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Comet 3I/ATLAS
NASA Science, 2026. NASA Science.
NASA's page for 3I, updated 28 May 2026: first reported to the MPC by ATLAS on 1 July 2025 with archival detections back to 14 June; perihelion about 30 October 2025 at 1.4 au; never closer to Earth than about 1.8 au; observed by Hubble, Webb, TESS, Swift, SPHEREx, Perseverance, MRO, MAVEN, Europa Clipper, Lucy, Psyche, Parker Solar Probe, PUNCH and SOHO.
What it's used for here
The agency record of 3I and the missions that observed it.
Our copy
Research copy, for editors and curators. The work is the publisher's, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
science.nasa.gov · fetched 29 Oct 2026
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Cited by on this site 1 record
1I/'Oumuamua
MYSThe mystery article
Cite it
NASA Science (2026). Comet 3I/ATLAS. NASA Science. https://science.nasa.gov/solar-system/comets/3i-atlas/
@misc{nasa2026comet,
author = {NASA Science},
title = {Comet 3I/ATLAS},
howpublished = {NASA Science},
year = {2026},
url = {https://science.nasa.gov/solar-system/comets/3i-atlas/}
}TY - ELEC TI - Comet 3I/ATLAS AU - NASA Science PY - 2026 JO - NASA Science UR - https://science.nasa.gov/solar-system/comets/3i-atlas/ ER -
. “Comet 3I/ATLAS.” NASA Science (2026).