Indeed.
This is the best guide to narrow it down.
https://docs.google.com/spreadsheet...RsDxfAcQa7cBq0YUIFy3m2NII/edit#gid=1438475835
Example exerpt.
Core Dynamic Composites
State: "None / Election (100%)
Allegiance: Federation
Rare component found only in Federal "Election" state systems in "High Grade Emission" "Unknown Signal Source".
It also drop in systems with "Boom","War","Civ War" and "Outbreak" but other rare materials reduce the chance of drop."
... Shipping lanes I don't know, I thought it was just high traffic area between stars/planets/stations.
I only search for HGE' as everything else can be gathered through less soul destroying means.