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Topic: Binary Asteroid

NASA Radar Images of Approaching Asteroid 1998 QE2 shows it has a Moon

 

Asteroid to Pass by Earth on Friday, May 31st

NASA - National Aeronautics and Space AdministrationWashington, D.C. – Researchers have found in a sequence of radar images that the approaching asteroid 1998 QE2 has a moon, or rather another asteroid orbiting about it. These images were obtained on the evening of May 29th (May 30th Universal Time) by the 70-meter Deep Space Network antenna at Goldstone, CA, when the asteroid was about 6 million kilometers from Earth.

The preliminary estimate for the size of the asteroid’s satellite is approximately 600 meters wide. The asteroid itself is approximately 2.7 kilometers in diameter and has a rotation period of less than four hours.

Asteroid 1998 QE2 revealed to be Binary Asteroid. Artist Rendition. (NASA)

Asteroid 1998 QE2 revealed to be Binary Asteroid. Artist Rendition. (NASA)

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