Answer at bottom of page (highlight text to read).

http://www.geocities.com/TN(4thofSol'scurrent8th)222

The three images are the names of types of spy satellites (Argon, Corona, Keyhole)
meaning you're looking for the 4th satellite of Sol's current 8th satellite - or the fourth moon of Neptune (Galatea).
http://www.geocities.com/TNgalatea222/ may still be up. Anything past that point may not.