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Cassini–Huygens Probe

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Author Topic: Cassini–Huygens Probe  (Read 194 times)
Abraxas
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« Reply #15 on: June 21, 2007, 02:10:12 am »



Picture of Moon during flyby

Cassini orbiter travel milestones
Spacecraft event time Distance from Saturn
2004-Mar-22 07:42:14 50,000,000 kilometers
2004-Apr-12 19:35:12 40,000,000 kilometers
2004-May-04 02:59:09 30,000,000 kilometers
2004-May-25 02:40:06 20,000,000 kilometers
2004-Jun-14 11:15:22 10,000,000 kilometers
Detailed timeline of Huygens mission
All times given after 2005-Jan-14 09:11 UTC are expected event times and may differ from actual event times. This page will be updated after descent has occurred with corrections if they are necessary.

The data used in this section has been slightly out of date, an updated version of ephemeris from ESA was available 2005 January 6.

Huygens probe travel milestones

Spacecraft event time Description

2004-Dec-25 02:00 UTC Huygens separates from Cassini
2004-Dec-25 06:07 UTC 5 kilometers from Cassini
2004-Dec-25 10:13 UTC 10 kilometers from Cassini
2004-Dec-28 01:17 UTC 100 kilometers from Cassini
2004-Dec-28 12:20 UTC 1,000 kilometers from Cassini
2004-Dec-29 00:02 UTC 2,000 kilometers from Cassini
2004-Dec-29 11:39 UTC 3,000 kilometers from Cassini
2004-Dec-29 23:11 UTC 4,000 kilometers from Cassini
2004-Dec-30 10:36 UTC 5,000 kilometers from Cassini
2005-Jan-03 20:01 UTC 4,658,661 kilometers from Titan (farthest distance)
2005-Jan-06 23:40 UTC 4,000,000 kilometers from Titan
2005-Jan-09 01:26 UTC 3,000,000 kilometers from Titan
2005-Jan-10 18:37 UTC 2,000,000 kilometers from Titan
2005-Jan-12 11:20 UTC 1,000,000 kilometers from Titan
2005-Jan-12 15:36 UTC 900,000 kilometers from Titan
2005-Jan-12 19:56 UTC 800,000 kilometers from Titan
2005-Jan-13 00:19 UTC 700,000 kilometers from Titan
2005-Jan-13 04:48 UTC 600,000 kilometers from Titan
2005-Jan-13 09:21 UTC 500,000 kilometers from Titan
2005-Jan-13 13:59 UTC 400,000 kilometers from Titan
2005-Jan-13 18:43 UTC 300,000 kilometers from Titan
2005-Jan-13 23:31 UTC 200,000 kilometers from Titan
2005-Jan-14 04:23 UTC 100,000 kilometers from Titan
2005-Jan-14 04:53 UTC 90,000 kilometers from Titan
2005-Jan-14 05:22 UTC 80,000 kilometers from Titan
2005-Jan-14 05:52 UTC 70,000 kilometers from Titan
2005-Jan-14 06:21 UTC 60,000 kilometers from Titan
2005-Jan-14 06:50 UTC 50,000 kilometers from Titan
2005-Jan-14 07:20 UTC 40,000 kilometers from Titan
2005-Jan-14 07:49 UTC 30,000 kilometers from Titan
2005-Jan-14 08:18 UTC 20,000 kilometers from Titan
2005-Jan-14 08:48 UTC 10,000 kilometers from Titan
2005-Jan-14 08:51 UTC 9,000 kilometers from Titan
2005-Jan-14 08:54 UTC 8,000 kilometers from Titan
2005-Jan-14 08:57 UTC 7,000 kilometers from Titan
2005-Jan-14 08:59 UTC 6,000 kilometers from Titan
2005-Jan-14 09:02 UTC 5,000 kilometers from Titan
2005-Jan-14 09:06 UTC Huygens enters the atmosphere of Titan
2005-Jan-14 11:24 UTC Huygens impacts with the surface of Titan


Celestial phenomena as seen from the landing site in the landing (Titan's) day

The landing day begins at 2005-Jan-08 04:05:08 UTC and ends at 2005-Jan-24 03:26:14 UTC.

