Daily Star's biggest headlines straight to your inbox!NASA is tracking a large asteroid which could be up to 220 metres wide and is heading towards Earth's orbit.The asteroid, labelled 2008 GO20, is double the size of the infamous London landmark Big Ben.The space rock will fly through the Earth's orbit safely next Saturday, July 24 at 15:35 Eastern time which is 20:35 here in the UK.The orbit is classified under the term 'Apollo'.An 'Apollo' asteroid is described as a near-Earth asteroid which crosses the Earth's orbit similar to that of 1862 Apollo.Despite the proximity to Earth there is an extremely low chance that it would make contact with the Earth's surface.The asteroid will pass by Earth safely at a speed of eight kilometres a.
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