USSR Probes on Venus

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BobHegwood
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Re: USSR Probes on Venus

Post #21by BobHegwood » 13.06.2008, 04:07

Cham wrote:Bob,

thanks a lot for the PDF document !

Landing on Venus: Past and future
A.T. Basilevsky, M.A. Ivanov, J.W. Head, M. Aittola, J. Raitala

This PDF document is very precise, and the match is perfect with the coordinates I used. It confirms the locations of most probes in my SSC file 8)

My pleasure Martin. I'm glad I managed to help in some small way. Thanks also for the zip file. I really enjoy having these locations identified on our known Solar System objects. Makes the exploration of our Universe quite a bit more interesting, so thanks again for all of your work here. Much appreciated my friend. :wink:
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BobHegwood
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Re: USSR Probes on Venus

Post #22by BobHegwood » 13.06.2008, 13:09

One other bit of advice here Martin...

Your models directory is named "mesh" in the file I downloaded. You need to rename this to "models" in order to display the 3ds meshes properly within Celestia. Just FYI... :wink:
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Cham M
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Re: USSR Probes on Venus

Post #23by Cham » 13.06.2008, 14:10

BobHegwood wrote:Your models directory is named "mesh" in the file I downloaded. You need to rename this to "models"

Ooops ! :oops:
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LordFerret M
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Re: USSR Probes on Venus

Post #24by LordFerret » 13.06.2008, 17:26

Don't know if this helps any, but this site shows landing sites (USA, USSR, ESA). You can also turn on the lon/lat grid overlays and zoom in.
http://jules.unavco.org/

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Cham M
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Re: USSR Probes on Venus

Post #25by Cham » 13.06.2008, 17:46

Thanks LordFerret.

This web site is very slow.

I may add the Mars Polar Lander "probable" crash site.
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LordFerret M
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Re: USSR Probes on Venus

Post #26by LordFerret » 13.06.2008, 19:00

Yes, the site is a little slow. But if you allow the Java applet to load you can zoom in on each of the probe sites with lon/lat on and get their locations (hh:mm:ss). The only thing missing are cited references where those locations datas come from. :(

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Cham M
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Re: USSR Probes on Venus

Post #27by Cham » 13.06.2008, 19:04

I'm comparing the coordinates found in several independant sources (NASA, ESA, etc). In most cases, they agree with some small variations. There are some uncertainties on the coordinates of all the "old" probe locations.
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Cham M
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Re: USSR Probes on Venus

Post #28by Cham » 13.06.2008, 19:14

And here is the SSC code for the US Pioneer Venus probes. We now have a complete location set for all the Venus probes so far.

Code: Select all

# The Pioneer mission to Venus consisted of two components,
# launched separately: an Orbiter and a Multiprobe.

"Pioneer V Large-P Impact" "Sol/Venus"
{
        Class "spacecraft"
        Mesh "crash.3ds"
   Beginning "1978 11 16"
        Radius 0.0008  # Approximate

   LongLat [59.3 -4.4 0.001]
   Orientation [-4.4 1 0 0]
   RotationOffset 106.75
        Albedo 0

   InfoURL "http://en.wikipedia.org/wiki/Pioneer_Venus_project"
}

"Pioneer V North-P Impact" "Sol/Venus"
{
        Class "spacecraft"
        Mesh "crash.3ds"
   Beginning "1978 11 20"
        Radius 0.0004

   LongLat [-4.8 -53.9 0.001]
   Orientation [-53.9 1 0 0]
   RotationOffset 42.65
        Albedo 0

   InfoURL "http://en.wikipedia.org/wiki/Pioneer_Venus_project"
}

"Pioneer V Day-P Impact" "Sol/Venus"
{
        Class "spacecraft"
        Mesh "crash.3ds"
   Beginning "1978 11 20"
        Radius 0.0004

   LongLat [-317.0 31.3 0.001]
   Orientation [31.3 1 0 0]
   RotationOffset -269.55
        Albedo 0

   InfoURL "http://en.wikipedia.org/wiki/Pioneer_Venus_project"
}

"Pioneer V Night-P Impact" "Sol/Venus"
{
        Class "spacecraft"
        Mesh "crash.3ds"
   Beginning "1978 11 20"
        Radius 0.0004

   LongLat [-56.7 28.7 0.001]
   Orientation [28.7 1 0 0]
   RotationOffset -9.25
        Albedo 0

   InfoURL "http://en.wikipedia.org/wiki/Pioneer_Venus_project"
}
"Well! I've often seen a cat without a grin", thought Alice; "but a grin without a cat! It's the most curious thing I ever saw in all my life!"

BobHegwood
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Re: USSR Probes on Venus

Post #29by BobHegwood » 13.06.2008, 23:02

Cham wrote:And here is the SSC code for the US Pioneer Venus probes. We now have a complete location set for all the Venus probes so far.

Again, thanks very much Martin. Do you not have a life either? :D
All kidding aside, however, it is simply really amazing to me how much JUNK we have already left all over the Solar System. Wonder what the place is going to look like in two hundred years? :wink:
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