'This is one of the most elongated near-Earth objects we've ever seen.'
antenna dish at the Deep Space Network's facility near Barstow, California, between Jan. 29 and Feb. 4, this year.
The telescope captured several other characteristics of 2011 AG5 including a concave dent in one of the asteroid's two hemispheres. The asteroid also possesses subtle dark and light regions that could indicate small surface features just a few meters in diameter. Despite these variations in shade, the asteroid would appear charcoal dark if viewed with the human eye.
The research team was also able to determine that 2011 AG5 rotates slowly, taking around 9 hours to complete a full turn. The Goldstone observations also give astronomers at JPL's Center for Near Earth Object Studies a better idea of the trajectory of the space rocks, which takes 621 Earth days to orbit the sun.
The asteroid 2011 AG5 was the focus of a great deal of attention shortly after its discovery as it was suspected to have a small chance of impacting Earth in 2040.
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