%principia_gravity_model
{
 %body
 {
    name                    = Kerbin
    //gravitational_parameter = 3.9860043543609598e+05 km^3/s^2
    reference_instant       = 2451545.0000000000000000
    mean_radius             = 1920 km
    axis_right_ascension    = 66.6 deg
    axis_declination        = 90.0 deg
    reference_angle         = 190.147 deg
    angular_frequency       = 360 deg / d
    //j2                      = 0
    //reference_radius        = 1920 km
  }
}