NASA STS-128 (17A) Flight Day 12 (undocking) Timeline

Tuesday         September 8



  CDT             EDT           EVENT

  1:29 am         2:29 am       Station crew sleep

  1:59 am         1:59 am       Discovery crew sleep

  3:00 am         4:00 am       NASA TV:  Flt Day 11 Highlights (hourly 'til wake)

  7:30 am         8:30 am       NASA TV: ISS Flight Director update at PAO Console

  9:59 am        10:59 am       Discovery/Station crew wakeup (begins Flight Day 12)

  Noon            1:00 pm       Mission Management Team meeting

12:04 pm          1:04 pm       Discovery "Group B" power up

12:20 pm          1:20 pm       Station "hands" attitude control to Discovery

12:30 pm          1:30 pm       Discovery maneuvers complex to undock attitude (+XVV)

  1:45 pm         2:45 pm       Discovery/Station in undock attitude

  1:45 pm         2:45 pm       U.S. segment solar arrays "feathered"

  2:09 pm         3:09 pm       Russian segment arrays "feathered"

  2:26:37 pm      3:26:37 pm    UNDOCKING (223 miles up, over northwest China)

  2:26:42 pm      3:26:42 pm    Digital Auto Pilot (DAP) maintains corridor

  2:27:37 pm      3:27:37 pm    Initial separation pulses

  2:28:17 pm      3:28:17 pm    Station snaps and holds attitude

  2:31:37 pm      3:31:37 pm    Discovery reselects -X jets (range 50 feet)

  2:33:37 pm      3:33:37 pm    Discovery Reaction Control Sys in "Low Z" (range 75 feet)

  2:55:37 pm      3:55:37 pm    Fly around start with Pilot Kevin Ford flying (range 400 feet)

  3:05:07 pm      4:05:07 pm    Range 600 feet

  3:07:07 pm      4:07:07 pm    - R Bar crossing

  3:18:37 pm      4:18:37 pm    -V Bar crossing

  3:30:07 pm      4:30:07 pm    + R Bar crossing

  3:41:37 pm      4:41:37 pm    Separation 1 Burn on + V Bar (1.5 feet per second radial)

  4:09:37 pm      5:09:37 pm    Final separation burn (Sep 2 = 5 fps retrograde)

  4:30 pm         5:30 pm       NASA TV: post Mission Management Team briefing

  5:44 pm         6:44 pm       Discovery "Group B" power down

  6:14 pm         7:14 pm       Robot arm w/Orbiter boom inspects stbd wing leading edge

  7:54 pm         8:54 pm       Nosecap inspection

  8:00 pm         9:00 pm       NASA TV: Mission Status Briefing

  8:44 pm         9:44 pm       Port wing leading edge inspection

10:29 pm        11:29 pm        Robot arm stows Orbiter boom for final time

11:44 pm                        Taped playback of undocking and fly around



Wednesday       September 9



  CDT             EDT           EVENT

                12:44 am        Taped playback of undocking and fly around

  1:59 am         2:59 am       Discovery crew sleep

  2:00 am         3:00 am       NASA TV: Flt Day 12 highlights (hourly 'til wake)

  9:59 am       10:59 am        Discovery crew wake up (begins Flight Day 13)

The NASA TV schedule is on Revision “M” here: http://www.nasa.gov/shuttletv