March 1, 2022 (GOES-T), May 2024 (GOES-U)
Lead Institution: National Oceanic and Atmospheric Administration (NOAA)
Lead Funding Agency: NOAA
Partners: NASA’s Goddard Space Flight Center, Department of Commerce, National Environmental Satellite, Data, and Information Services, Lockheed Martin Space System
The GOES-R program is a key element of NOAA operations. The GOES-R series of satellites (R, S, T, & U) fly improved spacecraft and instrument technologies, for more timely and accurate weather forecasts. The program will improve the detection and observation of meteorological phenomena that directly affect public safety, protection of property, and economic health and development.
LASP provides the Extreme Ultraviolet/X-ray Irradiance Sensor (EXIS) instrument.
The EXIS instrument detects solar soft X-ray irradiance (XRS) and solar extreme ultraviolet (EUVS) spectral irradiance. XRS helps predict proton events and monitors solar flares that can dis- rupt communications and degrade navigational accuracy. EUVS monitors solar variations that directly affect satellite drag/tracking and ionospheric changes, which impact communication and navigation operations. EXIS is providing one of the most important observations for early warning of space weather events.