NASA asteroid WARNING: 460ft asteroid discovered last month flew past Earth TODAY

“Such objects would strike Earth with a minimum energy of over 60 megatons of TNT, which is more than the most powerful nuclear device ever tested.

“Fortunately, these are far less common and are easier to detect and track than smaller Near-Earth Objects.

“After almost two decades of search, NASA and its partners have catalogued about one third of the estimated 25,000 NEAs that are at least 140 meters.”

Thankfully, Asteroid AG3 missed the Earth by more than three million miles (4.9 million km).

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