Wikimedia
Wikipedia: Asteroid
This site from the encyclopedia Wikipedia is a good resource page on asteroids. Gives details on different groups of asteroids that have been identified; how they get their name and number after identification; the six types of...
Nine Planets
The Nine Planets: Asteroids
A plethora of information about Asteroids. This site provides lots of in-text links to information, pictures of asteroids, a table full of information about asteroids, as well as links to more information about asteroids.