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human
[Star Wars: Episode III] Did Palpatine make a tactical error with Order 66?

Hey all, I was rewatching Revenge of the Sith recently and a thought struck me as the Order 66 scenes were taking place. Allow me to share my train of thought. 

After Anakin is baptised as Vader, Palpatine begins to enact his plans to destroy the Jedi and assume power. He orders Vader to march on the Jedi Tenple and kill everyone there. Vader rightly points out that many Jedi are scattered across thr galaxy. Palpatine assures that they will be "taken care of". 

Enter Order 66, a purge of Jedi enacted by their Clone allies that proves to be incredibly effective because the Jedi, who's senses are clouded by the Dark Side and who's trust in the Clones has led to complacency, fail to sense the danger in time and are killed.

With the sole exception of Yoda. Who, upon sensing the death of his fellow Jedi across the galaxy realises the danger in time to turn on his Clones. 

My question is. Why didn't Palpatine order the death of Yoda sooner? With the possible exception of Obi Wan no other Jedi is more dangerous  (or has a greater chance of sensing the trap) than Yoda. And while it did ultimately prove inconsequential for the rise of the Empire, failing to recognize Yoda as the highest possible Jedi target seems like an uncharacteristic error from an otherwise shrewd and cautious tactician.
gpt
Making a move on Yoda before Order 66 would have warned the Jedi and let the prepare. Even if it was a secret assassination, Yoda was in constant contact with all levels of Jedi command and would immediately have been missed.

All in all, it was the right move. The only reason Palatine fell was because he got arrogant and didn't forsee Vader turning on him in that moment.