They will all miss, but NASA is keeping a close eye on the massive space rocks for future close approaches.
The closest of the three asteroids will miss Earth by roughly 2.2 million miles , which is about ten times the distance between the Earth and the moon, accordingThat's a relatively small distance when it comes to space, meaning the space agency is using the close flyby to collect data and help prepare for any future close approaches.On Monday, February 27, an asteroid named 2012 DK31 flew by Earth at a distance of roughly 3 million miles .
NASA classifies 2012 DK31 as a potentially hazardous asteroid, though it poses no immediate threat to Earth. Still, it's large enough that it could cause serious damage on Earth if crossed paths with Earth in a future orbit. NASA generally classifies any asteroid greater than 450 feet wide and orbiting within 4.6 million miles as a potentially hazardous asteroid or PHA. It's worth noting that NASA has mapped 2012 DK31's trajectory for the next 200 years, and no collisions are predicted to occur.
Today, Tuesday, February 28, a skyscraper-sized PHA will come within 2.2 million miles of Earth. The asteroid 2006 BE55 orbits near Earth roughly once every four or five years. It also measures roughly 450 feet across. Later this week, on Friday, March 3, an asteroid measuring roughly 250 feet across will fly past Earth at a distance of 3.3 million miles . The space rock, 2021 QW, isn't categorized as a PHA due to its size, though it makes a close approach to Earth every few years.Thankfully, NASA's calculations show that no known asteroid is on a direct collision path with Earth at any point in the coming years, though it is prepared in the unlikely possibility that one does come our way.
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