I guess, if your planet was appropriately sized and oriented, you could use WGS84 with another body... gerry Maxime van Noppen wrote: > Paul Ramsey wrote: >> Well, if they're fictive, then there's no reason you can't use WGS84. >> Fun, who gets to be Slartibartfast and design your world :) > > I don't get the point. Doesn't WGS84 only apply to the Earth ? >