| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:40 |
| WDS: | COU2459AB | WDS ID/Discoverer |
| P: | 633.600 | Orbital period (years) |
| a: | 1.833 | Semi-major axis (arcseconds) |
| i: | 120.9 | Inclination (degrees) |
| Ω: | 95.9 | Longitude of ascending node (degrees) |
| T: | 2586.000 | Epoch of periastron passage (year) |
| e: | 0.445 | Eccentricity |
| ω: | 223.6 | Longitude of periastron (degrees) |
| Start-Year: | 1709.0 | Year |
| End-Year: | 2341.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042432.79+505042.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04245+5051 | WDS designation |
| Discoverer Code: | COU2459AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 27673 | HD catalog number |
| Hipparcos number: | 20586 | Hipparcos catalog number |
| V1: | 7.05 | Magnitude of the primary |
| V2: | 10.19 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2016 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.167 123.7 ------------------------- 1709.0 1.661 51.9 1710.0 1.654 51.6 1711.0 1.647 51.3 1712.0 1.639 51.0 1713.0 1.632 50.6 1714.0 1.625 50.3 1715.0 1.617 50.0 1716.0 1.610 49.6 1717.0 1.603 49.3 1718.0 1.595 48.9 1719.0 1.588 48.6 1720.0 1.580 48.3 1721.0 1.573 47.9 1722.0 1.565 47.5 1723.0 1.558 47.2 1724.0 1.551 46.8 1725.0 1.543 46.5 1726.0 1.536 46.1 1727.0 1.528 45.7 1728.0 1.521 45.3 1729.0 1.514 44.9 1730.0 1.506 44.6 1731.0 1.499 44.2 1732.0 1.492 43.8 1733.0 1.484 43.4 1734.0 1.477 43.0 1735.0 1.470 42.6 1736.0 1.462 42.2 1737.0 1.455 41.8 1738.0 1.448 41.3 1739.0 1.441 40.9 1740.0 1.433 40.5 1741.0 1.426 40.1 1742.0 1.419 39.6 1743.0 1.412 39.2 1744.0 1.405 38.8 1745.0 1.397 38.3 1746.0 1.390 37.9 1747.0 1.383 37.4 1748.0 1.376 36.9 1749.0 1.369 36.5 1750.0 1.362 36.0 1751.0 1.355 35.5 1752.0 1.348 35.0 1753.0 1.341 34.6 1754.0 1.335 34.1 1755.0 1.328 33.6 1756.0 1.321 33.1 1757.0 1.314 32.6 1758.0 1.308 32.1 1759.0 1.301 31.5 1760.0 1.294 31.0 1761.0 1.288 30.5 1762.0 1.281 30.0 1763.0 1.275 29.4 1764.0 1.269 28.9 1765.0 1.262 28.3 1766.0 1.256 27.8 1767.0 1.250 27.2 1768.0 1.244 26.7 1769.0 1.237 26.1 1770.0 1.231 25.5 1771.0 1.225 24.9 1772.0 1.220 24.3 1773.0 1.214 23.7 1774.0 1.208 23.1 1775.0 1.202 22.5 1776.0 1.197 21.9 1777.0 1.191 21.3 1778.0 1.186 20.7 1779.0 1.180 20.1 1780.0 1.175 19.4 1781.0 1.170 18.8 1782.0 1.164 18.1 1783.0 1.159 17.5 1784.0 1.154 16.8 1785.0 1.150 16.2 1786.0 1.145 15.5 1787.0 1.140 14.8 1788.0 1.135 14.2 1789.0 1.131 13.5 1790.0 1.126 12.8 1791.0 1.122 12.1 1792.0 1.118 11.4 1793.0 1.114 10.7 