I went for Occupation, but after taking it, the enemy only made one attempt at it, it was pretty feeble to be honest. Couple of capitals, a handful of cruisiers and maybe a dozen frigates, that ran away after losing 3 frigates and a kodiak, just fled the starbase I had sitting in the star though they could of probably taken it, I'd just left it there as a resupply and trade point, no weapons or hanger upgrades.
Played for another couple hours thanks to an autocast novalith shot that took its sweet time getting there taking the planet from me, I left it so not to win, so I could go artifact hunting, nothing ever went back to that star though, its like it just didnt exist to them.