Asteroid discoveries in the asteroid belt between Mars and Jupiter 1980-2011

the red ones cross the Earth, but for me the better ones are the Greeks and Trojans placed 60 degrees either side of Jupiter on the far side of the 'martian' asteroid belt.
 
You'll notice that we're the third dot from the sun and most of the asteroidal discoveries are made with the sun behind Earth (the periodic white conical flashes through the growing-discovery system..