The nexte planets feature are :
Ahch To
Alderaan
Bespin
Coruscant
Dathomir
DeathStar
D'Quar
Geonosis
Jakku
Kamino
Kessel
Mandalore
Mon Calamari
Mustafar
Naboo
Ryloth
Sullust
Takodana
Utapau
But i think the two next is Dathomir and the Death Star because there are their textures.