| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:50:28 |
| WDS: | AC2AB | WDS ID/Discoverer |
| P: | 385.879 | Orbital period (years) |
| a: | 1.17441 | Semi-major axis (arcseconds) |
| i: | 64.035 | Inclination (degrees) |
| Ω: | 68.018 | Longitude of ascending node (degrees) |
| T: | 1889.510 | Epoch of periastron passage (year) |
| e: | 0.21372 | Eccentricity |
| ω: | 69.87 | Longitude of periastron (degrees) |
| Start-Year: | 1833.0 | Year |
| End-Year: | 2217.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 031822.43-005549.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03184-0056 | WDS designation |
| Discoverer Code: | AC2AB | Discover designation and components |
| ADS number: | 2459 | Aitken Double Star catalog |
| HD number: | 20559 | HD catalog number |
| Hipparcos number: | 15383 | Hipparcos catalog number |
| V1: | 5.60 | Magnitude of the primary |
| V2: | 7.97 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 1.178 263.9 ------------------------- 1833.0 1.059 65.6 1834.0 1.057 66.1 1835.0 1.054 66.6 1836.0 1.051 67.1 1837.0 1.047 67.6 1838.0 1.043 68.1 1839.0 1.039 68.6 1840.0 1.035 69.1 1841.0 1.030 69.6 1842.0 1.025 70.2 1843.0 1.019 70.7 1844.0 1.014 71.2 1845.0 1.008 71.8 1846.0 1.001 72.3 1847.0 0.994 72.9 1848.0 0.987 73.4 1849.0 0.980 74.0 1850.0 0.972 74.6 1851.0 0.964 75.2 1852.0 0.956 75.8 1853.0 0.948 76.4 1854.0 0.939 77.0 1855.0 0.929 77.6 1856.0 0.920 78.3 1857.0 0.910 78.9 1858.0 0.900 79.6 1859.0 0.889 80.3 1860.0 0.879 81.0 1861.0 0.868 81.7 1862.0 0.856 82.4 1863.0 0.845 83.2 1864.0 0.833 84.0 1865.0 0.821 84.8 1866.0 0.809 85.6 1867.0 0.796 86.5 1868.0 0.784 87.4 1869.0 0.771 88.3 1870.0 0.758 89.2 1871.0 0.744 90.2 1872.0 0.731 91.2 1873.0 0.717 92.2 1874.0 0.703 93.3 1875.0 0.690 94.5 1876.0 0.676 95.6 1877.0 0.662 96.9 1878.0 0.648 98.2 1879.0 0.634 99.5 1880.0 0.620 100.9 1881.0 0.606 102.4 1882.0 0.592 103.9 1883.0 0.578 105.5 1884.0 0.565 107.2 1885.0 0.551 109.0 1886.0 0.538 110.8 1887.0 0.526 112.8 1888.0 0.513 114.8 1889.0 0.501 117.0 1890.0 0.489 119.2 1891.0 0.478 121.5 1892.0 0.468 124.0 1893.0 0.458 126.6 1894.0 0.449 129.2 1895.0 0.441 132.0 1896.0 0.433 134.9 1897.0 0.427 137.9 1898.0 0.421 141.0 1899.0 0.416 144.1 1900.0 0.413 147.3 1901.0 0.410 150.6 1902.0 0.409 153.8 1903.0 0.409 157.1 1904.0 0.409 160.4 1905.0 0.411 163.7 1906.0 0.415 166.9 1907.0 0.419 170.1 1908.0 0.424 173.2 1909.0 0.430 176.2 1910.0 0.437 179.1 1911.0 0.446 182.0 1912.0 0.454 184.7 1913.0 0.464 187.3 1914.0 0.474 189.8 1915.0 0.485 192.2 1916.0 0.497 194.5 1917.0 0.509 196.6 1918.0 0.521 198.7 1919.0 0.534 200.7 1920.0 0.547 202.6 1921.0 0.561 204.4 1922.0 0.575 206.1 1923.0 0.589 207.7 1924.0 0.603 209.3 1925.0 0.617 210.7 