T.S. Kelso
@tskelso.bsky.social
Operator of CelesTrak, the world's first source for orbital element sets and related software and educational materials.
CelesTrak has ephemeris-based SupGP data for all 24 satellites from the Starlink G17-52 launch (2026-175) atop a Falcon 9 rocket from Vandenberg SFB on 2026-08-01 at 03:08:43 UTC: spaceflightnow.com/2026/07/31/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
18 SDS has cataloged 1 object from the launch (2026-174) of NROL-95 atop a Falcon 9 rocket from Cape Canaveral on Jul 30 at 0710 UTC: spaceflightnow.com/2026/07/29/l.... SATCAT data can be found at: celestrak.org/satcat/table....
18 SDS has cataloged 4 objects from the launch (2026-173) of TJS-27A & 27B atop a Long March-6A rocket from Taiyuan Satellite Launch Center on Jul 30 at 0100 UTC : www.china-in-space.com/p/new-tjsw-s.... SATCAT data can be found at: celestrak.org/satcat/table....
CelesTrak has GP data for 2 objects from the launch (2026-172) of Tianlian 3-01 atop a Long March-7A rocket from Wenchang Satellite Launch Site on Jul 29 at 1150 UTC: www.china-in-space.com/p/first-next.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 24 satellites from the Starlink G17-51 launch (2026-171) atop a Falcon 9 rocket from Vandenberg SFB on 2026-07-25 at 15:51:55 UTC: spaceflightnow.com/2026/07/25/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 5 objects from the launch (2026-170) of 5 satellites atop a Lijian-1 rocket from Jiuquan Space Center on Jul 23 at 2333 UTC: www.china-in-space.com/p/ai-utilizi.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 2 objects from the launch (2026-169) of Tianlian 2-06 atop a Long March-3B rocket from Xichang Launch Facility on Jul 23 at 1200 UTC: www.china-in-space.com/p/new-tiango.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 17 objects from the launch (2026-165) of 16 Rassvet-3 satellites atop a Soyuz-2.1b rocket from Plesetsk Cosmodrome on Jul 19 at ~21:00 UTC: vpk.name/en/1142017_t.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 21 objects from the launch (2026-163) of Tranche 1 Transport Layer E atop a Falcon 9 rocket from Vandenberg SFB on Jul 16 at 2032 UTC: spaceflightnow.com/2026/07/16/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 4 objects from the launch (2026-167) of MRV-1 and 3 MEPs atop a Falcon 9 rocket from Cape Canaveral on Jul 21 at 2115 UTC: spaceflightnow.com/2026/07/21/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 10 objects from the launch (2026-168) of 9 satellites atop a YinLi-1 (Gravity-1) rocket from waters off Shandong Province on Jul 22 at 0254 UTC: www.china-in-space.com/p/orienspace.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for 22 of 24 satellites (so far) from the Starlink G17-39 launch (2026-165) atop a Falcon 9 rocket from Vandenberg SFB on 2026-07-21 at 14:49:34 UTC: spaceflightnow.com/2026/07/21/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
LDPE-3A, launched 2023-01-15, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2026-04-19. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 3 objects from the launch (2026-164) of 4 payloads atop the Vikram-1 test flight from Satish Dhawan Space Centre on Jul 18 at 0635 UTC: timesofindia.indiatimes.com/india/despit.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 1 object from the launch (2026-162) of SOYUZ-MS 29 atop a Soyuz-2.1a rocket from Baikonur Cosmodrome on Jul 14 at 1448 UTC: tass.com/science/2160.... 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 G10-45 launch (2026-161) atop a Falcon 9 rocket from Cape Canaveral on 2026-07-14 at 09:10:12 UTC: spaceflightnow.com/2026/07/13/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for all 27 satellites from the Starlink G15-14 launch (2026-160) atop a Falcon 9 rocket from Vandenberg SFB on 2026-07-14 at 01:28:17 UTC: spaceflightnow.com/2026/07/13/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 21 objects from the launch (2026-155) of 20 Qianfan satellites atop a Long March-8A rocket from Wenchang Satellite Launch Site on Jul 5 at 1343 UTC: www.china-in-space.com/p/largest-qi.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 19 objects from the launch (2026-153) of 18 Qianfan satellites atop a Long March-6A rocket from Taiyuan Space Center on Jul 4 at 0930 UTC: www.china-in-space.com/p/qianfan-gr.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
USA 99 (MILSTAR-1 1), launched 1994-02-07, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2026-05-09. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....
We are now officially at NORAD Catalog Number 100000. There is no GP data available for Saramago yet.
CelesTrak has ephemeris-based SupGP data for all 24 satellites from the Starlink G17-48 launch (2026-159) atop a Falcon 9 rocket from Vandenberg SFB on 2026-07-11 at 03:01:57 UTC: spaceflightnow.com/2026/07/10/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 3 objects from the launch (2026-158) of the Long March-10B demo flight from Wenchang Commercial Space Launch Site on Jul 10 at 0415 UTC: www.china-in-space.com/p/china-reco.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has ephemeris-based SupGP data for 28 of 29 satellites from the Starlink G10-42 launch (2026-157) atop a Falcon 9 rocket from Cape Canaveral on 2026-07-09 at 09:25:43 UTC: spaceflightnow.com/2026/07/09/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has post-deployment SupGP data for the Transporter-17 launch from Vandenberg SFB on 2026-07-07 at 07:12:00.143 UTC: celestrak.org/NORAD/elemen.... Deployment of 69 satellites occurred 2026-07-07 08:06:32.463 UTC until 2026-07-07 09:41:57.983 UTC. See: spaceflightnow.com/2026/07/06/l....
CelesTrak has pre-launch SupGP data for the Transporter-17 launch from Vandenberg SFB on 2026-07-07 at 07:10:10.973 UTC: celestrak.org/NORAD/elemen.... Deployment of 69 objects with 76 satellites is set to occur 2026-07-07 08:04:42.113 UTC until 2026-07-07 09:40:22.913 UTC.
The International Earth Rotation and Reference Systems Service (IERS) advises: "NO leap second will be introduced at the end of December 2026." For more information, see: hpiers.obspm.fr/iers/bul/bul....
Officially, we have 206 5-digit catalog numbers left. But in the past 29 hours we've had 3 launches with 19+29+21=69 satellites. That leaves 137. This week, we have 2 Starlink launches & Transporter-17 with 81+29+24=134. The clock has run out...
CelesTrak has ephemeris-based SupGP data for 26 of 29 satellites (so far) from the Starlink G10-50 launch (2026-154) atop a Falcon 9 rocket from Cape Canaveral on 2026-07-05 at 10:50:00 UTC: spaceflightnow.com/2026/07/04/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....
CelesTrak has GP data for 2 objects from the launch (2026-152) of the Swift boost mission atop a Pegasus XL air-launched rocket on Jul 3 at 0836 UTC: news.northropgrumman.com/spacecraft/n.... Data can be found at: celestrak.org/NORAD/elemen.... More at: www.nasaspaceflight.com/2026/06/swif....
