AstroAlert

See satellite passes, planets and deep-sky objects above you — with automatic alerts for rare sky events.

AstroAlert turns your phone into a personal space control center.

See which satellites, planets and deep-sky objects are passing above your location with NASA-grade accuracy. Explore educational content, the NASA Photo of the Day, and unlock over 1,000 detailed celestial object sheets with AstroAlert+.

Main Features: • Satellite pass tracking based on your location • Planets, Moon, Sun and deep-sky objects • Only events above 70° for spectacular visibility • Full astronomy glossary • Solar System animation • NASA Photo of the Day • Immersive interface inspired by mission control

AstroAlert+ Premium Features • Automatic personalized alerts • 1,000+ detailed celestial objects • Deep-sky objects fully unlocked • Early access to new features • Complete, unlimited experience

AstroAlert: the sky above you — revealed with precision, clarity and wonder.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://astroalert.app/privacy-policy