Interesting video but, unfortunately and as always, inconclusive.
The second object certainly looks as if it's following a path, indeed a curving trajectory seen edge on, but with the quality of the video, and the
distances involved, it's impossible to tell what it is.
As a believer in ET existence, I'd
love to be able to say with a confidence gleaned by the evidence of my own two eyes that the little light
was an inteligently controlled craft, but I can't DARN it

, and that's seriously frustrating. NASA seem happy to let these vids out onto the
internet complete with nifty explanation that these pulsating and travelling blobs are simply junk and ice. And, to be fair, we can't argue with them
as their explanation is entirely feasible.
Until one of these light sails blatantly up to the shuttle's camera, stops, and does something so obvious that there's no possible arguement that
it's under inteligent control, then we're gonna have the same arguements time after time.
The only thing is, would NASA let it out into the public domain?