Does endless Lagrange's application for membership have to be within its sphere of influence?

On the strategic map, there are areas of various colors and shapes.

The white box represents the power block you occupy, and the pioneer's base camp is built here. The white circle represents the planning circle set by the player. The orange box represents the sphere of influence of other pioneers around, the orange circle represents the planning circles set by other players in this area, and the arrows in the middle of these planning circles are the fleets deployed by other pioneers here. The red circle represents the area affected by the fleet of space pirates "privateers", and the red arrow represents the ships of space pirates.