public void PassageThroNodeTest(double k, double expectedJD)
        {
            double moonJd = AASMoonNodes.PassageThroNode(k);

            Assert.Equal(expectedJD, moonJd);
        }
        public void KTest(double year, double expectedK)
        {
            double k = AASMoonNodes.K(year);

            Assert.Equal(expectedK, k);
        }