Asteroid 99942 Apophis Earth Flyby
About this event
On Friday, April 13, 2029, the 1,100-foot (340-meter) asteroid 99942 Apophis will safely pass within 19,635 miles (31,600 km) of Earth's surface—closer than geostationary satellites—in a once-in-a-millennium event visible to the naked eye for over two billion people.
Interesting facts about Asteroid 99942 Apophis Earth Flyby
Apophis will pass within 19,635 miles (31,600 km) of Earth, closer than our geostationary weather and communications satellites.
It will shine at magnitude 3.1, making it visible to the naked eye without binoculars across Europe, Africa, and Western Asia.
Earth's strong gravitational tidal forces are expected to alter Apophis' spin state and trigger seismic landslides on its surface.
NASA's OSIRIS-APEX and ESA's RAMSES spacecraft will rendezvous with the asteroid to capture real-time scientific measurements.
Comprehensive radar tracking by NASA's Jet Propulsion Laboratory has officially ruled out any impact risk for more than a century.
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