1794.0 1.110 10.0 1795.0 1.106 9.3 1796.0 1.102 8.5 1797.0 1.098 7.8 1798.0 1.095 7.1 1799.0 1.091 6.4 1800.0 1.088 5.6 1801.0 1.085 4.9 1802.0 1.081 4.1 1803.0 1.078 3.4 1804.0 1.076 2.6 1805.0 1.073 1.9 1806.0 1.070 1.1 1807.0 1.067 0.3 1808.0 1.065 359.5 1809.0 1.063 358.8 1810.0 1.061 358.0 1811.0 1.058 357.2 1812.0 1.057 356.4 1813.0 1.055 355.6 1814.0 1.053 354.8 1815.0 1.051 354.1 1816.0 1.050 353.3 1817.0 1.049 352.5 1818.0 1.047 351.7 1819.0 1.046 350.9 1820.0 1.045 350.1 1821.0 1.045 349.3 1822.0 1.044 348.4 1823.0 1.043 347.6 1824.0 1.043 346.8 1825.0 1.042 346.0 1826.0 1.042 345.2 1827.0 1.042 344.4 1828.0 1.042 343.6 1829.0 1.042 342.8 1830.0 1.043 342.0 1831.0 1.043 341.2 1832.0 1.043 340.4 1833.0 1.044 339.6 1834.0 1.045 338.8 1835.0 1.046 338.0 1836.0 1.046 337.2 1837.0 1.047 336.4 1838.0 1.049 335.6 1839.0 1.050 334.8 1840.0 1.051 334.0 1841.0 1.053 333.2 1842.0 1.054 332.4 1843.0 1.056 331.6 1844.0 1.057 330.8 1845.0 1.059 330.0 1846.0 1.061 329.2 1847.0 1.063 328.5 1848.0 1.065 327.7 1849.0 1.067 326.9 1850.0 1.069 326.1 1851.0 1.072 325.4 1852.0 1.074 324.6 1853.0 1.076 323.9 1854.0 1.079 323.1 1855.0 1.081 322.3 1856.0 1.084 321.6 1857.0 1.087 320.8 1858.0 1.089 320.1 1859.0 1.092 319.4 1860.0 1.095 318.6 1861.0 1.097 317.9 1862.0 1.100 317.2 1863.0 1.103 316.5 1864.0 1.106 315.7 1865.0 1.109 315.0 1866.0 1.111 314.3 1867.0 1.114 313.6 1868.0 1.117 312.9 1869.0 1.120 312.2 1870.0 1.123 311.5 1871.0 1.126 310.8 1872.0 1.129 310.1 1873.0 1.131 309.4 1874.0 1.134 308.7 1875.0 1.137 308.1 1876.0 1.140 307.4 1877.0 1.142 306.7 1878.0 1.145 306.0 1879.0 1.148 305.4 1880.0 1.150 304.7 1881.0 1.153 304.0 1882.0 1.155 303.4 1883.0 1.157 302.7 1884.0 1.159 302.1 1885.0 1.162 301.4 1886.0 1.164 300.8 1887.0 1.166 300.1 1888.0 1.168 299.5 1889.0 1.169 298.8 1890.0 1.171 298.2 1891.0 1.172 297.5 1892.0 1.174 296.9 1893.0 1.175 296.3 1894.0 1.176 295.6 1895.0 1.177 295.0 1896.0 1.178 294.4 1897.0 1.179 293.7 1898.0 1.179 293.1 1899.0 1.180 292.5 1900.0 1.180 291.8 1901.0 1.180 291.2 1902.0 1.180 290.6 1903.0 1.179 289.9 1904.0 1.179 289.3 1905.0 1.178 288.7 1906.0 1.177 288.1 1907.0 1.175 287.4 1908.0 1.174 286.8 1909.0 1.172 286.1 1910.0 1.170 285.5 1911.0 1.168 284.9 1912.0 1.166 284.2 1913.0 1.163 283.6 1914.0 1.160 282.9 1915.0 1.157 282.3 1916.0 1.153 281.6 1917.0 1.149 280.9 1918.0 1.145 280.3 1919.0 1.141 279.6 1920.0 1.136 278.9 1921.0 1.131 278.2 1922.0 1.126 277.6 1923.0 1.120 276.9 1924.0 1.114 276.2 1925.0 1.108 275.4 1926.0 1.101 274.7 1927.0 1.094 274.0 1928.0 1.087 