Prediction Data

Dartcom X-Band EOS Systems and HRPT/AHRPT Systems use orbital prediction data to calculate the satellite passes. Normally this is downloaded automatically by the Polar Orbiter Ingester software. Alternatively it can be downloaded manually below, or you can subscribe to our mailing list and receive the files via email, plus bulletins about satellite status, issues and planned maintenance.

Download

NORAD two-line elements (TwoLine.tle)
NORAD two-line elements for polar-orbiting satellites supported by the Dartcom Polar Orbiter Ingester software.
TBUS orbital elements (TBUS.new)
Latest TBUS orbital elements for NOAA satellites. Required for NOAA level 1B export.
News (WinSupp.txt)
Supplementary news and satellite status information for customers with polar-orbiter systems.

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