T.S. Kelso
@tskelso.bsky.social
Operator of CelesTrak, the world's first source for orbital element sets and related software and educational materials.
Pinned
T.S. Kelso
@tskelso.bsky.social
· Dec 1
In case you missed it, 18 SDS just assigned NORAD Catalog Number 60011. As a reminder, we run out of 5-digit catalog numbers at 70000. CelesTrak will not be supporting Alpha-5, since all standards show these as integers. See celestrak.org/NORAD/docume... to prepare now. [Re-post from X]
CelesTrak has GP data for 1 of 2 objects from the launch (2025-275) of Soyuz-MS 28 atop a Soyuz-2.1a rocket from Baikonur Cosmodrome on Nov 27 at 0928 UTC: spaceflightnow.com/2025/11/27/n.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 28, 2025 at 9:04 AM
CelesTrak has GP data for 1 of 2 objects from the launch (2025-275) of Soyuz-MS 28 atop a Soyuz-2.1a rocket from Baikonur Cosmodrome on Nov 27 at 0928 UTC: spaceflightnow.com/2025/11/27/n.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
OPTUS D2, launched 2007-10-05, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2025-08-27. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....
November 27, 2025 at 8:48 PM
OPTUS D2, launched 2007-10-05, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2025-08-27. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....
CelesTrak has pre-launch SupGP data for the Transporter-15 launch from Vandenberg SFB on 2025-11-26 at 18:17:59.988 UTC: celestrak.org/NORAD/elemen.... Deployment of 110 satellites is set to occur 2025-11-26 19:12:37.228 UTC to 21:01:08.188 UTC.
November 26, 2025 at 2:17 AM
CelesTrak has pre-launch SupGP data for the Transporter-15 launch from Vandenberg SFB on 2025-11-26 at 18:17:59.988 UTC: celestrak.org/NORAD/elemen.... Deployment of 110 satellites is set to occur 2025-11-26 19:12:37.228 UTC to 21:01:08.188 UTC.
CelesTrak has GP data for 3 objects from the launch (2025-273) of Russian Defense Ministry’s satellites atop an Angara-1.2 rocket from Plesetsk Cosmodrome on Nov 25 at 1342 UTC: tass.com/science/2048.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 26, 2025 at 1:29 AM
CelesTrak has GP data for 3 objects from the launch (2025-273) of Russian Defense Ministry’s satellites atop an Angara-1.2 rocket from Plesetsk Cosmodrome on Nov 25 at 1342 UTC: tass.com/science/2048.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
18 SDS has cataloged 2 objects from the launch (2025-272 not -273) of Shenzhou-22 atop a Long March-2F rocket from Jiuquan Satellite Launch Center on Nov 25 at 0411 UTC: www.china-in-space.com/p/emergency-.... SATCAT data can be found at: celestrak.org/satcat/table....
November 26, 2025 at 1:18 AM
18 SDS has cataloged 2 objects from the launch (2025-272 not -273) of Shenzhou-22 atop a Long March-2F rocket from Jiuquan Satellite Launch Center on Nov 25 at 0411 UTC: www.china-in-space.com/p/emergency-.... SATCAT data can be found at: celestrak.org/satcat/table....
