These links give an example of just how many objects fly around inside our own Solar System. Near Earth Asteroids, the Asteroid belt, Satellites, etc.
If you haven't seen them before, enjoy!
Animations of natural objects:
http://cfa-www.harvard.edu/iau/Anima...nimations.html
Animation of some of the Artificial Satellites around Earth:
http://www.syz.com/DU/mac/animations/satellites.html
Plus there are hunderds of thousands of bits of space-junk floating around the earth too.
It's busy out there!