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| Geostationary Operational Environmental Satellite (GOES) | |
|---|---|
| Name | Geostationary Operational Environmental Satellite |
| Acronym | GOES |
| Operator | National Oceanic and Atmospheric Administration / National Aeronautics and Space Administration |
| Country | United States |
| Status | Active |
| First | 1975 |
| Spacecraft type | Weather satellite |
Geostationary Operational Environmental Satellite (GOES) is a series of geostationary orbit satellites operated by the National Oceanic and Atmospheric Administration in partnership with the National Aeronautics and Space Administration to provide continuous meteorological, environmental, and space weather observations. The program supports operational forecasting for agencies such as the National Weather Service and enables research used by institutions including the European Space Agency, Japan Aerospace Exploration Agency, and United Kingdom Met Office. GOES observations contribute to humanitarian response coordinated by organizations like the Federal Emergency Management Agency and the International Red Cross and Red Crescent Movement.
GOES satellites occupy fixed positions in geostationary orbit to monitor the Western Hemisphere, supplying imagery, radiometric, and magnetospheric measurements. The system delivers data streams for forecasting managed by the National Weather Service, climate monitoring used by the Intergovernmental Panel on Climate Change, and space weather alerts consumed by operators such as Aviation Administration services and the North American Electric Reliability Corporation. GOES forms part of broader Earth observation constellations alongside platforms like NOAA-20, Suomi NPP, and the Meteosat family.
The GOES program originated from early meteorological remote sensing initiatives led by NASA and NOAA in the 1960s and 1970s, following experimental systems such as the ATS-1 and Synchronous Meteorological Satellite prototypes. The first operational satellites launched in the mid-1970s, evolving through successive series that integrated developments from programs like Landsat, Defense Meteorological Satellite Program, and research from institutions such as the Goddard Space Flight Center and Jet Propulsion Laboratory. Major milestones include transitions to digital imaging, introduction of space weather sensors developed with the Air Force Research Laboratory, and the recent GOES-R series incorporating avionics and instruments influenced by Hubble Space Telescope engineering lessons and procurement practices from Cape Canaveral Space Force Station launches.
GOES platforms are built around spin-stabilized and three-axis stabilized bus architectures influenced by contractors including Lockheed Martin, Boeing, and Northrop Grumman. Instrument suites have included imager systems analogous to those on Meteosat Second Generation, sounders comparable to Infrared Atmospheric Sounding Interferometer, and magnetometers similar to sensors flown on ACE (spacecraft). The GOES-R series introduced the Advanced Baseline Imager, a multispectral radiometer with heritage traceable to instruments on MODIS and VIIRS, and the Geostationary Lightning Mapper, conceptually related to payloads on TRMM. Space weather payloads include coronagraph-like observations and particle detectors with lineage to missions such as SOHO and Wind.
Launch campaigns for GOES satellites have used vehicles operated from Cape Canaveral Space Force Station and launch providers including United Launch Alliance and SpaceX in collaboration with NASA Kennedy Space Center. Orbit insertion maneuvers exploit services conceptualized in programs like Intelsat station-keeping routines and utilize ground tracking assets at facilities such as White Sands Complex and Gilmore Creek Station. Operations employ station-keeping strategies consistent with standards developed by International Telecommunication Union coordination and orbital debris mitigation practices informed by United Nations Committee on the Peaceful Uses of Outer Space guidance.
GOES data feed satellite-derived products used by the National Hurricane Center, Aviation Weather Center, and Hydrometeorological Prediction Center for real-time forecasting, warning issuance, and hydrologic modeling. Products include multispectral imagery, atmospheric soundings, lightning detection, and space weather alerts leveraged by stakeholders such as Federal Aviation Administration, electric utilities coordinated via North American Electric Reliability Corporation, maritime operators like United States Coast Guard, and scientific users at the National Center for Atmospheric Research, NOAA Climate Program Office, and university research groups. Derived datasets integrate into assimilation systems used by numerical weather prediction models developed at European Centre for Medium-Range Weather Forecasts, NOAA Geophysical Fluid Dynamics Laboratory, and the Met Office Unified Model.
The GOES ground segment comprises mission control centers, command and telemetry networks, and data distribution systems run by NOAA Satellite and Information Service with operations at facilities such as the Space Weather Prediction Center and the National Climatic Data Center. Data dissemination uses networks coordinated with entities like Internet2, the National Centers for Environmental Prediction, and commercial ground station operators. Redundancy, cybersecurity, and time-critical command chains follow standards established by Department of Commerce policy and interagency protocols involving the Department of Homeland Security for emergency communications.
Program governance involves interagency agreements between NOAA and NASA, procurement and contracting with firms like Raytheon Technologies and Orbital ATK, and oversight by congressional committees including the United States House Committee on Science, Space, and Technology. International collaboration includes data sharing with European Organisation for the Exploitation of Meteorological Satellites, bilateral arrangements with Japan Meteorological Agency and Environment and Climate Change Canada, and participation in global initiatives such as the World Meteorological Organization Integrated Global Observing System. These partnerships support coordinated responses to hazards tracked by organizations like the United Nations Office for Disaster Risk Reduction and foster interoperability with regional systems such as Meteosat and Himawari.
Category:Weather satellites