There is a NASA site I used to use that does pretty much the same thing: J-Pass

It doesn't really work for me anymore on my browser, and I'm not sure why.

The only reason I mention it is because of the name: J-Pass! I imagine a bunch of NASA space geeks sittng around tracking satelites and passing a jay! Hahahah!

How did they ever get that one past the boss?

"We're thinking of calling it J-Pass."

"J-Pass, eh? Sounds A-OK to me boys!"