Interstellar Visitor

3I/ATLAS

Track the journey of the mysterious interstellar object as it travels through our solar system

Explore 3I/ATLAS

Critical Trajectory Milestones

Perihelion
Closest approach to the Sun
Oct 29, 2025
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Earth Flyby
Closest approach to Earth
Dec 19, 2025
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Live Trajectory

Track 3I/ATLAS in real-time with NASA data including current position, velocity, and sky coordinates.

Discovery

What is 3I/ATLAS?

3I/ATLAS is a mysterious interstellar comet that originated from outside our solar system. Discovered in July 1st 2025, this celestial visitor offers unprecedented insights into the composition and formation of objects in distant star systems.

3I/ATLAS artistic rendering

Latest Updates

Breaking
3I/ATLAS Just Changed Color and Scientists Are Baffled
The mysterious interstellar visitor has suddenly shifted from red to green, defying all expectations and revealing chemical signatures that challenge everything we thought we knew about space objects.
September 14, 2025
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Breaking
3I/ATLAS Shows Unprecedented Light Properties Unlike Any Known Space Object
New polarimetric observations reveal that our mysterious interstellar visitor exhibits light-scattering properties never seen before in any asteroid or comet, deepening the mystery of its true nature.
September 10, 2025
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Latest Images
3I/ATLAS Awakens: Stunning New Images Show Dramatic Tail Growth
Latest observations from the Gemini South telescope reveal our mysterious interstellar visitor is becoming dramatically more active, sporting a magnificent growing tail as it journeys deeper into our solar system.
September 6, 2025
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