CelesTrak has ephemeris-based SupGP data for all 28 satellites from the Starlink G11-30 launch (2025-271) atop a Falcon 9 rocket from Vandenberg SFB on 2025-11-23 at 08:48:00 UTC: spaceflightnow.com/2025/11/23/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 25, 2025 at 9:18 AM
CelesTrak has ephemeris-based SupGP data for all 28 satellites from the Starlink G11-30 launch (2025-271) atop a Falcon 9 rocket from Vandenberg SFB on 2025-11-23 at 08:48:00 UTC: spaceflightnow.com/2025/11/23/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 3 objects from the launch (2025-267) of BlackSky Global-33 atop a Electron rocket from Māhia Peninsula, NZ on Nov 20 at 1243 UTC: spacenews.com/electron-lau.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 23, 2025 at 3:52 AM
CelesTrak has GP data for 3 objects from the launch (2025-267) of BlackSky Global-33 atop a Electron rocket from Māhia Peninsula, NZ on Nov 20 at 1243 UTC: spacenews.com/electron-lau.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-79 launch (2025-270) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-22 at 07:53:50 UTC: spaceflightnow.com/2025/11/21/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 23, 2025 at 3:25 AM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-79 launch (2025-270) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-22 at 07:53:50 UTC: spaceflightnow.com/2025/11/21/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 2 objects from the launch (2025-269) of TJS-21 atop a Long March-3B rocket from Xichang Satellite Launch Center on Nov 21 at 1055 UTC: www.china-in-space.com/p/seventh-tj.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 21, 2025 at 8:38 PM
CelesTrak has GP data for 2 objects from the launch (2025-269) of TJS-21 atop a Long March-3B rocket from Xichang Satellite Launch Center on Nov 21 at 1055 UTC: www.china-in-space.com/p/seventh-tj.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-78 launch (2025-268) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-21 at 03:39:30 UTC: spaceflightnow.com/2025/11/20/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 21, 2025 at 7:27 PM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-78 launch (2025-268) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-21 at 03:39:30 UTC: spaceflightnow.com/2025/11/20/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 3 of 4 objects from the launch (2025-266) of Shijian-30 A-C atop a Long March-2C rocket from Jiuquan Satellite Launch Center on Nov 19 at 0401 UTC: www.china-in-space.com/p/new-space-.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 20, 2025 at 6:11 AM
CelesTrak has GP data for 3 of 4 objects from the launch (2025-266) of Shijian-30 A-C atop a Long March-2C rocket from Jiuquan Satellite Launch Center on Nov 19 at 0401 UTC: www.china-in-space.com/p/new-space-.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-94 launch (2025-265) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-19 at 00:12:20 UTC: spaceflightnow.com/2025/11/18/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 19, 2025 at 8:06 PM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-94 launch (2025-265) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-19 at 00:12:20 UTC: spaceflightnow.com/2025/11/18/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 1 object from the launch (2025-264) of Sentinel-6B atop a Falcon 9 rocket from Vandenberg SFB on Nov 17 at 0521 UTC: www.nasaspaceflight.com/2025/11/sent.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 17, 2025 at 7:18 PM
CelesTrak has GP data for 1 object from the launch (2025-264) of Sentinel-6B atop a Falcon 9 rocket from Vandenberg SFB on Nov 17 at 0521 UTC: www.nasaspaceflight.com/2025/11/sent.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 2 objects from the launch (2025-261) of ViaSat-3 F2 atop an Atlas V rocket from Cape Canaveral on Nov 14 at 0304 UTC: spaceflightnow.com/2025/11/13/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 17, 2025 at 8:17 AM
CelesTrak has GP data for 2 objects from the launch (2025-261) of ViaSat-3 F2 atop an Atlas V rocket from Cape Canaveral on Nov 14 at 0304 UTC: spaceflightnow.com/2025/11/13/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-85 launch (2025-263) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-15 at 06:44:20 UTC: spaceflightnow.com/2025/11/14/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 15, 2025 at 6:33 PM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-85 launch (2025-263) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-15 at 06:44:20 UTC: spaceflightnow.com/2025/11/14/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-89 launch (2025-262) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-15 at 03:08:10 UTC: spaceflightnow.com/2025/11/14/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 15, 2025 at 6:31 PM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-89 launch (2025-262) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-15 at 03:08:10 UTC: spaceflightnow.com/2025/11/14/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 1 object from the launch (2025-260) of ESCAPADE atop a New Glenn rocket from Cape Canaveral on Nov 13 at 2055 UTC: www.nasa.gov/news-release.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 15, 2025 at 2:32 AM
CelesTrak has GP data for 1 object from the launch (2025-260) of ESCAPADE atop a New Glenn rocket from Cape Canaveral on Nov 13 at 2055 UTC: www.nasa.gov/news-release.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
NOAA is reporting and predicting elevated geomagnetic activity: celestrak.org/SpaceData/. Expect to see increased prediction errors in all LEO orbital data.
