| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:19:21 |
| WDS: | AC1 | WDS ID/Discoverer |
| P: | 525.000 | Orbital period (years) |
| a: | 1.234 | Semi-major axis (arcseconds) |
| i: | 84.0 | Inclination (degrees) |
| Ω: | 107.5 | Longitude of ascending node (degrees) |
| T: | 1820.100 | Epoch of periastron passage (year) |
| e: | 0.6 | Eccentricity |
| ω: | 26.8 | Longitude of periastron (degrees) |
| Start-Year: | 1763.0 | Year |
| End-Year: | 2287.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 002054.10+325840.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00209+3259 | WDS designation |
| Discoverer Code: | AC1 | Discover designation and components |
| ADS number: | 285 | Aitken Double Star catalog |
| HD number: | 1641 | HD catalog number |
| Hipparcos number: | 1669 | Hipparcos catalog number |
| V1: | 7.27 | Magnitude of the primary |
| V2: | 8.26 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.848 289.0 ------------------------- 1763.0 0.149 62.9 1764.0 0.157 66.6 1765.0 0.167 70.0 1766.0 0.177 72.9 1767.0 0.187 75.6 1768.0 0.198 77.9 1769.0 0.209 80.0 1770.0 0.220 81.9 1771.0 0.231 83.7 1772.0 0.242 85.2 1773.0 0.254 86.6 1774.0 0.265 87.9 1775.0 0.277 89.1 1776.0 0.288 90.2 1777.0 0.300 91.2 1778.0 0.311 92.2 1779.0 0.322 93.0 1780.0 0.334 93.8 1781.0 0.345 94.6 1782.0 0.356 95.3 1783.0 0.367 96.0 1784.0 0.377 96.6 1785.0 0.388 97.2 1786.0 0.398 97.8 1787.0 0.408 98.3 1788.0 0.418 98.8 1789.0 0.428 99.3 1790.0 0.437 99.8 1791.0 0.446 100.2 1792.0 0.455 100.7 1793.0 0.464 101.1 1794.0 0.472 101.5 1795.0 0.479 101.9 1796.0 0.486 102.2 1797.0 0.493 102.6 1798.0 0.499 103.0 1799.0 0.505 103.3 1800.0 0.510 103.6 1801.0 0.515 104.0 1802.0 0.519 104.3 1803.0 0.522 104.6 1804.0 0.524 104.9 1805.0 0.526 105.3 1806.0 0.527 105.6 1807.0 0.527 105.9 1808.0 0.527 106.2 1809.0 0.525 106.5 1810.0 0.523 106.8 1811.0 0.519 107.2 1812.0 0.515 107.5 1813.0 0.509 107.8 1814.0 0.503 108.2 1815.0 0.495 108.5 1816.0 0.487 108.9 1817.0 0.477 109.2 1818.0 0.467 109.6 1819.0 0.455 110.0 1820.0 0.443 110.5 1821.0 0.429 110.9 1822.0 0.415 111.4 1823.0 0.399 112.0 1824.0 0.383 112.5 1825.0 0.366 113.1 1826.0 0.348 113.8 1827.0 0.330 114.6 1828.0 0.311 115.4 1829.0 0.291 116.4 1830.0 0.271 117.5 1831.0 0.251 118.8 1832.0 0.230 120.3 1833.0 0.209 122.1 1834.0 0.188 124.3 1835.0 0.167 127.1 1836.0 0.147 130.7 1837.0 0.127 135.4 1838.0 0.107 141.8 1839.0 0.090 150.9 1840.0 0.076 163.8 1841.0 0.067 181.3 1842.0 0.065 201.8 1843.0 0.072 220.7 1844.0 0.085 235.1 1845.0 0.101 245.4 1846.0 0.120 252.6 1847.0 0.140 257.8 1848.0 0.161 261.7 1849.0 0.182 264.6 1850.0 0.203 267.0 1851.0 0.225 268.9 1852.0 0.247 270.5 1853.0 0.268 271.8 1854.0 0.290 272.9 1855.0 0.311 273.9 1856.0 