| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:06:20 |
| WDS: | STF1554 | WDS ID/Discoverer |
| P: | 478.880 | Orbital period (years) |
| a: | 0.868 | Semi-major axis (arcseconds) |
| i: | 74.8 | Inclination (degrees) |
| Ω: | 84.6 | Longitude of ascending node (degrees) |
| T: | 1962.440 | Epoch of periastron passage (year) |
| e: | 0.902 | Eccentricity |
| ω: | 308.6 | Longitude of periastron (degrees) |
| Start-Year: | 1786.0 | Year |
| End-Year: | 2264.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 113606.78+125118.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11361+1251 | WDS designation |
| Discoverer Code: | STF1554 | Discover designation and components |
| ADS number: | 8230 | Aitken Double Star catalog |
| HD number: | 100797 | HD catalog number |
| Hipparcos number: | 56589 | Hipparcos catalog number |
| V1: | 9.44 | Magnitude of the primary |
| V2: | 9.63 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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 0.370 222.8 ------------------------- 1786.0 1.142 249.6 1787.0 1.142 249.7 1788.0 1.142 249.7 1789.0 1.142 249.8 1790.0 1.142 249.8 1791.0 1.142 249.9 1792.0 1.141 249.9 1793.0 1.141 250.0 1794.0 1.141 250.0 1795.0 1.141 250.1 1796.0 1.140 250.1 1797.0 1.140 250.2 1798.0 1.139 250.2 1799.0 1.139 250.3 1800.0 1.139 250.3 1801.0 1.138 250.4 1802.0 1.138 250.4 1803.0 1.137 250.5 1804.0 1.136 250.5 1805.0 1.136 250.6 1806.0 1.135 250.6 1807.0 1.134 250.7 1808.0 1.134 250.7 1809.0 1.133 250.8 1810.0 1.132 250.8 1811.0 1.131 250.9 1812.0 1.130 250.9 1813.0 1.129 251.0 1814.0 1.128 251.0 1815.0 1.127 251.1 1816.0 1.126 251.1 1817.0 1.125 251.2 1818.0 1.124 251.2 1819.0 1.123 251.3 1820.0 1.122 251.3 1821.0 1.121 251.4 1822.0 1.119 251.4 1823.0 1.118 251.5 1824.0 1.117 251.5 1825.0 1.115 251.6 1826.0 1.114 251.6 1827.0 1.113 251.7 1828.0 1.111 251.7 1829.0 1.109 251.8 1830.0 1.108 251.8 1831.0 1.106 251.9 1832.0 1.105 251.9 1833.0 1.103 252.0 1834.0 1.101 252.0 1835.0 1.099 252.1 1836.0 1.097 252.1 1837.0 1.096 252.2 1838.0 1.094 252.3 1839.0 1.092 252.3 1840.0 1.090 252.4 1841.0 1.088 252.4 1842.0 1.085 252.5 1843.0 1.083 252.5 1844.0 1.081 252.6 1845.0 1.079 252.6 1846.0 1.077 252.7 1847.0 1.074 252.7 1848.0 1.072 252.8 1849.0 1.069 252.9 1850.0 1.067 252.9 1851.0 1.064 253.0 1852.0 1.062 253.0 1853.0 1.059 253.1 1854.0 1.056 253.1 1855.0 1.054 253.2 1856.0 1.051 253.3 1857.0 1.048 253.3 1858.0 1.045 253.4 1859.0 1.042 253.4 1860.0 1.039 253.5 1861.0 1.036 253.6 1862.0 1.033 253.6 1863.0 1.030 253.7 