It's probably worth hiting his main colony at some point. I don't have the fleet to do it, but it might make a good acs attack option.
Resources on billworld [2:118:11] at 12-04 22:23:59
Metal: 572841
Crystal: 1112541
Deuterium: 1221055
Energy: 6736
Fleets
Light Fighter 46 Battleship 17
Recycler 1 Espionage Probe 41
Solar Satellite 1
Defense
Rocket Launcher 1666 Light Laser 1337
Heavy Laser 30 Gauss Cannon 189
Ion Cannon 125 Plasma Turret 20
Small Shield Dome 1 Large Shield Dome 1
Anti-Ballistic Missiles 20 Interplanetary Missiles 10