Specifically, the moon of asteroid 2004 BL86 which passed close to the Earth late in January. ‘Close’ this being space, was three times the distance between Earth and the Moon. That being said, the Deep Space Network antenna at Goldstone, California, got some amazing footage not just of the asteroid but it’s moon.
[youtube https://www.youtube.com/watch?v=1y7CYf4X3Lo?feature=player_embedded]
That’s an 1100 foot wide space rock with a 230 foot mini moon shooting around it. Or a UFO. Or a secret multinational lander making it’s run on a desperate mission to save us all. Or a Sunday Moment of Zen. Yeah, let’s go with that last one.