# STScI 2026: HST program 18152: Monitoring Interstellar Object 3I/ATLAS Departing the Solar System

> STScI, 2026. 3 records on Mysteries Department cite it. STScI 2025. HST program 18152: Monitoring Interstellar Object 3I/ATLAS Departing the Solar System.

Source: https://mysteriesdept.com/sources/SRC0DFPZ6F4M30K/hst-program-18152-monitoring-interstellar-object-3i-atlas  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)STScI 2026

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# HST program 18152: Monitoring Interstellar Object 3I/ATLAS Departing the Solar System

STScI, 2026. _STScI_.

Hubble director's discretionary program 18152 (PI Man-To Hui): monitoring 3I as it leaves, with a search for fragments; windows from 24 November 2025 to April 2026.

**3I/ATLAS** **Primary source** Web page0

## Cited by on this site 3 records

[Hubble detects the nucleus: radius 1.3 ± 0.2 km](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ47J4JQGK/hubble-detects-the-nucleus-radius-1-3-0-2-km)

Evidence

EVD

[Man-To Hui](https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARRPEE/man-to-hui)

FIG

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

The mystery article

MYS

## Cite it

```
STScI (2026). HST program 18152: Monitoring Interstellar Object 3I/ATLAS Departing the Solar System. STScI. https://www.stsci.edu/hst-program-info/download/hst/pdf/18152/
```

[Read it free at stsci.edu](https://www.stsci.edu/hst-program-info/download/hst/pdf/18152/)

Key

**SRC** 0DFPZ6F4M30K

Kind

Web page

Rights

The publisher's

Kept

2 Nov 2026, for editors

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/SRC0DFPZ6F4M30K/hst-program-18152-monitoring-interstellar-object-3i-atlas/csl.json)