Space Weather Message Code: ALTEF3 Serial Number: 3735 Issue Time: 2026 Sep 04 1208 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3734 Begin Time: 2026 Aug 31 1146 UTC Yesterday Maximum 2MeV Flux: 830 pfu Max time: 2026 Sep 04 1200 UTCThank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not ...Continue Reading

The following satellites have been removed from this week's AMSAT TLE distribution: HYPERVIEW-1G (RS66S) NORAD Cat ID 61772 Decayed from orbit on or about 18 August 2026 Sparrow NORAD Cat ID 43881 Decayed from orbit on or about 18 August 2026 Joe Fitzgerald KM1P AMSAT Orbital Elements Manager 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 lis ...Continue Reading

SB KEPS @ AMSAT $ORB26247.1 2Line Orbital Elements 26247.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 September 04, 2026 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 wi ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3734 Issue Time: 2026 Sep 03 1031 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3733 Begin Time: 2026 Aug 31 1146 UTC Yesterday Maximum 2MeV Flux: 1239 pfu Max time: 2026 Sep 03 1020 UTCThank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3733 Issue Time: 2026 Sep 02 1014 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3732 Begin Time: 2026 Aug 31 1146 UTC Yesterday Maximum 2MeV Flux: 1201 pfu Max time: 2026 Sep 02 1000 UTCThank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3732 Issue Time: 2026 Sep 01 0737 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3731 Begin Time: 2026 Aug 31 1146 UTC Yesterday Maximum 2MeV Flux: 1030 pfu Max time: 2026 Sep 01 0730 UTCThank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3731 Issue Time: 2026 Aug 31 1147 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Aug 31 1146 UTC Station: GOES-19 Comment: Yesterday's max: 1264 pfu Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not ...Continue Reading

In this edition: ARISS Proposal Window Open Now through September 30, 2026 AMSAT Board of Directors Voting Ends Soon European Astro Pi Challenge 2026/27 Registration Opens September 14, 2026 Call for Presentations: 44th AMSAT Space Symposium How Cell-Phone Technology Revolutionized Amateur Satellites Changes to AMSAT TLE Distribution for August 28, 2026 SpaceX Plans Massive New Launch Facility in Louisiana Ambassador Events ARISS News Satellite Shorts from All Over The AMSAT(R) News Service bulletins are a free, weekl ...Continue Reading

SB KEPS @ AMSAT $ORB26240.1 2Line Orbital Elements 26240.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 August 28, 2026 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 witho ...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