273.3 1929.0 1.079 272.5 1930.0 1.071 271.7 1931.0 1.063 271.0 1932.0 1.055 270.2 1933.0 1.046 269.4 1934.0 1.037 268.6 1935.0 1.027 267.8 1936.0 1.017 266.9 1937.0 1.007 266.1 1938.0 0.997 265.2 1939.0 0.986 264.3 1940.0 0.975 263.4 1941.0 0.964 262.4 1942.0 0.952 261.5 1943.0 0.940 260.5 1944.0 0.928 259.5 1945.0 0.916 258.5 1946.0 0.904 257.4 1947.0 0.891 256.3 1948.0 0.878 255.2 1949.0 0.865 254.0 1950.0 0.852 252.9 1951.0 0.839 251.6 1952.0 0.825 250.4 1953.0 0.812 249.0 1954.0 0.799 247.7 1955.0 0.785 246.3 1956.0 0.772 244.8 1957.0 0.759 243.3 1958.0 0.745 241.8 1959.0 0.732 240.2 1960.0 0.719 238.5 1961.0 0.707 236.8 1962.0 0.694 235.0 1963.0 0.682 233.2 1964.0 0.671 231.2 1965.0 0.659 229.2 1966.0 0.649 227.2 1967.0 0.638 225.1 1968.0 0.628 222.9 1969.0 0.619 220.6 1970.0 0.611 218.3 1971.0 0.603 215.9 1972.0 0.596 213.5 1973.0 0.590 211.0 1974.0 0.585 208.4 1975.0 0.580 205.8 1976.0 0.577 203.2 1977.0 0.574 200.6 1978.0 0.573 197.9 1979.0 0.572 195.2 1980.0 0.572 192.5 1981.0 0.574 189.9 1982.0 0.576 187.2 1983.0 0.579 184.6 1984.0 0.584 182.0 1985.0 0.589 179.4 1986.0 0.595 176.9 1987.0 0.602 174.5 1988.0 0.610 172.1 1989.0 0.619 169.8 1990.0 0.628 167.5 1991.0 0.638 165.3 1992.0 0.649 163.2 1993.0 0.661 161.1 1994.0 0.673 159.2 1995.0 0.685 157.3 1996.0 0.698 155.4 1997.0 0.712 153.7 1998.0 0.726 152.0 1999.0 0.740 150.3 2000.0 0.755 148.8 2001.0 0.770 147.2 2002.0 0.785 145.8 2003.0 0.801 144.4 2004.0 0.817 143.1 2005.0 0.832 141.8 2006.0 0.849 140.5 2007.0 0.865 139.3 2008.0 0.881 138.2 2009.0 0.898 137.1 2010.0 0.915 136.0 2011.0 0.931 135.0 2012.0 0.948 134.0 2013.0 0.965 133.0 2014.0 0.982 132.1 2015.0 0.999 131.2 2016.0 1.016 130.3 2017.0 1.032 129.5 2018.0 1.049 128.7 2019.0 1.066 127.9 2020.0 1.083 127.1 2021.0 1.100 126.4 2022.0 1.117 125.7 2023.0 1.133 125.0 2024.0 1.150 124.3 2025.0 1.167 123.7 2026.0 1.183 123.0 2027.0 1.199 122.4 2028.0 1.216 121.8 2029.0 1.232 121.2 2030.0 1.248 120.6 2031.0 1.264 120.1 2032.0 1.280 119.5 2033.0 1.296 119.0 2034.0 1.312 118.5 2035.0 1.328 118.0 2036.0 1.343 117.5 2037.0 1.359 117.0 2038.0 1.374 116.5 2039.0 1.389 116.1 2040.0 1.404 115.6 2041.0 1.419 115.2 2042.0 1.434 114.8 2043.0 1.449 114.3 2044.0 1.464 113.9 2045.0 1.478 113.5 2046.0 1.493 113.1 2047.0 1.507 112.7 2048.0 1.521 112.4 2049.0 1.535 112.0 2050.0 1.549 111.6 2051.0 1.563 111.2 2052.0 1.576 110.9 2053.0 1.590 110.5 2054.0 1.603 110.2 2055.0 1.616 109.9 2056.0 1.629 109.5 2057.0 1.642 109.2 2058.0 1.655 108.9 2059.0 1.668 108.6 2060.0 1.681 108.2 2061.0 1.693 