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Radar observations have ruled that out
- The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth.
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Mar 26, 2021 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth.
- Apophis - NASA Science
This animation shows the orbital trajectory of asteroid...
- Apophis - NASA Science
This animation shows the orbital trajectory of asteroid 99942 Apophis as it zooms safely past Earth on April 13, 2029. Earth’s gravity will slightly change the trajectory of Apophis as it comes within 20,000 miles (32,000 kilometers) of our planet’s surface.
Mar 27, 2021 · The new radar-derived orbit shows that Apophis will pass 288 m (945 feet) farther from Earth in 2029 than had been expected, enough to assure that it will miss the 600-m-wide “keyhole” in near-Earth space that would have deflected it onto a collision course in 2068.
With the early 2015 observations, the April 12, 2068, impact probability was 6.7 in a million (1 in 150,000), and the asteroid had a cumulative 9 in a million (1 in 110,000) chance of impacting Earth before 2106.
Mar 27, 2021 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. Asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth after its discovery in 2004.
- Jet Propulsion Laboratory
Astronomers were able to use radar observations to refine their estimate of the asteroid's orbit around the Sun, allowing them to confidently rule out any impact risk in 2068 and long after.
Mar 28, 2021 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been...