ISO Tracker

Interstellar Objects

Tracking 3 confirmed interstellar objects

3I/ATLAS

A/2025 O1

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interstellar
NASA ID:3I
Discovered:7/1/2025
Checking...
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2I/Borisov

C/2019 Q4

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interstellar
NASA ID:2I
Discovered:8/30/2019
Checking...
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1I/'Oumuamua

A/2017 U1

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interstellar
NASA ID:1I
Discovered:10/19/2017
Checking...
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