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EN
Three cameras of the Belarusian Meteor Network (BMN) in Minsk and Gayany recorded a bright fireball on 8th January 2024 at 01:30:24 UTC. Calculations using UFOOrbit showed that the meteoroid belonged to the Atens group of near-Earth asteroids, whose orbits cross the Earth’s orbit from the inner side (objects-like the asteroid Apophis). Camera in Gayany captured the 1st and 2nd order spectra which showed a typical picture for a meteoroid of chondritic composition. The event was also analysed in terms of meteorite fall, resulting in the calculated strewn field near Rovanichi, Minsk Oblast, Belarus.
EN
Cosmogenic radionuclides in meteoroids are produced in space in the process of activation. These nuclides have various lifetimes in range from a few days to several hundred thousand years and can therefore be helpful in solving several problems related to the study of meteoroids and their remains, both in space and on the Earth. The simplest application of cosmogenic radionuclide decay in meteorites is to determine the terrestrial age of meteorites, especially those whose fall has not been observed. In this article, we present an additional application of cosmogenic radionuclide measurements, namely for the verification of origin of rocks that show equivocal features and may potentially represent meteorites.
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