The following satellites have been removed from this week's AMSAT TLE distribution: NOAA-15 NORAD Cat ID 25338 Spacecraft decommissioned 19 August 2025 NOAA-19 NORAD Cat ID 33591 Spacecraft decommissioned 13 August 2025 UPMSat 2 NORAD Cat ID 46276 Decayed from orbit on or about 11 October 2025 LEDSAT NORAD Cat ID 49069 Decayed from orbit on or about 15 October 2025 CAS-4A NORAD Cat ID 42761 Decayed from orbit on or about 9 October 2025 CAS-4B NORAD Cat ID 42759 Decayted from orbit on or about 14 October 202 ...Continue Reading

SB KEPS @ AMSAT $ORB25297.1 2Line Orbital Elements 25297.AMSAT QST de W1STR AMSAT Orbital Elements for Amateur Satellites in TLE Format From Orbital Analysis Office New England Sci-Tech STEM Education Center Natick MA October 24, 2025 To all radio amateurs These element sets describe the orbits of various satellites in use by the amateur radio community. For details see: www.amsat.org/keplerian-elements-formats/ A daily update of element sets is available at: www.amsat.org/tle/daily-bulletin.txt or with ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3550 Issue Time: 2025 Oct 17 1122 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3549 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 3769 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

SB KEPS @ AMSAT $ORB25290.1 2Line Orbital Elements 25290.AMSAT QST de W1STR AMSAT Orbital Elements for Amateur Satellites in TLE Format From Orbital Analysis Office New England Sci-Tech STEM Education Center Natick MA October 17, 2025 To all radio amateurs These element sets describe the orbits of various satellites in use by the amateur radio community. For details see: www.amsat.org/keplerian-elements-formats/ A daily update of element sets is available at: www.amsat.org/tle/daily-bulletin.txt or with ...Continue Reading

This week there are no additions or deletions to the AMSAT TLE distribution. Keps mailing list -- keps@amsat.org View archives of this mailing list at https://mailman.amsat.org/hyperkitty/list/keps@amsat.org To unsubscribe send an email to keps-leave@amsat.org Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3549 Issue Time: 2025 Oct 16 0930 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3548 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 2847 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3548 Issue Time: 2025 Oct 15 1041 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3547 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 5134 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3547 Issue Time: 2025 Oct 14 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3546 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 4078 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3546 Issue Time: 2025 Oct 13 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3545 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 1707 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3545 Issue Time: 2025 Oct 13 0302 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3544 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 1707 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading