Spacecrafts for Celestia

The home for finished/released addons.
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DaveBowman2001
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Post #1701by DaveBowman2001 » 24.10.2021, 15:29

Linuxman's ISS addon is directly derived from the site you provided, SpaceExplorer. But yes, since it's so highly detailed it couldn't render properly in weaker graphics. In spite of this, it is still one of the most beautiful spacecraft add-ons ever created
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SpaceExplorer
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Post #1702by SpaceExplorer » 24.10.2021, 15:41

And taking advantage of this moment, will you put the download link for the Inspiration4 addon here? I had seen the images here: viewtopic.php?f=2&t=17034&start=740 . It would be amazing to see that spaceflight on Celestia! :biggrin: :biggrin: :biggrin:

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DaveBowman2001
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Post #1703by DaveBowman2001 » 24.10.2021, 16:00

I'm terribly sorry, but I can't. It is one of a few projects that I'm currently reluctant to release publicly.
"Open the pod-bay doors HAL"
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SpaceExplorer
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Post #1704by SpaceExplorer » 24.10.2021, 16:04

Okay, but maybe one day you'll change your mind, looking forward to it! :smoke:

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DaveBowman2001
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Post #1705by DaveBowman2001 » 24.10.2021, 16:14

Thanks. In the meantime, if you want to find more spacecraft add-ons from this thread or any other page, you can look into the lists Sirius_Alpha and I created here:
- Interplanetary Missions Collection
- Earth Orbit Missions Collection

And the Excel overview originally created by gironde on the List of Celestia add-ons thread
"Open the pod-bay doors HAL"
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SpaceExplorer
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Post #1706by SpaceExplorer » 24.10.2021, 17:02

Thanks for the topic suggestions to find spacecrafts addons! :smile:

SpaceExplorer
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Post #1707by SpaceExplorer » 26.10.2021, 16:30

Hi

I need help with the Juno space probe addon (latest version, made by toutatis). It turns out that the model's orientation is incorrect. In the year 2018 in Celestia, Juno has the solar panels totally on the opposite side to the Sun, and in reality that never happened to Juno. I wanted Juno's solar panels to always be fixed towards the Sun, from the start of the mission in August 2011 until the end in September 2025. What modification to the SSC do I have to make to create this fix?

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selden
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Post #1708by selden » 26.10.2021, 18:50

Briefly, you can use a "BodyFrrame" "TwoVector" construct and specify Primary and Secondary Axis definitions to make an axis of one object point at another object.

I did this a long time ago. It'll take me a while to find (or recreate) a simple example.
Selden

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DaveBowman2001
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MSL/Mars 2020 (cruise)

Post #1709by DaveBowman2001 » 28.10.2021, 14:05

NASA's Mars Science Laboratory and Mars 2020 rovers stowed in cruise configuration. XYZV trajectories made from JPL HORIZONS data

This addon also contains SSC updates to the Curiosity and the two Mars 2020 spacecraft addons. Download them first before installing this addon, which were the following:
- Curiosity by Cham
- Perseverance by SevenSpheres
- Ingenuity by Endeavor35
Attachments
MSL and Mars 2020 (cruise).zip
(2.86 MiB) Downloaded 45 times
unknown.png
unknown (1).png
Untitled.png
MSL trajectory, 2011-2012
Untitled.png
Mars 2020 trajectory, 2020-2021
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SpaceExplorer
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Post #1710by SpaceExplorer » 28.10.2021, 17:51

DaveBroman2001, in my Celestia, Perseverance Cruise Stage did not appear, it only appeared in Curiosity. I use all the addons I needed to install, and it didn't show up on the spacecrafts list. I don't know what happened... :think: :fie:

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selden
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Post #1711by selden » 30.10.2021, 16:18

WRT pointing at the sun:

Attached is an Addon which points a "mirror" at the sun.

And a screengrab showing it being used.
The SSC for Mirror_00 is unmodified, pointing in some random direction.
The SSC for Mirror_01 is modified to point it at the Sun.
The yellow arrow is provided by Celestia's "Reference Marks" popup menu "Show Sun Direction"

Edited to add:
The TwoVector reference frame property is documented at https://en.wikibooks.org/wiki/Celestia/Reference_Frames#TwoVector_property
With an example of Sun-locking at https://en.wikibooks.org/wiki/Celestia/Reference_Frames#Sun-locked
Attachments
point_at.jpg
Celestia screengrab
point_at.zip
Addon demonstrating pointing at the Sun
(59.14 KiB) Downloaded 14 times
Selden

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DaveBowman2001
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Post #1712by DaveBowman2001 » 02.11.2021, 12:20

SpaceExplorer wrote:Perseverance Cruise Stage did not appear, it only appeared in Curiosity.
Make sure the modified Perseverance.ssc overwrites the original file in order for the cruise stage to appear
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DaveBowman2001
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O3b-MEO

Post #1713by DaveBowman2001 » 03.11.2021, 03:57

O3b is a satellite constellation operated by SES Networks that provide low-latency broadband connectivity to remote locations for mobile network operators and internet service providers, maritime, aviation, and government and defence. Around 4 satellites at a time were separately launched in five Soyuz-2/Fregat rockets from 2013 to 2019 into an equatorial orbit around 8,000 km above the surface of the Earth.

