This movie of asteroid 2014 JO25 was generated using radar data collected by NASA's Goldstone Solar System Radar in California's Mojave Desert.

Transcript:

This movie of asteroid 2014 JO25 was generated on April 18, 2017, using radar images obtained by NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, California. The asteroid has a contact binary structure -- two lobes connected by a neck-like region. The largest of the asteroid's two lobes is estimated to be 2,000 feet (610 meters) across.

The asteroid will approach to within 1.1 million miles (1.8 million kilometers) of Earth on April 19.

The Goldstone observations were conducted when the asteroid was 1.9 million miles (3 million kilometers) from Earth. The resolution of the radar images is about 25 feet (7.5 meters) per pixel.

There are no future flybys by 2014 JO25 as close as this one for more than 400 years.

30 images were used to create the movie shown at two different speeds.

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