The 3I/ATLAS Comet Tracker is a dedicated portal for monitoring the solar system's third confirmed interstellar visitor. Launched in July 2025 by the ATLAS survey, Comet 3I/ATLAS offers a rare window into the ancient cosmos beyond our sun. Our platform delivers live orbital data from JPL Horizons, immersive 3D visualizations, practical observing guides for amateurs, and a full timeline of its journey. Key features include personalized visibility forecasts, equipment tips, curated news from top agencies, and educational resources on interstellar science. Built with Next.js, this site is a global hub for astronomers, educators, and space enthusiasts to witness a once-in-a-generation encounter.