interpolatior step 3 times reduced

utils/interpolate.cpp

@@ -28,7 +28,7 @@ static double get_step(const SInitOrbit& orbit)
 {
     const double period = orbit.GetKeplerData().GetPeriod() * 1000 / 60;
     const double ecc = orbit.GetKeplerData().GetEccentricity();
-    return get_step(period, ecc);
+    return get_step(period, ecc) / 3;
 }
 
 XInterpolator::XInterpolator() = default;
@@ -198,7 +198,7 @@ Vect6 XInterpolator::get_pos(const TimeJD& date, const bool tks) const
     if (ircode != 0) {
         throw Exp() << "interpolation fail\n";
     }
-    
+
     if (!tks) {
         return {
             outvec[0],