public void XTest(double jd, double expectedResult)
        {
            double result = AASVSOP87A_Venus.X(jd);

            Assert.Equal(expectedResult, result);
        }
        public void ZDashTest(double jd, double expectedResult)
        {
            double result = AASVSOP87A_Venus.Z_DASH(jd);

            Assert.Equal(expectedResult, result);
        }