Astrometric Planetary Data Base home page. Not really an asteroid site, but the only place I know that collects planet and satellite astrometry.
Benson NEA $500 Prize
Cambridge Conference Network
Citizen's Protection Against NEO's
DeGraff's Asteroid Page. David DeGraff (specializing in asteroid photometry)
European Asteroid Research Node
Fort Bend Astronomy Club Asteroid
Getting started in Asteroid Hunting by Dennis di Cicco.
IAU Astronomical Headlines
IAU Minor Planet Center
Impact Hazards for Asteroids and Comets
IOTA Asteroid Occultation Page
LINEAR
Lincoln Near Earth Asteroid Research site
Lowe (Andrew) A-Team's remote Canadian member
Lowell
Observatory Some neat tools for asteroid work
NASA/NSSDC Asteroid Photo Gallery
Near Earth Asteroid (NEAT) homepage
Near Earth
Object Program of JPL's.
NEAR Asteroid Mission
Observatories (asteroid related)
Omni Magazine article on the MPC featuring us! (Note original link has been dropped from their site.)
Ondrejov NEO Program
Roe's asteroid page Jim Roe
Solar System Collisions calculator by Doug Hamilton
Spaceguard Central Node
Spacewatch
Website Navigation page.