CelesTrak has ephemeris-based SupGP data for all 25 satellites from the Starlink G17-33 launch (2026-025) atop a Falcon 9 rocket from Vandenberg SFB on 2026-02-07 at 20:58:09 UTC: spaceflightnow.com/2026/02/07/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 4 objects from the launch (2026-024) of an experimental spaceplane atop a Long March-2F rocket from Jiuquan Satellite Launch Center on Feb 7 at ~0358 UTC: www.china-in-space.com/p/chinas-reu.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 9 objects from the launch (2026-023) of COSMOS 2600 (not 2597) and multiple other satellites atop a Soyuz-2.1b rocket from Plesetsk Cosmodrom on Feb 5 at 1859 UTC: tass.com/science/2082.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

The ephemeris for AMC-21 (used for SupGP), launched 2008-08-14, has stopped updating after circularizing its orbit well above GEO graveyard altitude o/a 2026-01-24. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for all 25 satellites from the Starlink G17-32 launch (2026-022) atop a Falcon 9 rocket from Vandenberg SFB on 2026-02-02 at 15:47:11 UTC: spaceflightnow.com/2026/02/01/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

XM-3 (RHYTHM), launched 2005-03-01, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2025-11-12. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2026-021) of AlSat-3B atop a Long March-2C rocket from Jiuquan Satellite Launch Center on Jan 31 at 0401 UTC: www.china-in-space.com/p/second-alg.... 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 G6-101 launch (2026-020) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-30 at 07:22:00 UTC: spaceflightnow.com/2026/01/30/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 3 objects from the launch (2026-019) of NEONSAT-1A atop an Electron rocket from Māhia Peninsula, NZ on Jan 30 at 0121 UTC: spacenews.com/rocket-lab-l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for all 25 satellites from the Starlink G17-19 launch (2026-018) atop a Falcon 9 rocket from Vandenberg SFB on 2026-01-29 at 17:53:20 UTC: spaceflightnow.com/2026/01/29/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 1 object from the launch (2026-017) of GPS B3-9 atop a Falcon 9 rocket from Cape Canaveral on Jan 28 at 0453 UTC: spaceflightnow.com/2026/01/26/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 4 objects from the launch (2026-015) of 2 satellites atop an Electron rocket from Māhia Peninsula, NZ on Jan 22 at 1052 UTC: spacenews.com/rocket-lab-l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for all 25 satellites from the Starlink G17-20 launch (2026-016) atop a Falcon 9 rocket from Vandenberg SFB on 2026-01-25 at 17:30:39 UTC: spaceflightnow.com/2026/01/25/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

18 SDS has cataloged 9 objects from the launch (2026-011) of NROL-105 atop a Falcon 9 rocket from Vandenberg SFB on Jan 17 at 0439 UTC: spaceflightnow.com/2026/01/16/l.... SATCAT data can be found at: celestrak.org/satcat/table.... If data becomes available, see: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 4 objects from the launch (2026-010) of Tianqi 37-40 atop a Ceres-1S rocket from the waters off Shandong Province on Jan 15 at 2010 UTC: www.china-in-space.com/p/commercial.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 40 objects from the launch (2026-004) of Twilight with 40 rideshare passengers atop a Falcon 9 rocket from Vandenberg SFB on Jan 11 at 1344 UTC: spaceflightnow.com/2026/01/10/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for all 25 satellites from the Starlink G17-30 launch (2026-014) atop a Falcon 9 rocket from Vandenberg SFB on 2026-01-22 at 05:47:29 UTC: spaceflightnow.com/2026/01/21/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 7 of 9+ objects from the launch (2026-013) of GuoWang Group 19 atop a Long March-12 rocket from Wenchang Space Launch Site on Jan 19 at 0748 UTC: www.china-in-space.com/p/second-com.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

No SATCAT data from 18 SDS for 2026-004 (Twilight, 40+), -005 (Starlink G6-97, 29), -008 (Starlink G6-98, 29), -011 (NROL-105, ?), -012 (Starlink G6-100, 29), -013 (GuoWang Group 19, 10): celestrak.org/satcat/table.... In addition, no GP for those or 2026-010 (Tianqi 37-40, 4+). Is this acceptable?

For some reason, GPS B3-4 (SSC 46826) is now on the 'Lost List' and hasn't been tracked by 18 SDS since Dec 16: celestrak.org/NORAD/elemen.... This despite their data being within 25 km of the GPS almanac-based position used to produce CelesTrak's SupGP data: celestrak.org/NORAD/elemen....

NOAA is predicting elevated geomagnetic activity for Jan 19 & 20: celestrak.org/SpaceData/.

CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-100 launch (2026-012) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-18 at 23:31:40 UTC: spaceflightnow.com/2026/01/18/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

1/ 18 SDS has cataloged an object from a launch out of Jiuquan Satellite Launch Center on Jan 17 (celestrak.org/satcat/table...). The only launch from JSC was the Ceres-2 demo, which is reported to have failed shortly after liftoff, destroying all payloads (www.china-in-space.com/p/new-commer...).

