ASTRONOMERS have found an asteroid that appears to be on a collision course with Earth.
It has been described as the most threatening object yet detected in space.
A preliminary orbit suggests that 2002 NT7 could strike the planet on February 1, 2019.
The BBC reports astronomers have given NT7 a threat rating on the Palermo technical scale of 0.06, making it the first object to be given a positive value.
Although they say it merits attention, they expect more observations to show it is not on an Earth-intersecting trajectory.
The asteroid is estimated to be about two kilometres wide, large enough to cause continent-wide devastation on Earth.
It was first seen on the night of July 5 by the Linear Observatory's automated sky survey programme in New Mexico.
Dr Benny Peiser, of Liverpool John Moores University, told BBC News Online: "This asteroid has now become the most threatening object in the short history of asteroid detection".
But he added: "This unique event should not diminish the fact that additional observations in coming weeks will almost certainly - we hope - eliminate the current threat."
Dr Donald Yeomans, from the US space agency's (Nasa) Jet Propulsion Laboratory in California, said: "The error in our knowledge of where NT7 will be on February 1, 2019, is large, several tens of millions of kilometres."
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Best start building a bunker in my garden now
Well if you think about this ,
and maybe it does hit earth ,
its damn scary!