Addon submission

[levinli303]

Submit your add-ons in this issue, thanks for your contribution! Submission template:

**Title:**
**Description:** (a short description to be shown on the addon download window)
**Proposed category:** (pick one of the existing categories (https://celestia.mobi/resources/), or suggest a new one)
**Demo Object Name:** (optional, the name of the main object used for Go to command)
**Author(s):**
**Release date:** (The date this add-on is released. If left empty, will be the date the add-on is uploaded here)
**Link to download:** (Please use zip to package the addon)
**Image:** (optional, no UI control element, HUD display, label. Avoid using "tall" pictures (height > width))
**Thumbnail:** (optional, by default will be the downscaled version of Image if present, so unless you want something different to show as a thumbnail, leave it empty)
**Additional metadata:** (optional, this can be anything that web supports. Link, image, audio, video, text, attributed text, cel URL, cel/celx scripts, embedded stuff (for example a YouTube video)...)

For updates to existing add-ons, please attach the link to the add-on and only include updated fields from the template.

For removal of add-ons, please attach the link too.

Check before uploading an add-on

Your add-on will be running on Android/iOS/macOS/Windows, to enable maximum compatibility, please ensure that

1. files names referenced in models, ssc, dsc files, etc are exactly the same as the actual file names (some file systems are case sensitive. For example if in your .ssc there is Mesh "Progress.cmod", then the file name should be exactly Progress.cmod not progress.cmod).
2. Textures should have width/height of power of 2 (for example: 1024 512, a texture of 1000 500 will not work on many mobile devices).
3. If your add-on requires specific Celestia versions, please mention in the description. Please also ensure that your add-on should not crash running on other versions.
4. If you are updating an existing add-on, note that existing users will not see an update button, so it might be a good idea to include version history in the description.
5. Please try to use smaller files for image/thumbnail/other metadata. For example, use JPG if alpha value is not needed.

Example:

Title: Kepler-1649 Description: The Kepler-1649 planetary system, which is a red dwarf star orbited by a Venus-analogue and an Earth-analogue. Alternate surfaces for planet c are included. Proposed category: Exoplanets Demo Object Name: Kepler-1649/c Author(s): SevenSpheres Release date: 2020-07-16 Link to download: Kepler-1649.zip Image:

[DaveBowman2001]

Title: Juno Description: Juno is an active NASA spacecraft currently in polar orbit around Jupiter since 2016, the second spacecraft to do so after Galileo. Launched in 2011, its mission is to measure Jupiter's composition, gravitational field, magnetic field, and polar magnetosphere. It will also search for clues about how the planet formed, including whether it has a rocky core, the amount of water present within the deep atmosphere, mass distribution, and its deep winds Proposed category: Spacecraft Demo Object Name: Juno NOTE: The name has an extra space to differentiate itself from the asteroid of the same name (i.e. it is named " Juno") Author(s): Art Blos, toutatis Release date: 2021-Dec-22 Link to download: Juno.zip Image: Additional metadata: Juno Mission Launches to Jupiter - YouTube Juno Flies Past the Moon Ganymede and Jupiter, With Music by Vangelis - YouTube

[DaveBowman2001]

Update for the Mars Science Laboratory addon

Additional metadata: Mars Science Laboratory Launch - YouTube Mars - MSL Curiosity - complete MARDI footage of the landing at original speed (EN) - YouTube

[DaveBowman2001]

Update for the Imaging X-ray Polarimetry Explorer addon

Additional metadata: Watch NASA's IXPE Observatory Launch Into Space — Official Live Broadcast

[SevenSpheres]

Demo Object Name: Juno NOTE: The name has an extra space to differentiate itself from the asteroid of the same name (i.e. it is named " Juno")

Couldn't it be named something like "Juno Spacecraft" or "Juno (spacecraft)"?

[DaveBowman2001]

"Juno Spacecraft" is too long for searching purposes, and if spacecraft labels are on

[levinli303]

Juno is available here: https://celestia.mobi/resources/item?item=060AE9BE-2918-616D-1D88-64C60FE62D04

Since description and image are not displayed when custom HTML is used, so I placed the description image after YouTube links, you can also insert text between images to make look like an article/story.

