Coordinated observations of a ~45 g earthgrazing fireball localize thermospheric shock generation to volatile-enhanced hydrodynamic shielding that enables continuum-like flow and detectable infrasound.
Icarus, 117007,10.1016/j.icarus.2026.117007
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High-resolution WRF atmospheric models show that wind-induced shifts in meteorite ground positions are typically 143-307 m, exceeding observational uncertainties, with successful use in recovering 12 meteorites and open release of 1107 models for 302 events.
Sakurai blast radius formulation matches observed infrasound periods from OSIRIS-REx reentry with 9% median absolute percentage residual, outperforming Mach-diameter approximation by factor of three.
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Benchmarking Cylindrical Blast Wave Theory Against the OSIRIS-REx Sample Return Capsule Reentry
Sakurai blast radius formulation matches observed infrasound periods from OSIRIS-REx reentry with 9% median absolute percentage residual, outperforming Mach-diameter approximation by factor of three.