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Earth buzzed by bus-sized asteroid

An asteroid roughly the size of a city bus brushed within 186,000 miles of our planet on Saturday, a distance closer than the moon.

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This NASA graphic shows the orbit of asteroid 2014 HL129. Discoveryed on April 28, 2014, the asteroid passed close by Earth on May 3, coming within 186,000 miles of the planet.

NASA/JPL-Caltech

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A small asteroid about the size of a city bus zipped by Earth at a range closer than the moon early Saturday (May 3), but posed no threat to our planet.

The newly discovered asteroid 2014 HL129 came within 186,000 miles (299,338 kilometers) of Earth when it made its closest approach on Saturday morning, which is close enough to pass between the planet and the orbit of the moon. The average distance between the Earth and moon is about 238,855 miles (384,400 km).

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You can watch a video animation of asteroid 2014 HL129's orbit around the sun on Space.com. The asteroid is about 25 feet (7.6 meters) wide, according to NASA's Asteroid Watch project based at the agency's Jet Propulsion Laboratory in Pasadena, Calif. It made its closest approach to Earth at 4:13 a.m. EDT (0813 GMT).

Saturday's close shave by asteroid 2014 HL129 came just days after its discovery on Wednesday, April 28, by astronomers with the Mt. Lemmon Survey team, according to an alert by the Minor Planet Center, an arm of the International Astronomical Union that chronicles asteroid discoveries. The Mt. Lemmon Survey team scans the night sky with a telescope at the Steward Observatory atop Mt. Lemmon in Arizona's Catalina Mountains.

NASA scientists and researchers around the world constantly monitor the sky for potentially dangerous asteroids that could pose a risk of impacting the Earth.

Email Tariq Malik at tmalik@space.com or follow him @tariqjmalik and Google+. Follow us @Spacedotcom, Facebook and Google+. Original article on Space.com.

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