107.9 2062.0 1.705 107.6 2063.0 1.718 107.3 2064.0 1.730 107.0 2065.0 1.742 106.7 2066.0 1.753 106.5 2067.0 1.765 106.2 2068.0 1.777 105.9 2069.0 1.788 105.6 2070.0 1.799 105.3 2071.0 1.810 105.1 2072.0 1.822 104.8 2073.0 1.832 104.5 2074.0 1.843 104.3 2075.0 1.854 104.0 2076.0 1.864 103.8 2077.0 1.875 103.5 2078.0 1.885 103.3 2079.0 1.895 103.0 2080.0 1.905 102.8 2081.0 1.915 102.5 2082.0 1.925 102.3 2083.0 1.935 102.1 2084.0 1.944 101.8 2085.0 1.954 101.6 2086.0 1.963 101.4 2087.0 1.972 101.1 2088.0 1.981 100.9 2089.0 1.990 100.7 2090.0 1.999 100.5 2091.0 2.008 100.3 2092.0 2.016 100.0 2093.0 2.025 99.8 2094.0 2.033 99.6 2095.0 2.041 99.4 2096.0 2.050 99.2 2097.0 2.058 99.0 2098.0 2.066 98.8 2099.0 2.073 98.6 2100.0 2.081 98.4 2101.0 2.089 98.2 2102.0 2.096 98.0 2103.0 2.103 97.8 2104.0 2.111 97.6 2105.0 2.118 97.4 2106.0 2.125 97.2 2107.0 2.132 97.0 2108.0 2.138 96.8 2109.0 2.145 96.6 2110.0 2.152 96.4 2111.0 2.158 96.2 2112.0 2.164 96.0 2113.0 2.171 95.8 2114.0 2.177 95.7 2115.0 2.183 95.5 2116.0 2.189 95.3 2117.0 2.195 95.1 2118.0 2.200 94.9 2119.0 2.206 94.7 2120.0 2.212 94.6 2121.0 2.217 94.4 2122.0 2.222 94.2 2123.0 2.228 94.0 2124.0 2.233 93.9 2125.0 2.238 93.7 2126.0 2.243 93.5 2127.0 2.247 93.3 2128.0 2.252 93.2 2129.0 2.257 93.0 2130.0 2.261 92.8 2131.0 2.266 92.6 2132.0 2.270 92.5 2133.0 2.274 92.3 2134.0 2.278 92.1 2135.0 2.282 92.0 2136.0 2.286 91.8 2137.0 2.290 91.6 2138.0 2.294 91.5 2139.0 2.298 91.3 2140.0 2.301 91.1 2141.0 2.305 91.0 2142.0 2.308 90.8 2143.0 2.312 90.6 2144.0 2.315 90.5 2145.0 2.318 90.3 2146.0 2.321 90.1 2147.0 2.324 90.0 2148.0 2.327 89.8 2149.0 2.330 89.7 2150.0 2.332 89.5 2151.0 2.335 89.3 2152.0 2.337 89.2 2153.0 2.340 89.0 2154.0 2.342 88.9 2155.0 2.344 88.7 2156.0 2.347 88.5 2157.0 2.349 88.4 2158.0 2.351 88.2 2159.0 2.353 88.1 2160.0 2.354 87.9 2161.0 2.356 87.7 2162.0 2.358 87.6 2163.0 2.359 87.4 2164.0 2.361 87.3 2165.0 2.362 87.1 2166.0 2.364 86.9 2167.0 2.365 86.8 2168.0 2.366 86.6 2169.0 2.367 86.5 2170.0 2.368 86.3 2171.0 2.369 86.2 2172.0 2.370 86.0 2173.0 2.371 85.9 2174.0 2.372 85.7 2175.0 2.372 85.5 2176.0 2.373 85.4 2177.0 2.373 85.2 2178.0 2.374 85.1 2179.0 2.374 84.9 2180.0 2.374 84.8 2181.0 2.374 84.6 2182.0 2.374 84.4 2183.0 2.374 84.3 2184.0 2.374 84.1 2185.0 2.374 84.0 2186.0 2.374 83.8 2187.0 2.374 83.7 2188.0 2.373 83.5 2189.0 2.373 83.4 2190.0 2.373 83.2 2191.0 2.372 83.0 2192.0 2.371 82.9 2193.0 2.371 82.7 2194.0 2.370 82.6 2195.0 2.369 82.4 2196.0 2.368 82.3 2197.0 2.367 82.1 2198.0 2.366 82.0 2199.0 2.365 81.8 2200.0 