0.332 274.7 1857.0 0.354 275.5 1858.0 0.375 276.1 1859.0 0.396 276.7 1860.0 0.416 277.3 1861.0 0.437 277.7 1862.0 0.457 278.2 1863.0 0.477 278.6 1864.0 0.497 278.9 1865.0 0.517 279.3 1866.0 0.537 279.6 1867.0 0.556 279.9 1868.0 0.576 280.2 1869.0 0.595 280.4 1870.0 0.613 280.7 1871.0 0.632 280.9 1872.0 0.651 281.1 1873.0 0.669 281.3 1874.0 0.687 281.5 1875.0 0.705 281.7 1876.0 0.722 281.8 1877.0 0.740 282.0 1878.0 0.757 282.2 1879.0 0.774 282.3 1880.0 0.791 282.5 1881.0 0.808 282.6 1882.0 0.824 282.7 1883.0 0.841 282.8 1884.0 0.857 283.0 1885.0 0.873 283.1 1886.0 0.889 283.2 1887.0 0.904 283.3 1888.0 0.920 283.4 1889.0 0.935 283.5 1890.0 0.950 283.6 1891.0 0.965 283.7 1892.0 0.980 283.8 1893.0 0.994 283.9 1894.0 1.009 284.0 1895.0 1.023 284.1 1896.0 1.037 284.1 1897.0 1.051 284.2 1898.0 1.064 284.3 1899.0 1.078 284.4 1900.0 1.091 284.5 1901.0 1.105 284.5 1902.0 1.118 284.6 1903.0 1.131 284.7 1904.0 1.143 284.7 1905.0 1.156 284.8 1906.0 1.168 284.9 1907.0 1.181 284.9 1908.0 1.193 285.0 1909.0 1.205 285.0 1910.0 1.217 285.1 1911.0 1.229 285.2 1912.0 1.240 285.2 1913.0 1.252 285.3 1914.0 1.263 285.3 1915.0 1.274 285.4 1916.0 1.285 285.4 1917.0 1.296 285.5 1918.0 1.307 285.5 1919.0 1.317 285.6 1920.0 1.328 285.6 1921.0 1.338 285.7 1922.0 1.349 285.7 1923.0 1.359 285.8 1924.0 1.369 285.8 1925.0 1.378 285.9 1926.0 1.388 285.9 1927.0 1.398 286.0 1928.0 1.407 286.0 1929.0 1.417 286.1 1930.0 1.426 286.1 1931.0 1.435 286.1 1932.0 1.444 286.2 1933.0 1.453 286.2 1934.0 1.461 286.3 1935.0 1.470 286.3 1936.0 1.478 286.4 1937.0 1.487 286.4 1938.0 1.495 286.4 1939.0 1.503 286.5 1940.0 1.511 286.5 1941.0 1.519 286.5 1942.0 1.527 286.6 1943.0 1.535 286.6 1944.0 1.542 286.7 1945.0 1.550 286.7 1946.0 1.557 286.7 1947.0 1.565 286.8 1948.0 1.572 286.8 1949.0 1.579 286.8 1950.0 1.586 286.9 1951.0 1.593 286.9 1952.0 1.599 286.9 1953.0 1.606 287.0 1954.0 1.612 287.0 1955.0 1.619 287.0 1956.0 1.625 287.1 1957.0 1.631 287.1 1958.0 1.638 287.1 1959.0 1.644 287.2 1960.0 1.650 287.2 1961.0 1.655 287.2 1962.0 1.661 287.3 1963.0 1.667 287.3 1964.0 1.672 287.3 1965.0 1.678 287.4 1966.0 1.683 287.4 1967.0 1.688 287.4 1968.0 1.694 287.5 1969.0 1.699 287.5 1970.0 1.704 287.5 1971.0 1.708 287.5 1972.0 1.713 287.6 1973.0 1.718 287.6 1974.0 1.723 287.6 1975.0 1.727 287.7 1976.0 1.732 287.7 1977.0 1.736 287.7 1978.0 1.740 287.8 1979.0 1.744 287.8 1980.0 1.748 287.8 1981.0 1.752 287.8 1982.0 1.756 287.9 1983.0 1.760 287.9 1984.0 1.764 287.9 1985.0 1.768 288.0 1986.0 1.771 288.0 1987.0 1.775 288.0 1988.0 1.778 288.0 1989.0 1.781 288.1 1990.0 1.785 288.1 1991.0 1.788 288.1 1992.0 1.791 288.1 1993.0 1.794 288.2 1994.0 1.797 288.2 1995.0 1.799 288.2 1996.0 1.802 288.3 1997.0 1.805 288.3 1998.0 1.807 288.3 1999.0 1.810 