Hallo an alle!
Habe mal für Heute und Morgen die wichtigsten Zeitpunkte des Starts herausgesucht und auf MEZ umgerechnet:
Heute Sonntag:
07:00 ..... Resume countdown at T-19 hours Begin filling pad sound suppression system water tank (07:00)
Pad sound suppression system water tank filling complete (08:30)
Main engine avionics, pneumatics and controller checkout completed (09:00)
15:00 ..... Enter built-in 13 hours, 3 minute hold at T-11 hours Activate the orbiter's communications systems
Rotating Service Structure begins move away from Atlantis to the park position (23:30)
Perform ascent switch list
Fuel cell flow-through purge complete
Morgen Montag:
04:03 ..... Resume countdown at T-11 hours Activate the orbiter's fuel cells (05:10)
Clear the blast danger area of all nonessential personnel v
09:03 ..... Enter 2-hour built-in hold at the T-6 hour mark Launch team verifies no violations of launch commit criteria prior to cryogenic loading of the external tank
Clear pad of all personnel
11:03 ..... Resume countdown at T-6 hours Chill down propellant transfer lines (11:03)
Begin loading the external fuel tank with about 500,000 gallons of cryogenic propellants (about 11:13)
14:03 ..... Enter 2-hour, 30-minute built-in hold at T-3 hours Complete filling the external tank with its flight load of liquid hydrogen and liquid oxygen propellants (about 14:03)
Final Inspection Team proceeds to launch pad
Perform inertial measurement unit preflight calibration
Align Merritt Island Launch Area tracking antennas
16:33 ..... Resume countdown at T-3 hours Perform open loop test with Eastern Range
Crew departs Operations and Checkout Building for the pad (16:38)
Complete closeout preparations in the White Room
Check cockpit switch configurations
Begin Eastern Range final network open loop command checks
Flight crew begins entry into the orbiter (17:08)
Astronauts perform air-to-ground voice checks with Launch and Mission Control
Begin to close Atlantis’ crew hatch (18:13)
Perform hatch seal and cabin leak checks
Complete White Room closeout
Closeout crew moves to fallback area
Primary ascent guidance data is transferred to the backup flight system
19:13 ..... Enter 10-minute hold at T-20 minutes NASA test director conducts final launch team briefings
19:23 ..... Resume countdown at T-20 minutes Transition the orbiter's onboard computers to launch configuration
Start fuel cell thermal conditioning
Close orbiter cabin vent valves
Transition backup flight system to launch configuration
19:34 ..... Enter estimated 45-minute hold at T-9 minutes Launch director, Mission Management Team and NASA test director conduct final polls for "go/no go" to launch
20:19 ..... Resume countdown at T-9 minutes Start automatic ground launch sequencer (T-9 minutes)
Retract orbiter crew access arm (T-7:30)
Start APU recorders (T-6:15)
Start auxiliary power units (T-5)
Terminate liquid oxygen replenish (T-4:55)
Start orbiter aerosurface profile test (T-3:55)
Start main engine gimbal profile test (T-3:30)
Pressurize liquid oxygen tank (T-2:55)
Begin retracting the gaseous oxygen vent arm (T-2:50)
Fuel cells to internal reactants (T-2:35)
Pressurize liquid hydrogen tank (T-1:57)
Deactivate bi-pod heaters (T-1:52)
Deactivate solid rocket booster joint heaters (T-0:50 seconds)
Orbiter transfers from ground to internal power (T-0:50 seconds)
Ground launch sequencer go for auto sequence start (T-0:31 seconds)
Booster gimbal profile (T-0:21 seconds)
Ignition of three space shuttle main engines (T-6.6 seconds)
Booster ignition and liftoff (T-0)
Preferred launch time: 20:28:04Ich freue mich schon auf morgen Abend, diesmal ist der Start zur "Prime Time" für uns
Werner