Later, the spacecraft that comprise the O3b's first-generation were renamed into O3b-MEO to differentiate it from the upcoming constellation to be positioned on GEO called O3b-mPOWER

All 20 satellites are still active as of 2021-Nov-3
Attachments
O3b-MEO.zip
(2.01 MiB) Downloaded 16 times
O3b-MEO.png
unknown.png
unknown.png
The active (green) satellites of O3b-MEO
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toutatis
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Post #1714by toutatis » 04.11.2021, 14:34

I am in Republic of Uganda from October 14...

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Post #1715by bh » 04.11.2021, 18:49

Great!
What ya doin'?
regards...bh.

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gironde M
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Post #1716by gironde » 05.11.2021, 06:59

DaveBowman2001

I have the same result with O3b Meo as with Lunar Orbiter 1 to 5, and I noticed that this also happens with the starlink.cmod 3D model.

:think:

Added after 4 hours 15 minutes:
On September 27, 2021, the Air Force launched the 9th Landsat satellite. This satellite is designed on the same platform as Landsat 8. In the archive you will find Landsat 1 to 5 with a generic model, Landsat 7 and 8, already published in this thread and therefore Landsat 9 which uses the Landsat 8 model by Toutatis.

Sans titre 2.jpg

Landsat (NASA).zip
(2.17 MiB) Downloaded 13 times

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DaveBowman2001
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Post #1717by DaveBowman2001 » 10.11.2021, 03:25

gironde wrote:I have the same result with O3b Meo as with Lunar Orbiter 1 to 5, and I noticed that this also happens with the starlink.cmod 3D model.
This is the problem when processing models in OBJ format, of which cmodview leaves a single meshgroup that bugs for some reason. Unfortunately I couldn't replicate the crashing problem with my computer, but I'm guessing the buggy meshgroups is what causes it in other computers. The only solution I know of is process the models on 3DS instead of OBJ


O3b, Lunar Orbiter, Starlink, Venera (lander), some Apollo instruments, iirc were processed in OBJ formats. I'm going to reprocess them into 3DS, but so far I'm only successful in repairing Starlink


Here's the new 3DS-processed CMOD file for Starlink
Attachments
Starlink (CMOD fix).zip
(188.73 KiB) Downloaded 16 times
Untitled.png
"Open the pod-bay doors HAL"
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DaveBowman2001
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Mars Pathfinder

Post #1718by DaveBowman2001 » 10.11.2021, 06:05

Mars Pathfinder, the second mission under NASA's Discovery Program, is the first successful US mission to Mars since the Viking probes of the 1970s. It landed on Ares Vallis, Chryse Planitia on 1997-Jul-4. It also carried Sojourner, the first rover to move on the Martian surface.

The spacecraft operated on the surface for 85 days, until contact was lost on the lander on 1997-Sept-27. It was believed Sojourner was still operating at the time until as late as 1997-Oct-7, but it cannot make contact with Earth directly.

The technology used on this mission became the basis of almost all later surface probes by NASA in the next 20 years (MPL, MER-A/B, Phoenix, and InSight)
Attachments
Mars Pathfinder.zip
(1009.32 KiB) Downloaded 25 times
unknown (1).png
unknown.png
Untitled.png
"Open the pod-bay doors HAL"
"I'm sorry Dave, I'm afraid I can't do that"

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DaveBowman2001
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OSIRIS-REx (2021)

Post #1719by DaveBowman2001 » 12.11.2021, 05:33

OSIRIS-REx is a NASA asteroid study and sample-return mission as part of the New Frontiers program. It was launched on 2016-Sept-8, and arrived on 101955 Bennu on 2018-Dec-31. It acquired an estimated 400-1000 grams of material from the asteroid on 2020-Oct-20 and as of today (2021-Nov-12) is now on its way back to Earth. It is scheduled to return at 2023-Sept-24, and its mission could potentially be extended, with a possibility of targeting the spacecraft to orbit 99942 Apophis in 2029.

This addon only contains updated XYZV trajectory files for the spacecraft from 2016 until 2023 based on available HORIZONS data. Data for the potential mission extension to Apophis is not yet available.

An XYZV update to Bennu, and high-res textures (by Askaniy) is also included


IMPORTANT NOTE: Download first the model and textures by toutatis here.
Attachments
OSIRIS-REx (2021).zip
(13.31 MiB) Downloaded 27 times
Untitled.png
unknown (1).png
unknown (1).png
TAGSAM maneuver, 2020-Oct-20
unknown (1).png
Earth return, 2021-2023
Last edited by DaveBowman2001 on 12.11.2021, 08:24, edited 2 times in total.
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Askaniy
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Post #1720by Askaniy » 12.11.2021, 05:48

Celestia Origin project member; GitHub: github.com/Askaniy, Flickr: flic.kr/ps/3X3sC2, DeviantArt: deviantart.com/askaniy


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