1864.0 1.026 253.7 1865.0 1.023 253.8 1866.0 1.020 253.9 1867.0 1.016 253.9 1868.0 1.013 254.0 1869.0 1.009 254.0 1870.0 1.006 254.1 1871.0 1.002 254.2 1872.0 0.998 254.2 1873.0 0.994 254.3 1874.0 0.991 254.4 1875.0 0.987 254.4 1876.0 0.983 254.5 1877.0 0.979 254.6 1878.0 0.974 254.6 1879.0 0.970 254.7 1880.0 0.966 254.8 1881.0 0.962 254.8 1882.0 0.957 254.9 1883.0 0.953 255.0 1884.0 0.948 255.0 1885.0 0.944 255.1 1886.0 0.939 255.2 1887.0 0.934 255.3 1888.0 0.929 255.3 1889.0 0.924 255.4 1890.0 0.919 255.5 1891.0 0.914 255.6 1892.0 0.909 255.6 1893.0 0.904 255.7 1894.0 0.898 255.8 1895.0 0.893 255.9 1896.0 0.887 256.0 1897.0 0.881 256.0 1898.0 0.876 256.1 1899.0 0.870 256.2 1900.0 0.864 256.3 1901.0 0.858 256.4 1902.0 0.852 256.5 1903.0 0.845 256.6 1904.0 0.839 256.6 1905.0 0.832 256.7 1906.0 0.826 256.8 1907.0 0.819 256.9 1908.0 0.812 257.0 1909.0 0.805 257.1 1910.0 0.798 257.2 1911.0 0.791 257.3 1912.0 0.784 257.4 1913.0 0.776 257.5 1914.0 0.769 257.6 1915.0 0.761 257.7 1916.0 0.753 257.9 1917.0 0.745 258.0 1918.0 0.737 258.1 1919.0 0.728 258.2 1920.0 0.720 258.3 1921.0 0.711 258.5 1922.0 0.702 258.6 1923.0 0.693 258.7 1924.0 0.684 258.9 1925.0 0.674 259.0 1926.0 0.665 259.1 1927.0 0.655 259.3 1928.0 0.645 259.4 1929.0 0.634 259.6 1930.0 0.624 259.8 1931.0 0.613 259.9 1932.0 0.602 260.1 1933.0 0.591 260.3 1934.0 0.579 260.5 1935.0 0.567 260.7 1936.0 0.555 260.9 1937.0 0.542 261.1 1938.0 0.530 261.3 1939.0 0.516 261.5 1940.0 0.503 261.8 1941.0 0.489 262.0 1942.0 0.474 262.3 1943.0 0.459 262.6 1944.0 0.444 262.9 1945.0 0.428 263.3 1946.0 0.411 263.6 1947.0 0.394 264.0 1948.0 0.376 264.5 1949.0 0.357 264.9 1950.0 0.337 265.5 1951.0 0.317 266.1 1952.0 0.295 266.8 1953.0 0.272 267.5 1954.0 0.248 268.5 1955.0 0.222 269.7 1956.0 0.195 271.1 1957.0 0.165 273.1 1958.0 0.132 276.1 1959.0 0.097 281.0 1960.0 0.060 292.0 1961.0 0.027 334.4 1962.0 0.041 54.0 1963.0 0.074 75.0 1964.0 0.100 83.5 1965.0 0.116 88.9 1966.0 0.125 93.3 1967.0 0.130 97.2 1968.0 0.132 101.0 1969.0 0.133 104.6 1970.0 0.133 108.2 1971.0 0.132 111.9 1972.0 0.130 115.6 1973.0 0.129 119.5 1974.0 0.128 123.4 1975.0 0.126 127.3 1976.0 0.126 131.4 1977.0 0.125 135.5 1978.0 0.125 139.6 1979.0 0.125 143.7 1980.0 0.126 147.8 1981.0 0.127 151.8 1982.0 0.128 155.7 1983.0 0.130 159.6 1984.0 0.133 163.3 1985.0 0.136 166.9 1986.0 0.139 170.3 1987.0 0.142 173.5 1988.0 0.146 176.6 1989.0 0.151 179.5 1990.0 0.155 182.2 1991.0 0.160 184.8 1992.0 0.165 187.3 1993.0 0.170 189.5 1994.0 0.175 191.7 1995.0 0.181 193.7 1996.0 0.187 195.6 1997.0 0.192 