[DaveBowman2001]

Update for the Juno addon Seems like the " Juno" name doesn't work. Changed it to "J u n o" instead (it now has spaces in between all the letters like this: J_u_n_o)

Demo Object Name: J u n o Link to download: Juno.zip Additional metadata: Juno Mission Launches to Jupiter - YouTube Juno Flies Past the Moon Ganymede and Jupiter, With Music by Vangelis - YouTube Inside the clean room prior to launch, 2011

Launch from an Atlas V, 2011-Nov-26

Flyby of Earth, 2013-Oct-9

Perijove 18, 2019-Feb-12

Perijove 26, 2020-Apr-10

Io during Perijove 8, 2017-Sept-1

Flyby of Ganymede, 2021-Jun-7

[SevenSpheres]

"Juno Spacecraft" is too long for searching purposes, and if spacecraft labels are on Seems like the " Juno" name doesn't work. Changed it to "J u n o" instead (it now has spaces in between all the letters like this: J_u_n_o)

What about "Juno / Juno Spacecraft" (the first name for the label, the second to make it selectable)? Not "J u n o", that's just ridiculous.

[DaveBowman2001]

Update for the Solar Orbiter addon

Image: Additional metadata: Solar Orbiter Launch to Spot the Sun - YouTube

[DaveBowman2001]

Update for the Pioneer 10 and 11 addon

Image: Additional metadata: Pioneer 10 being assembled at a TRW plant in California, 1971

An Atlas-Centaur launching Pioneer 10 (left) and Pioneer 11 (right)

Jupiter as seen by Pioneer 10, December 1973

Ganymede (Pioneer 10), Dec 1973

Jupiter (Pioneer 11), Dec 1974

Io (Pioneer 11), Dec 1974

Saturn (Pioneer 11), Aug 1979

Titan (Pioneer 11), Aug 1979

[DaveBowman2001]

Title: 81P/Wild Description: Comet Wild 2 is a former Halley-type comet when an encounter with Jupiter in 1974 reduced its orbital period from 43 years to just 6 years. In 2004, the Stardust spacecraft sampled the comet's coma for further study on Earth Proposed category: Comets Demo Object Name: Wild 2 Author(s): Art Blos, Greg Frieger Release date: 2016-Mar-6 Link to download: 81P-Wild.zip Image:

[DaveBowman2001]

Title: 103P/Hartley Description: Comet Hartley 2 is a Jupiter-family comet orbiting the Sun once every 6.46 years. The Deep Impact spacecraft was redirected to visit this comet in 2010 after its initial target, Comet Boethin, is declared lost. Proposed category: Comets Demo Object Name: Hartley 2 Author(s): Art Blos, Greg Frieger Release date: 2016-Mar-5 Link to download: 103P-Hartley.zip Image:

[SevenSpheres]

February 2022 version of the unconfirmed exoplanets addon.

Title: Unconfirmed Exoplanets Description: Catalogue of unconfirmed exoplanets and exomoons, supplementary to Celestia's default catalogue of confirmed exoplanets. Proposed category: Exoplanets Demo Object Name: N/A Author(s): Thomas Tarrants (Sirius_Alpha) Release date: 2022-02-03 Link to download: extrasolar_unconfirmed.zip

[DaveBowman2001]

Title: Deep Impact Description: Deep Impact is a NASA space probe designed to study the interior of Comet Tempel 1 by releasing an impactor into the comet, of which it struck at high velocity on 2005-Jul-4. Afterwards, it was sent on an extended mission to Comet Boethin, which later redirected to Comet Hartley 2 in 2010 after the former target was declared lost. It was scheduled to visit the asteroid (163249) 2002 GT in 2020, but the probe abruptly lost contact with Earth in 2013

(NOTE: This addon also includes the comet 9P/Tempel)

Proposed category: Spacecraft Demo Object Name: Deep Impact Author(s): FarGetaNik, Greg Frieger, DaveBowman2001, BrianJ Release date: 2016-Aug-4 Link to download: Deep Impact.zip Image: Additional metadata: NASA's Deep Impact mission - YouTube Inside the clean room before launch, 2005

Launch from a Delta II, 2005-Jan-12

The moment of impact on 9P/Tempel, 2005-Jul-4

Size comparison of the comets visited by Deep Impact

[DaveBowman2001]

