STS-128 ISS UNDOCKING TIMELINE 9/8 03:26:37 PM UNDOCKING 03:27:37 PM Initial separation 03:28:17 PM ISS holds attitude 03:31:37 PM Range: 50 feet; reselect -X jets 03:33:37 PM Range 75 feet; low Z 03:43:24 PM Sunrise 03:55:37 PM Range: 400…