CelesTrak has GP data for 2 objects from the launch (2026-009) of AlSat-3A atop a Long March-2C rocket from Jiuquan Satellite Launch Center on Jan 15 at 0401 UTC: www.china-in-space.com/p/algerian-r.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

LUCH (OLYMP-K 1), launched 2014-09-27, has completed a full circuit of the GEO belt since circularizing its orbit well above GEO graveyard altitude o/a 2025-10-22. As it appears to have been decommissioned, the CelesTrak SATCAT has been updated: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-98 launch (2026-008) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-14 at 18:08:20 UTC: spaceflightnow.com/2026/01/14/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 of 9+ objects from the launch (2026-007) of Guowang Group 18 atop a Long March-8A rocket from Wenchang Commercial Space Launch Site on Jan 13 at 1525 UTC: www.china-in-space.com/p/wenchang-l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2026-006) of Yaogan-50 01 atop a Long March-6A rocket from Taiyuan Satellite Launch Center on Jan 13 at 1416 UTC: www.china-in-space.com/p/chinas-fir.... 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 G6-97 launch (2026-005) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-12 at 21:08:20 UTC: spaceflightnow.com/2026/01/12/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 G6-96 launch (2026-003) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-09 at 21:41:00 UTC: spaceflightnow.com/2026/01/08/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 50 of 52+ objects from the launch (2025-313) of AIST-2T 01 & 02 plus 50 small satellites atop a Soyuz-2.1b rocket from Vostochny Cosmodrome on Dec 28 at 1318 UTC: tass.com/science/2065.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 4 of 10 objects from the launch (2025-311) of Guowang Group 17 atop a Long March-8A rocket from Wenchang Space Launch Site on Dec 25 at 2326 UTC: www.china-in-space.com/p/long-march.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

Per the International Earth Rotation and Reference Systems Service (IERS) Bulletin C, there will be NO leap second introduced at the end of June 2026: hpiers.obspm.fr/iers/bul/bul.... Additional information can be found at: hpiers.obspm.fr/eop-pc/index....

CelesTrak has ephemeris-based SupGP data for all 29 satellites from the Starlink G6-88 launch (2026-002) atop a Falcon 9 rocket from Cape Canaveral on 2026-01-04 at 06:48:10 UTC: spaceflightnow.com/2026/01/04/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 1 object from the launch (2026-001) of CSG-3 atop a Falcon 9 rocket from Vandenberg SFB on Jan 3 at 0209 UTC: spaceflightnow.com/2026/01/02/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 of 3 objects from the launch (2025-315) of SHIJIAN 29A & 29B atop a Long March-7A rocket from Wenchang Space Launch Site on Dec 30 at 2240 UTC: www.china-in-space.com/p/china-conc.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2025-314) of TIANHUI 7 atop a Long March-4B rocket from Jiuquan Satellite Launch Center on Dec 30 at 0412 UTC: www.china-in-space.com/p/new-cartog.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2025-312) of Fengyun-4C atop a Long March-3B rocket from Xichang Satellite Launch Center on Dec 26 at 1607 UTC: www.china-in-space.com/p/upgraded-w.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2025-309) of BlueBird 6 atop an LVM3 rocket from Satish Dhawan Space Centre on Dec 24 at 0325 UTC: timesofindia.indiatimes.com/science/isro.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2025-310) of Obzor-R 1 atop a Soyuz-2.1a rocket from Plesetsk Cosmodrome on Dec 25 at 1411 UTC: russianspaceweb.com/obzor-r1.html. Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 1 object from the launch (2025-308) of a Long March-12A rocket from Jiuquan Satellite Launch Center on Dec 23 at 0200 UTC: www.china-in-space.com/p/shanghai-a.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 3 objects from the launch (2025-307) of QPS-SAR-15 (SUKUNAMI-I) atop an Electron rocket from Māhia Peninsula, NZ on Dec 21 at 0636 UTC: rocketlabcorp.com/updates/rock.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 2 objects from the launch (2025-306) of TJS-23 atop a Long March-5 rocket from Wenchang Space Launch Site on Dec 20 at 1230 UTC: www.china-in-space.com/p/second-mas.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 112 of 140+ objects from the launch (2025-276) of Transporter-15 atop a Falcon 9 rocket from Vandenberg SFB on Nov 28 at 1844 UTC: spaceflightnow.com/2025/11/28/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 5 of 6 objects from the launch (2025-305) of STP-S30 atop an Electron rocket from Mid-Atlantic Regional Spaceport, Wallops Island on Dec 18 at 0503 UTC: spaceflightnow.com/2025/12/18/r.... 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 G15-13 launch (2025-304) atop a Falcon 9 rocket from Vandenberg SFB on 2025-12-17 at 15:27:50 UTC: spaceflightnow.com/2025/12/17/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 G6-99 launch (2025-303) atop a Falcon 9 rocket from Cape Canaveral on 2025-12-17 at 13:42:10 UTC: spaceflightnow.com/2025/12/16/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 3 objects from the launch (2025-302) of Galileo FM33 & FM34 atop an Ariane 6 rocket from Europe’s Spaceport in French Guiana on Dec 17 at 0501 UTC: newsroom.arianespace.com/with-ariane-.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has GP data for 1 of 2 objects from the launch (2025-300) of Ziyuan 3-04 atop a Long March-4B rocket from Taiyuan Satellite Launch Center on Dec 16 at 0317 UTC: www.china-in-space.com/p/replacemen.... Data for the launch can be found at: celestrak.org/NORAD/elemen....

CelesTrak has ephemeris-based SupGP data for 24 of 27 satellites from the Amazon Leo KA-04 launch (2025-301) atop a Atlas V rocket from Cape Canaveral on 2025-12-16 at 08:28 UTC: spaceflightnow.com/2025/12/15/l.... Data for the launch can be found at: celestrak.org/NORAD/elemen....