Here it Comes - Asteroid With Its Own Moon

An asteroid a mile wide with its own tiny moon will fly past the Earth this weekend. The asteroid is known as 1999 KW4 (the Walnut Asteroid). At 7:05 p.m. ET on May 25, it will be just over 3 million miles from Earth. The pair will be travelling at 48,000 miles per hour. Though 1999 KW4 is designated a potentially hazardous asteroid, there's no chance it will hit Earth. Is the asteroid too small to be photographed with backyard telescopes?

#asteroid #moon #earth

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