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The Loeb Scale: Astronomical Classification of Interstellar Objects
Omer Eldadi, Gershon Tenenbaum, Abraham Loeb, 2025. arXiv.
Proposes a 0-10 scale of how anomalous an interstellar object is, with levels 8-10 for confirmed artificial origin, and places 1I and 3I at level 4 and 2I at level 0.
What it's used for here
Where Loeb's group places 'Oumuamua on its own scale.
Our copy
Research copy, for editors and curators. The work is arXiv-nonexclusive, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
arxiv.org · fetched 27 Oct 2026Open the file
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Cited by on this site 1 record
1I/'Oumuamua
MYSThe mystery article
Cite it
Eldadi, O., Tenenbaum, G., & Loeb, A. (2025). The Loeb Scale: Astronomical Classification of Interstellar Objects. arXiv. https://arxiv.org/abs/2508.09167
@article{eldadi2025loeb,
author = {Eldadi, Omer and Tenenbaum, Gershon and Loeb, Abraham},
title = {The Loeb Scale: Astronomical Classification of Interstellar Objects},
journal = {arXiv},
year = {2025},
url = {https://arxiv.org/abs/2508.09167}
}TY - GEN TI - The Loeb Scale: Astronomical Classification of Interstellar Objects AU - Eldadi, Omer AU - Tenenbaum, Gershon AU - Loeb, Abraham PY - 2025 JO - arXiv UR - https://arxiv.org/abs/2508.09167 ER -
Eldadi, Omer et al.. “The Loeb Scale: Astronomical Classification of Interstellar Objects.” arXiv (2025).