Updated the crystanite to a new position (13000, 3000). I don't quite get what you mean by "effective market power" however...
the size of the circle on the map representing a faction's system isn't a representation of the physical size of the system in-game, but is a representation of how many & how big the markets in the system are, IE a smaller system has fewer & smaller markets than a large circle.
Anar, Askonia & Aztlan for example can be immediately seen as being the economic hearts of the sector, whereas Penelope & Duzahk are dead systems with 0 markets, so any circle nearing their size is immediately recognizable as a back-water