public void TruePerigeeTest(double k, double expectedTruePerigee)
        {
            double moonPerigee = AASMoonPerigeeApogee.TruePerigee(k);

            Assert.Equal(expectedTruePerigee, moonPerigee);
        }
        public void PerigeeParallaxTest(double k, double expectedPerigeeParallax)
        {
            double moonPerigeeParallax = AASMoonPerigeeApogee.PerigeeParallax(k);

            Assert.Equal(expectedPerigeeParallax, moonPerigeeParallax);
        }
        public void KTest(double year, double expectedK)
        {
            double moonK = AASMoonPerigeeApogee.K(year);

            Assert.Equal(expectedK, moonK);
        }