There is only one criteria for my journey, the body in question must be under 200klms in radius, I don't care how far I have to travel to get to it, although the further away ones may take a while to get to. Feel free to send me names and links.
I found a metal monster, 187 km:
Nice shots - the last one is very moody - shame about the way the camera has distorted the sun (I assume!).
How small do you imagine a moon can get?