The fall of asteroid 2024 XA1 and the location of possible meteoritesOPEN ACCESS 

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Francesco Gianotto, Albino Carbognani, Marco Fenucci, Maxime Devogèle, Pablo Ramirez-Moreta, Marco Micheli, Raffaele Salerno, Toni Santana-Ros, Juan Luis Cano, Luca Conversi, Charlie Drury, Laura Faggioli, Dora Föhring, Reiner Kresken, Selina Machnitzky, Richard Moissl, Francisco Ocaña, Dario Oliviero, Eduardo Alonso-Peleato, Margherita Revellino, Regina Rudawska

PDF (OPEN ACCESS) Accepted for publication on Icarus

Update (21 February 2025): Available online 21 February 2025, 116511 LINK

“Highlights

  • Asteroid 2024 XA was discovered on 3 December 2024, and it impacted Earth 10 h later.
  • Impact alarms from ESA Meerkat triggered the follow-up of the object.
  • We determined the orbit and impact point of 2024 XA.
  • We give a possible strewn fields for the fall of asteroid 2024 XA.”

“Asteroid 2024 XA1 was discovered on 3 December 2024 at 05:54 UTC by the Bok telescope in Kitt Peak, Arizona, and impacted Earth about 10 hours later over a remote area of the Sakha Republic (Russia). The estimated size of the object was about one meter, and the atmospheric entry produced a bright fireball that was captured by a webcam and several eyewitnesses. The first impact alert was issued at 07:50 UTC by the Meerkat Asteroid Guard of the European Space Agency, which triggered subsequent follow-up observations that confirmed both the object to be real and the occurrence of the impact with Earth. Here we present the operations and results from the NEO Coordination Centre (NEOCC) upon the impact event. Because the entry likely dropped meteorites on the ground, we also estimate the possible strewn fields for future meteorite search campaigns.”

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