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 Post subject: #2) Mercury
PostPosted: Tue, 03-01-17, 1:15 GMT 
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Joined: Tue, 04-09-07, 21:55 GMT
Posts: 754
Location: N 42.38846 W 83.45456
--- Edit on 1-2-17
combined Mercury,Venus,Earth,Mars into one file


[/b]
-- google docs
https://drive.google.com/file/d/0B6ZYAd ... sp=sharing

MD5 b90dd5d94b55e7f57a129f6b1f309450
SHA1 d44d71ce5beb17bf92464a702eeee1f22f09b6ec
SHA256 f1b551574b889441c0fee398a51a3ced4b7176bd44627be2f2eb694f65e75f15

Mercury
( the below code is out of date and only an example
Code:
 Replace "Mercury" "Sol"
 {
   Texture "Mercury.7.08.ctx"
   Radius 2440

   Timeline
   [
   # Before SPICE
   {

     BodyFrame { EquatorJ2000 { Center "Sol" } }
     Ending   "1550 02 27 00:00:00.000"  # add 2 months for orbit drawing
     CustomOrbit "vsop87-mercury"
     CustomRotation "iau-mercury"
   }
   # Spice
   {
     OrbitFrame { EclipticJ2000  { Center "Sol/Mercury_bary" }}
     BodyFrame  { EclipticJ2000 { Center "Sol"              }}
     Ending     "2649 11 25 00:00:00.000"  # less 2 month for orbit drawing


     SpiceOrbit
     {
       Kernel  "de430.bsp"
       Target  "199"
       Origin  "1"
       Period   0.2441  # earth years
       BoundingRadius 1e10
     }

     #CustomRotation "iau-mercury"
     SpiceRotation
     {
       Kernel    [ "pck00010.tpc"  "naif0011.tls"  ]
       Frame     "IAU_MERCURY"
     }
     }
     # After SPICE
     {
       BodyFrame { EquatorJ2000 { Center "Sol" } }
       CustomOrbit "vsop87-mercury"
       CustomRotation "iau-mercury"
     }
   ]
   Albedo            0.06
   }
   
   


You already download the rotational model and leap second files from this thread
viewtopic.php?f=18&t=554

-- de430.bsp --
ftp://naif.jpl.nasa.gov/pub/naif/generi ... k/planets/
-- pck00010.tpc --
ftp://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/
-- naif0011.tls --
ftp://naif.jpl.nasa.gov/pub/naif/generic_kernels/lsk/



the barycenter ssc is needed BEFORE planets can be added
viewtopic.php?f=18&t=551

you will notice that i am using the default celestia orbit and rotational model for the BEFORE and AFTER "spice"
for the planets it is almost spot on you might notice a small shift or turn but not much
the real BIG changes are with the moons ( but not "The Moon" )

PS.
a note of WARNING!!!!!!!
the times for "Ending " for the pre and spice sections
the pre spice has 2 months added for the orbit drawing and the post sipce is less 2 months
BE VERY CAREFUL on the days and months , not every month has 31 days
there is 28/29 , 30 ,and 31
if you list too many days you WILL get an error
Feb 31 will give you an error


WARNING - for Linux and maybe Apple users ( Apple is an unknown at this time )
this file needs to be part of a single "SolarSystem.SPICE.ssc file
the c-Language read order is in affect on these Operating Systems


Last bumped by John Van Vliet on Tue, 03-01-17, 1:15 GMT.


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