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

Track interstellar comet 3I/ATLAS live as it passes through our Solar System. Real-time NASA JPL data, 3D trajectory visualization, perihelion countdown (Oct 30, 2025), Mars flyby updates, …

See the live position and real-time trajectory of interstellar comet 3I/ATLAS (C/2025 N1). Our interactive tracker uses the latest NASA/JPL ephemeris data for the most accurate simulation.

On December 19, 2025, the rare interstellar comet 3I/ATLAS will make its closest approach to Earth! How dangerous is this? Find out what it means for our planet.

6 days ago · The 3I/ATLAS update is a useful reminder of how space stories evolve. A rare interstellar visitor entered our neighborhood. The internet did what it always does. It turned …

Our goal is to be the best place on the web to both understand and experience 3I/ATLAS responsibly. Scroll the tabs at left for the story, then dive into interactive tools.

Dec 17, 2025 · The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to know.

Nov 20, 2025 · Now that it’s back in view after having been hidden behind the Sun, interstellar Comet 3I/ATLAS, only the third known object to have come from outside the solar system, is …

Dec 4, 2025 · The interstellar comet’s size and physical properties are being investigated by astronomers around the world. 3I/ATLAS should remain visible to ground-based telescopes …

Nov 3, 2025 · What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory as it …