Paul Chodas says he believes object that is set to be captured by earth's gravity is in fact Centaur rocket from failed Surveyor 2 moon mission 54 years ago

By space standards, Asteroid 2020 SW is pretty puny and will safely pass Earth on Thursday, NASA says

Hunk of rock that streaked by the planet was detected mere hours before flyby, 'would have gone off like a very large nuclear weapon'

Astronomers from around the world, including Israel, gather to simulate global response, with focus on 2000SG344, which has a 1% chance of striking in April 2027