Asteroid Alerts
Near Earth Asteroid Updates
About
Track near-Earth asteroids and space threats in real time with instant alerts and detailed data. Explore information on objects passing close to Earth, powered by NASA and the Minor Planet Center.
What's New in Asteroid Alerts
2.0.1
August 20, 2026
Home-screen widget reliability improvements and minor bug fixes.
Developer apps
FAQ
What is Asteroid Alerts?
Asteroid Alerts is a real-time tracker for near-Earth asteroids and space threats, powered by NASA and the Minor Planet Center. It provides instant alerts and detailed information on objects passing close to Earth.
Does Asteroid Alerts have ads?
No, Asteroid Alerts does not contain advertisements. It offers an ad-free experience for users interested in space tracking.
What data sources does Asteroid Alerts use?
Asteroid Alerts utilizes data from the NASA JPL Sentry System and the Minor Planet Center (MPC) to provide accurate and up-to-date information on asteroids.
What kind of alerts can I expect from Asteroid Alerts?
You can receive push notifications for new asteroid discoveries and close approaches to Earth. The app also provides weekly briefings on asteroid activity and upcoming events.
What devices is Asteroid Alerts available on?
Asteroid Alerts is available on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.
How often is Asteroid Alerts updated?
The app was last updated on March 6, 2026, indicating ongoing development and maintenance. Its current version is 1.0.9.
What is the age rating for Asteroid Alerts?
Asteroid Alerts has an age rating of 4+, making it suitable for a broad audience interested in space and astronomy.
What information is available for each tracked asteroid?
For each object, Asteroid Alerts provides details such as its size, velocity, approach distance, potential impact hazard, and probability of impact.