| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:57:26 |
| WDS: | AC11 | WDS ID/Discoverer |
| P: | 440.600 | Orbital period (years) |
| a: | 0.77 | Semi-major axis (arcseconds) |
| i: | 93.3 | Inclination (degrees) |
| Ω: | 176.3 | Longitude of ascending node (degrees) |
| T: | 1888.700 | Epoch of periastron passage (year) |
| e: | 0.47 | Eccentricity |
| ω: | 55.8 | Longitude of periastron (degrees) |
| Start-Year: | 1805.0 | Year |
| End-Year: | 2245.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 182457.21-013445.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18250-0135 | WDS designation |
| Discoverer Code: | AC11 | Discover designation and components |
| ADS number: | 11324 | Aitken Double Star catalog |
| HD number: | 169493 | HD catalog number |
| Hipparcos number: | 90253 | Hipparcos catalog number |
| V1: | 6.71 | Magnitude of the primary |
| V2: | 7.21 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2021 | 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 0.912 354.7 ------------------------- 1805.0 0.320 183.9 1806.0 0.326 183.7 1807.0 0.333 183.5 1808.0 0.339 183.2 1809.0 0.345 183.0 1810.0 0.352 182.8 1811.0 0.358 182.6 1812.0 0.364 182.4 1813.0 0.370 182.3 1814.0 0.376 182.1 1815.0 0.382 181.9 1816.0 0.387 181.7 1817.0 0.393 181.6 1818.0 0.399 181.4 1819.0 0.404 181.3 1820.0 0.410 181.1 1821.0 0.415 181.0 1822.0 0.420 180.8 1823.0 0.425 180.7 1824.0 0.430 180.6 1825.0 0.435 180.4 1826.0 0.440 180.3 1827.0 0.445 180.2 1828.0 0.449 180.1 1829.0 0.454 179.9 1830.0 0.458 179.8 1831.0 0.462 179.7 1832.0 0.466 179.6 1833.0 0.470 179.5 1834.0 0.474 179.4 1835.0 0.477 179.3 1836.0 0.480 179.2 1837.0 0.484 179.0 1838.0 0.487 178.9 1839.0 0.489 178.8 1840.0 0.492 178.7 1841.0 0.494 178.6 1842.0 0.497 178.5 1843.0 0.499 178.4 1844.0 0.500 178.3 1845.0 0.502 178.2 1846.0 0.503 178.1 1847.0 0.504 178.0 1848.0 0.505 177.9 1849.0 0.506 177.9 1850.0 0.506 177.8 1851.0 0.506 177.7 1852.0 0.506 177.6 1853.0 0.505 177.5 1854.0 0.504 177.4 1855.0 0.503 177.3 1856.0 0.502 177.2 1857.0 0.500 177.1 1858.0 0.498 177.0 1859.0 0.495 176.9 1860.0 0.492 176.8 1861.0 0.489 176.7 1862.0 0.486 176.6 1863.0 0.482 176.5 1864.0 0.477 176.4 1865.0 0.472 176.3 1866.0 0.467 176.1 1867.0 0.462 176.0 1868.0 0.455 175.9 1869.0 0.449 175.8 1870.0 0.442 175.7 1871.0 0.435 175.5 1872.0 0.427 175.4 1873.0 0.418 175.3 1874.0 0.410 175.1 1875.0 0.400 175.0 1876.0 0.391 174.8 1877.0 0.381 174.6 1878.0 0.370 174.5 1879.0 0.359 174.3 1880.0 0.347 174.1 1881.0 0.335 173.9 1882.0 0.323 173.7 1883.0 0.310 173.4 1884.0 0.297 173.1 1885.0 0.284 172.8 1886.0 0.270 172.5 1887.0 0.255 172.2 1888.0 0.241 171.8 1889.0 0.226 171.3 1890.0 0.210 170.8 1891.0 0.195 170.2 1892.0 0.179 169.5 1893.0 0.163 168.7 1894.0 0.147 167.6 1895.0 0.131 166.3 1896.0 0.114 164.7 1897.0 0.098 162.5 1898.0 0.082 159.4 1899.0 0.066 154.8 1900.0 0.050 147.3 1901.0 0.036 133.7 1902.0 0.026 107.1 1903.0 0.026 68.8 1904.0 0.036 41.3 1905.0 0.049 27.1 1906.0 0.065 19.4 1907.0 0.081 14.6 1908.0 0.097 11.5 1909.0 0.114 9.3 1910.0 0.130 7.6 1911.0 0.147 6.3 1912.0 0.163 5.3 1913.0 0.179 4.4 1914.0 0.195 3.7 1915.0 