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A study finds seismic networks can detect space debris sonic booms, improving reentry tracking accuracy.
A new study demonstrates that earthquake monitoring networks can detect sonic booms from falling space debris, improving tracking accuracy during atmospheric reentry.
Researchers used seismic data from over 120 stations to map the 2024 descent of a 1.5-ton Chinese module over Southern California, locating it nearly 20 miles further south than radar predicted.
The method, published in Science, could help identify debris fall zones more quickly, especially as the number of satellites increases as a result of projects such as SpaceX's Starlink.
Though no debris was discovered, the technique provides a faster way to track uncontrolled reentries and may help with future deorbiting efforts, such as NASA's planned disposal of the International Space Station.
Scientists hope to create a database of seismically tracked reentries and refine models using wind data, but faster analysis is required to keep up with rising orbital congestion.
Un estudio encuentra que las redes sísmicas pueden detectar booms sónicos de escombros espaciales, mejorando la precisión de seguimiento de reentrada.