GOES satellites carry onboard a Space Environment Monitor subsystem that measures X-rays, Energetic Particles and the Magnetic Field at the spacecraft.

GOES Space Environment Monitor

Data describing the environment at geosynchronous orbit.

Interactive Data Access

Primary access to GOES SEM data is through the interactive tool -- SPIDR.

Direct Access to Data & Plots

./data	./avg	./YYMM (i.e., ./2008)		1 min & 5 min averages, ASCII tables, view naming and format.
	./full	./magnetometer	./YYMM	Full resolution, 3s values, FITS binary tables, 1974 - 1996.
		./particles	./YYMM	Full resolution, 3s values, FITS binary tables, 1974 - 1992.
		./xrays	./YYMM	Full resolution, 3s values, FITS binary tables, 1974 - 1996.
	./plots	./YYMM		Daily & montly plots of all data in time series used for quality control, pdf format.
./docs	./avg			Description of 1 min & 5 min average data files.
	./full			Description of full resolution data files.
./software				C Code to convert full resolution files to ASCII tables.

Particle Event List

This list of energetic particle events is prepared by the Space Weather Prediction Center

GOES Status

The Space Weather Prediction Center maintains a historical status page for GOES SEM data.

GOES Data Book

This document describes all aspects of the GOES-8 thourgh GOES-12 satellite series.

Interactive Data Access

Time averaged data are available interactively via SPIDR.

Data Notes

Historical data quality issues are discussed.
The NORAD ortital elements for GOES are available from CelestraK.

GOES SEM Mission

Overview of the GOES SEM mission.

What To Look For

Here you can find several custom plots. There are also links to the Spacecraft Anomaly Database files.

Real-Time Data

You can view these data in real time by visiting the Space Weather Prediction Center.

GOES SEM data can also be ordered on CD-ROM or DVD-ROM for a nominal charge.

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Website of the US Dept of Commerce/NOAA/NESDIS/NGDC, last update June 16, 2006