Stellar nursery which is home to the shattered remains of a golden world, and Vetra's Loyalty Mission.
Ameayii: The crater here yields XP, rather than the hinted eezo.
Phaidra: No wolves or motorcycles, or anything else, really.
Nuundri: Has a volcano which can be scanned for XP.
H-047c: Not sure why the projected settlement world is the only one in the system without a proper name, but in anycase H-047c is the last of the drivable planets. You can't create a colony here, but you can tool around in the NOMAD, raid mining camps, and even conquer a Vault.