| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:17:32 |
| WDS: | A2489 | WDS ID/Discoverer |
| P: | 499.000 | Orbital period (years) |
| a: | 1.35 | Semi-major axis (arcseconds) |
| i: | 95.0 | Inclination (degrees) |
| Ω: | 183.0 | Longitude of ascending node (degrees) |
| T: | 1905.000 | Epoch of periastron passage (year) |
| e: | 0.8 | Eccentricity |
| ω: | 142.0 | Longitude of periastron (degrees) |
| Start-Year: | 1776.0 | Year |
| End-Year: | 2274.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 132343.16-004309.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13237-0043 | WDS designation |
| Discoverer Code: | A2489 | Discover designation and components |
| ADS number: | 8884 | Aitken Double Star catalog |
| HD number: | 116444 | HD catalog number |
| Hipparcos number: | 65360 | Hipparcos catalog number |
| V1: | 9.49 | Magnitude of the primary |
| V2: | 9.81 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2002 | 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 1.051 190.9 ------------------------- 1776.0 1.907 184.8 1777.0 1.903 184.8 1778.0 1.898 184.8 1779.0 1.894 184.7 1780.0 1.889 184.7 1781.0 1.884 184.7 1782.0 1.879 184.7 1783.0 1.874 184.7 1784.0 1.869 184.6 1785.0 1.864 184.6 1786.0 1.859 184.6 1787.0 1.854 184.6 1788.0 1.848 184.6 1789.0 1.843 184.5 1790.0 1.837 184.5 1791.0 1.831 184.5 1792.0 1.826 184.5 1793.0 1.820 184.5 1794.0 1.814 184.4 1795.0 1.807 184.4 1796.0 1.801 184.4 1797.0 1.795 184.4 1798.0 1.788 184.4 1799.0 1.782 184.3 1800.0 1.775 184.3 1801.0 1.768 184.3 1802.0 1.761 184.3 1803.0 1.754 184.3 1804.0 1.747 184.2 1805.0 1.740 184.2 1806.0 1.733 184.2 1807.0 1.725 184.2 1808.0 1.717 184.1 1809.0 1.710 184.1 1810.0 1.702 184.1 1811.0 1.694 184.1 1812.0 1.686 184.0 1813.0 1.677 184.0 1814.0 1.669 184.0 1815.0 1.661 184.0 1816.0 1.652 183.9 1817.0 1.643 183.9 1818.0 1.634 183.9 1819.0 1.625 183.9 1820.0 1.616 183.8 1821.0 1.607 183.8 1822.0 1.597 183.8 1823.0 1.588 183.8 1824.0 1.578 183.7 1825.0 1.568 183.7 1826.0 1.558 183.7 1827.0 1.547 183.6 1828.0 1.537 183.6 1829.0 1.527 183.6 1830.0 1.516 183.6 1831.0 1.505 183.5 1832.0 1.494 183.5 1833.0 1.483 183.5 1834.0 1.471 183.4 1835.0 1.460 183.4 1836.0 1.448 183.4 1837.0 1.436 183.3 1838.0 1.424 183.3 1839.0 1.411 183.3 1840.0 1.399 183.2 1841.0 1.386 183.2 1842.0 1.373 183.2 1843.0 1.360 183.1 1844.0 1.347 183.1 1845.0 1.333 183.1 1846.0 1.320 183.0 1847.0 1.306 183.0 1848.0 1.291 182.9 1849.0 1.277 182.9 1850.0 1.262 182.8 1851.0 1.247 182.8 1852.0 1.232 182.8 1853.0 1.217 182.7 1854.0 1.201 182.7 1855.0 1.185 182.6 1856.0 1.169 182.6 1857.0 1.152 182.5 1858.0 1.135 