Title: Stardust Description: Stardust is a NASA spacecraft which conducted the first sample-return mission to comets. Launched in 1999, it visited the asteroid 5535 Annefrank before taking a sample of the comet 81P/Wild's coma in 2004, which it returned to Earth in 2006. In 2011, it was then redirected to comet 9P/Tempel to investigate the crater left by Deep Impact in 2005, of which the latter hasn't been able to do so. A month after the Tempel 1 flyby, Stardust was decommissioned Proposed category: Spacecraft Demo Object Name: Stardust Author(s): toutatis Release date: 2021-Jul-14 Link to download: Stardust.zip Image: Additional metadata: Launch of the Stardust mission - YouTube Testing the solar arrays, 1998

Launch on a Delta II, 1999-Feb-7

5535 Annefrank, Nov 2002

The nucleus of 81P/Wild, 2004

The SRC just after landing, 2006

Comet Tempel 1 before/after Deep Impact, 2011

[DaveBowman2001]

Title: 5535 Annefrank Description: 5535 Annefrank is an S-type main-belt asteroid about 4.5 km in diameter. In 2002, it was visited by the Stardust spacecraft at a distance of 3,079 km while en route to Comet Wild 2 Proposed category: Asteroids Demo Object Name: Annefrank Author(s): Art Blos, Jack Higgins Release date: 2015-Mar-24 Link to download: 5535 Annefrank.zip Image:

[levinli303]

@SevenSpheres should this be an update to the existing catalog or a new one?

@DaveBowman2001 let's try to use jpg for previews.

[SevenSpheres]

@SevenSpheres should this be an update to the existing catalog or a new one?

An update to the existing one. There should be a new update every month.

[DaveBowman2001]

Title: 4 Vesta Description: 4 Vesta is a 558-km V-type asteroid in the asteroid belt, which is also the second largest after the dwarf planet Ceres. It was visited by the Dawn spacecraft in 2011, before departing for Ceres just over a year later.

(NOTE: This addon modifies the default version of Vesta)

Proposed category: Asteroids Demo Object Name: Vesta Author(s): FarGetaNik Release date: 2017-Mar-9 Link to download: 4 Vesta.zip Image:

[DaveBowman2001]

Title: 1 Ceres Description: 1 Ceres is the only known dwarf planet orbiting in the asteroid belt. It is the first and, at 964.4 km in diameter, the largest asteroid ever discovered. In 2015, the Dawn spacecraft entered orbit around Ceres and studied the dwarf planet until 2018.

(NOTE: This addon modifies the default version of Ceres)

Proposed category: Asteroids Demo Object Name: Ceres Author(s): FarGetaNik Release date: 2020-Apr-28 Link to download: 1 Ceres.zip Image:

[DaveBowman2001]

Title: Dawn Description: Dawn is a NASA spacecraft designed to study two of the three known protoplanets in the asteroid belt, Ceres and Vesta. It is the first spacecraft to orbit two extraterrestrial bodies, which is made possible by its use of ion propulsion. During its nine-year mission (2007-2018), it orbited Vesta from 2011-2012 and then orbited Ceres in 2015, which remains so to this day until its predicted crash sometime in 2044. Proposed category: Spacecraft Demo Object Name: Dawn Author(s): toutatis Release date: 2021-Jul-20 Link to download: Dawn.zip Image: Additional metadata: Dawn Mission Launch - YouTube Crazy Engineering: Ion Propulsion and the Dawn Mission - YouTube Prior to encapsulation, 2007

Launch from a Delta II, 2007-Sept-27

Flying over Tempe Terra on Mars, 2009

Size comparison of the asteroids visited by Dawn

[DaveBowman2001]

Title: Phoenix Description: Phoenix is a NASA spacecraft that landed on the northern regions of Mars in 2008. Its mission is to assess local habitability and to research the history of water on Mars. It reused the hardware meant for the cancelled Mars Surveyor 2001 mission, and fulfilled the objectives set for the failed Mars Polar Lander in 1999. Phoenix's design also became the basis for the InSight mission just ten years after the former's mission is completed Proposed category: Spacecraft Demo Object Name: Phoenix Author(s): Marco Klunder, toutatis Release date: 2019-Mar-21 Link to download: Phoenix.zip Image: Additional metadata: Delta II - Phoenix spacecraft launch - YouTube Inside the clean room before launch, 2006

