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| GOES series | |
|---|---|
| Name | Geostationary Operational Environmental Satellites |
| Operator | National Oceanic and Atmospheric Administration / National Aeronautics and Space Administration |
| Country | United States |
| Status | Active |
| First | 1975 |
| Orbit | Geostationary orbit |
| Type | Weather satellite |
GOES series
The GOES series are a sequence of satellites operated by the National Oceanic and Atmospheric Administration in partnership with the National Aeronautics and Space Administration to provide continuous meteorologyal and environmental monitoring from geostationary orbit. They support weather forecasting for the United States, Americas, and adjacent oceans, supplying imagery, atmospheric sounding, and space weather data used by agencies such as the National Weather Service, Federal Emergency Management Agency, and international partners. The program has driven advances in satellite engineering, remote sensing, and operational data dissemination used by civil aviation, maritime operations, and disaster response organizations.
The GOES program places geostationary satellites at fixed longitudes above the Equator to observe atmospheric dynamics, cloud cover, and surface phenomena. Satellites are controlled by teams at NOAA Satellite and Information Service facilities and transmit data to ground stations including the Wallops Flight Facility and Gilmore Creek Station. Instruments aboard provide visible, infrared, and multispectral imagery, as well as magnetometers and particle detectors for space weather monitoring relevant to the Global Positioning System, power grid operators, and telecommunications providers. Imagery and derived products feed operational centers such as the National Hurricane Center, Storm Prediction Center, and regional forecasting offices.
The program began with early experimental geostationary meteorological efforts influenced by projects such as the Applications Technology Satellite and the SMS (satellite) series. Initial operational launches in the 1970s built on heritage from the Defense Meteorological Satellite Program and collaborations with the European Space Agency and Japan Aerospace Exploration Agency. Key milestones include adoption of improved sensors motivated by lessons from events like Hurricane Andrew and the Great Salt Lake Floods, leading to new generations developed under programs involving contractors such as Lockheed Martin, Orbital Sciences Corporation, and Boeing. Program governance has involved United States Congress appropriations, technical oversight by NASA laboratories, and data policy coordination with the World Meteorological Organization and regional meteorological centers.
Spacecraft bus designs evolved through partnerships with manufacturers such as Fairchild Industries and Hughes Aircraft Company, culminating in modern platforms with three-axis stabilization and deployable solar arrays. Primary instruments include the Advanced Baseline Imager, the Geostationary Lightning Mapper, the Space Environment In-Situ Suite, and sounders derived from heritage like the High Resolution Infrared Radiation Sounder. Sensors operate across visible, near-infrared, and thermal infrared bands to observe phenomena ranging from convection to sea surface temperatures affecting agencies like the National Marine Fisheries Service. Space weather instruments monitor solar wind, energetic particles, and magnetic field variations relevant to studies by Solar Dynamics Observatory teams and research at the National Solar Observatory.
Day-to-day control is coordinated by NOAA’s Satellite Operations Facility and mission planners liaise with NASA Goddard Space Flight Center for launch and commissioning. Ground segments include mission control, data processing pipelines, and dissemination networks such as the NOAA Satellite Operations Control Center and the Comcast/Internet2-linked research networks. Contingency planning references lessons from anomalies like the Ariane 5 Flight 501 failure and applies international standards from the International Telecommunication Union for frequency coordination. Lifecycle management encompasses on-orbit station-keeping at assigned longitudes, collision avoidance with objects catalogued by the United States Space Surveillance Network, and end-of-life disposal to graveyard orbits per Inter-Agency Space Debris Coordination Committee guidelines.
Individual satellites have been pivotal during events monitored by agencies such as the National Hurricane Center and the U.S. Coast Guard. Notable platforms supported observations of Hurricane Katrina, Hurricane Sandy, and volcanic eruptions like Mount St. Helens reactivation episodes. Collaborative campaigns with the European Organisation for the Exploitation of Meteorological Satellites and field programs like Hurricane Field Program utilized GOES data alongside aircraft reconnaissance by NOAA Hurricane Hunters and the U.S. Air Force Reserve. Science and engineering spin-offs influenced missions including Deep Space Climate Observatory and instruments flown on the Suomi NPP satellite.
Products include real-time full-disk and sector imagery, derived motion winds, cloud-top heights, volcanic ash detection, fire-hotspot algorithms used by United States Geological Survey incident teams, and solar irradiance alerts for operators at North American Electric Reliability Corporation. Forecast models such as the Global Forecast System and regional variants ingest GOES radiances for data assimilation, improving outputs for the National Weather Service and academic centers like University of Oklahoma and Massachusetts Institute of Technology. Data support sectors including agriculture agencies, energy utilities, and emergency management organizations during disasters like Superstorm Sandy.
Successor initiatives build on GOES capabilities through next-generation geostationary platforms developed in cooperation with contractors like Maxar Technologies and international partners including NOAA NESDIS collaborators. Planned enhancements focus on higher spatial and temporal resolution, expanded spectral coverage, and improved space weather suites to complement research by the Parker Solar Probe and Solar Orbiter. Strategic documents from United States Department of Commerce and investment decisions by Congress will guide modernization alongside complementary low-Earth-orbit constellations such as those advocated by the National Academies of Sciences, Engineering, and Medicine. End-of-life planning continues to reference standards from the United Nations Office for Outer Space Affairs.
Category:Earth observation satellites of the United States