According to Huygens predicted descent trajectory provided by ESA/JPL, valid as of January 6, 2005, the probe was projected to land at 10.2936 degrees south and 163.1775 degrees east. Prior to the landing, the location of the landing site could not be known exactly, since the probe will be influenced by the wind in Titan's atmosphere as it descends.

Local apparent solar time Spacecraft event time Description
03:06 2005-Jan-10 05:43 UTC Jupiter rises
03:21 2005-Jan-10 09:43 UTC Phoebe sets
03:55 2005-Jan-10 18:47 UTC Pluto rises
04:56 2005-Jan-11 10:54 UTC Cassini rises
05:03 2005-Jan-11 12:52 UTC Huygens rises
05:06 2005-Jan-11 13:29 UTC Mars rises
05:29 2005-Jan-11 19:36 UTC Venus rises
05:31 2005-Jan-11 20:19 UTC Mercury rises
05:35 2005-Jan-11 21:22 UTC Iapetus rises
05:43 2005-Jan-11 23:20 UTC Sun rises
05:44 2005-Jan-11 23:39 UTC Earth rises
05:44 2005-Jan-11 23:40 UTC Moon rises
06:52 2005-Jan-12 17:54 UTC Neptune rises
07:47 2005-Jan-13 08:32 UTC Uranus rises
08:26 2005-Jan-13 18:46 UTC Earth transit across Sun (1st contact)
08:26 2005-Jan-13 18:53 UTC Earth transit across Sun (2nd contact)
08:35 2005-Jan-13 21:20 UTC Moon transit across Sun (1st contact)
08:36 2005-Jan-13 21:22 UTC Moon transit across Sun (2nd contact)
08:48 2005-Jan-14 00:34 UTC Earth transit across Sun (Greatest)
08:58 2005-Jan-14 03:13 UTC Moon transit across Sun (Greatest)
09:09 2005-Jan-14 06:15 UTC Earth transit across Sun (3rd contact)
09:09 2005-Jan-14 06:23 UTC Earth transit across Sun (4th contact)
09:12 2005-Jan-14 07:10 UTC Cassini transit the meridian
09:20 2005-Jan-14 09:03 UTC Moon transit across Sun (3rd contact)
09:20 2005-Jan-14 09:05 UTC Moon transit across Sun (4th contact)
09:20 2005-Jan-14 09:06 UTC Huygens enters the atomsphere
09:28 2005-Jan-14 11:11 UTC Jupiter transit the meridian
09:28 2005-Jan-14 11:24 UTC Huygens impacts with the surface
09:35 2005-Jan-14 13:08 UTC Cassini sets
10:11 2005-Jan-14 22:41 UTC Pluto transit the meridian
10:23 2005-Jan-15 01:48 UTC Hyperion sets
11:14 2005-Jan-15 15:27 UTC Iapetus transit the meridian
11:26 2005-Jan-15 18:36 UTC Mars transit the meridian
11:48 2005-Jan-16 00:36 UTC Venus transit the meridian
11:50 2005-Jan-16 01:09 UTC Mercury transit the meridian
11:59 2005-Jan-16 03:26 UTC Earth transit the meridian
11:59 2005-Jan-16 03:27 UTC Moon transit the meridian
12:00 2005-Jan-16 03:44 UTC Sun transit the meridian
13:05 2005-Jan-16 21:02 UTC Neptune transit the meridian
13:56 2005-Jan-17 10:39 UTC Uranus transit the meridian
15:49 2005-Jan-18 16:41 UTC Jupiter sets
16:26 2005-Jan-19 02:24 UTC Phoebe rises
16:26 2005-Jan-19 02:36 UTC Pluto sets
17:46 2005-Jan-19 23:42 UTC Mars sets
17:55 2005-Jan-20 02:08 UTC Iapetus sets
18:08 2005-Jan-20 05:35 UTC Venus sets
18:10 2005-Jan-20 06:06 UTC Mercury sets
18:14 2005-Jan-20 07:20 UTC Earth sets
18:14 2005-Jan-20 07:21 UTC Moon sets
18:17 2005-Jan-20 08:09 UTC Sun sets
19:18 2005-Jan-21 00:10 UTC Neptune sets
20:05 2005-Jan-21 12:46 UTC Uranus sets
21:31 2005-Jan-22 11:44 UTC Phoebe transit the meridian

