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2001 Mars Odyssey
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MISSION

Launch Windows

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Launch Period: The orbiter launch period extended for 21 days, opening on April 7 and closing on April 27. The first 12 days of the launch period from April 7 to 18 make up what is considered the primary launch period; a secondary launch period runs from April 19 through 27. If Odyssey is launched during the secondary period, science data return at Mars may need to be reduced slightly because of higher arrival speeds and a longer aerobraking period. Arrival dates at Mars vary with launch dates, and range from October 17 to 28, 2001.

Daily Windows: Two nearly instantaneous launch opportunities occur each day during the launch period. The pair of launch opportunities is separated by 30 to 90 minutes depending on the day. On April 7, the first launch opportunity is at 11:02 AM EDT and the second is at 11:32 AM EDT. The opportunites become earlier each day through the launch period.

2001 Mars Odyssey Daily Launch Opportunities

Launch Date
Liftoff Time
(hh:mm:ss)

1st Opportunity
2nd Opportunity
UTC EDT UTC EDT
Time Between
Launch Attempts
(mm:ss)
April 07, 2001 15:02:22 11:02:22 15:32:22 11:32:22 30:00
April 08, 2001 14:29:00 10:29:00 15:29:0011:29:00 60:00
April 09, 2001 13:57:36 09:57:36 14:57:36 10:57:36 60:00
April 10, 2001 13:33:01 09:33:01 15:01:17 11:01:17 87:56
April 11, 2001 13:19:24 09:19:24 14:27:28 10:27:28 66:04
April 12, 2001 13:00:63 09:00:53 13:57:23 09:57:23 56:30
April 13, 2001 12:45:05 08:45:0513:35:08 09:35:08 50:03
April 14, 2001 12:31:00 08:31:00 13:16:47 09:16:47 45:47
April 15, 2001 12:22:13 08:22:13 13:05:52 09:05:52 43:40
April 16, 2001 12:10:05 08:10:05 12:51:11 08:51:11 41:06
April 17, 2001 11:58:53 07:58:53 12:37:50 08:37:50 38:57
April 18, 2001 11:48:2407:48:24 11:25:42 08:25:42 37:18
April 19, 2001 11:38:54 07:38:54 12:14:26 08:14:26 35:52
April 20, 2001 11:29:37 07:29:27 12:04:03 08:04:0334:36
April 21, 2001 11:23:28 07:23:28 11:57:21 07:57:21 33:53
April 22, 2001 11:15:12 07:15:12 11:48:06 07:48:06 32:54
April 23, 200111:07:26 07:07:26 11:39:28 07:39:28 32:02
April 24, 2001 11:00:06 07:00:06 11:31:25 07:31:25 31:19
April 25, 2001 11:53:12 06:53:12 11:23:4907:23:49 30:37
April 26, 2001 10:46:41 06:46:41 11:16:43 07:16:43 30:02
April 27, 2001 10:40:32 06:40:32 11:10:01 07:10:01 29:29

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