182.5 1859.0 1.118 182.4 1860.0 1.101 182.4 1861.0 1.083 182.3 1862.0 1.065 182.2 1863.0 1.047 182.2 1864.0 1.028 182.1 1865.0 1.009 182.0 1866.0 0.989 182.0 1867.0 0.970 181.9 1868.0 0.949 181.8 1869.0 0.929 181.8 1870.0 0.908 181.7 1871.0 0.886 181.6 1872.0 0.865 181.5 1873.0 0.842 181.4 1874.0 0.819 181.3 1875.0 0.796 181.2 1876.0 0.772 181.1 1877.0 0.748 181.0 1878.0 0.723 180.8 1879.0 0.698 180.7 1880.0 0.672 180.6 1881.0 0.645 180.4 1882.0 0.618 180.2 1883.0 0.590 180.0 1884.0 0.561 179.8 1885.0 0.531 179.6 1886.0 0.501 179.3 1887.0 0.470 179.0 1888.0 0.438 178.7 1889.0 0.405 178.3 1890.0 0.372 177.9 1891.0 0.337 177.3 1892.0 0.302 176.6 1893.0 0.265 175.8 1894.0 0.228 174.6 1895.0 0.189 173.1 1896.0 0.150 170.6 1897.0 0.110 166.5 1898.0 0.071 157.7 1899.0 0.037 130.4 1900.0 0.034 57.1 1901.0 0.067 25.5 1902.0 0.106 15.8 1903.0 0.144 11.3 1904.0 0.180 8.7 1905.0 0.213 6.9 1906.0 0.242 5.6 1907.0 0.267 4.5 1908.0 0.286 3.6 1909.0 0.301 2.8 1910.0 0.312 2.1 1911.0 0.319 1.4 1912.0 0.323 0.7 1913.0 0.324 0.1 1914.0 0.323 359.4 1915.0 0.320 358.8 1916.0 0.315 358.1 1917.0 0.308 357.4 1918.0 0.301 356.6 1919.0 0.292 355.8 1920.0 0.283 355.0 1921.0 0.273 354.1 1922.0 0.263 353.2 1923.0 0.252 352.1 1924.0 0.241 351.0 1925.0 0.229 349.7 1926.0 0.217 348.4 1927.0 0.205 346.8 1928.0 0.193 345.1 1929.0 0.181 343.1 1930.0 0.169 340.9 1931.0 0.157 338.3 1932.0 0.146 335.3 1933.0 0.134 331.8 1934.0 0.123 327.6 1935.0 0.113 322.7 1936.0 0.104 316.8 1937.0 0.096 310.0 1938.0 0.090 302.0 1939.0 0.085 293.0 1940.0 0.083 283.3 1941.0 0.083 273.3 1942.0 0.086 263.7 1943.0 0.091 254.9 1944.0 0.098 247.1 1945.0 0.106 240.5 1946.0 0.115 234.8 1947.0 0.126 230.1 1948.0 0.137 226.1 1949.0 0.148 222.7 1950.0 0.160 219.8 1951.0 0.173 217.3 1952.0 0.185 215.2 1953.0 0.198 213.3 1954.0 0.211 211.7 1955.0 0.223 210.2 1956.0 0.236 208.9 1957.0 0.250 207.7 1958.0 0.263 206.7 1959.0 0.276 205.7 1960.0 0.289 204.9 1961.0 0.302 204.1 1962.0 0.315 203.4 1963.0 0.328 202.7 1964.0 0.341 202.1 1965.0 0.354 201.5 1966.0 0.367 201.0 1967.0 0.380 200.5 1968.0 0.393 200.0 1969.0 0.406 199.6 1970.0 0.419 199.2 1971.0 0.432 198.8 1972.0 0.445 198.5 1973.0 0.458 198.1 1974.0 0.471 197.8 1975.0 0.483 197.5 1976.0 0.496 197.2 1977.0 0.508 196.9 1978.0 0.521 196.7 1979.0 0.534 196.4 1980.0 0.546 196.2 1981.0 0.558 196.0 1982.0 0.571 195.8 1983.0 0.583 195.5 1984.0 0.595 195.3 1985.0 0.607 195.2 1986.0 0.620 195.0 1987.0 0.632 194.8 1988.0 0.644 194.6 1989.0 0.656 194.5 1990.0 0.668 194.3 1991.0 0.679 194.2 1992.0 0.691 194.0 1993.0 0.703 193.9 1994.0 0.715 193.7 1995.0 0.726 193.6 1996.0 0.738 193.5 1997.0 0.750 193.3 