0.211 3.1 1916.0 0.227 2.6 1917.0 0.243 2.2 1918.0 0.258 1.8 1919.0 0.274 1.4 1920.0 0.289 1.1 1921.0 0.304 0.9 1922.0 0.319 0.6 1923.0 0.333 0.4 1924.0 0.347 0.2 1925.0 0.362 360.0 1926.0 0.375 359.8 1927.0 0.389 359.6 1928.0 0.403 359.5 1929.0 0.416 359.3 1930.0 0.429 359.2 1931.0 0.442 359.0 1932.0 0.455 358.9 1933.0 0.467 358.8 1934.0 0.479 358.7 1935.0 0.491 358.6 1936.0 0.503 358.5 1937.0 0.515 358.4 1938.0 0.526 358.3 1939.0 0.537 358.2 1940.0 0.548 358.1 1941.0 0.559 358.0 1942.0 0.569 358.0 1943.0 0.580 357.9 1944.0 0.590 357.8 1945.0 0.600 357.8 1946.0 0.610 357.7 1947.0 0.619 357.6 1948.0 0.628 357.6 1949.0 0.638 357.5 1950.0 0.647 357.4 1951.0 0.655 357.4 1952.0 0.664 357.3 1953.0 0.672 357.3 1954.0 0.681 357.2 1955.0 0.689 357.2 1956.0 0.697 357.1 1957.0 0.704 357.1 1958.0 0.712 357.0 1959.0 0.719 357.0 1960.0 0.726 356.9 1961.0 0.733 356.9 1962.0 0.740 356.8 1963.0 0.747 356.8 1964.0 0.754 356.7 1965.0 0.760 356.7 1966.0 0.766 356.7 1967.0 0.772 356.6 1968.0 0.778 356.6 1969.0 0.784 356.5 1970.0 0.790 356.5 1971.0 0.795 356.4 1972.0 0.800 356.4 1973.0 0.806 356.4 1974.0 0.811 356.3 1975.0 0.816 356.3 1976.0 0.820 356.3 1977.0 0.825 356.2 1978.0 0.829 356.2 1979.0 0.834 356.2 1980.0 0.838 356.1 1981.0 0.842 356.1 1982.0 0.846 356.0 1983.0 0.850 356.0 1984.0 0.854 356.0 1985.0 0.857 355.9 1986.0 0.861 355.9 1987.0 0.864 355.9 1988.0 0.867 355.8 1989.0 0.870 355.8 1990.0 0.873 355.8 1991.0 0.876 355.8 1992.0 0.879 355.7 1993.0 0.881 355.7 1994.0 0.884 355.7 1995.0 0.886 355.6 1996.0 0.889 355.6 1997.0 0.891 355.6 1998.0 0.893 355.5 1999.0 0.895 355.5 2000.0 0.897 355.5 2001.0 0.898 355.4 2002.0 0.900 355.4 2003.0 0.902 355.4 2004.0 0.903 355.3 2005.0 0.904 355.3 2006.0 0.906 355.3 2007.0 0.907 355.3 2008.0 0.908 355.2 2009.0 0.909 355.2 2010.0 0.910 355.2 2011.0 0.910 355.1 2012.0 0.911 355.1 2013.0 0.912 355.1 2014.0 0.912 355.0 2015.0 0.912 355.0 2016.0 0.913 355.0 2017.0 0.913 355.0 2018.0 0.913 354.9 2019.0 0.913 354.9 2020.0 0.913 354.9 2021.0 0.913 354.8 2022.0 0.913 354.8 2023.0 0.912 354.8 2024.0 0.912 354.8 2025.0 0.912 354.7 2026.0 0.911 354.7 2027.0 0.910 354.7 2028.0 0.910 354.6 2029.0 0.909 354.6 2030.0 0.908 354.6 2031.0 0.907 354.5 2032.0 0.906 354.5 2033.0 0.905 354.5 2034.0 0.904 354.5 2035.0 0.902 354.4 2036.0 0.901 354.4 2037.0 0.900 354.4 2038.0 0.898 354.3 2039.0 0.897 354.3 2040.0 0.895 354.3 2041.0 0.893 354.2 2042.0 0.892 354.2 2043.0 0.890 354.2 2044.0 0.888 354.1 2045.0 0.886 354.1 2046.0 0.884 354.1 2047.0 0.882 354.1 2048.0 0.879 354.0 2049.0 0.877 354.0 2050.0 0.875 354.0 2051.0 0.872 353.9 2052.0 0.870 353.9 2053.0 0.868 353.9 2054.0 0.865 353.8 2055.0 0.862 353.8 2056.0 0.860 353.8 2057.0 0.857 353.7 2058.0 0.854 353.7 2059.0 0.851 353.7 2060.0 0.848 353.6 2061.0 0.845 353.6 2062.0 0.842 353.6 2063.0 0.839 353.5 2064.0 0.836 353.5 2065.0 0.833 353.5 2066.0 0.829 353.4 2067.0 0.826 353.4 2068.0 0.822 353.3 2069.0 0.819 353.3 2070.0 0.815 353.3 2071.0 0.812 353.2 2072.0 0.808 353.2 2073.0 0.805 353.2 2074.0 0.801 353.1 2075.0 0.797 353.1 2076.0 0.793 353.0 2077.0 0.789 353.0 2078.0 0.785 353.0 2079.0 0.781 352.9 2080.0 0.777 