Spacecrafts for Celestia

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Eric Nelson
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Post #1661by Eric Nelson » 05.08.2021, 20:18

trappistplanets wrote:what about triton though
it orbit drifted a lot even though the nearest neighboring moons are asteroids, nearest objects are kuiper belt objects smaller than triton
and the nearest planet is uranus but its very far away
Yes and many bodies go through gradual changes in their paths from gravitational interactions.
Yet Neptune has a lot of moons and some are fairly large meaning fairly massive, but a lot of those combine the gravitational effects along with resonances.
Yet Triton (its largest moon) is stated to be a captured Kuiper Belt object caught in Neptune's gravitational pull.

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gironde M
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Post #1662by gironde » 06.08.2021, 10:53

Here is the continuation of the FLOCK satellite launches
2K 3K 3M 3P 3P '3R 3S 4A 4E' 4P 4V

Flock.jpg


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toutatis
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Post #1663by toutatis » 07.08.2021, 01:06

InSight (Lander)... model by NASA... with normal maps... edited by me...
InSight (cruise stage) soon...
Attachments
InSight (Lander).7z
(12.05 MiB) Downloaded 38 times
capture-20210806-222743.jpg
capture-20210806-223242.jpg
capture-20210806-223444.jpg
capture-20210807-065357.jpg

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toutatis
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Post #1664by toutatis » 07.08.2021, 16:34

InSight (Orbiter)... model by NASA... modernized, edited... with normal maps...
Attachments
InSight (Orbiter).7z
(5.13 MiB) Downloaded 40 times
capture-20210807-201847.jpg
capture-20210807-201712.jpg
capture-20210807-202334.jpg
capture-20210807-214028.jpg

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toutatis
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Post #1665by toutatis » 08.08.2021, 16:23

Deep Space Network 70 Meter Antenna (DSN 70)... model by NASA... model and textures only...
Attachments
DSN 70.7z
(3.35 MiB) Downloaded 30 times
capture-20210808-215833.jpg
capture-20210808-220009.jpg
capture-20210808-220247.jpg

Eric Nelson
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Post #1666by Eric Nelson » 08.08.2021, 16:30

Since the SSC file isn't included, it's useless.

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toutatis
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Post #1667by toutatis » 08.08.2021, 17:43

Since the SSC file isn't included, it's useless.
...

maybe for you only... learn to create SSC-files...

anyway no one force you to download files that you can't use...
Last edited by toutatis on 08.08.2021, 17:59, edited 1 time in total.

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toutatis
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Post #1668by toutatis » 08.08.2021, 17:56

Deep Space Network 34 Meter Antenna (DSN 34)...
Attachments
DSN 34.7z
(5.1 MiB) Downloaded 32 times
capture-20210808-233157.jpg
capture-20210808-233337.jpg
capture-20210808-233428.jpg

Eric Nelson
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Post #1669by Eric Nelson » 08.08.2021, 18:39

Creating a surface object is more complicated than people realize.
It takes not only exact location, but also exact orientation of the model and these kinds of addons are pretty rare as far as I know.
The Deep Space Network is a worldwide constellation of radio telescopes including those in the United States, Spain and Australia.
It can take as long as possible for accurate SSC files of these to be made but its better than making one with bad parameters.

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Gurren Lagann
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Post #1670by Gurren Lagann » 08.08.2021, 18:46

Eric Nelson wrote:Creating a surface object is more complicated than people realize.
Just use calculators...
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toutatis
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Post #1671by toutatis » 09.08.2021, 16:39

New Horizons... edited... with normal map...
Attachments
New Horizons.7z
(4.93 MiB) Downloaded 32 times
capture-20210809-221522.jpg
capture-20210809-221656.jpg
capture-20210809-222341.png
capture-20210809-222443.jpg

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trappistplanets
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Post #1672by trappistplanets » 09.08.2021, 18:36

toutatis wrote:New Horizons... edited... with normal map...
does this fix the terjectory file?
in my celestia the probes (using the ones from CO) fly past pluto at the wrong time so the wrong side of pluto faces the probe during closes approach
i am using project echoes code for most of the orbital and rotational codes for the solar system and the TNOs

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Art Blos M
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Post #1673by Art Blos » 10.08.2021, 06:42

trappistplanets wrote:does this fix the terjectory file?
in my celestia the probes (using the ones from CO) fly past pluto at the wrong time so the wrong side of pluto faces the probe during closes approach
Our trajectory is correct. Please provide a screenshot.
Founder and head of the project "Celestia Origin"

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trappistplanets
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Post #1674by trappistplanets » 10.08.2021, 11:54

Art Blos wrote:Our trajectory is correct. Please provide a screenshot.
well, the probe flies past pluto at the correct time

(right face not showing is a texture offset problem, witch i can fix)

but the probe does not get close enough to pluto as the real flyby did
Untitled.jpg

