venus.txt

一个关于星球运动的Java3d例子

name=金星
orbitdata=venus.orbit.txt
orbitperiod=224.695434
texture=images/venus.jpg
radius=6051.8
radiusscale=2000
orbitcolor=0.67578125,0.359375,0.359375
#EOF
 GEOPHYSICAL DATA:
  Mean radius (km)      =   6051.8(4+-1)  Density (g cm^-3)     =  5.204
  Mass (10^23 kg )      =     48.685      Flattening, f         =
  Volume (x10^10 km^3)  =     92.843      Semi-major axis       =
  Sidereal rot. period  =   -243.0185 d   Rot. Rate (x10^5 s)   = -0.029924
  Mean solar day        =    116.7490 d   Polar gravity ms^-2   =
  Mom. of Inertia       =      0.33       Equ. gravity  ms^-2   =  8.870
  Core radius (km)      =  ~3200          Potential Love # k2   = ~0.25

  Grav spectral fact u  =      1.5        Topo. spectral fact t =  23
  Fig. offset (Rcf-Rcm) =      0.19+-01   Offset (lat./long.)   = 11/102 dg/dg
  GM (km^3 s^-2)        = 324858.63       Equatorial Radius, Re = 6051.893 km
  GM 1-sigma (km^3 s^-2)=    +-0.04       Mass ratio (sun/Mars) = 408523.61

  Atmos. pressure (bar) =    90           Max. angular diam.    =   60.2"
  Mean Temperature (K)  =  735            Visual mag. V(1,0)    =   -4.40
  Geometric albedo      =    0.65         Obliquity to orbit    =  177.3 deg
  Sidereal orb. per.    =    0.6151826 y  Orbit vel.  km/s      =   35.0214
  Sidereal orb. per.    =  224.695434  d  Escape vel. km/s      =   10.361