288.3 2000.0 1.812 288.4 2001.0 1.815 288.4 2002.0 1.817 288.4 2003.0 1.819 288.4 2004.0 1.821 288.5 2005.0 1.823 288.5 2006.0 1.825 288.5 2007.0 1.827 288.5 2008.0 1.829 288.6 2009.0 1.831 288.6 2010.0 1.832 288.6 2011.0 1.834 288.7 2012.0 1.835 288.7 2013.0 1.837 288.7 2014.0 1.838 288.7 2015.0 1.839 288.8 2016.0 1.840 288.8 2017.0 1.842 288.8 2018.0 1.843 288.8 2019.0 1.844 288.9 2020.0 1.844 288.9 2021.0 1.845 288.9 2022.0 1.846 288.9 2023.0 1.847 289.0 2024.0 1.847 289.0 2025.0 1.848 289.0 2026.0 1.848 289.0 2027.0 1.849 289.1 2028.0 1.849 289.1 2029.0 1.849 289.1 2030.0 1.850 289.1 2031.0 1.850 289.2 2032.0 1.850 289.2 2033.0 1.850 289.2 2034.0 1.850 289.2 2035.0 1.849 289.3 2036.0 1.849 289.3 2037.0 1.849 289.3 2038.0 1.848 289.3 2039.0 1.848 289.4 2040.0 1.847 289.4 2041.0 1.847 289.4 2042.0 1.846 289.4 2043.0 1.846 289.5 2044.0 1.845 289.5 2045.0 1.844 289.5 2046.0 1.843 289.5 2047.0 1.842 289.6 2048.0 1.841 289.6 2049.0 1.840 289.6 2050.0 1.839 289.7 2051.0 1.837 289.7 2052.0 1.836 289.7 2053.0 1.835 289.7 2054.0 1.833 289.8 2055.0 1.832 289.8 2056.0 1.830 289.8 2057.0 1.829 289.8 2058.0 1.827 289.9 2059.0 1.825 289.9 2060.0 1.823 289.9 2061.0 1.821 289.9 2062.0 1.819 290.0 2063.0 1.817 290.0 2064.0 1.815 290.0 2065.0 1.813 290.0 2066.0 1.811 290.1 2067.0 1.809 290.1 2068.0 1.806 290.1 2069.0 1.804 290.1 2070.0 1.801 290.2 2071.0 1.799 290.2 2072.0 1.796 290.2 2073.0 1.794 290.3 2074.0 1.791 290.3 2075.0 1.788 290.3 2076.0 1.785 290.3 2077.0 1.782 290.4 2078.0 1.779 290.4 2079.0 1.776 290.4 2080.0 1.773 290.4 2081.0 1.770 290.5 2082.0 1.767 290.5 2083.0 1.763 290.5 2084.0 1.760 290.6 2085.0 1.757 290.6 2086.0 1.753 290.6 2087.0 1.750 290.6 2088.0 1.746 290.7 2089.0 1.742 290.7 2090.0 1.739 290.7 2091.0 1.735 290.8 2092.0 1.731 290.8 2093.0 1.727 290.8 2094.0 1.723 290.8 2095.0 1.719 290.9 2096.0 1.715 290.9 2097.0 1.711 290.9 2098.0 1.707 291.0 2099.0 1.703 291.0 2100.0 1.698 291.0 2101.0 1.694 291.1 2102.0 1.690 291.1 2103.0 1.685 291.1 2104.0 1.681 291.2 2105.0 1.676 291.2 2106.0 1.671 291.2 2107.0 1.667 291.2 2108.0 1.662 291.3 2109.0 1.657 291.3 2110.0 1.652 291.3 2111.0 1.647 291.4 2112.0 1.642 291.4 2113.0 1.637 291.4 2114.0 1.632 291.5 2115.0 1.627 291.5 2116.0 1.621 291.5 2117.0 1.616 291.6 2118.0 1.611 291.6 2119.0 1.605 291.6 2120.0 1.600 291.7 2121.0 1.594 291.7 2122.0 1.589 291.7 2123.0 1.583 291.8 2124.0 1.577 291.8 2125.0 1.572 291.8 2126.0 1.566 291.9 2127.0 1.560 291.9 2128.0 1.554 292.0 2129.0 1.548 292.0 2130.0 1.542 292.0 2131.0 1.536 292.1 2132.0 1.530 292.1 2133.0 1.523 292.1 2134.0 1.517 292.2 2135.0 1.511 292.2 2136.0 1.504 292.2 2137.0 1.498 292.3 2138.0 1.491 292.3 2139.0 1.485 292.4 2140.0 1.478 292.4 2141.0 1.471 292.4 2142.0 1.465 292.5 