1926.0 0.632 212.1 1927.0 0.646 213.5 1928.0 0.661 214.8 1929.0 0.676 216.0 1930.0 0.690 217.2 1931.0 0.705 218.3 1932.0 0.720 219.4 1933.0 0.734 220.4 1934.0 0.749 221.4 1935.0 0.763 222.4 1936.0 0.777 223.3 1937.0 0.792 224.2 1938.0 0.806 225.1 1939.0 0.820 225.9 1940.0 0.833 226.7 1941.0 0.847 227.5 1942.0 0.860 228.3 1943.0 0.874 229.0 1944.0 0.887 229.7 1945.0 0.900 230.4 1946.0 0.912 231.1 1947.0 0.925 231.7 1948.0 0.937 232.4 1949.0 0.949 233.0 1950.0 0.961 233.6 1951.0 0.973 234.2 1952.0 0.984 234.7 1953.0 0.995 235.3 1954.0 1.006 235.9 1955.0 1.017 236.4 1956.0 1.027 236.9 1957.0 1.037 237.4 1958.0 1.047 237.9 1959.0 1.057 238.4 1960.0 1.066 238.9 1961.0 1.076 239.4 1962.0 1.085 239.9 1963.0 1.093 240.4 1964.0 1.102 240.8 1965.0 1.110 241.3 1966.0 1.118 241.7 1967.0 1.126 242.1 1968.0 1.133 242.6 1969.0 1.140 243.0 1970.0 1.147 243.4 1971.0 1.154 243.8 1972.0 1.160 244.2 1973.0 1.167 244.6 1974.0 1.172 245.1 1975.0 1.178 245.5 1976.0 1.184 245.8 1977.0 1.189 246.2 1978.0 1.194 246.6 1979.0 1.198 247.0 1980.0 1.203 247.4 1981.0 1.207 247.8 1982.0 1.211 248.1 1983.0 1.215 248.5 1984.0 1.218 248.9 1985.0 1.222 249.3 1986.0 1.225 249.6 1987.0 1.227 250.0 1988.0 1.230 250.4 1989.0 1.232 250.7 1990.0 1.234 251.1 1991.0 1.236 251.4 1992.0 1.238 251.8 1993.0 1.239 252.2 1994.0 1.240 252.5 1995.0 1.241 252.9 1996.0 1.242 253.2 1997.0 1.243 253.6 1998.0 1.243 253.9 1999.0 1.243 254.3 2000.0 1.243 254.7 2001.0 1.243 255.0 2002.0 1.242 255.4 2003.0 1.241 255.7 2004.0 1.240 256.1 2005.0 1.239 256.4 2006.0 1.238 256.8 2007.0 1.236 257.2 2008.0 1.235 257.5 2009.0 1.233 257.9 2010.0 1.231 258.3 2011.0 1.228 258.6 2012.0 1.226 259.0 2013.0 1.223 259.3 2014.0 1.221 259.7 2015.0 1.218 260.1 2016.0 1.214 260.5 2017.0 1.211 260.8 2018.0 1.208 261.2 2019.0 1.204 261.6 2020.0 1.200 262.0 2021.0 1.196 262.4 2022.0 1.192 262.7 2023.0 1.188 263.1 2024.0 1.183 263.5 2025.0 1.178 263.9 2026.0 1.174 264.3 2027.0 1.169 264.7 2028.0 1.164 265.1 2029.0 1.159 265.5 2030.0 1.153 265.9 2031.0 1.148 266.4 2032.0 1.142 266.8 2033.0 1.136 267.2 2034.0 1.131 267.6 2035.0 1.125 268.1 2036.0 1.118 268.5 2037.0 1.112 268.9 2038.0 1.106 269.4 2039.0 1.099 269.8 2040.0 1.093 270.3 2041.0 1.086 270.8 2042.0 1.080 271.2 2043.0 1.073 271.7 2044.0 1.066 272.2 2045.0 1.059 272.7 2046.0 1.051 273.2 2047.0 1.044 273.7 2048.0 1.037 274.2 2049.0 1.030 274.7 2050.0 1.022 275.2 2051.0 1.015 275.7 2052.0 1.007 276.3 2053.0 0.999 276.8 2054.0 0.992 277.4 2055.0 0.984 278.0 2056.0 0.976 278.5 2057.0 0.968 279.1 2058.0 0.960 279.7 2059.0 0.952 280.3 2060.0 0.944 280.9 2061.0 0.936 281.5 2062.0 0.928 282.2 2063.0 0.920 282.8 2064.0 0.912 283.5 2065.0 0.903 284.1 2066.0 0.895 284.8 2067.0 0.887 285.5 2068.0 0.879 286.2 