Array-based seismic measurements of OSIRIS-REx's re-entry

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Authors

Benjamin Fernando , Constantinos Charalambous, Nicholas Schmerr, Timothy J Craig, Jonathan Wolf , Kevin Lewis, Eleanor Sansom, Christelle Saliby, Meaghan McCleary, Jennifer Inman, Justin LaPierre, Miro Giannone, Karen Pearson, Michael Fleigle, Carene Larmat, Ozgur Karatekin, Lavender Elle Hanson, Shivani Baliyan, David Buttsworth, Hiu Ching Jupiter Cheng, Neeraja S. Chinchalkar, Luke Daly, Hadrien Devillepoix, Aly Muhammad Gajani, Carina Gerritzen, Harish n/a, Daniel Hicks, Roy Johnson, Sabrina Khan, Sarah N. Lamm, Cara Pesciotta, Tom Rivlin, Lucie Rolland, Maxwell Marzban Thiemens, Alice Turner, Fabian Zander

Abstract

The return home of the OSIRIS-REx spacecraft in September 2023 marked only the fifth time that an artificial object entered the Earth's atmosphere at interplanetary velocities. Although rare, such events serve as valuable analogues for natural meteoroid re-entries; enabling study of hypersonic dynamics, shockwave generation, and acoustic-to-seismic coupling. Here, we report on the signatures recorded by a dense (100-m scale) 11-station array located almost directly underneath the capsule's point of peak atmospheric heating in northern Nevada. Seismic data are presented which allow inferences to be made about the shape of the shockwave's footprint on the surface, the capsule's trajectory, and its flight parameters.

DOI

https://doi.org/10.31223/X51D7H

Subjects

Earth Sciences, Geophysics and Seismology, Physical Sciences and Mathematics, Planetary Sciences

Keywords

Seismoacoustics

Dates

Published: 2024-08-23 22:36

Last Updated: 2024-08-24 05:36

License

CC-By Attribution-NonCommercial-NoDerivatives 4.0 International

Additional Metadata

Conflict of interest statement:
None