Launch from a Delta II, 2007-Aug-4

Phoenix during its EDL as seen by the MRO, 2008-May-25

Vastitas Borealis, the landing site of Phoenix, 2008

[DaveBowman2001]

Title: D/1993 F2 (Shoemaker-Levy 9) Description: Comet Shoemaker-Levy 9 is a comet that broke into at least 21 fragments due to its close encounter with Jupiter in 1992. It has garnered the interest of many astronomers as it was predicted to collide with Jupiter on July 1994. It was speculated that it was a short-period comet that was captured by Jupiter's gravity sometime in the 1970s, and measured about 5 km in diameter before its 1992 break-up. The collision events contributed greatly to the knowledge that Jupiter's strong gravitational influence decreases the chances of asteroid/comet impacts to occur particularly on Earth Proposed category: Comets Demo Object Name: N/A Author(s): Art Blos, gradius_fanatic Release date: 2020-Apr-7 Link to download: D-1993 F2.zip Image: Additional metadata: NASA ScienceCasts: The Lasting Impacts of Comet Shoemaker-Levy 9 - YouTube The comet's discovery image, 1992

Comet Shoemaker-Levy 9's fragments as seen by Hubble, May 1994

A few days before first impact, Jul 1994

Infrared image of the impact taken by the Max Planck Institute, Jul 1994

Fragment W's impact as seen by Galileo, Jul 1994

The scars left in the aftermath of the impacts, Aug 1994

[DaveBowman2001]

Title: C/2020 F3 (NEOWISE) Description: C/2020 F3 (NEOWISE) is the 15th comet discovered by the NEOWISE mission. It is a long-period comet that completes its orbit once every 6,700 years. Peaking at magnitude +0.5, it is the brightest comet in the northern hemisphere since Hale-Bopp (1997) and remained visible in the naked eye throughout July 2020. Proposed category: Comets Demo Object Name: NEOWISE-15 Author(s): Art Blos Release date: 2020-Jul-21 Link to download: Comet NEOWISE.zip Additional metadata: View from the Parker Solar Probe, 2020-Jul-5

C/2020 F3 (NEOWISE) as seen from Germany, 2020-Jul-14

[levinli303]

@DaveBowman2001 I've uploaded them, but please also try to use jpgs for additional metadata. the purpose is to reduce loading time of the page.

[levinli303]

Just added support for embedding cel/celx inside add-on pages. Basically you can embed a link that run cel/celx script. For example: { select {object "Sol"} } will select Sun. will be implemented in Android/iOS in next beta.

[SevenSpheres]

Just updating existing addons

Title: Stars in the Andromeda Galaxy Description: This add-on adds 2600 stars and 214 globular clusters to the Andromeda Galaxy. These stars are real, and the data is from SIMBAD. Specifically, the coordinates and names of the stars are real, and the spectral types (if known) have been included. Proposed category: Stars Demo Object Name: M 31 Author(s): LukeCEL Release date: 2022-02-06 Link to download: andromeda.zip

Title: Stars in the Triangulum Galaxy Description: This add-on adds 3951 stars and 58 globular clusters to the Triangulum Galaxy. These stars are real, and the data is from SIMBAD. Specifically, the coordinates and names of the stars are real, and the spectral types (if known) have been included. Proposed category: Stars Demo Object Name: M 33 Author(s): LukeCEL Release date: 2022-02-06 Link to download: triangulum.zip

[SevenSpheres]

Title: Proxima Centauri Description: This addon adds fictional textures for all known objects in the Proxima Centauri system, and puts Proxima in orbit around Alpha Centauri AB. Proxima is the nearest star to the Solar System, and is orbited by three known planets - Proxima b, a terrestrial planet in the habitable zone; Proxima c, an outer mini-Neptune; and Proxima d, an inner sub-Earth. Proposed category: Exoplanets Demo Object Name: Proxima Author(s): SevenSpheres, fyr02, Gurren Lagann, LukeCEL, Runar Thorvaldsen, MrSpace43, Daly, NASA Release date: 2022-02-15 Link to download: proxima.zip Image:

[SevenSpheres]

Some thoughts:

• Why does the celestia.mobi website now say "submit your artwork" instead of "submit your addons"? This is likely to confuse people, and not all addons are artistic.
• OTS 44 and Cha 110913 are similar objects and should be in the same category. I think this category should be "Exoplanets" (where OTS 44 currently is), since they're planetary-mass and have protoplanetary disks (the latter also being why HD 163296 is in "Exoplanets"). However, @DaveBowman2001 submitted Cha 110913 to "Stars".