1998.0 0.761 193.2 1999.0 0.772 193.1 2000.0 0.784 193.0 2001.0 0.795 192.9 2002.0 0.806 192.8 2003.0 0.818 192.7 2004.0 0.829 192.6 2005.0 0.840 192.5 2006.0 0.851 192.4 2007.0 0.862 192.3 2008.0 0.873 192.2 2009.0 0.884 192.1 2010.0 0.895 192.0 2011.0 0.905 191.9 2012.0 0.916 191.8 2013.0 0.927 191.8 2014.0 0.937 191.7 2015.0 0.948 191.6 2016.0 0.958 191.5 2017.0 0.969 191.5 2018.0 0.979 191.4 2019.0 0.990 191.3 2020.0 1.000 191.2 2021.0 1.010 191.2 2022.0 1.020 191.1 2023.0 1.030 191.0 2024.0 1.041 191.0 2025.0 1.051 190.9 2026.0 1.061 190.9 2027.0 1.070 190.8 2028.0 1.080 190.7 2029.0 1.090 190.7 2030.0 1.100 190.6 2031.0 1.110 190.6 2032.0 1.119 190.5 2033.0 1.129 190.5 2034.0 1.138 190.4 2035.0 1.148 190.4 2036.0 1.157 190.3 2037.0 1.167 190.2 2038.0 1.176 190.2 2039.0 1.185 190.1 2040.0 1.195 190.1 2041.0 1.204 190.1 2042.0 1.213 190.0 2043.0 1.222 190.0 2044.0 1.231 189.9 2045.0 1.240 189.9 2046.0 1.249 189.8 2047.0 1.258 189.8 2048.0 1.267 189.7 2049.0 1.275 189.7 2050.0 1.284 189.7 2051.0 1.293 189.6 2052.0 1.301 189.6 2053.0 1.310 189.5 2054.0 1.318 189.5 2055.0 1.327 189.5 2056.0 1.335 189.4 2057.0 1.344 189.4 2058.0 1.352 189.3 2059.0 1.360 189.3 2060.0 1.368 189.3 2061.0 1.377 189.2 2062.0 1.385 189.2 2063.0 1.393 189.2 2064.0 1.401 189.1 2065.0 1.409 189.1 2066.0 1.417 189.0 2067.0 1.424 189.0 2068.0 1.432 189.0 2069.0 1.440 188.9 2070.0 1.448 188.9 2071.0 1.455 188.9 2072.0 1.463 188.8 2073.0 1.470 188.8 2074.0 1.478 188.8 2075.0 1.485 188.8 2076.0 1.493 188.7 2077.0 1.500 188.7 2078.0 1.508 188.7 2079.0 1.515 188.6 2080.0 1.522 188.6 2081.0 1.529 188.6 2082.0 1.536 188.5 2083.0 1.543 188.5 2084.0 1.550 188.5 2085.0 1.557 188.5 2086.0 1.564 188.4 2087.0 1.571 188.4 2088.0 1.578 188.4 2089.0 1.585 188.3 2090.0 1.591 188.3 2091.0 1.598 188.3 2092.0 1.605 188.3 2093.0 1.611 188.2 2094.0 1.618 188.2 2095.0 1.624 188.2 2096.0 1.631 188.2 2097.0 1.637 188.1 2098.0 1.643 188.1 2099.0 1.650 188.1 2100.0 1.656 188.1 2101.0 1.662 188.0 2102.0 1.668 188.0 2103.0 1.674 188.0 2104.0 1.680 188.0 2105.0 1.686 187.9 2106.0 1.692 187.9 2107.0 1.698 187.9 2108.0 1.704 187.9 2109.0 1.710 187.8 2110.0 1.715 187.8 2111.0 1.721 187.8 2112.0 1.727 187.8 2113.0 1.732 187.7 2114.0 1.738 187.7 2115.0 1.743 187.7 2116.0 1.749 187.7 2117.0 1.754 187.7 2118.0 1.759 187.6 2119.0 1.765 187.6 2120.0 1.770 187.6 2121.0 1.775 187.6 2122.0 1.780 187.5 2123.0 1.785 187.5 2124.0 1.790 187.5 2125.0 1.795 187.5 2126.0 1.800 187.5 2127.0 1.805 187.4 2128.0 1.810 187.4 2129.0 1.815 187.4 2130.0 1.819 187.4 2131.0 1.824 187.4 2132.0 1.829 187.3 2133.0 1.833 187.3 2134.0 1.838 187.3 2135.0 1.842 187.3 