DU2, measuring 160 feet wide and travelling at 62,650 km/h, will pass Earth on March 6 at a safe distance of 542,000 km.

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

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Space can be unpredictable, but NASA is always watching. On 6 March, three asteroids will pass Earth, including two the size of an airplane and one the size of a bus.