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Art Blos M
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Post #1675by Art Blos » 10.08.2021, 12:46

trappistplanets wrote:well, the probe flies past pluto at the correct time
Our simulation is correct. The problem is somewhere in your files.
New Horizons CO v.13.png

trappistplanets wrote:but the probe does not get close enough to pluto as the real flyby did
Distance is correct in both screenshots. This is the view with the naked eye without the use of zoom.
Founder and head of the project "Celestia Origin"

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DaveBowman2001
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Soviet Space Program, 1973-2001

Post #1676by DaveBowman2001 » 11.08.2021, 14:39

After the Soviet Union lost the 1960s Moon Race, its manned space program shifted its focus on long-term habitation of space aboard orbiting laboratories. This began under the civilian Salyut programme, and its military counterpart Almaz, which were a series of nine space stations (including 3 failed ones) from 1971 to 1986. It was succeeded by Mir, which operated from 1986 to 2001. The valuable experience gathered by these programs, and the subsequent international collaboration that began in 1978 have enabled the creation of the International Space Station in 1993 (with the first module launched in 1998)

This addon supersedes my previous uploads, Salyut 3-4-5 and Evolution of Mir under one installation, and therefore they are now obsolete. Just like my previous Mir addon, the shuttle orbiters by bh are also included in the package (Atlantis carrying Spacelab, Endeavour, Discovery with payload) to simplify installation.


MISSIONS SUMMARY:
(It covers every mission related to the manned space program of the Soviet Union in a time span of 28 years, from the launch of Salyut 2 in 1973 until the deorbiting of Mir in 2001)

- 5 Salyut (DOS) stations (including Mir's Core Module)
- 5 Almaz stations (including 2 repurposed as unmanned satellites)
- 79 Soyuz missions
- 89 Progress missions
- 10 Shuttle-Mir missions (including STS-63)
- 4 TKS missions


WHAT'S NEW?
- Soyuz T-15 is finally simulated. As such, Mir and Salyut 7 now virtually share the same orbital plane

- Mir's solar arrays are shortened to allow the shuttles "dock" properly to the station without hitting it

- The Soyuz TM visiting Mir are rotated 45 degrees just like this image of Soyuz TM-24

- Three versions of the TKS spacecraft are included to represent the appearances they arrived on Salyut 6 and Salyut 7

- Models of Salyut 4 and Almaz (Salyut 2, 3, 5) were updated, with the solar arrays of Almaz now match this published rendering

- The hull of Salyut 7 is now less reflective, and its solar arrays now change in time to simulate the addition of small pairs of extension panels during four EVAs from 1983 to 1985

- Made the first-generation variant of the Progress spacecraft (7K-TG) based on gironde's Progress-M addon

- The expansion modules of Mir can now be selected individually

- A dedicated model to Almaz-T, the robotic Earth observation satellite version of the Almaz space station in the 1980s, is included

- All space stations are resized to match the size and scale relative to the Zvezda module of the ISS

- Archival Celestrak TLE data applied to all space stations



HOW TO INSTALL:
(The overall installation is similar to the predecessors of this addon)


- Download first linuxman's Salyut 6 addon. This will serve as the main folder and the source for Soyuz 7K-T missions (12 to 40), as well as Soyuz T missions (Cosmos 1001 to T-15)

- For missions to Mir, download Endeavor35's Soyuz and Progress addons

- Merge the contents of this addon along with the two addons by Endeavor35 onto "Saliout6-Soyouz" folder

- Allow "Saliout.ssc" and "Soyouz.ssc" to be overwritten by the SSCs included in this addon



EXTRA TIPS:
- To view every spacecraft in this addon without manually changing time, download the Spacecraft Goto script by Jan Stegehuis

- You can also download Salyut 1 by linuxman to complete the Salyut series of space stations.



LIMITATIONS:
- The closest distance between Salyut 7 and Mir is ~30 km. This didn't occur in real life, but this is a rather fun coincidence anyway due to the limitations of purely SSC-defined orbits (first "close encounter" is on 23 Feb 1986)

- Shuttle payloads for all STS missions (except STS-71) are fictional

- Inter-orbit phases of Soyuz T-15 aren't simulated



Credits to the original author of Mir, Jack Higgins (Salyut 7), linuxman (Salyut 6, Soyuz 7K-T, Soyuz T), bh (shuttle orbiters), Endeavor35 (Soyuz TM, Progress-M), and gironde (Progress 7K-TG) for creating spacecraft that made this addon possible

Soviet Space Program (1973-2001).zip
(12.07 MiB) Downloaded 26 times
Attachments
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A 2nd-generation (civilian) Salyut station, 1973-1977
Untitled.png
Two versions of Almaz, 1973-1992
Untitled.png
Progress 7K-TG, 1978-1990
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Salyut 7 in various stages, 1982-1991
Untitled.png
TKS spacecraft, 1977-1991
Untitled.png
Mir in various stages, 1986-2001
Last edited by DaveBowman2001 on 12.08.2021, 21:31, edited 1 time in total.
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DaveBowman2001
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Boeing X-37B

