Minimal (system only named/referenced, not yet developed by the plot): Region + Primary Star (Spectral class — rest optional) + Planetary System (only the inhabited body, if any) + Neighbours (Civilian Jumps) + Notes
Standard (system introduced into the story): + Jump Points & Navigation + Planetary System (full ordered list of bodies) + Infrastructure (Capital + Major Habitats & Settlements → Total population only) + Governance & Control
Full (system central to the current or upcoming plot): + System Architecture Notes + Infrastructure → Major Habitats & Settlements (itemized habitats) + Industrial & Economic Assets + Strategic & Navigational Features