Another asteroid is headed our way - the second this week - but there's no need to worry. The size of the asteroid 2018 CB is estimated to be between 50 and 130 feet (15 and 40 meters).
Scientist had been tracking Asteroid 202 AJ129 for about a year and knowing all along that this medium sized space rock posed no threat to Earth.
Recently NASA announced that two small potentially hazardous asteroids would zoom past earth in close flyby within a week. "Asteroids of this size do not often approach this close to our planet - maybe only once or twice a year".
Asteroid 2018 CB will come within 39,000 miles of Earth which is one fifth the distance to the moon.
The first of this week's close-approaching asteroids-discovered by CSS on February 4-is designated asteroid 2018 CC.
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Duterte said then that he was insulted and angered by Trudeau's remarks. "We have separate and dedicated attack helicopters".
U.S. media quoted the manager of Nasa's Center for Near-Earth Object Studies, Paul Chodas, saying that the asteroids this size usually don't come this close - just once or twice a year. On Tuesday, an asteroid passed within 114,000 miles (184,000 kilometers), slightly more than halfway to the moon.
According to the Center for Near Earth Object Studies, more than 90 per cent of the near-Earth objects bigger than one kilometre have been discovered.
On Feb. 15, 2013, an asteroid roughly 17 metres in size lit up the sky over Chelyabinsk breaking up, with a large piece landing in a lake.
2018 CB isn't a mass-extinction type of asteroid, though it's an interesting one for astronomers.
That was the case at Chelyabinsk, Russia on February 15, 2013; the incoming object - an intense fireball as it entered the atmosphere - caught everyone by surprise.