November 12, 2025 at 3:57 AM
NOAA is reporting and predicting elevated geomagnetic activity: celestrak.org/SpaceData/. Expect to see increased prediction errors in all LEO orbital data.
18 SDS has cataloged 10 objects from the launch (2025-258) of Guowang Group 13 atop a Long March-12 rocket from Wenchang Space Launch Site on Nov 10 at 0241 UTC: www.china-in-space.com/p/guowang-re.... SATCAT data can be found at: celestrak.org/satcat/table....
November 12, 2025 at 2:28 AM
18 SDS has cataloged 10 objects from the launch (2025-258) of Guowang Group 13 atop a Long March-12 rocket from Wenchang Space Launch Site on Nov 10 at 0241 UTC: www.china-in-space.com/p/guowang-re.... SATCAT data can be found at: celestrak.org/satcat/table....
18 SDS has cataloged 3 objects from the launch (2025-256) of Chutian-2 01 & 02 atop a Lijian-1 rocket from Jiuquan Satellite Launch Center on Nov 9 at 0332 UTC: www.china-in-space.com/p/cas-space-.... SATCAT data can be found at: celestrak.org/satcat/table....
November 12, 2025 at 1:57 AM
18 SDS has cataloged 3 objects from the launch (2025-256) of Chutian-2 01 & 02 atop a Lijian-1 rocket from Jiuquan Satellite Launch Center on Nov 9 at 0332 UTC: www.china-in-space.com/p/cas-space-.... SATCAT data can be found at: celestrak.org/satcat/table....
18 SDS has cataloged 4 objects from the launch (2025-255) of Shiyan-32 01-03 atop a Long March-11 rocket from waters off Shandong Province on Nov 8 at 2101 UTC: www.china-in-space.com/p/anonymous-.... SATCAT data can be found at: celestrak.org/satcat/table....
November 12, 2025 at 1:32 AM
18 SDS has cataloged 4 objects from the launch (2025-255) of Shiyan-32 01-03 atop a Long March-11 rocket from waters off Shandong Province on Nov 8 at 2101 UTC: www.china-in-space.com/p/anonymous-.... SATCAT data can be found at: celestrak.org/satcat/table....
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-87 launch (2025-259) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-11 at 03:21:30 UTC: spaceflightnow.com/2025/11/10/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 12, 2025 at 12:28 AM
CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-87 launch (2025-259) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-11 at 03:21:30 UTC: spaceflightnow.com/2025/11/10/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
With the latest dropout of 18 SDS GP data, the mean age of the data is now over 2.4 days old and almost nothing has been updated in the past day. The result is that 3,782 objects with SupGP data have an 18 SDS GP RMS difference of over 25 km--7 more than 10,000 km RMS.
November 10, 2025 at 8:23 AM
With the latest dropout of 18 SDS GP data, the mean age of the data is now over 2.4 days old and almost nothing has been updated in the past day. The result is that 3,782 objects with SupGP data have an 18 SDS GP RMS difference of over 25 km--7 more than 10,000 km RMS.
CelesTrak has ephemeris-based SupGP data for 28 of 29 satellites from the Starlink G10-51 launch (2025-257) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-09 at 08:10:10 UTC: spaceflightnow.com/2025/11/07/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 9, 2025 at 7:31 PM
CelesTrak has ephemeris-based SupGP data for 28 of 29 satellites from the Starlink G10-51 launch (2025-257) atop a Falcon 9 rocket from Cape Canaveral on 2025-11-09 at 08:10:10 UTC: spaceflightnow.com/2025/11/07/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 28 satellites from the Starlink G11-14 launch (2025-254) atop a Falcon 9 rocket from Vandenberg SFB on 2025-11-06 at 21:13:50 UTC: spaceflightnow.com/2025/11/06/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
November 7, 2025 at 3:26 PM
CelesTrak has ephemeris-based SupGP data for all 28 satellites from the Starlink G11-14 launch (2025-254) atop a Falcon 9 rocket from Vandenberg SFB on 2025-11-06 at 21:13:50 UTC: spaceflightnow.com/2025/11/06/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....