Satellite collision odds?

[Morningfoxnorth]

Humans have been launching satellites into Earth orbit for more than 50 years. What are the odds that two satellites would collide by chance during that time (excluding deliberate attempts)?

 

[starryskyn]

Long.

 

[sullivan]

Oh gosh. I wonder if the asker is going to refer to this after people say "not very high"?

http://news.yahoo.com/s/ap/20090211/ap_on_sc/satellite_collision