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New ways to get GP data now available! Up until now, we've used the TLE format to ingest data into SGP4. With the growth of the catalog soon to exceed the current range of 5-digit catalog numbers, you may be wondering how we will handle that. If so, be sure to check out our prototype Current Data page and read the article titled "A New Way to Obtain GP Data (aka TLEs)." More to follow on Twitter @TSKelso. -- NEW Orbit Visualization! Now even more capable! Perpetually propagate the full public catalog on the fly at up to 30 fps! Launch Orbit Visualization Follow on Twitter @TSKelso NORAD Two-Line Element Sets Current Data Historical Archives Documentation Software Repository Computers & Satellites Columns "Frequently Asked Questions: Two-Line Element Set Format" "More Frequently Asked Questions" Special Event Coverage ORS-3 Launch of 2013 Nov 20 Dnepr Launch of 2013 Nov 21 Breeze-M Rocket Body (38746) Breakup Iridium 33/Cosmos 2251 Collision USA 193 Post-Shootdown Analysis Chinese ASAT Test 2007 Debris Events Online Satellite Catalog (SATCAT) Search the SATCAT SATCAT Boxscore SOCRATES Satellite Orbital Conjunction Reports Assessing threatening Encounters in Space GPS Data Status Messages NANUs SEM Almanacs Yuma Almanacs Space Data Earth Orientation Parameters Space Weather About the Webmaster Dr. T.S. Kelso [TS.Kelso@celestrak.com] Follow on Twitter @TSKelso Last updated: 2020 Jun 04 02:35:58 UTC Accessed 18,247,355 times Current system time: 2021 Feb 19 09:12:17 UTC 's Simple Privacy Policy...