Explore Near-Earth Asteroids
Track and analyze asteroid data from NASA's NEO database
Asteroid Search
Asteroid Activity
Asteroid Facts
Fastest Known Asteroid
The fastest asteroid ever recorded was traveling at approximately 70,000 km/h (43,500 mph) relative to Earth.
Closest Approach
The closest asteroid approach in recent history was just 2,950 km (1,830 miles) from Earth's surface.
Size Distribution
Most near-Earth asteroids are between 100 meters and 1 kilometer in diameter, with some as large as 5 kilometers.
NASA Missions
OSIRIS-REx
First U.S. mission to return asteroid samples to Earth. Successfully collected material from asteroid Bennu in 2020.
DART Mission
First planetary defense test against asteroid impact. Successfully altered asteroid Dimorphos's orbit in 2022.
Asteroid Approach Simulation
Simulation Details
Showing 5 asteroids
Size scale: 1km = 20px
Speed: Relative to orbital velocity
Hover over asteroids to see names
Impact Statistics
Want to Learn More?
NASA's Near-Earth Object Program provides detailed information about asteroids and comets that orbit near Earth.
Visit NASA NEO Program