Asteroids Near Earth

The Earth welcomed a not-too-distant visitor this morning, as a small asteroid passed by at a distance closer than our moon’s orbit. At 5:51 a.m. Eastern, the asteroid known as 2010 RX30 passed within 154,000 miles of Earth. 2010 RX30 is estimated to be 32 to 65 feet in diameter.

Another asteroid, this one called 2010 RF12, will pass within 49,088 miles of Earth at 5:12 p.m. Eastern today. 2010 RF12 is estimated to be 20 to 46 feet in diameter. It’s unusual for experts to track two asteroids passing so closely to Earth on the same day.

Arizona’s Catalina Sky Survey noticed the two asteroids this past Sunday. When using an amateur telescope, these asteroids can be visible from Earth as small specks of light.


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