The space shuttle Atlantis made its last scheduled departure from the International Space Station on Sunday.
Leading up to the undocking, the crews of the two spaceships shared hugs and laughs. "Take care," the International Space Station's skipper, Oleg Kotov, told his shuttle visitors.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.
NASA announced Tuesday that a $32.7 million Capstone spacecraft intended to try out a skewed lunar orbit had lost contact, but agency engineers are confident