Juno Perijove 55, October 15, 2023 |
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Juno Perijove 55, October 15, 2023 |
 Sep 29 2023, 06:09 PM
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#1
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 Senior Member  Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23  |
Finished up a set of preview images for this encounter:
https://pirlwww.lpl.arizona.edu/~perry/Juno/pj55.htm This uses the PJ53 images as a template for image timing, so images every 3 minutes ±10 minutes of C/A then wider spacing outside of that. Juno is oriented so that is off nadir so it does a better job of keeping Io in the middle of the JunoCam FOV (and JIRAM centered on Io as well, which is great as the drift near C/A can lead to only a few images being taken making summed images have poorer quality). -------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Sep 29 2023, 07:30 PM
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#2
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 Member Group: Members Posts: 226 Joined: 13-October 09 From: Olympus Mons Member No.: 4972 |
This will be the first of 4 flybys that will definitely improve mapping of Io.
-------------------- "Thats no moon... IT'S A TRAP!"
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Sep 29 2023, 08:44 PM
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#3
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Pj53 already helped north of ~65N, particularly with mapping where mountains are.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 11 2023, 02:38 AM
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#4
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 11 2023, 05:11 AM
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#5
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Senior Member Group: Members Posts: 1276 Joined: 25-November 04 Member No.: 114 |
I didn't know about Juno's orbit possibly being changed. That is fascinating.
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Oct 11 2023, 04:20 PM
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#6
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Scott Bolton mentioned it at OPAG back in May and the dates and distances come from that presentation. That change hasn't shown up in the form of a new reference trajectory, so I don't know what the status of that orbit change.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 12 2023, 03:49 AM
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#7
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Member Group: Members Posts: 406 Joined: 18-September 17 Member No.: 8250 |
QUOTE (volcanopele @ Oct 10 2023, 07:38 PM)  Finished up my preview video for PJ55: https://youtu.be/bYP9G8fWRO0?si=ae57n3eA99kIyxVt Very nice. What software are you using for the animation. |
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Oct 12 2023, 03:34 PM
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#8
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
I use Cosmographia from NAIF: https://naif.jpl.nasa.gov/naif/cosmographia.html . I have a custom add-on for Juno that uses all the latest kernels and has footprints for JIRAM, JunoCam, and the SRU. I've attached a zip file of it here, but note that you still need to gather up all the necessary kernels. I've also attached a txt file copy of my meta kernel so you can see what ones you need to download.
For actually creating the video, I used Final Cut Pro, but I suspect you were asking more about the visualization tool.
Attached File(s)
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 16 2023, 01:21 AM
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#9
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Member Group: Members Posts: 890 Joined: 18-November 08 Member No.: 4489 |
[quote name='volcanopele' date='Oct 12 2023, 11:34 AM' post='261936']
I use Cosmographia from NAIF: i do the same but use celestia with a ton of kernels . My ssc file for the spacecraft is getting a bit long and the folder is 4.9 Gig in size |
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Oct 16 2023, 04:05 PM
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#10
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Senior Member Group: Members Posts: 1276 Joined: 25-November 04 Member No.: 114 |
Was flyby successful?
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Oct 16 2023, 05:31 PM
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#11
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
So far so good. reconstructed c-kernel dropped about 30 minutes ago.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 16 2023, 08:50 PM
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#12
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Member Group: Members Posts: 406 Joined: 18-September 17 Member No.: 8250 |
Looks fairly successful.
Exaggerated Color/Contrast PJ55_29, Io from 11645 km. (north not up)
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Oct 16 2023, 09:47 PM
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#13
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Member Group: Members Posts: 406 Joined: 18-September 17 Member No.: 8250 |
Io and Jupiter. PJ55_26. (17706 km altitude over Io)
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Oct 16 2023, 10:04 PM
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#14
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
First image complete. JNCE_2023288_55C00029_V01. -------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Oct 16 2023, 11:21 PM
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#15
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Member Group: Members Posts: 406 Joined: 18-September 17 Member No.: 8250 |
We've got some plumage, and Jupiter-shine illumination.
PJ55_29 with .5 gamma.
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