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The Mission




Orbiter: Atlantis
Mission: STS-125
Payload: HST SM-4
Launch: TBD
Time: TBD
Site: Pad 39A, Kennedy Space Center, Florida
Landing: TBD
Site: Shuttle Landing Facility, KSC

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STS-125 Launch Windows
COMPILED BY WILLIAM HARWOOD
Posted: September 26, 2008

Changes and additions:
- August 14: Posting initial release
- September 22: Adding new in-plane launch times
- September 26: Updated chart

Editor's Note: For a launch on Oct. 14, NASA has two launch "panes" in the overall window. Pane 1 opens at 10:09 p.m. with a large phase angle. Launch originally was targeted for 10:19 p.m., 10 minutes into the window to improve ascent performance. But that would require moving up the Hubble grapple by one orbit. Due to orbital mechanics, that is no longer consider a viable option and as a result, NASA plans to launch Atlantis at the opening of the second pane at 10:16:27 p.m.


DATE.......WINDOW OPEN...LAUNCH........WINDOW CLOSE

10/14/08...10:16:27 PM...10:16:27 PM...11:11:09 PM

10/15/08...09:38:39 PM...09:48:39 PM...10:40:34 PM

10/16/08...09:08:05 PM...09:18:05 PM...10:14:23 PM

10/17/08...08:37:30 PM...08:47:30 PM...09:43:43 PM

10/18/08...08:11:16 PM...08:21:16 PM...09:13:06 PM

10/19/08...07:40:38 PM...07:50:38 PM...08:42:31 PM

10/20/08...07:10:02 PM...07:20:02 PM...08:16:18 PM

10/21/08...06:40:02 PM...06:50:02 PM...07:45:40 PM

10/22/08...06:13:12 PM...06:23:12 PM...07:15:03 PM

10/23/08...05:42:35 PM...05:52:35 PM...06:44:30 PM

10/24/08...05:12:00 PM...05:22:00 PM...06:18:14 PM

10/25/08...04:45:46 PM...04:55:46 PM...05:47:36 PM


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