Bennu, which comes closest to Earth every six years at a distance of 299,000 km, has a one-in-2,700 chance of colliding with the planet.

Researchers predict that a collision with the asteroid Bennu would plunge Earth into a year's long 'impact winter'.

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global winter that affects our planet for years.