AstroAlert – Sky Events in Your Pocket – Precise tracking of satellites and celestial objects above you

Summary: AstroAlert provides real-time notifications of satellites, planets, comets, and deep-sky objects passing above your location within 24 hours, including events above 70° zenith. It uses NASA/JPL data combined with educational content and detailed object information.

What it does

AstroAlert calculates upcoming sky events for your exact location using NASA/JPL data and offers detailed sheets and a glossary for each object.

Who it's for

It is designed for users interested in tracking satellites and celestial events visible from their location.

Why it matters

It solves the problem of missing significant sky events by providing timely, location-specific alerts and information.