Jonathan McDowell (@planet4589) 's Twitter Profile
Jonathan McDowell

@planet4589

Astronomer commenting on space launches. Orbital Police. Personal account. All plots CC-BY. @planet4589 on Ma, bsky, etc.

ID: 19355829

linkhttp://www.planet4589.org calendar_today22-01-2009 19:31:06

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Jonathan McDowell (@planet4589) 's Twitter Profile Photo

LAUNCH at 0300 UTC Jul 15 of JAXA's S-310-46 suborbital ionospheric research rocket from Uchinoura; target apogee altitude is 127 km.

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

Splashdown of the Dragon Grace ship on the Axiom-4 mission at about 0931:36 UTC Jul 15 close to 117.7W 32.6N off the coast of San Diego

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

ISS orbit boost at 1445 UTC Jul 16, using the Progress MS-30 freighter. Delta-V of 1.1m/s; unusually, Russian statements did not include the burn duration

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

NASA's TRACE solar observatory, which operated from 1998 to 2010, reentered over the ocean 600 km south of Perth, W Australia at 1137 UTC Jul 18.

NASA's TRACE solar observatory, which operated from 1998 to 2010,  reentered over the ocean 600 km south of Perth, W Australia at 1137 UTC  Jul 18.
Jonathan McDowell (@planet4589) 's Twitter Profile Photo

LAUNCH at 1900 UTC Jul 18 of a NASA Black Brant IX suborbital rocket from White Sands on flight NASA 36.372US carrying the U Colorado SNIFS ultraviolet telescope/spectrograph to observe the Sun. Apogee was 350 km.

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

LAUNCH on Jul 21 of a Qased vehicle from Shahroud, Iran on a suborbital trajectory. Qased previously made 3 successful orbital flights; this flight is claimed as a tech development test for future orbital missions.

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

LAUNCH at 1813 UTC Jul 23 of Falcon 9 from Vandenberg with TRACERS T1/T2, Bard, REAL, LIDE, EPIC Athena, and Skykraft 4/4A/4B/4C/4D.

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

The O3b MP-9/10 satellites and the Falcon 9 upper stage, launched yesterday, cataloged in expected 2654 x 7018 km x 9.7 deg insertion orbit. The payloads will raise their orbits to circularize at apogee.

Jonathan McDowell (@planet4589) 's Twitter Profile Photo

7 objects cataloged from the TRACERS launch in a 588 x 594 km x 97.7 deg, 0956 LTDN sun-synch orbit. Consistent with the expected payloads assuming the 5 Skykraft-4 sats are still attached to each other

Lukas C. H. (@gewoonlukas_) 's Twitter Profile Photo

It has taken some time, but the payload from Rocket Lab's "Symphony In The Stars" mission has been cataloged as "Lyra-4", confirming that it did indeed carry a Lyra Block 1 satellite for EchoStar. celestrak.org/satcat/table-s… Tran

It has taken some time, but the payload from Rocket Lab's "Symphony In The Stars" mission has been cataloged as "Lyra-4", confirming that it did indeed carry a Lyra Block 1 satellite for EchoStar. celestrak.org/satcat/table-s… <a href="/trypto_tran/">Tran</a>