352.9 2081.0 0.773 352.8 2082.0 0.769 352.8 2083.0 0.765 352.8 2084.0 0.760 352.7 2085.0 0.756 352.7 2086.0 0.752 352.6 2087.0 0.747 352.6 2088.0 0.743 352.5 2089.0 0.738 352.5 2090.0 0.734 352.5 2091.0 0.729 352.4 2092.0 0.724 352.4 2093.0 0.720 352.3 2094.0 0.715 352.3 2095.0 0.710 352.2 2096.0 0.705 352.2 2097.0 0.700 352.1 2098.0 0.696 352.1 2099.0 0.691 352.0 2100.0 0.686 352.0 2101.0 0.681 351.9 2102.0 0.675 351.9 2103.0 0.670 351.8 2104.0 0.665 351.7 2105.0 0.660 351.7 2106.0 0.655 351.6 2107.0 0.649 351.6 2108.0 0.644 351.5 2109.0 0.639 351.5 2110.0 0.633 351.4 2111.0 0.628 351.3 2112.0 0.622 351.3 2113.0 0.617 351.2 2114.0 0.611 351.1 2115.0 0.605 351.1 2116.0 0.600 351.0 2117.0 0.594 350.9 2118.0 0.588 350.9 2119.0 0.582 350.8 2120.0 0.577 350.7 2121.0 0.571 350.6 2122.0 0.565 350.6 2123.0 0.559 350.5 2124.0 0.553 350.4 2125.0 0.547 350.3 2126.0 0.541 350.3 2127.0 0.535 350.2 2128.0 0.529 350.1 2129.0 0.523 350.0 2130.0 0.516 349.9 2131.0 0.510 349.8 2132.0 0.504 349.7 2133.0 0.498 349.6 2134.0 0.492 349.5 2135.0 0.485 349.4 2136.0 0.479 349.3 2137.0 0.472 349.2 2138.0 0.466 349.1 2139.0 0.460 349.0 2140.0 0.453 348.8 2141.0 0.447 348.7 2142.0 0.440 348.6 2143.0 0.434 348.5 2144.0 0.427 348.3 2145.0 0.420 348.2 2146.0 0.414 348.1 2147.0 0.407 347.9 2148.0 0.400 347.8 2149.0 0.394 347.6 2150.0 0.387 347.4 2151.0 0.380 347.3 2152.0 0.373 347.1 2153.0 0.367 346.9 2154.0 0.360 346.7 2155.0 0.353 346.5 2156.0 0.346 346.3 2157.0 0.339 346.1 2158.0 0.332 345.9 2159.0 0.325 345.7 2160.0 0.318 345.4 2161.0 0.312 345.2 2162.0 0.305 344.9 2163.0 0.298 344.7 2164.0 0.291 344.4 2165.0 0.284 344.1 2166.0 0.276 343.8 2167.0 0.269 343.4 2168.0 0.262 343.1 2169.0 0.255 342.7 2170.0 0.248 342.3 2171.0 0.241 341.9 2172.0 0.234 341.5 2173.0 0.227 341.0 2174.0 0.220 340.5 2175.0 0.213 340.0 2176.0 0.206 339.4 2177.0 0.199 338.8 2178.0 0.192 338.2 2179.0 0.185 337.5 2180.0 0.177 336.8 2181.0 0.170 335.9 2182.0 0.163 335.1 2183.0 0.156 334.1 2184.0 0.150 333.0 2185.0 0.143 331.9 2186.0 0.136 330.6 2187.0 0.129 329.2 2188.0 0.122 327.6 2189.0 0.116 325.9 2190.0 0.109 324.0 2191.0 0.103 321.8 2192.0 0.097 319.3 2193.0 0.091 316.5 2194.0 0.085 313.3 2195.0 0.079 309.6 2196.0 0.074 305.4 2197.0 0.069 300.6 2198.0 0.065 295.2 2199.0 0.062 289.1 2200.0 0.059 282.4 2201.0 0.057 275.1 2202.0 0.057 267.5 2203.0 0.057 259.8 2204.0 0.058 252.3 2205.0 0.060 245.1 2206.0 0.063 238.6 2207.0 0.067 232.7 2208.0 0.071 227.5 2209.0 0.076 222.9 2210.0 0.081 218.9 2211.0 0.087 215.4 2212.0 0.092 212.3 2213.0 0.099 209.6 2214.0 0.105 207.2 2215.0 0.111 205.1 2216.0 0.118 203.2 2217.0 0.124 201.6 2218.0 0.131 200.0 2219.0 0.138 198.7 2220.0 0.145 197.4 2221.0 0.152 196.3 2222.0 0.158 195.3 2223.0 0.165 194.4 2224.0 0.172 193.5 2225.0 0.179 192.7 2226.0 0.186 192.0 2227.0 0.193 191.3 2228.0 0.200 190.6 2229.0 0.207 190.1 2230.0 0.214 189.5 2231.0 0.221 189.0 2232.0 0.228 188.5 2233.0 0.235 188.0 2234.0 0.242 187.6 2235.0 0.249 187.2 2236.0 0.256 186.8 2237.0 0.263 186.4 2238.0 0.269 186.1 2239.0 0.276 185.8 2240.0 0.283 185.4 2241.0 0.290 185.1 2242.0 0.296 184.9 2243.0 0.303 184.6 2244.0 0.310 184.3