As a side project, I've been working on a site, http://asterank.com http://asterank.com, that attempts to rank asteroids by their economic potential. These cal

As a side project, I've been working on a site, http://asterank.com http://asterank.com, that attempts to rank asteroids by their economic potential. These calculations take into account things like the energetic cost of reaching and extracting material from an asteroid. Open to any feedback or pointers.