197.4 1998.0 0.198 199.1 1999.0 0.204 200.7 2000.0 0.210 202.1 2001.0 0.217 203.6 2002.0 0.223 204.9 2003.0 0.229 206.1 2004.0 0.235 207.3 2005.0 0.242 208.5 2006.0 0.248 209.5 2007.0 0.254 210.5 2008.0 0.261 211.5 2009.0 0.267 212.4 2010.0 0.274 213.3 2011.0 0.280 214.1 2012.0 0.287 214.9 2013.0 0.293 215.7 2014.0 0.299 216.4 2015.0 0.306 217.1 2016.0 0.312 217.8 2017.0 0.319 218.5 2018.0 0.325 219.1 2019.0 0.332 219.7 2020.0 0.338 220.2 2021.0 0.344 220.8 2022.0 0.351 221.3 2023.0 0.357 221.8 2024.0 0.363 222.3 2025.0 0.370 222.8 2026.0 0.376 223.3 2027.0 0.382 223.7 2028.0 0.389 224.1 2029.0 0.395 224.6 2030.0 0.401 225.0 2031.0 0.407 225.4 2032.0 0.413 225.7 2033.0 0.419 226.1 2034.0 0.426 226.5 2035.0 0.432 226.8 2036.0 0.438 227.2 2037.0 0.444 227.5 2038.0 0.450 227.8 2039.0 0.456 228.1 2040.0 0.462 228.4 2041.0 0.468 228.7 2042.0 0.474 229.0 2043.0 0.480 229.3 2044.0 0.485 229.6 2045.0 0.491 229.8 2046.0 0.497 230.1 2047.0 0.503 230.4 2048.0 0.509 230.6 2049.0 0.514 230.9 2050.0 0.520 231.1 2051.0 0.526 231.3 2052.0 0.531 231.6 2053.0 0.537 231.8 2054.0 0.543 232.0 2055.0 0.548 232.2 2056.0 0.554 232.4 2057.0 0.559 232.6 2058.0 0.565 232.8 2059.0 0.570 233.0 2060.0 0.576 233.2 2061.0 0.581 233.4 2062.0 0.586 233.6 2063.0 0.592 233.8 2064.0 0.597 234.0 2065.0 0.602 234.2 2066.0 0.608 234.3 2067.0 0.613 234.5 2068.0 0.618 234.7 2069.0 0.623 234.8 2070.0 0.628 235.0 2071.0 0.633 235.2 2072.0 0.639 235.3 2073.0 0.644 235.5 2074.0 0.649 235.6 2075.0 0.654 235.8 2076.0 0.659 235.9 2077.0 0.664 236.1 2078.0 0.669 236.2 2079.0 0.674 236.4 2080.0 0.678 236.5 2081.0 0.683 236.6 2082.0 0.688 236.8 2083.0 0.693 236.9 2084.0 0.698 237.0 2085.0 0.703 237.2 2086.0 0.707 237.3 2087.0 0.712 237.4 2088.0 0.717 237.6 2089.0 0.721 237.7 2090.0 0.726 237.8 2091.0 0.731 237.9 2092.0 0.735 238.0 2093.0 0.740 238.2 2094.0 0.744 238.3 2095.0 0.749 238.4 2096.0 0.753 238.5 2097.0 0.758 238.6 2098.0 0.762 238.7 2099.0 0.766 238.8 2100.0 0.771 239.0 2101.0 0.775 239.1 2102.0 0.779 239.2 2103.0 0.784 239.3 2104.0 0.788 239.4 2105.0 0.792 239.5 2106.0 0.796 239.6 2107.0 0.801 239.7 2108.0 0.805 239.8 2109.0 0.809 239.9 2110.0 0.813 240.0 2111.0 0.817 240.1 2112.0 0.821 240.2 2113.0 0.825 240.3 2114.0 0.829 240.4 2115.0 0.833 240.4 2116.0 0.837 240.5 2117.0 0.841 240.6 2118.0 0.845 240.7 2119.0 0.849 240.8 2120.0 0.853 240.9 2121.0 0.857 241.0 2122.0 0.860 241.1 2123.0 0.864 241.2 2124.0 0.868 241.2 2125.0 0.872 241.3 2126.0 0.875 241.4 2127.0 0.879 241.5 2128.0 0.883 241.6 2129.0 0.886 241.7 2130.0 0.890 