Not sure if you need to go back to the beginning npc at celestial vale.
Or have to go back to the last part before Jupiter.
Try finding this npc: Moo Sencho - "World" 740 964(25)
or follow the trend of the questline here:
https://epicpw.com/index.php?topic=56260.0#post_topDo you have any RED quest in your quest log?
What level are your old toons?
What time (server time) are you usually on? I'll make myself available for you to assist you better in game.