Jonathan McDowell
planet4589.bsky.social
Jonathan McDowell
@planet4589.bsky.social
Astrophysicist
LAUNCH at 0753 UTC Nov 22 of Starlink Group 6-79 from Canaveral
November 22, 2025 at 3:59 PM
Belatedly - LAUNCH at 1243 UTC Nov 20 of a secret commercial satellite by Electron from Mahia, suspected to be a BlackSky Global imaging sat.
[my original post seems to have disappeared, sorry about that]
November 22, 2025 at 3:57 PM
TJS 21 cataloged in 51 deg elliptical transfer orbit and
is likely heading to a Molniya orbit - it is apparently a successor to TJS 13.
November 22, 2025 at 12:08 AM
LAUNCH at 1055 UTC Nov 21 of TJS21 by a Chang Zheng 3B from Xichang to geotransfer orbit.
November 21, 2025 at 3:49 PM
LAUNCH at 0339 UTC Nov 21 of Starlink Group 6-78 from Kennedy Space Center
November 21, 2025 at 3:47 AM
The Meteor-Priroda No. 2-4 remote sensing satellite, launched by the USSR on 1981 Jul 10, reentered over Antarctica at 0918 UTC 2025 Nov 20 after 44 years in orbit
November 20, 2025 at 11:26 PM
The three SJ-30 satellites launched on Nov 19 have been cataloged in a 511 x 528 km x 51.8 deg orbit.
November 20, 2025 at 7:38 AM
On Nov 18 at 1005 UTC NASA launched a Terrier /Improved Malemute rocket on suborbital flight NASA 46.040WO from Andoya to 268 km apogee with the GHOST student atmospheric research payload.
November 19, 2025 at 6:16 AM
Jonathan's Space Report No. 851 published at planet4589.org/jsr.html
November 19, 2025 at 6:12 AM
LAUNCH at 0012 UTC Nov 19 of Starlink Group 6-94 from Canaveral [corrected time from earlier post]
November 19, 2025 at 5:20 AM
LAUNCH at 0401 UTC Nov 19 of a CZ-2C from Jiuquan with the 实践三十号A、B、C星 (Shi Jian 30A, 30B and 30C) satellites
November 19, 2025 at 4:46 AM
The discarded Shenzhou 21 orbital module has been cataloged as object 66515 in a 382 x 388 km orbit
November 18, 2025 at 5:56 AM
Sentinel-6B cataloged in a 1308 x 1327 km x 66.1 deg orbit, confirming successful launch
November 17, 2025 at 7:48 PM
Sentinel-6B has separated from the Falcon 9 and is in a 66 deg inclination orbit.
November 17, 2025 at 6:21 AM
LAUNCH at 0521 UTC Nov 17 of Falcon 9 from Vandenberg with the Sentinel-6B ocean sea level altimetry satellite, a joint EU/NASA project
November 17, 2025 at 5:24 AM
Viasat-3F2 and Centaur AV-100 cataloged in 12316 x 23667 km x 6.6 deg and 12252 x 23673 km x 6.0 deg orbits, confirming successful launch.
November 17, 2025 at 2:26 AM
Boston area folks:
Brickbottom Open Art Studios next weekend, Nov 22-23 afternoons, including my exhibit of images from the Smithsonian's telescopes.
November 15, 2025 at 9:08 PM
The NewGlenn GS2 stage has been tracked by astronomers in a 315 km perigee hyperbola with C3=0.23 which (preliminary estimate) will send it to a 0.98 x 1.08 AU x 0.1 deg heliocentric orbit (Further observations will refine this assessment)
November 15, 2025 at 7:29 PM
LAUNCH at 0644 UTC Nov 15 of Starlink Group 6-85 from Canaveral
November 15, 2025 at 6:52 AM
LAUNCH at 0308 UTC Nov 15 of Starlink Group 6-89 from Kennedy Space Center
November 15, 2025 at 3:18 AM
Shenzhou-21 landed in China at 0840 UTC
The former Shenzhou-20 crew undocked from the Chinese Space Station at 0314 UTC Nov 14 in Shenzhou 21. This leaves the former SZ-21 crew on CSS with SZ-20, which has a cracked window pane
November 14, 2025 at 1:08 PM
The former Shenzhou-20 crew undocked from the Chinese Space Station at 0314 UTC Nov 14 in Shenzhou 21. This leaves the former SZ-21 crew on CSS with SZ-20, which has a cracked window pane
November 14, 2025 at 5:29 AM
LAUNCH at 0304 UTC Nov 14 of Atlas AV-100 from Canaveral with the Viasat-3F2 communications sat
November 14, 2025 at 3:14 AM
The two ESCAPADE spacecraft have separated from the New Glenn following a successful launch. GS2 stage making a "CCAM" avoidance burn.
November 13, 2025 at 9:31 PM
New Glenn 2 stage GS2 now in parking orbit. Does anyone know if the 'miles' on the webcast altitude are statute or nautical? Assuming statute, orbit around 160 x 400 km? AFAIK Blue has not reported perigee/apogee
November 13, 2025 at 9:18 PM