Celestia Forums

Posted: **26.06.2008, 00:20**

http://newswire.rockefeller.edu/?page=engine&id=777

http://news.yahoo.com/s/afp/20080624/sc ... reecehomer

Ephemeris Type [change] : VECTORS
Target Body [change] : 399 & 301
Coordinate Origin [change] : Sun (body center) [500@10]
Time Span [change] : Start=BC 1178-04-15 00:00, Stop=BC 1178-04-18 00:00, Step=1 h
Table Settings [change] : output units=KM-S; quantities code=2
Display/Output [change] : default (formatted HTML)

Code: Select all

"EARTH2" "Sol"
{
    #Radius 0.011  #2.2 m?tre
   SemiAxes [ 6378.136 6371.01 6356.752 ]

    SampledTrajectory { Source "test.xyzv" }
}

"MOON2" "Sol"
{
   Class "moon"
    Radius 1737.53
   
    SampledTrajectory { Source "test2.xyzv" }
}

Posted: **12.07.2008, 22:56**

celestia.cfg
SolarSystemCatalogs [ "extras/test/spice2.ssc" ]

--------------------------------------------------
spice2.ssc

Code: Select all

"EARTH2" "Sol"
{
   Texture "earth.*"
   NightTexture "earthnight.*"
   
   SpecularTexture "earth-spec.*"
   Color [ 0.85 0.85 1.0 ]
   SpecularColor [ 0.8 0.8 0.85 ]
   SpecularPower 25.0
   HazeColor [ 1 1 1 ]
   HazeDensity 0.3
   Radius 6378.136  # equatorial
   #SemiAxes [ 6378.136 6371.01 6356.752 ]
   # Oblateness 0.0034

   Atmosphere {
      Height 60
      Lower [ 0.43 0.52 0.65 ]
      Upper [ 0.26 0.47 0.84 ]
      Sky [ 0.40 0.6 1.0 ]
      Sunset [ 1.0 0.6 0.2 ]
      CloudHeight 7
      CloudSpeed 65
      CloudMap "earth-clouds.*"

      Mie 0.001
      MieAsymmetry -0.25
      Rayleigh [ 0.001 0.0025 0.006 ]
      MieScaleHeight 12
   }
   
          SpiceRotation
    {
        Kernel              "naif0009.tls"
        Frame               "IAU_EARTH"
        BaseFrame           "eclipj2000"
        Period              23.9344694
    }

   Albedo            0.30

    SampledTrajectory { Source "test.xyzv" }  
}

"MOON2" "Sol/EARTH2"
{
   Texture "moon.*"
   BumpMap "moonbump.*"
   BumpHeight 3.5
   Radius   1737.53
   # Oblateness 0.002
   
       SpiceRotation
    {
        Kernel              "naif0009.tls"
        Frame               "IAU_MOON"
        BaseFrame           "eclipj2000"
        Period 27.321661
    }
   
   SampledTrajectory { Source "test2.xyzv" }
}

BC -1177 avril 16 18h02min46,8 TD = 10H06min16.8 UT

:!:

eclispe

Posted: **15.07.2008, 19:16**

de406.bsp => BC -3000 & AC 3000 ( 300Mo dur disque )

ftp://ssd.jpl.nasa.gov/pub/eph/planets/bsp

Code: Select all

    SpiceOrbit
    {
     Kernel "de406.bsp"
     Target "399" 
     Origin "10"  
    BoundingRadius 1
     Period 1  
    }
---------------------------------

   SpiceOrbit {
     Kernel "de406.bsp"
     Target "301" 
     Origin "399"
    BoundingRadius 1
     Period 27.321661
    }

update

Celestia Forums

eclipse B.C -1178/04/16 (-1177/04/16)

eclipse B.C -1178/04/16 (-1177/04/16)

Re: eclipse B.C -1178/04/16 (-1177/04/16)

Re: eclipse B.C -1178/04/16 (-1177/04/16)