2136.0 1.847 187.3 2137.0 1.851 187.2 2138.0 1.855 187.2 2139.0 1.860 187.2 2140.0 1.864 187.2 2141.0 1.868 187.2 2142.0 1.872 187.1 2143.0 1.876 187.1 2144.0 1.880 187.1 2145.0 1.884 187.1 2146.0 1.888 187.1 2147.0 1.892 187.0 2148.0 1.896 187.0 2149.0 1.900 187.0 2150.0 1.903 187.0 2151.0 1.907 187.0 2152.0 1.911 186.9 2153.0 1.914 186.9 2154.0 1.918 186.9 2155.0 1.921 186.9 2156.0 1.924 186.9 2157.0 1.928 186.8 2158.0 1.931 186.8 2159.0 1.934 186.8 2160.0 1.938 186.8 2161.0 1.941 186.8 2162.0 1.944 186.8 2163.0 1.947 186.7 2164.0 1.950 186.7 2165.0 1.953 186.7 2166.0 1.956 186.7 2167.0 1.958 186.7 2168.0 1.961 186.6 2169.0 1.964 186.6 2170.0 1.967 186.6 2171.0 1.969 186.6 2172.0 1.972 186.6 2173.0 1.974 186.6 2174.0 1.977 186.5 2175.0 1.979 186.5 2176.0 1.981 186.5 2177.0 1.984 186.5 2178.0 1.986 186.5 2179.0 1.988 186.5 2180.0 1.990 186.4 2181.0 1.992 186.4 2182.0 1.994 186.4 2183.0 1.996 186.4 2184.0 1.998 186.4 2185.0 2.000 186.4 2186.0 2.002 186.3 2187.0 2.003 186.3 2188.0 2.005 186.3 2189.0 2.007 186.3 2190.0 2.008 186.3 2191.0 2.010 186.2 2192.0 2.011 186.2 2193.0 2.013 186.2 2194.0 2.014 186.2 2195.0 2.015 186.2 2196.0 2.016 186.2 2197.0 2.018 186.1 2198.0 2.019 186.1 2199.0 2.020 186.1 2200.0 2.021 186.1 2201.0 2.022 186.1 2202.0 2.023 186.1 2203.0 2.023 186.0 2204.0 2.024 186.0 2205.0 2.025 186.0 2206.0 2.025 186.0 2207.0 2.026 186.0 2208.0 2.027 186.0 2209.0 2.027 185.9 2210.0 2.027 185.9 2211.0 2.028 185.9 2212.0 2.028 185.9 2213.0 2.028 185.9 2214.0 2.028 185.9 2215.0 2.028 185.8 2216.0 2.028 185.8 2217.0 2.028 185.8 2218.0 2.028 185.8 2219.0 2.028 185.8 2220.0 2.028 185.8 2221.0 2.028 185.7 2222.0 2.027 185.7 2223.0 2.027 185.7 2224.0 2.026 185.7 2225.0 2.026 185.7 2226.0 2.025 185.7 2227.0 2.024 185.6 2228.0 2.024 185.6 2229.0 2.023 185.6 2230.0 2.022 185.6 2231.0 2.021 185.6 2232.0 2.020 185.6 2233.0 2.019 185.5 2234.0 2.018 185.5 2235.0 2.017 185.5 2236.0 2.015 185.5 2237.0 2.014 185.5 2238.0 2.013 185.5 2239.0 2.011 185.4 2240.0 2.009 185.4 2241.0 2.008 185.4 2242.0 2.006 185.4 2243.0 2.004 185.4 2244.0 2.003 185.4 2245.0 2.001 185.3 2246.0 1.999 185.3 2247.0 1.997 185.3 2248.0 1.994 185.3 2249.0 1.992 185.3 2250.0 1.990 185.3 2251.0 1.988 185.2 2252.0 1.985 185.2 2253.0 1.983 185.2 2254.0 1.980 185.2 2255.0 1.977 185.2 2256.0 1.975 185.1 2257.0 1.972 185.1 2258.0 1.969 185.1 2259.0 1.966 185.1 2260.0 1.963 185.1 2261.0 1.960 185.1 2262.0 1.957 185.0 2263.0 1.953 185.0 2264.0 1.950 185.0 2265.0 1.946 185.0 2266.0 1.943 185.0 2267.0 1.939 185.0 2268.0 1.936 184.9 2269.0 1.932 184.9 2270.0 1.928 184.9 2271.0 1.924 184.9 2272.0 1.920 184.9 2273.0 1.916 184.8