[levinli303]

@SevenSpheres I renamed to artwork because we are now also accepting contents other than addon. see https://github.com/levinli303/celestia.mobi/issues/9

also for updates, please include a celestia.mobi link to the existing addon, and only post fields that are updated.

[SevenSpheres]

Well, news updates definitely aren't artwork...

[levinli303]

Well, news updates definitely aren't artwork...

while the title is news, the only actual news will be release updates. the others should be not be about news, but rather contents from other people who want to promote things about/in Celestia (if there is any). you can definitely suggest a change in wording to better cover it.

[DaveBowman2001]

Update for the International Space Station addon. New cargo/crew missions added and currently active missions (as of 2022-Feb-17) are updated. Reentry date set to late January 2031

Link to download: International Space Station.zip Image:

[DaveBowman2001]

NOTE: The way @TrappistPlanets made this addon available, it was not possible to get a release date for the addon.

You can always reference the date the file was made in the Date Modified section. For example:

[levinli303]

@SpaceExplorer2008 I don't have access to the file. @DaveBowman2001 I will upload when Apple fixes its CloudKit server, I have trouble logging in to upload/update the add-ons.

Also I recently updated the web category/add-on list page to fix compatibility issue with older browsers (Chrome/Edge 87 or lower, Safari 14 or lower), should be unnoticeable if you are using a modern browser.

[SpaceExplorer2008]

Title: Minor Moons Of Pluto Description: This addon adds 3D models and textures for Pluto's four smallest moons: Hydra, Nix, Kerberos and Styx based on New Horizons spacecraft data. Proposed Category: Trans-Neptunian Objects Demo Object Name: N/A Author(s): trappistplanets Release date: 2021-07-04 Link to download: minor moons of pluto.zip Image:

[SpaceExplorer2008]

@levinli303 Try it now... I think now it will work.

@DaveBowman2001 Thanks, I managed to put the date.

[levinli303]

@SpaceExplorer2008 got it, will upload when I got access to CloudKit dashboard again.

[DaveBowman2001]

Title: Nozomi Description: Nozomi (also known as PLANET-B) was a Japanese spacecraft that failed to orbit around Mars due to a series of electrical malfunctions. Launched in 1998, it was supposed to arrive on Mars by Oct 1999, but an engine failure on its final swing-by delayed it until Dec 14, 2003. However, it only performed a flyby as the spacecraft has insufficient fuel to insert itself into a proper Martian orbit, thereby terminating the mission. A similar fate almost killed the Akatsuki mission just seven years later Proposed category: Spacecraft Demo Object Name: Nozomi Author(s): Jack Higgins Release date: 2008-Aug-12 Link to download: Nozomi.zip Image: Additional metadata: Launch from an M-V rocket, 1998-Jul-21

Nozomi's first ever image taken is that of the Earth and the Moon, 1998

The Moon as seen by Nozomi, 1998-Sept-24

[DaveBowman2001]

Title: Akatsuki Description: Akatsuki, also known as PLANET-C, is an active Japanese spacecraft currently in orbit around Venus. Launched in May 2010, it failed to insert itself into Venusian orbit on its first attempt on Dec 2010, almost ending up in a similar fate to its ill-fated Mars-bound predecessor, Nozomi. However, it was salvaged successfully by JAXA scientists and it entered orbit on its second attempt exactly five years later in Dec 2015. Proposed category: Spacecraft Demo Object Name: Akatsuki Author(s): DaveBowman2001 Release date: 2022-Feb-9 Link to download: Akatsuki.zip Image: Additional metadata: JAXA launches Venus Climate Orbiter Akatsuki on H-IIA - YouTube Launch on an H-IIA rocket, 2010-May-20

Venus in ultraviolet light as seen by Akatsuki, 2017-Jan-3

[levinli303]

@DaveBowman2001 Akatsuki will be the 101st add-on in spacecraft, thus I'll make a temporary category named "Spacecraft 2" until we find a better way to split the existing Spacecraft add-on.

