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Emily LakdawallaJanuary 17, 2006

Launch time is changing; still T minus 4 and holding

The launch time has been changed to 13:45 eastern time because of the LOX valve and the winds. Here's a new timeline based on that launch time:

 ElapsedESTPSTUTC
Launch 0:00 13:45:00 10:45:00 18:45:00
SRB burnout and jettison 0:01:47 13:46:47 10:46:47 18:46:47
  0:01:48 13:46:48 10:46:48 18:46:48
Payload fairing jettison 0:03:23 13:48:23 10:48:23 18:48:23
Core booster burnout 0:04:28 13:49:28 10:49:28 18:49:28
Centaur separation 0:04:34 13:49:34 10:49:34 18:49:34
Centaur first burn 0:04:44 13:49:44 10:49:44 18:49:44
Park orbit / cruise phase 0:10:06 13:55:06 10:55:06 18:55:06
Centaur second burn 0:32:23 14:17:23 11:17:23 19:17:23
Third stage separation 0:42:15 14:27:15 11:27:15 19:27:15
Star 48B ignition 0:42:52 14:27:52 11:27:52 19:27:52
Star 48B burnout 0:44:20 14:29:20 11:29:20 19:29:20
Spacecraft separation 0:47:22 14:32:22 11:32:22 19:32:22

Read more: New Horizons, mission status

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Emily Lakdawalla

Senior Editor and Planetary Evangelist for The Planetary Society
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