Post #1677by DaveBowman2001 » 12.08.2021, 11:56

The X-37B is a small robotic spaceplane operated by the US Air Force Space Command (AFSPC), and later the US Space Force intended for flying classified military missions. A total of two spaceplanes were built by Boeing, completing five missions and one currently active mission since 2010. It is launched vertically by either an Atlas V or a Falcon 9 rocket, and land horizontally on a runway on Vandenberg AFB or Kennedy Space Center. Each mission can last from many months to a couple of years, with the longest one to date (OTV-5) lasting for 780 days. Not much information is known about this spacecraft, or what specifically it does while in Low Earth Orbit

Each flight's orbit rendered in this addon are semi-fictional, which are based on available values posted on Wikipedia


MISSIONS SUMMARY (as of 12 Aug 2021):

USA-212 (Boeing OTV-1)
226 days, 2010
- X-37B (No. 1), Flight 1
- Mission unknown
- First autonomous runway landing of a spacecraft since Buran in 1988

USA-226 (Boeing OTV-2)
468 days, 2011-2012
- X-37B (No. 2), Flight 1
- Mission unknown

USA-240 (Boeing OTV-3)
674 days, 2012-2014
- X-37B (No. 1), Flight 2
- Mission unknown
- First reflight of a flown X-37B spaceplane (from OTV-1)

USA-261 (Boeing OTV-4/AFSPC-5)
717 days, 2015-2019
- X-37B (No. 2), Flight 2
- Tested Aerojet's XR-5A ion engine in orbit

USA-277 (Boeing OTV-5)
780 days, 2017-2019
- X-37B (No. 2), Flight 3
- Carried the ASETS-II experiment for the USAF
- Deployed three cubesats covertly

USA-299 (Boeing OTV-6/USSF-7)
Ongoing, 2020-Present
- X-37B (No. 1), Flight 3
- Carried three experiments (two were owned by NASA)
- Launched with the FalconSAT-8 satellite
Attachments
X-37B.zip
(1.24 MiB) Downloaded 32 times
Untitled.png
Last edited by DaveBowman2001 on 15.08.2021, 14:09, edited 1 time in total.
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DaveBowman2001
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Syncom-IV/Leasat

Post #1678by DaveBowman2001 » 15.08.2021, 13:51

The Leased Satellite (Leasat) program, also known as Syncom-IV, were the first satellites designed to be specifically launched by a Space Shuttle. Weighing 3.4 tons and measuring 6.17 m when fully deployed, these satellites provided communications for the US military and its allies during the later years of the Cold War.

Designated internally as HS-381 satellites, a total of four were built (with an additional spare) by Hughes Communications, each one launching from 1984 to 1990. All satellites were decommissioned into their respective graveyard orbits since 2015

MISSIONS SUMMARY:

Syncom IV-2/Leasat 2
1984-1996
- STS-41-D (Discovery)
- Launched during the maiden flight of Space Shuttle Discovery

Syncom IV-1/Leasat 1
1984-1994
- STS-51-A (Discovery)
- Launched during the satellite retrieval of Palapa-B2 and Westar 6

Syncom IV-3/Leasat 3
1985-1996
- STS-51-D (Discovery)
- Initially stranded in LEO for 4 months before being salvaged by a subsequent Shuttle mission

Syncom IV-4/Leasat 4
1985
- STS-51-I (Discovery)
- Launched during the rescue of Leasat 3
- Declared lost just 40 hours after launch, temporarily reactivated a month later

Syncom IV-5/Leasat 5
1990-2015
- STS-32 (Columbia)
- Only Leasat launched from Space Shuttle Columbia
- Launched during the satellite retrieval of LDEF
- Longest operational mission of the satellite series (25 years)
Attachments
Leasat.zip
(204.51 KiB) Downloaded 34 times
Untitled.png
Leasat.gif
GIF timelapse of a Leasat satellite rotating in GEO
Untitled.png
The Syncom-IV/Leasat fleet as of 1993-Aug-21
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Sirius_Alpha
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Post #1679by Sirius_Alpha » 17.08.2021, 18:01

I have completed the model for the Shenzhou spacecraft as part of the Tiangong Space Station addon. However this release is not part of that project. I'm releasing the Shenzhou mesh here as a unitary stand-alone addon for people's various interests/needs. The mesh was modelled after Shenzhou 12, however it may still be a reasonably good approximation for iterations after Shenzhou 7.

Shenzhou_Model.jpg
Attachments
Shenzhou.zip
(759.31 KiB) Downloaded 36 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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DaveBowman2001
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Post #1680by DaveBowman2001 » 18.08.2021, 08:08

These are the SSC files that uses Sirius_Alpha's wonderful Shenzhou and Tianzhou addons to depict missions to Tiangong 1 and Tiangong 2 from 2011 to 2017. My previous upload of the Shenzhou missions covering this time period is now obsolete


Merge the contents of Tianzhou and Shenzhou addons by Sirius_Alpha into one folder first before placing these SSC files onto Celestia in order for it to work
Attachments
Tiangong 1 and 2 (SSC updates).zip
(1.62 KiB) Downloaded 27 times
unknown.png
Untitled.png
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