UNKNOWN: Combat sites
GRAVIMETRIC: Hidden asteroid belts
MAGNETOMETRIC: Archaeology/Salvage profession sites
RADAR: Hacking profession sites
LADAR: Gas Cloud sites

(Faction) Burrow / Drone Collection (lowest)
(Faction) Hideaway / Drone Cluster
(Faction) Refuge / Drone Gathering
(Faction) Den / Drone Gathering
(Faction) Yard / Drone Surveillance
(Faction) Rally Point / Drone Menagerie
(Faction) Port / Drone Herd
(Faction) Hub / Drone Squad
(Faction) Haven / Drone Portal
(Faction) Sanctum / Drone Horde (hardest)

Players with -2.0 or worse will be attacked in 1.0 systems
Players with -2.5 or worse will be attacked in 0.9 systems
Players with -3.0 or worse will be attacked in 0.8 systems
Players with -3.5 or worse will be attacked in 0.7 systems
Players with -4.0 or worse will be attacked in 0.6 systems
Players with -4.5 or worse will be attacked in 0.5 systems