It is claimed to be larger than the Empire State Building and NASA has stated it is a worry. It is called 2015 BN 509. It could strike Earth.
13 February 2017
By Jeff Parsons
Earth is potentially at risk (click here) from a peanut-shaped asteroid that's larger than New York's Empire State Building.
The asteroid, labelled 2015 BN509 by NASA, flew past the Earth last week at close to 44,000mph. At its closest point, it was 14 times the distance between the Earth and the moon.
The asteroid measures roughly 200m (660ft) wide and 400m (1,310ft) long.
But the American space agency has labelled it "potentially hazardous" and warned that it could one day strike the Earth.
It was captured on film by the Arecibo Observatory, a giant radio telescope , during its flyby of the Earth. The skyscraper-sized chunk of rock can be clearly seen tumbling through the blackness of space....