Thread by @tw__astro

🚨ATTENTION! A small asteroid is expected to safely impact the French-English channel in ~4 hours time, 03:00:03 UT tomorrow. Object size is around ~1 meter and should appear as bright as the Moon momentarily as it enters the atmosphere. Approx visibility circle posted below. 1/

Object was discovered by the Konkoly Observatory in Hungary a few hours ago. Temporary designation of the object is Sar2667. It is expected to enter the atmosphere at around a 45° angle, coming from the East. 2/

Impact time of 03:00:03 has an uncertainty of a few minutes as it stands, but should be narrowed down to a few seconds by impact time. I'll keep it updated here in this thread. 3/

Info from respectable comet/asteroid enthusiast, friend and planetary scientist, Sam Deen.

Note this circle is approximate. It is possible the event will be visible outside this range, albeit less spectacular.

New info. Velocity is around 14.2km/s. Duration of atmospheric entry should be on the order of 10-15 seconds. 4/ #Sar2667 #Asteroid

UPDATE: Impact time has been narrowed down to 02:59:17 UT (+/- 30 sec) #Sar2667 #Asteroid

FYI confirmed discover is Krisztián Sárneczky - his second impactor detection. Massive congrats & credit to him.

FINAL UPDATE: Atmospheric entry (aka breach of 50km altitude) confirmed to be 02:59:17 UT +/- 1 sec. 1h 10m from now.
#Asteroid #Sar2667 is currently ~10,000km away (Diameter of Earth) at the time of this tweet. It will enter Earth's shadow ~5 mins before impact.

Now 2:59:16.8 UTC +/- 0.2 sec. Crazy devices we have these days.

Live webcam that should have a decent view: skylinewebcams.com/en/webcam/unit…

Bang! That’s not the sun. #asteroid

The now ex-asteroid (#Sar2667) has been designated 2023 CX1. With that, ends my (hopefully rewarding) coverage of this rare event.
Once more, a special thanks to my source, planetary scientist & friend, Sam Deen.