I took my son out to watch the ISS (International Space Station) pass by
at 5:43 this evening. My son saw it first but we weren't sure because
something else was moving at the same speed. We quickly realized
yes both objects were moving across the sky. At arms length they were
about thumb to pinky (spread out) distance apart.
When we got home I started looking online to see what the second
object was. Turns out to be STS129, the space shuttle!
Open these in two different tabs and see how close they are to each other.
The ISS.
http://www.n2yo.com/?s=25544

The Space shuttle.
http://www.n2yo.com/?s=36094

I don't know how long they will track.
Well, I know not past 9:30 tommorrow,
the shuttle is supposed to land.
Mike