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A “potentially dangerous” asteroid will approach Earth on March 4, according to NASA

A “potentially dangerous” asteroid will approach Earth on March 4, according to NASA

asteroid named 138971 (2001 CB21) It is classified as “Potentially Hazardous” by National Aeronautics and Space Administration (NASA) It will pass close to Earth on March 4, 2022.

According to NASA, the asteroid will have a flyby relatively close to our planet, reaching approx 4.9 million km from Earth. The diameter of this object is estimated between 190 and 430 meters.

The Jet Propulsion Laboratory estimates that this asteroid will fly close to Earth at a speed of 43,236 kilometers per hour, and added that in 2006 it approached a pass near our planet.


Until January 31, the Virtual Telescope Project managed to photograph the asteroid 138971 (2001 CB21) and He indicated that he would convey the exact moment when he would pass near the Earth.

The NASA operates the Jet Propulsion Laboratory Together with the Center for Near-Earth Object Studies (CNEOS), it is responsible for the accurate characterization of the orbits of all known NEOs. Additionally, it predicts your close approach and assesses impact risk.

According to the agency, most NEOs are asteroids ranging in width from about 10 feet to approximately 40 kilometers. Many of them have orbits that do not bring them very close to Earth, and therefore do not pose an impact hazard; However, a small part of them, as in the case 138971 (2001 CB21), They are called potentially dangerous asteroids and need more attention.

These objects are defined as asteroids larger than 140 meters in size and have orbits within 7.5 million kilometers of Earth’s orbit around the Sun.

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