It will be about 40,000 km (25,000 miles) away, posing no danger to Earth, Nasa said.
The asteroid was first discovered on 31 August, and, at its closest approach, will be about one-tenth of the distance from the centre of the Earth to the moon, Nasa said in a statement.
It is expected to orbit near Earth again in the future.
In February 2013, a meteorite of a similar size exploded over Chelyabinsk in Central Russia, injuring more than 1,000 people.
Nasa currently tracks more than 11,000 asteroids in orbits that pass relatively close to Earth.
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