May 4, 2024

Planetary Defense: Asteroid Racing Toward Earth Discovered Just Hours Before Impact

About 40 minutes later, follow-up observations reported by the Višnjan Observatory in Croatia verified the object. At this moment, different impact assessment systems around the world computed a 100% impact likelihood, expected above the English Channel between 02:00– 04:00 UTC. The asteroid was estimated to be around one meter in size and presented no hazard to people or residential or commercial property.
First impact evaluation by ESAs tool Meerkat as reported at 21:33 UTC with only 7 measurements, currently suggesting an effect probability of ~ 100%. Credit: ESA/ PDO
Over the next seven hours, astronomers around the world observed the Earth-bound object and identified its effect passage over the Channel with a trajectory going from west to east. The item continued to be observed till just 10 minutes prior to impact, only 5 minutes prior to it fell under Earths shadow ending up being undetectable.
On effect, the stunning fireball lit up the skies within the expected time window (at 02:59 UTC) and area. Observations came mainly from southern UK and France but likewise from Belgium, the Netherlands and even Germany. It is most likely that some pieces of the meteoroid might have survived its atmospheric journey and landed someplace onshore, close to the coast north of Rouen in Normandy, France.
Impact corridor reported by ESAs tool Meerkat as reported at 21:33 UTC, with the real effect time at 02:59 UTC in the middle of the uncertainty window. Credit: ESA/ PDO
The group at ESAs Planetary Defence Office contributed to this historical event both with timely notices from the Meerkat alerting system and use of a network of optical telescopes established for just these celebrations.
As it ends up being more common that we can predict these little, stunning shooting stars in our skies, more people can be in the right place at the right time to witness a phenomenon only couple of have actually been lucky enough to find in the past.
Of course, one day well discover an impending impactor that isnt one meter in size, however maybe 100. To secure ourselves, as NASAs DART objective has actually shown is possible and ESAs Hera Mission will build on, we require to see them coming.

Asteroid 2023 CX1 getting in Earths atmosphere caught in the skies over the southern Netherlands. Credit: Gijs de Reijke
Seventh Shooting Star Ever Spotted Before Impact
For the seventh time, a small asteroid– a meteoroid as astronomers call it– was discovered in area as it raced towards Earth for impact. The predicted time and location of the impact (02:50– 03:03 UTC, above northern France) were made possible with observations by European astronomer Krisztián Sárneczky utilizing the 60 cm Schmidt telescope from the Piszkésteto Observatory in Hungary. 2023 CX1 is the second impactor found by Krisztián, after the impact of 2022 EB5 less than a year back.
The last 3 anticipated effects have all happened in the last 12 months– a motivating illustration of how asteroid detection capabilities are rapidly advancing.
On impact, the beautiful fireball lit up the skies within the anticipated time window (at 02:59 UTC) and place. Observations came mostly from southern UK and France however likewise from Belgium, the Netherlands and even Germany.
What took place?
At 20:18:07 UTC on February 12, 2023, the brand-new asteroid (now officially designated 2023 CX1 however initially designated Sar2667 by its originator) was imaged by the Piszkésteto Observatory. Once a 2nd observation was taken, it was reported to the Minor Planet Center at 20:49 UTC.

For the seventh time, a small asteroid– a meteoroid as astronomers call it– was found in area as it raced towards Earth for effect. The anticipated time and area of the effect (02:50– 03:03 UTC, above northern France) were made possible with observations by European astronomer Krisztián Sárneczky using the 60 cm Schmidt telescope from the Piszkésteto Observatory in Hungary. On impact, the beautiful fireball lit up the skies within the expected time window (at 02:59 UTC) and location. At this point, numerous effect assessment systems around the globe determined a 100% effect probability, expected above the English Channel in between 02:00– 04:00 UTC. On impact, the stunning fireball lit up the skies within the anticipated time window (at 02:59 UTC) and area.