The asteroids were spotted Sunday by researchers at the NASA-funded Catalina Sky Survey near Tucson, Arizona.
A small, newly discovered asteroid passed near Earth earlier his week and a second one is expected to follow suit Friday, according to scientists with NASA's Jet Propulsion Laboratory.
An asteroid is headed our way - the second this week - but there's no need to worry.
Markets Right Now: Asian markets recouping losses early
About 10.6 billion shares changed hands in U.S. exchanges, well above the 8.2 billion daily average over the last 20 sessions. European equities weren't spared, with the Euro Stoxx 50 volatility gauge spiking toward the highest since June 2016.
An asteroid will pass Earth on Friday at 2.30 pm PST (4 am Indian Standard Time on Saturday), the National Aeronautics and Space Administration, or NASA, said. Known as 2018 CC, the object made its closest approach to Earth on 6 February at a distance of about 184,000km (114,000 miles).
It's between 50 and 130 feet wide, similar in size the one which exploded over Chelyabinsk five years ago.
Estimated to be between 50 and 130ft (15 and 40 meters) in diameter, 2018 CB has the potential to be double the size of the 17-meter Chelyabinsk asteroid which left 1,000 people injured and damaged thousands of buildings.
Latest Chicago Snow Forecast: Total Of 20 Inches By Saturday Possible
An occasional flurry will be possible Thursday , however, the snow chances are going to be very minimal during the daytime hours. Thursday night temperatures will drop into the teens, with the wind chill factor expected to drop as low as minus 8 degrees.
Paul Chodas of NASA's Center for Near-Earth Object Studies, told The Guardian that asteroids of this size don't often come close to our planet. In the meantime, astronomers are on the lookout for asteroids lurking in the cosmic shadows.
Recently NASA announced that two small potentially hazardous asteroids would zoom past earth in close flyby within a week. It had last passed by Earth on October 31, 2015, and it was at a distance of 480,000 kilometers from Earth.
White Home sees good likelihood of long-term Funds deal
The bipartisan compromise would provide the Pentagon and domestic programs with an extra $300 billion over the next two years. Sanders says it will move the White House away from "crisis to crisis budgeting".