Laura Tobin Instagram – A ‘Potentially hazardous’ asteroid the size of a football stadium will ‘skim’ past Earth this week, said @nasa -The asteroid, called 2008 OS7, measures about 285 metres/890 feet in diameter -It will pass our planet at a distance of 1,770,000 miles on Friday afternoon, that’s 7.5 lunar distance (ie 7.5 times further away than the Moon is from Earth) -It is travelling at 40,000 mph -A ‘potentially hazardous asteroid’ is more than 140 metres and within 4.6 million miles of Earth -There are millions of asteroids in our solar system, 2350 are ‘potentially hazardous’ @gmb