planet4589 (Jonathan McDowell)

@planet4589
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Astronomer at (but not speaking for) the Center for Astrophysics - Harvard and Smithsonian, working on Chandra, commenting on space launches. Somerville, MA. Orbital Police. All plots/images CC-BY
https://planet4589.org/jcm/index.htmlhttps://planet4589.org/jcm/index.html
OSIRIS-REX sample return capsule (SRC) target landing site is in Utah at about 113 25W 40 20 N
I estimate the OSIRIS REX reentry path passes over San Fran at about 0742 PDT (1442 UTC) at an altitude of around 120 km
The Axiom-2 Dragon is atop the F9 at pad 39A: (still from SpX webcast)
RT @D_Orbit
❗️Mission Update❗️Our flight operations team successfully completed a 120km-orbit raising, positioning ION SCV 007 Glorious Gratia into its new destination orbit ✅ 🎯 Once there, ION successfully released Kelpie-1, a 3U EPIC CubeSat designed and built by @AACClydeSpace
Three of the four suspected SpaceX Starshield prototypes, the classified USA 320 to USA 323 launched on the Transporter 3 mission a year ago, began orbit lowering towards reentry on Feb 2.

RT @NASASpaceflight
LAUNCH! 51 Starlink v1.5 satellites launch on Falcon 9 B B1061-12 from SLC-4E at Vandenberg Space Force Base in California.

Overview:
https://www.nasaspaceflight.com/2023/03/starlink-6-1-2-7/

SpaceX livestream:
https://www.youtube.com/watch?v=BAkApUbevaA

SpaceX prepares v1.5 satellites for launch following debut of Starlink v2 - NASASpaceFlight.com

On Monday, SpaceX conducted the first of two Starlink launches this week from each coast…

NASASpaceFlight.com
The coverage of @kruksandor's paper quantifying satellites photobombing Hubble has revealed that a lot of my followers thing Hubble is still in its original 610 km altitude orbit.
It is not.
On Feb 26 at 1121 UTC (Sunday 5:21 am CST) the Soyuz rocket third stage from the Soyuz MS-23 launch reentered over central Canada, passing over Winnipeg just before breaking up.

RT @JohnBarentine
.@SpaceX published info about v2 Mini on https://api.starlink.com/public-files/Gen2StarlinkSatellites.pdf

In this section, it confirms "SpaceX also started using dielectric mirror film on many surfaces of the satellite, which reflects light away from the ground and leads to less reflectivity."

RT @MetMattTaylor
If you’re in Scotland, Northern Ireland or northern England and have clear skies LOOK UP NOW!!!

One of the most spectacular aurora shows ongoing 😍😍