[SpaceExplorer2008]

Title: Iapetus Description: This addon adds a 3D model and texture for Iapetus (Saturn's moon). Proposed Category: Planets and Moons Demo Object Name: Iapetus Author(s): trappistplanets, FarGetaNik Release date: N/A Link to download: Iapetus.zip Image:

[SpaceExplorer2008]

Title: Starlink satellite mega constellation Description: Starlink is a mega constellation of Elon Musk's satellites, with the aim of bringing high-speed internet to anywhere in the world. To date, more than 2,000 satellites of this constellation have been launched, with at least a total of 12,000 satellites planned, with the possibility of later expanding to a total of 42,000 satellites. Proposed Category: Spacecraft Demo Object Name: N/A Author(s): gironde, DaveBowman2001 Release date: N/A Link to download: Starlink.zip Image:

Additional Metadata: Shortly after launch, moments before the Starlink satellites are loose into Earth orbit.

Starlinks crossing the sky

[SevenSpheres]

Title: Iapetus Author(s): trappistplanets

Trappist did not make this, it's just taken from Celestia Origin. The credits can be found in Origin's readme file.

[SpaceExplorer2008]

@SevenSpheres I found this addon here: https://celestia.space/forum/viewtopic.php?f=23&t=20343&p=154539#p154539

It's from trappistplanets. He modified the textures from FarGetaNik's Echoes project. It's an addon that includes all of Saturn's big moons, so I modified it to post here on GitHub just Iapetus. In Celestia Mobile, Iapetus is only shown a sphere, but in the trappistplanets addon a 3D model of Iapetus is added showing the surface deformities. Apparently it has nothing to do with Celestia Origin but with yes the Echoes project. In addition to trappistplanets, I think I should also credit FarGetaNik. I will modify my post it to include credits for FarGetaNik.

[SpaceExplorer2008]

Title: Helios 1 & 2 Description: Helios 1 and 2 were the twin spacecraft sent by NASA and the German Aerospace Center (DLR) to study the Sun in multiple close flybys between 1974 and 1976. Helios 1 was operational from 1974-1986, while Helios 2 did so from 1976-1980. They were the closest artificial objects to approach our star until the Parker Solar Probe became operational in 2018. Proposed Category: Spacecraft Demo Object Name: N/A Author(s): DaveBowman2001, Jack Higgins Release date: 2022-01-31 Link to download: Helios 1 & 2.zip Image:

Additional Metadata: Helios in testing Helios 1 launch, 1974

Helios 2 launch, 1976

[SevenSpheres]

@SevenSpheres I found this addon here: https://celestia.space/forum/viewtopic.php?f=23&t=20343&p=154539#p154539

It's from trappistplanets. He modified the textures from FarGetaNik's Echoes project. It's an addon that includes all of Saturn's big moons, so I modified it to post here on GitHub just Iapetus. In Celestia Mobile, Iapetus is only shown a sphere, but in the trappistplanets addon a 3D model of Iapetus is added showing the surface deformities. Apparently it has nothing to do with Celestia Origin but with yes the Echoes project. In addition to trappistplanets, I think I should also credit FarGetaNik. I will modify my post it to include credits for FarGetaNik.

In either case, the Iapetus model is by John Van Vliet, as stated in the readme files for both projects (Origin and Echoes).

[SpaceExplorer2008]

Title: Iapetus Description: This addon adds a 3D model and texture for Iapetus (Saturn's moon). Proposed Category: Planets and Moons Demo Object Name: Iapetus Author(s): trappistplanets, FarGetaNik, John Van Vliet Release date: N/A Link to download: Iapetus.zip Image:

[SpaceExplorer2008]

Updated addon credits

[SevenSpheres]

TRAPPIST-1 addon updated: Modify now used instead of Replace; 2K texture option added in response to crash reports; improved image and description.

Description: This addon adds fictional textures for the planets orbiting the ultracool dwarf star TRAPPIST-1 to Celestia. All seven planets are similar in size and mass to Earth, and three or four orbit within the habitable zone. The system is a target for atmospheric spectroscopy by the James Webb Space Telescope. Textures are from the 2018 NASA artist's impression, and can be set to 2K, 4K, or 8K resolution depending on your device's capabilities. Release date: 2022-02-17 Link to download: TRAPPIST-1.zip Image: