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 Revised: April 12, 2021                Venus                           299 / 2
 
 PHYSICAL DATA (updated 2020-Oct-19):
  Vol. Mean Radius (km) =  6051.84+-0.01 Density (g/cm^3)      =  5.204
  Mass x10^23 (kg)      =    48.685      Volume (x10^10 km^3)  = 92.843
  Sidereal rot. period  =   243.018484 d Sid. Rot. Rate (rad/s)= -0.00000029924
  Mean solar day        =   116.7490 d   Equ. gravity  m/s^2   =  8.870
  Mom. of Inertia       =     0.33       Core radius (km)      = ~3200
  Geometric Albedo      =     0.65       Potential Love # k2   = ~0.25
  GM (km^3/s^2)         = 324858.592     Equatorial Radius, Re = 6051.893 km
  GM 1-sigma (km^3/s^2) =    +-0.006     Mass ratio (Sun/Venus)= 408523.72
  Atmos. pressure (bar) =  90            Max. angular diam.    =   60.2"
  Mean Temperature (K)  = 735            Visual mag. V(1,0)    =   -4.40
  Obliquity to orbit    = 177.3 deg      Hill's sphere rad.,Rp =  167.1
  Sidereal orb. per., y =   0.61519726   Orbit speed, km/s     =   35.021
  Sidereal orb. per., d = 224.70079922   Escape speed, km/s    =   10.361
                                 Perihelion  Aphelion    Mean
  Solar Constant (W/m^2)         2759         2614       2650
  Maximum Planetary IR (W/m^2)    153         153         153
  Minimum Planetary IR (W/m^2)    153         153         153
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!$$SOF
COMMAND = '299'
START_TIME = '2005-11-4'
STOP_TIME = '2007-6-90'
STEP_SIZE = '1 day'
QUANTITIES = '31'