LOS ANGELES (CBSLA) – One of two recently-discovered small asteroids will safely pass by Earth Friday, after the first did so earlier this week.

A graphic shows asteroid 2018 CB passing by Earth. (NASA/Jet Propulsion Laboratory-Caltech)

According to the Pasadena-based Jet Propulsion Laboratory, asteroid “2018 CB” will come within 39,000 miles of Earth at 2:30 p.m. Pacific time. That is about one-fifth of the distance between the Earth and the Moon, JPL reports.

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The asteroid is estimated at 50 to 130 feet in size.

“Asteroids of this size do not often approach this close to our planet, maybe only once or twice a year,” said Paul Chodas, manager of the Center for Near-Earth Object Studies at JPL.

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At 12:10 p.m. Tuesday, an asteroid named “2018 CC” came within 114,000 miles of Earth. It was estimated at 50 to 100 feet in size, JPL said.

Both asteroids were discovered Feb. 4 by the Catalina Sky Survey, a NASA-funded group based in Tucson, Ariz.

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For more information on the asteroids, click here.