Mar 27 2009 NASA TV: STS-119 ORB/UFO behind shuttle perfroms intelligent maneuvers.

On the right side of your screen you can see the orb appearing behind the shuttle, it goes up, then shortly hovers, moves into the direction of shuttle’s tail, hovers again, then zips back to the right side of your screen and goes up. Also look at the lens flare, it is not moving/changing in any way; so the object does not move because of the shuttle