I was on my front deck having coffee when i noticed a large bright white light off to the sw about 10 degrees above the horizon. when i really focused on it i could see a "cone" shaped vapor trail emitting form behind the object (like a rocket when it blows of the 2nd. stage). the object seemed to slightly change in flight direction, it appeared to slowly drift from s to sw and back again a few times. then it turn to the west and vanished leaving a visible vapor trail of this "s" pattern or possibly "cork screw" pattern in the sky. see attached pictures of vapor trail