# Eldadi 2025: The Loeb Scale: Astronomical Classification of Interstellar Objects

> Omer Eldadi, Gershon Tenenbaum, Abraham Loeb, 2025. 1 records on Mysteries Department cite it. Where Loeb's group places 'Oumuamua on its own scale.

Source: https://mysteriesdept.com/sources/SRC0CSKBF9P5MF1/the-loeb-scale-astronomical-classification-of-interstellar  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)Eldadi 2025

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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.

**1I/'Oumuamua** PreprintChecked against the original0

## What it's used for here

Where Loeb's group places 'Oumuamua on its own scale.

## Cited by on this site 1 record

[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)

The mystery article

MYS

## Cite it

```
Eldadi, O., Tenenbaum, G., & Loeb, A. (2025). The Loeb Scale: Astronomical Classification of Interstellar Objects. arXiv. https://arxiv.org/abs/2508.09167
```

[Read it free at arxiv.org](https://arxiv.org/abs/2508.09167)

Key

**SRC** 0CSKBF9P5MF1

Kind

Preprint

Rights

arXiv-nonexclusive

Kept

27 Oct 2026, for editors

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC0CSKBF9P5MF1/the-loeb-scale-astronomical-classification-of-interstellar/csl.json)