STS-130 countdown highlights
(countdown events are targeted for the preferred launch time of 10:39 CET on 7 February)
Friday, 5 February:
00:00 Countdown enters a 4-hour built-in hold at the T-27 hour mark
04:00 Countdown resumes at the T-27 hour mark with PRSD loading of Endeavour’s three power-producing fuel cells with liquid oxygen and liquid hydrogen
12:00 Countdown enters a 9-hour built-in hold at the T-19 hour mark; PRSD loading is complete and offloading of a portion of the cryogenics begins to meet the correct APM for Endeavour
21:00 Countdown resumes at the T-19 hour mark
Saturday, 6 February:
05:00 Countdown enters a 13-hour, 14-minute built-in hold at the T-11 hour mark
18:14 Countdown resumes at the T-11 hour mark
19:24 Fuel cell activation
23:14 Countdown enters a 2-hour built-in hold at the T-6 hour mark
23:45 Astronauts wake up for launch (astronauts have the option to sleep an extra hour)
Sunday, 7 February:
01:00 NASA TV FUELING COVERAGE BEGINS; astronauts undergo final medical exams
01:14 Countdown resumes at the T-6 hour mark with the fueling of Endeavour
04:14 Countdown enters a 2-hour, 30-minute built-in hold at the T-3 hour mark; fueling is complete and goes into stable replenish
04:30 The Ascent Team of flight controllers is on console in Mission Control, Houston
05:30 NASA TV COVERAGE BEGINS FOR ENDEAVOUR’S LAUNCH
06:19 The astronauts suit up for launch
06:44 Countdown resumes at the T-3 hour mark
06:49 The astronauts depart their crew quarters for Launch Pad 39-A
07:19 The astronauts arrive at Launch Pad 39-A and begin to board Endeavour
08:34 Endeavour’s hatch is closed and latched for launch
09:24 Countdown enters a 10-minute built-in hold at the T-20 minute mark
09:34 Countdown resumes at the T-20 minute mark
09:45 Countdown enters a 40-minute built-in hold at the T-9 minute mark; the MMT conducts its final poll for a “go-no go” for the launch of Endeavour (this hold will be adjusted by about 5 additional minutes to become a 45-minute built-in hold designed to meet the preferred in-plane launch time of 10:39:44 CET)
10:30 Countdown resumes at the T-9 minute mark
10:34 APU start
10:39:44 LAUNCH OF ENDEAVOUR ON THE STS-130 MISSION
10:48:14 MECO
Last update: 5 February 2010
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