Heck, if you're splitting the party into two groups, you may as well go up to three groups. In fact, having every party member off in a group of their own makes things even easier for the GM to keep track of!
Yoda: Have fun while I'm off on Kashyyyk helping the Wookiees!
Obi-Wan: Don't you think you should help us on Coruscant or Utapau?
Yoda: Just because you do what anyone tells you?
GM: He does? We'd be on Naboo by now if—
Yoda: I'm a Jedi Master! I can do whatever I want!
Obi-Wan: Okay, okay. I'm sure there's some strategic reason why Kashyyyk is important. Right, Master Windu?
Mace Windu: Let me just ponder my vast knowledge of this ancient and renowned planet.
Yoda: Quiet everybody. About to tell us something, Master Windu is.
Mace Windu: Actually... I got nothing. You'd better go there and find out.
Mace Windu: And write a report for me when you get back.