The fall of asteroid 2024 XA1 and the location of possible meteorites

被引：0

作者：

Gianotto, Francesco ^{[1
,2
]}

Carbognani, Albino ^{[3
]}

Fenucci, Marco ^{[1
,4
]}

Devogele, Maxime ^{[1
,2
]}

Ramirez-Moreta, Pablo ^{[5
,6
]}

Micheli, Marco ^{[1
,2
]}

Salerno, Raffaele ^{[7
]}

Santana-Ros, Toni ^{[8
,9
]}

Cano, Juan Luis ^{[10
]}

Conversi, Luca ^{[1
]}

Drury, Charlie ^{[1
]}

Faggioli, Laura ^{[1
,2
]}

Fohring, Dora ^{[1
,2
]}

Kresken, Reiner ^{[10
,11
]}

Machnitzky, Selina ^{[1
,12
]}

Moissl, Richard ^{[1
]}

Ocana, Francisco ^{[5
,6
]}

Oliviero, Dario ^{[1
]}

Alonso-Peleato, Eduardo ^{[1
,13
]}

Revellino, Margherita ^{[1
,14
]}

Rudawska, Regina ^{[15
,16
]}

机构：

[1] ESA ESRIN, NEO Coordinat Ctr, PDO, Largo Galileo Galilei 1, I-00044 Frascati, RM, Italy

[2] Starion Italia, Via Grotte Portella 28, I-00044 Frascati, RM, Italy

[3] INAF Osservatorio Astrofis & Sci Spazio, Via Gobetti 93-3, I-40129 Bologna, Italy

[4] Deimos Italia Srl, Via Alcide De Gasperi 24, I-28060 San Pietro Mosezzo, NO, Italy

[5] ESA ESAC, PDO Villafranca del Castillo, Bajo Del Castillo S N, Madrid 28692, Spain

[6] Deimos Space SLU, Ronda De Poniente 19, Tres Cantos 28760, Madrid, Spain

[7] Meteo Expert, Via G Marconi 27, I-20054 Milan, Italy

[8] Univ Alicante, Dept Fis Ingn Sistemas & Teoria Senal, Carr San Vicente Del Raspeig S N, San Vicente Del Raspeig 03690, Alicante, Spain

[9] Univ Barcelona IEEC UB, Inst Ciencies Cosmos ICCUB, Carrer Martii Franques 1, E-08028 Barcelona, Spain

[10] ESA ESOC, PDO, Robert Bosch Str 5, D-64293 Darmstadt, Germany

[11] CGI Deutschland BV & Ko KG, Rhein Str 95, D-64295 Darmstadt, Germany

[12] Univ Freiburg, Fahnenbergplatz, D-79085 Freiburg, Germany

[13] Alia Space Syst Srl, Via San Giuseppe Calasanzio 15, I-00044 Frascati, RM, Italy

[14] Delft Univ Technol, Mekelweg 5, NL-2628 CD Delft, Netherlands

[15] ESA ESTEC, PDO, Keplerlaan 1, NL-2201 AZ Noordwijk, Netherlands

[16] Starion Netherlands, Schuttersveld 2, NL-2316 ZA Leiden, Netherlands

来源：

ICARUS | 2025年 / 433卷

关键词：

Near-Earth objects; Meteors; Asteroids; Astrometry; Orbit determination; Meteorites; IMPACT; RECOVERY;

D O I：

10.1016/j.icarus.2025.116511

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 h 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.

引用

页数：10

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