Satellite Navigation and Orbital Elements

GOES-12, GOES-10

• TBUS Bulletins from NOAA
• Equator Crossings
• Two-line (TLEs) orbital elements for GOES *
• Navigation Summary (Note: updated weekly)

Polar Orbiting NOAA-nn Series

• TBUS Bulletins from NOAA
  **The TBUS bulletin: What is in it? How to decode it.
  Archived TBUS Bulletins (these are in compressed .zip files), via ftp: | 1999 | 2000 | 2001 | 2002 |
• Two-line (TLEs) orbital elements for NOAA series *
  **Two-Line Orbital Elements: What is in it? How to decode it.
• Equator Crossings (current data): NOAA-11, NOAA-12, NOAA-14, NOAA-15, NOAA-16, NOAA-17, NOAA-18
• Equator Crossings (historical archive) available via ftp

* Two-line orbital elements provided by Celestrak.com. Complete celestrak weather satellite elements file.

See the Ingest Systems Branch NAVIGATION Page for additional equator crossing data, NOAA-nn clock drift files, and the Graphical Orbit Locator program.