EOP and Space Weather Data

"Earth Orientation Parameter and Space Weather Data for Flight Operations,"
presented at the 23rd AAS/AIAA Space Flight Mechanics Meeting,
2013 February 10–14.

"Using EOP and Space Weather Data for Satellite Operations,"
presented at the 15th AIAA/AAS Astrodynamics Specialist Conference,
2005 August 7–11.

Earth Orientation Parameters (EOP) Data Documentation

Space Weather Data Documentation


NOAA Space Weather Scales

Geomagnetic Storms

2026-01-12 through 2026-01-16

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2026-01-16        

Current as of 2026-01-14 21:29:20
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Graph of Sunspot Number & 10.7-cm Solar Flux Data


Earth Orientation Parameter (EOP) Data
CSV starting 1962 Jan 01
(2,354,790 bytes)
CSV starting 2021 Jan 01
(204,332 bytes)
Legacy starting 1962 Jan 01
(2,452,836 bytes)
Legacy starting 2021 Jan 01
(211,635 bytes)
Space Weather Data
CSV starting 1957 Oct 01
(2,859,970 bytes)
CSV starting 2021 Jan 01
(231,725 bytes)
Legacy starting 1957 Oct 01
(3,324,387 bytes)
Legacy starting 2021 Jan 01
(274,790 bytes)