Washington: NASA is tracking a giant asteroid that may be taller than the Manhattan's 102 floors Empire State Building, and it will pass by the Earth's orbit on June 6.
Given the name rock 163348 (2002 NN4), the space rock is believed to be travelling at a speed of 5.2 km a second or 11,200 miles per hour and will pass by the Earth's orbit this week.
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According to the dailystar.co.uk, it is estimated to be between 250m and 570m (820ft and 1870ft) -- so it could be taller than the Empire State Building (443m or 1453ft) and the London Eye (135m or 443ft) combined.