# John Tonry · Person

> ATLAS principal investigator; credited on the discovery circular and led the ATLAS photometry paper. In 3I/ATLAS.

Source: https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARRGWN/john-tonry  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)[People](https://mysteriesdept.com/people)John Tonry

Person · in 1 mystery

# John Tonry

ATLAS principal investigator; credited on the discovery circular and led the ATLAS photometry paper

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)[1 event][2 sources]

John Tonry is an ATLAS principal investigator, and appears in the record of 3I/ATLAS as ATLAS principal investigator; credited on the discovery circular and led the ATLAS photometry paper.

One event on the site involves Tonry: ATLAS Chile finds the object (1 Jul 2025).

Written from the site's records. [Improve it](https://mysteriesdept.com/developers)

## In the mysteries

**3I/ATLAS**

ATLAS principal investigator; credited on the discovery circular and led the ATLAS photometry paper · 1 event · 2 sources

[The mystery ](https://mysteriesdept.com/mysteries/3i-atlas)

## What John Tonry did 1

1 Jul 2025[ATLAS Chile finds the object](https://mysteriesdept.com/mysteries/3i-atlas/events/EVT0DFQ70ARZT0C/atlas-chile-finds-the-object)

at [ATLAS Chile, El Sauce Observatory, Río Hurtado](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ARVTK1/atlas-chile-el-sauce-observatory-rio-hurtado) · with [Larry Denneau](https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARR0WH/larry-denneau) · [ATLAS (Asteroid Terrestrial-impact Last Alert System)](https://mysteriesdept.com/mysteries/3i-atlas/organisations/ORG0DFQ70ARRH0M/atlas-asteroid-terrestrial-impact-last-alert-system)

## Worked with 1

[LD

**Larry Denneau**

3I/ATLAS

](https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARR0WH/larry-denneau)

## Organisations 1

[ATLAS (Asteroid Terrestrial-impact Last Alert System)](https://mysteriesdept.com/mysteries/3i-atlas/organisations/ORG0DFQ70ARRH0M/atlas-asteroid-terrestrial-impact-last-alert-system)

ORG

## Places 1

[ATLAS Chile, El Sauce Observatory, Río Hurtado](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ARVTK1/atlas-chile-el-sauce-observatory-rio-hurtado)

telescope site

PLC

## Sources 2

[ATLAS Photometry of Interstellar Object 3I/ATLAS](https://mysteriesdept.com/sources/SRC0DFPWGSF1CZK/atlas-photometry-of-interstellar-object-3i-atlas)

SRC

[MPEC 2025-N12: 3I/ATLAS = C/2025 N1 (ATLAS)](https://mysteriesdept.com/sources/SRC0DFPZ6F4ASFC/mpec-2025-n12-3i-atlas-c-2025-n1-atlas)

Primary

SRC

## Cite it

```
Mysteries Department. (2026). John Tonry [Person FIG0DFQ70ARRGWN]. https://mysteriesdept.com/r/FIG0DFQ70ARRGWN
```

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Key

**FIG** 0DFQ70ARRGWN

Record

Person

Occupation

ATLAS principal investigator; credited on the discovery circular and led the ATLAS photometry paper

Identity

ATLAS principal investigator

In

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)

Version

1

Added by

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

**How this page is made.** The dates, occupation and identity line come from Wikidata (CC0); the portrait is a free file from Wikimedia Commons. Everything else is the site's own record of what this person did in the mysteries.

The record

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[JSON](https://mysteriesdept.com/api/v1/records/FIG0DFQ70ARRGWN)