Timeline of Huygens landing process

Spacecraft event time Description

2005-Jan-11 12:00 UTC Orbiter rise in the east (azimuth = 93 degrees) as seen from the landing site
2005-Jan-14 06:50 UTC Orbiter turns on probe radio link receivers
2005-Jan-14 07:02 UTC Orbiter begins to turn radio dish toward Titan
2005-Jan-14 07:14 UTC Orbiter turn to Titan complete; 3 minutes later orbiter X-band downlink disabled
2005-Jan-14 08:29 UTC Saturn occulted by Titan as seen from Huygens
2005-Jan-14 08:38 UTC Saturn's rings occulted by Titan as seen from Huygens
2005-Jan-14 08:44 UTC Probe turns transmitters on; low power mode
2005-Jan-14 09:06 UTC Huygens enters the atomsphere of Titan
2005-Jan-14 09:09 UTC Huygens feels maximum deceleration
2005-Jan-14 09:10 UTC Deploy pilot chute
2005-Jan-14 09:10 UTC Release aft cover
2005-Jan-14 09:10 UTC Deploy main parachute
2005-Jan-14 09:11 UTC Begin transmission to Cassini orbiter
2005-Jan-14 09:11 UTC Release front shield; transmitters switch to high power mode; instruments configured for descent and measurements commence
2005-Jan-14 09:25 UTC Main parachute separates; deploy stabilizing drogue chute
2005-Jan-14 09:42 UTC Surface proximity sensor activated
2005-Jan-14 09:49 UTC Possible icing effects on probe
2005-Jan-14 09:50 UTC Gas Chromatograph Mass Spectrometer begins sampling atmosphere
2005-Jan-14 11:12 UTC Orbiter makes its closest flyby of Titan at an altitude of 59996 kilometers at a speed of 5401 meters per second and 93 degree phase angle (azimuth = 278 degrees, elevation = 33 degrees as seen from the landing site)
2005-Jan-14 11:23 UTC Turn on descent imager lamp
2005-Jan-14 11:24 UTC Huygens impact with surface of Titan
2005-Jan-14 13:11 UTC Orbiter sets in the west (azimuth = 272 degrees) as seen from the landing site
2005-Jan-14 13:37 UTC Orbiter stops probe data collection


