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The Minor Planet Center confirms an interstellar object is transiting the Solar System on a hyperbolic

3I/ATLAS — The Minor Planet Center confirms an interstellar object is transiting the Solar System on a hyperbolic trajectory, the third of its kind to be officially confirmed. The object is l

Published July 2, 2025· Updated October 28, 2026·1 min read

Context: 3I/ATLAS.

The Minor Planet Center confirms an interstellar object is transiting the Solar System on a hyperbolic trajectory, the third of its kind to be officially confirmed. The object is likely a comet and could be as large as 12 miles (20 km) in diameter. [https://minorplanetcenter.net/mpec/K25/K25N12.html (Minor Planet Center)] [https://earthsky.org/space/new-interstellar-object-candidate-heading-toward-the-sun-a11pl3z/ (Earth Sky)]

Event summary via Wikipedia Current Events (2025-07-02).