2143.0 1.458 292.5 2144.0 1.451 292.6 2145.0 1.444 292.6 2146.0 1.437 292.7 2147.0 1.430 292.7 2148.0 1.423 292.7 2149.0 1.416 292.8 2150.0 1.409 292.8 2151.0 1.401 292.9 2152.0 1.394 292.9 2153.0 1.387 293.0 2154.0 1.379 293.0 2155.0 1.372 293.1 2156.0 1.364 293.1 2157.0 1.357 293.1 2158.0 1.349 293.2 2159.0 1.341 293.2 2160.0 1.334 293.3 2161.0 1.326 293.3 2162.0 1.318 293.4 2163.0 1.310 293.4 2164.0 1.302 293.5 2165.0 1.294 293.5 2166.0 1.286 293.6 2167.0 1.278 293.6 2168.0 1.270 293.7 2169.0 1.261 293.8 2170.0 1.253 293.8 2171.0 1.245 293.9 2172.0 1.236 293.9 2173.0 1.228 294.0 2174.0 1.219 294.0 2175.0 1.211 294.1 2176.0 1.202 294.2 2177.0 1.193 294.2 2178.0 1.185 294.3 2179.0 1.176 294.3 2180.0 1.167 294.4 2181.0 1.158 294.5 2182.0 1.149 294.5 2183.0 1.140 294.6 2184.0 1.131 294.7 2185.0 1.122 294.7 2186.0 1.113 294.8 2187.0 1.103 294.9 2188.0 1.094 295.0 2189.0 1.085 295.0 2190.0 1.075 295.1 2191.0 1.066 295.2 2192.0 1.056 295.3 2193.0 1.047 295.3 2194.0 1.037 295.4 2195.0 1.027 295.5 2196.0 1.018 295.6 2197.0 1.008 295.7 2198.0 0.998 295.8 2199.0 0.988 295.8 2200.0 0.978 295.9 2201.0 0.968 296.0 2202.0 0.958 296.1 2203.0 0.948 296.2 2204.0 0.938 296.3 2205.0 0.928 296.4 2206.0 0.917 296.5 2207.0 0.907 296.6 2208.0 0.897 296.7 2209.0 0.886 296.8 2210.0 0.876 297.0 2211.0 0.865 297.1 2212.0 0.855 297.2 2213.0 0.844 297.3 2214.0 0.833 297.4 2215.0 0.823 297.6 2216.0 0.812 297.7 2217.0 0.801 297.8 2218.0 0.790 298.0 2219.0 0.779 298.1 2220.0 0.768 298.2 2221.0 0.757 298.4 2222.0 0.746 298.6 2223.0 0.735 298.7 2224.0 0.724 298.9 2225.0 0.713 299.0 2226.0 0.701 299.2 2227.0 0.690 299.4 2228.0 0.679 299.6 2229.0 0.667 299.8 2230.0 0.656 300.0 2231.0 0.644 300.2 2232.0 0.633 300.4 2233.0 0.621 300.6 2234.0 0.610 300.9 2235.0 0.598 301.1 2236.0 0.586 301.3 2237.0 0.575 301.6 2238.0 0.563 301.9 2239.0 0.551 302.2 2240.0 0.539 302.4 2241.0 0.527 302.8 2242.0 0.515 303.1 2243.0 0.503 303.4 2244.0 0.491 303.8 2245.0 0.479 304.1 2246.0 0.467 304.5 2247.0 0.455 304.9 2248.0 0.443 305.4 2249.0 0.431 305.8 2250.0 0.419 306.3 2251.0 0.407 306.8 2252.0 0.395 307.4 2253.0 0.383 307.9 2254.0 0.370 308.6 2255.0 0.358 309.2 2256.0 0.346 309.9 2257.0 0.334 310.7 2258.0 0.322 311.5 2259.0 0.310 312.4 2260.0 0.298 313.3 2261.0 0.286 314.3 2262.0 0.274 315.5 2263.0 0.262 316.7 2264.0 0.250 318.0 2265.0 0.239 319.5 2266.0 0.227 321.1 2267.0 0.216 322.9 2268.0 0.205 324.8 2269.0 0.194 327.0 2270.0 0.183 329.5 2271.0 0.173 332.3 2272.0 0.163 335.4 2273.0 0.154 338.9 2274.0 0.145 342.8 2275.0 0.137 347.2 2276.0 0.130 352.1 2277.0 0.124 357.6 2278.0 0.119 3.6 2279.0 0.115 9.9 2280.0 0.113 16.6 2281.0 0.113 23.5 2282.0 0.114 30.3 2283.0 0.117 36.9 2284.0 0.121 43.1 2285.0 0.126 48.8 2286.0 0.133 54.0