2069.0 0.871 286.9 2070.0 0.863 287.7 2071.0 0.854 288.4 2072.0 0.846 289.2 2073.0 0.838 290.0 2074.0 0.830 290.7 2075.0 0.822 291.6 2076.0 0.814 292.4 2077.0 0.806 293.2 2078.0 0.798 294.1 2079.0 0.791 294.9 2080.0 0.783 295.8 2081.0 0.775 296.7 2082.0 0.768 297.7 2083.0 0.760 298.6 2084.0 0.753 299.6 2085.0 0.745 300.5 2086.0 0.738 301.5 2087.0 0.731 302.6 2088.0 0.724 303.6 2089.0 0.717 304.7 2090.0 0.711 305.7 2091.0 0.704 306.8 2092.0 0.698 308.0 2093.0 0.692 309.1 2094.0 0.686 310.3 2095.0 0.680 311.4 2096.0 0.674 312.6 2097.0 0.669 313.9 2098.0 0.664 315.1 2099.0 0.659 316.4 2100.0 0.654 317.6 2101.0 0.649 318.9 2102.0 0.645 320.3 2103.0 0.641 321.6 2104.0 0.637 322.9 2105.0 0.634 324.3 2106.0 0.630 325.7 2107.0 0.627 327.1 2108.0 0.625 328.5 2109.0 0.622 329.9 2110.0 0.620 331.3 2111.0 0.618 332.7 2112.0 0.617 334.2 2113.0 0.615 335.6 2114.0 0.614 337.1 2115.0 0.614 338.6 2116.0 0.613 340.0 2117.0 0.613 341.5 2118.0 0.613 342.9 2119.0 0.614 344.4 2120.0 0.615 345.9 2121.0 0.616 347.3 2122.0 0.617 348.8 2123.0 0.619 350.2 2124.0 0.621 351.6 2125.0 0.624 353.1 2126.0 0.626 354.5 2127.0 0.629 355.9 2128.0 0.632 357.2 2129.0 0.635 358.6 2130.0 0.639 360.0 2131.0 0.643 1.3 2132.0 0.647 2.6 2133.0 0.652 3.9 2134.0 0.656 5.2 2135.0 0.661 6.5 2136.0 0.666 7.7 2137.0 0.671 9.0 2138.0 0.677 10.2 2139.0 0.682 11.4 2140.0 0.688 12.6 2141.0 0.694 13.7 2142.0 0.700 14.8 2143.0 0.706 16.0 2144.0 0.713 17.0 2145.0 0.719 18.1 2146.0 0.726 19.2 2147.0 0.732 20.2 2148.0 0.739 21.2 2149.0 0.746 22.2 2150.0 0.753 23.2 2151.0 0.760 24.2 2152.0 0.767 25.1 2153.0 0.775 26.0 2154.0 0.782 26.9 2155.0 0.789 27.8 2156.0 0.796 28.7 2157.0 0.804 29.6 2158.0 0.811 30.4 2159.0 0.819 31.2 2160.0 0.826 32.1 2161.0 0.833 32.9 2162.0 0.841 33.6 2163.0 0.848 34.4 2164.0 0.856 35.2 2165.0 0.863 35.9 2166.0 0.870 36.7 2167.0 0.878 37.4 2168.0 0.885 38.1 2169.0 0.892 38.8 2170.0 0.899 39.5 2171.0 0.906 40.1 2172.0 0.913 40.8 2173.0 0.920 41.5 2174.0 0.927 42.1 2175.0 0.933 42.7 2176.0 0.940 43.4 2177.0 0.947 44.0 2178.0 0.953 44.6 2179.0 0.959 45.2 2180.0 0.965 45.8 2181.0 0.972 46.4 2182.0 0.977 47.0 2183.0 0.983 47.5 2184.0 0.989 48.1 2185.0 0.994 48.7 2186.0 1.000 49.2 2187.0 1.005 49.8 2188.0 1.010 50.3 2189.0 1.015 50.8 2190.0 1.020 51.4 2191.0 1.024 51.9 2192.0 1.028 52.4 2193.0 1.033 52.9 2194.0 1.036 53.5 2195.0 1.040 54.0 2196.0 1.044 54.5 2197.0 1.047 55.0 2198.0 1.050 55.5 2199.0 1.053 56.0 2200.0 1.056 56.5 2201.0 1.058 57.0 2202.0 1.061 57.5 2203.0 1.063 57.9 2204.0 1.064 58.4 2205.0 1.066 58.9 2206.0 1.067 59.4 2207.0 1.068 59.9 2208.0 1.069 60.4 2209.0 1.069 60.8 2210.0 1.070 61.3 2211.0 1.070 61.8 2212.0 1.069 62.3 2213.0 1.069 62.8 2214.0 1.068 63.3 2215.0 1.067 63.7 2216.0 1.065 64.2