WG3K > ANS 13.04.25 00:30z 46 Lines 2056 Bytes #82 (0) @ AMSAT BID : ANS103.7 Subj: Changes to AMSAT-NA TLE Distribution Path: ED1ZAC<ED1ZAC<GB7CIP<VK2RZ<W0ARP<N3HYM<WG3K Sent: 250413/0021Z 16196@WG3K.#SMD.MD.USA.NOAM LinBPQ6.0.24 Two Line Elements or TLEs, often referred to as Keplerian elements or keps in the amateur community, are the inputs to the SGP4 standard mathematical model of spacecraft orbits used by most amateur tracking programs. Weekly updates are completely adequate for most amateur satellites. TLE bulletin files are updated daily in the first hour of the UTC day. New bulletin files will be posted immediately after reliable elements become available for new amateur satellites. More information may be found at https://www.amsat.org/keplerian-elements-resources/. *The following satellites have been removed from this weekâÖs AMSAT TLE distribution:* DRAGON Fram2 NORAD Cat ID 63427 Splashdown 16:19 04 April 2025 Fram2Ham Provisional Cat ID 90000 Experiment terminated 08:42:50 O4 April 2025 *The following satellites have been added to this weekâÖs AMSAT TLE distribution:* TEVEL2-1 NORAD Cat ID 63217 TEVEL2-2 NORAD Cat ID 63218 TEVEL2-3 NORAD Cat ID 63219 TEVEL2-4 NORAD Cat ID 63213 TEVEL2-5 NORAD Cat ID 63214 TEVEL2-6 NORAD Cat ID 63215 TEVEL2-7 NORAD Cat ID 63239 TEVEL2-8 NORAD Cat ID 63237 TEVEL2-9 NORAD Cat ID 63238 *Please note* that Two/Three Line Element (TLE or 3LE) sets for spacecraft launched in the near future will not be available, and new formats will be used instead. The essence of the problem is that the US Space Force is running out of numbers to catalog new satellites, see https://celestrak.org/NORAD/documentation/gp-data-formats.php for details. AMSAT will continue to disseminate TLE for satellites currently in orbit indefinitely as we do now, but we seek comments regarding the best way to support the amateur satellites of the future. For example, is there any need to augment the weekly e-mail with a new list in one or more of the new formats or is on line access via www.celestrak.org or www.amsat.org sufficient? Please send your comments using the form at https://www.amsat.org/webmaster-contact/ on the AMSAT web site. [ANS thanks Joe Fitzgerald, KM1P, AMSAT Orbital Elements Manager for the above information]
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