Planetary Defense Use of the SPHEREx Solar System Object Catalog
arxiv(2024)
摘要
The upcoming NASA SPHEREx (Spectro-Photometer for the History of the
Universe, Epoch of Reionization, and Ices Explorer) all-sky 0.7 to 5.0 um
spectral survey, to be conducted from 2025 to 2027, provides a unique
space-based opportunity to detect, spectrally categorize, and catalog hundreds
of thousands of solar system objects at WISE/NEOWISE sensitivities. This paper
discusses the unique near-infrared capabilities of SPHEREx, its potential
applications in Planetary Defense, (PD), and the implications for risk
mitigation associated with Potentially Hazardous Objects (PHOs). By leveraging
SPHEREx data, scientists and decision-makers can enhance our ability to track
and characterize PHOs, ultimately contributing to the protection of our planet.
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