Saturn tour

Body Date (UTC) Altitude (kilometer)
Phoebe 2004-Jun-11 19:33 1,997
Titan 2004-Oct-26 15:30 1,200
Titan 2004-Dec-13 11:38 1,200
Probe Release 2004-Dec-25 02:00 
Iapetus 2005-Jan-01 02:28 65,000
Titan 2005-Jan-14 11:12 60,000
Titan 2005-Feb-15 06:58 1,577
Enceladus 2005-Feb-17 03:30 1,176
Enceladus 2005-Mar-09 09:08 500
Titan 2005-Mar-31 20:05 2,402
Titan 2005-Apr-16 19:12 1,025
Enceladus 2005-Jul-14 19:58 175
Mimas 2005-Aug-02 04:01 48,842
Titan 2005-Aug-22 08:53 3,758
Titan 2005-Sep-07 08:01 1,025
Tethys 2005-Sep-24 01:36 1,500
Hyperion 2005-Sep-26 01:46 500
Dione 2005-Oct-11 17:59 500
Titan 2005-Oct-28 04:04 1,451
Rhea 2005-Nov-26 22:37 500
Titan 2005-Dec-26 18:59 10,409
Titan 2006-Jan-15 11:41 2,043
Titan 2006-Feb-27 08:25 1,813
Titan 2006-Mar-19 00:06 1,951
Titan 2006-Apr-30 20:58 1,855
Titan 2006-May-20 12:18 1,879
Titan 2006-Jul-02 09:21 1,906
Titan 2006-Jul-22 00:25 950
Titan 2006-Sep-07 20:13 950
Titan 2006-Sep-23 18:54 950
Titan 2006-Oct-09 17:25 950
Titan 2006-Oct-25 15:53 950
Titan 2006-Dec-12 11:37 950
Titan 2006-Dec-28 10:02 1,500
Titan 2007-Jan-13 08:36 950
Titan 2007-Jan-29 07:13 2,726
Titan 2007-Feb-22 03:10 950
Titan 2007-Mar-10 01:47 950
Titan 2007-Mar-26 00:21 950
Titan 2007-Apr-10 22:57 950
Titan 2007-Apr-26 21:31 950
Titan 2007-May-12 20:08 950
Titan 2007-May-28 18:51 2,426
Titan 2007-Jun-13 17:46 950
Tethys 2007-Jun-27 19:51 15,859
Titan 2007-Jun-29 17:02 1,944
Titan 2007-Jul-19 00:37 1,300
Rhea 2007-Aug-30 01:28 5,116
Titan 2007-Aug-31 06:35 3,212
Iapetus 2007-Sep-10 12:34 1,227
Titan 2007-Oct-02 04:54 950
Titan 2007-Nov-19 00:58 950
Titan 2007-Dec-05 00:06 1,300
Titan 2007-Dec-20 22:53 950
Titan 2008-Jan-05 21:25 950
Titan 2008-Feb-22 17:39 950
Enceladus 2008-Mar-12 19:07 1,000
Titan 2008-Mar-25 14:35 950
Titan 2008-May-12 10:10 950
Titan 2008-May-28 08:33 1,348
« Last Edit: June 21, 2007, 02:13:39 am by Abraxas » Report Spam   Logged
Abraxas
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« Reply #16 on: June 21, 2007, 02:14:33 am »



Jupiter flyby picture
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« Reply #17 on: June 21, 2007, 02:15:23 am »



'F' Ring and shepherd moons
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« Reply #18 on: June 21, 2007, 02:16:17 am »



Titan seen from Cassini
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« Reply #19 on: June 21, 2007, 02:17:16 am »



This image of Saturn's moon Phoebe was taken by Cassini spacecraft at 16:10 UT on 2004-Jun-11
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« Reply #20 on: June 21, 2007, 02:18:11 am »



Ring edge as seen by Cassini
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« Reply #21 on: June 21, 2007, 02:19:01 am »


False color image of Titan
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« Reply #22 on: June 21, 2007, 02:19:52 am »



Huygens is released on its way to Titan.
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« Reply #23 on: June 21, 2007, 02:21:07 am »



First picture from the surface of Titan



First closeup view of Enceladus
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« Reply #24 on: June 21, 2007, 02:22:00 am »



Mass plot for Titan's atmosphere
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« Reply #25 on: June 21, 2007, 02:23:01 am »



One of the incredible images of Saturn released by NASA on March 1, 2007. The image was taken on January 19 of that year.
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« Reply #26 on: June 21, 2007, 02:23:56 am »



Huygens's distance from Tit
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« Reply #27 on: June 21, 2007, 02:24:57 am »



Downlink timeline of acquired Huygens Probe data from Cassini Orbiter to Earth.
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