2.364 81.6 2201.0 2.363 81.5 2202.0 2.361 81.3 2203.0 2.360 81.2 2204.0 2.358 81.0 2205.0 2.357 80.9 2206.0 2.355 80.7 2207.0 2.354 80.5 2208.0 2.352 80.4 2209.0 2.350 80.2 2210.0 2.348 80.1 2211.0 2.346 79.9 2212.0 2.345 79.7 2213.0 2.342 79.6 2214.0 2.340 79.4 2215.0 2.338 79.3 2216.0 2.336 79.1 2217.0 2.334 78.9 2218.0 2.331 78.8 2219.0 2.329 78.6 2220.0 2.326 78.5 2221.0 2.324 78.3 2222.0 2.321 78.1 2223.0 2.319 78.0 2224.0 2.316 77.8 2225.0 2.313 77.6 2226.0 2.310 77.5 2227.0 2.307 77.3 2228.0 2.304 77.1 2229.0 2.301 77.0 2230.0 2.298 76.8 2231.0 2.295 76.6 2232.0 2.292 76.5 2233.0 2.289 76.3 2234.0 2.285 76.1 2235.0 2.282 76.0 2236.0 2.279 75.8 2237.0 2.275 75.6 2238.0 2.272 75.5 2239.0 2.268 75.3 2240.0 2.264 75.1 2241.0 2.261 75.0 2242.0 2.257 74.8 2243.0 2.253 74.6 2244.0 2.249 74.4 2245.0 2.245 74.3 2246.0 2.241 74.1 2247.0 2.237 73.9 2248.0 2.233 73.7 2249.0 2.229 73.6 2250.0 2.225 73.4 2251.0 2.221 73.2 2252.0 2.217 73.0 2253.0 2.212 72.8 2254.0 2.208 72.7 2255.0 2.203 72.5 2256.0 2.199 72.3 2257.0 2.194 72.1 2258.0 2.190 71.9 2259.0 2.185 71.8 2260.0 2.180 71.6 2261.0 2.176 71.4 2262.0 2.171 71.2 2263.0 2.166 71.0 2264.0 2.161 70.8 2265.0 2.156 70.6 2266.0 2.151 70.5 2267.0 2.146 70.3 2268.0 2.141 70.1 2269.0 2.136 69.9 2270.0 2.131 69.7 2271.0 2.126 69.5 2272.0 2.121 69.3 2273.0 2.115 69.1 2274.0 2.110 68.9 2275.0 2.105 68.7 2276.0 2.099 68.5 2277.0 2.094 68.3 2278.0 2.088 68.1 2279.0 2.083 67.9 2280.0 2.077 67.7 2281.0 2.071 67.5 2282.0 2.066 67.3 2283.0 2.060 67.1 2284.0 2.054 66.9 2285.0 2.049 66.7 2286.0 2.043 66.5 2287.0 2.037 66.3 2288.0 2.031 66.0 2289.0 2.025 65.8 2290.0 2.019 65.6 2291.0 2.013 65.4 2292.0 2.007 65.2 2293.0 2.001 65.0 2294.0 1.995 64.7 2295.0 1.988 64.5 2296.0 1.982 64.3 2297.0 1.976 64.1 2298.0 1.970 63.8 2299.0 1.963 63.6 2300.0 1.957 63.4 2301.0 1.951 63.2 2302.0 1.944 62.9 2303.0 1.938 62.7 2304.0 1.931 62.5 2305.0 1.925 62.2 2306.0 1.918 62.0 2307.0 1.912 61.7 2308.0 1.905 61.5 2309.0 1.898 61.3 2310.0 1.892 61.0 2311.0 1.885 60.8 2312.0 1.878 60.5 2313.0 1.872 60.3 2314.0 1.865 60.0 2315.0 1.858 59.8 2316.0 1.851 59.5 2317.0 1.844 59.3 2318.0 1.837 59.0 2319.0 1.831 58.7 2320.0 1.824 58.5 2321.0 1.817 58.2 2322.0 1.810 57.9 2323.0 1.803 57.7 2324.0 1.796 57.4 2325.0 1.789 57.1 2326.0 1.782 56.9 2327.0 1.774 56.6 2328.0 1.767 56.3 2329.0 1.760 56.0 2330.0 1.753 55.7 2331.0 1.746 55.4 2332.0 1.739 55.2 2333.0 1.731 54.9 2334.0 1.724 54.6 2335.0 1.717 54.3 2336.0 1.710 54.0 2337.0 1.702 53.7 2338.0 1.695 53.4 2339.0 1.688 53.1 2340.0 1.681 52.7