Asteroid Alerts
Near Earth Asteroid Updates
Free · Designed for iPad
Don't look up. Stay updated on asteroid flybys and near-Earth objects with NASA-powered real-time alerts, daily digests, and asteroid data.
Asteroid Alerts: Real-Time NASA Asteroid Tracker
Track near-Earth asteroids, meteor flybys, and space threats in real time. Get instant alerts and explore detailed data on every object passing close to Earth — all powered by NASA and the Minor Planet Center. Created by asteroid scientist Dr. Francesca DeMeo.
FEATURES
Live Asteroid Tracking – Monitor current and upcoming near-Earth objects and potentially hazardous asteroids
Push Notifications – Get alerts for new discoveries and close approaches
Weekly Briefings – Summaries of asteroid activity and upcoming events
Detailed Object Data – Size, velocity, approach distance, impact hazard, and impact probability
NASA Sentry Integration – Follow officially tracked risk objects
Asteroid & Space News Feed – Latest discoveries and mission updates
Clean, Visual Interface – Charts and visuals designed for quick insight
DATA SOURCES
NASA JPL Sentry System
Minor Planet Center (MPC)
Perfect for space enthusiasts, astronomy students, and anyone fascinated by asteroids and planetary defense.
Download Asteroid Alerts today — your real-time window into what’s flying past Earth.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
1.0.8
Displays recent past flybys and discoveries in Watchlist.
Fixed leave a review button link.
Improved formatting.
1.0.7
Expanded info on threats watchlist
Added impact frequency info for each asteroid size
Preview of push notifications visible in settings.
The developer, Francesca DeMeo, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Francesca DeMeo
- Size
- 34.5 MB
- Category
- Weather
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Francesca DeMeo