241.7 2131.0 0.894 241.8 2132.0 0.897 241.9 2133.0 0.901 242.0 2134.0 0.904 242.1 2135.0 0.908 242.1 2136.0 0.911 242.2 2137.0 0.915 242.3 2138.0 0.918 242.4 2139.0 0.921 242.4 2140.0 0.925 242.5 2141.0 0.928 242.6 2142.0 0.931 242.7 2143.0 0.935 242.7 2144.0 0.938 242.8 2145.0 0.941 242.9 2146.0 0.944 243.0 2147.0 0.948 243.0 2148.0 0.951 243.1 2149.0 0.954 243.2 2150.0 0.957 243.2 2151.0 0.960 243.3 2152.0 0.963 243.4 2153.0 0.966 243.5 2154.0 0.969 243.5 2155.0 0.972 243.6 2156.0 0.975 243.7 2157.0 0.978 243.7 2158.0 0.981 243.8 2159.0 0.984 243.9 2160.0 0.987 243.9 2161.0 0.990 244.0 2162.0 0.992 244.1 2163.0 0.995 244.1 2164.0 0.998 244.2 2165.0 1.001 244.3 2166.0 1.003 244.3 2167.0 1.006 244.4 2168.0 1.009 244.4 2169.0 1.011 244.5 2170.0 1.014 244.6 2171.0 1.017 244.6 2172.0 1.019 244.7 2173.0 1.022 244.8 2174.0 1.024 244.8 2175.0 1.027 244.9 2176.0 1.029 244.9 2177.0 1.032 245.0 2178.0 1.034 245.1 2179.0 1.036 245.1 2180.0 1.039 245.2 2181.0 1.041 245.2 2182.0 1.043 245.3 2183.0 1.046 245.4 2184.0 1.048 245.4 2185.0 1.050 245.5 2186.0 1.052 245.5 2187.0 1.055 245.6 2188.0 1.057 245.6 2189.0 1.059 245.7 2190.0 1.061 245.8 2191.0 1.063 245.8 2192.0 1.065 245.9 2193.0 1.067 245.9 2194.0 1.069 246.0 2195.0 1.071 246.0 2196.0 1.073 246.1 2197.0 1.075 246.1 2198.0 1.077 246.2 2199.0 1.079 246.3 2200.0 1.081 246.3 2201.0 1.083 246.4 2202.0 1.084 246.4 2203.0 1.086 246.5 2204.0 1.088 246.5 2205.0 1.090 246.6 2206.0 1.091 246.6 2207.0 1.093 246.7 2208.0 1.095 246.7 2209.0 1.096 246.8 2210.0 1.098 246.9 2211.0 1.099 246.9 2212.0 1.101 247.0 2213.0 1.102 247.0 2214.0 1.104 247.1 2215.0 1.105 247.1 2216.0 1.107 247.2 2217.0 1.108 247.2 2218.0 1.109 247.3 2219.0 1.111 247.3 2220.0 1.112 247.4 2221.0 1.113 247.4 2222.0 1.115 247.5 2223.0 1.116 247.5 2224.0 1.117 247.6 2225.0 1.118 247.6 2226.0 1.119 247.7 2227.0 1.121 247.7 2228.0 1.122 247.8 2229.0 1.123 247.8 2230.0 1.124 247.9 2231.0 1.125 247.9 2232.0 1.126 248.0 2233.0 1.127 248.0 2234.0 1.128 248.1 2235.0 1.129 248.1 2236.0 1.129 248.2 2237.0 1.130 248.2 2238.0 1.131 248.3 2239.0 1.132 248.3 2240.0 1.133 248.4 2241.0 1.133 248.4 2242.0 1.134 248.5 2243.0 1.135 248.5 2244.0 1.135 248.6 2245.0 1.136 248.6 2246.0 1.137 248.7 2247.0 1.137 248.7 2248.0 1.138 248.8 2249.0 1.138 248.8 2250.0 1.139 248.9 2251.0 1.139 248.9 2252.0 1.140 249.0 2253.0 1.140 249.0 2254.0 1.140 249.1 2255.0 1.141 249.1 2256.0 1.141 249.2 2257.0 1.141 249.2 2258.0 1.141 249.3 2259.0 1.141 249.3 2260.0 1.142 249.4 2261.0 1.142 249.4 2262.0 1.142 249.5 2263.0 1.142 249.5