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

2025-05-21 through 2025-05-25

UTC00000300060009001200150018002100
2025-05-21        
2025-05-22        
2025-05-23        
2025-05-24        
2025-05-25        

Current as of 2025-05-23 15:29:12
Black cell outline shows current window


Graph of Sunspot Number & 10.7-cm Solar Flux Data


Earth Orientation Parameter (EOP) Data
CSV starting 1962 Jan 01
(2,331,142 bytes)
CSV starting 2020 Jan 01
(217,676 bytes)
Legacy starting 1962 Jan 01
(2,428,292 bytes)
Legacy starting 2020 Jan 01
(225,155 bytes)
Space Weather Data
CSV starting 1957 Oct 01
(2,832,325 bytes)
CSV starting 2020 Jan 01
(242,438 bytes)
Legacy starting 1957 Oct 01
(3,293,763 bytes)
Legacy starting 2020 Jan 01
(292,478 bytes)