Korriban Datacrons - Very Incomplete

Willpower +2

Coordinates: X: 529, Y: 65

Easy to find, you can see it glowing as you leave the taxi station in the Lower Wilds.

Endurance +2

Coordinates: X: 150, Y: 78

Next to the shuttle that will take you off of the starting planet

Red Matrix Shard

Coordinates: X: -55, Y: 379

Located near the entrance to the tombs, where Heroic quests are.