In 2035, to be precise. It’s a Thursday. It looks something like this and is about the size of the Empire State Building.
If it does hit us it’s going to destroy a lot of things on the planet, but not kill us completely. It’s not an extinction event, just a big bad event.
Bennu has only a 1 in 2,700 chance of actually hitting Earth. It’s too early to say of those odds might change. We have near misses of asteroids all the time.
If it does wind up heading straight for us, we’ll know in advance and then NASA wants us to think that Bruce Willis will go up there and shoot it down.