def test_ephem_566_K91_Dec2015(self):
    
        site = 'K91'
        ephem_start = datetime(2015, 12, 10, 18, 0, 0)
        ephem_end = datetime(2015, 12, 11, 2, 0, 0)
    
        expected = [['2015 12 10 18:00', '21 11 39.20', '-12 34 06.3', '18.8', '15.0', ' 0.89', '+38', '0.01', ' 66', '-15', '+043', '+03:27']]

        emp = call_compute_ephem(self.elements, ephem_start, ephem_end, site, self.ephem_step, self.alt_limit)


        self.assertEqual(expected, emp)
    def test_ephem_566_K91_Oct2015(self):
    
        site = 'K91'
        ephem_start = datetime(2015, 10, 10, 18, 0, 0)
        ephem_end = datetime(2015, 10, 11, 2, 0, 0)
    
        expected = [['2015 10 10 18:00', '20 06 38.62', '-16 32 38.9', '21.5', '14.5', ' 0.33', '+72', '0.05', '128', '-40', '+085', '+00:31'],
                    ['2015 10 10 19:00', '20 06 39.98', '-16 32 34.8', '21.5', '14.5', ' 0.33', '+63', '0.04', '127', '-50', '+080', '+01:31'],
                    ['2015 10 10 20:00', '20 06 41.35', '-16 32 30.6', '21.5', '14.5', ' 0.34', '+52', '0.04', '126', '-57', '+070', '+02:32'],
                    ['2015 10 10 21:00', '20 06 42.72', '-16 32 26.3', '21.5', '14.5', ' 0.34', '+39', '0.04', '126', '-59', '+059', '+03:32'],
                   ]

        emp = call_compute_ephem(self.elements, ephem_start, ephem_end, site, self.ephem_step, self.alt_limit)

        self.assertEqual(len(expected), len(emp))
        i = 0
        while i < len(expected):
            self.assertEqual(expected[i], emp[i])
            i+=1