| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:41:45 |
| WDS: | STF2118AB | WDS ID/Discoverer |
| P: | 321.313 | Orbital period (years) |
| a: | 1.05927 | Semi-major axis (arcseconds) |
| i: | 96.216 | Inclination (degrees) |
| Ω: | 67.426 | Longitude of ascending node (degrees) |
| T: | 2076.985 | Epoch of periastron passage (year) |
| e: | 0.23973 | Eccentricity |
| ω: | 112.091 | Longitude of periastron (degrees) |
| Start-Year: | 1865.0 | Year |
| End-Year: | 2185.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 165625.32+650220.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16564+6502 | WDS designation |
| Discoverer Code: | STF2118AB | Discover designation and components |
| ADS number: | 10279 | Aitken Double Star catalog |
| HD number: | 153697 | HD catalog number |
| Hipparcos number: | 82898 | Hipparcos catalog number |
| V1: | 7.07 | Magnitude of the primary |
| V2: | 7.30 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 3 | 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 0.871 64.2 ------------------------- 1865.0 0.360 226.5 1866.0 0.345 225.5 1867.0 0.331 224.3 1868.0 0.317 223.1 1869.0 0.302 221.7 1870.0 0.288 220.2 1871.0 0.274 218.5 1872.0 0.261 216.7 1873.0 0.247 214.6 1874.0 0.234 212.3 1875.0 0.221 209.8 1876.0 0.209 206.9 1877.0 0.197 203.7 1878.0 0.186 200.1 1879.0 0.175 196.0 1880.0 0.166 191.4 1881.0 0.157 186.4 1882.0 0.150 180.8 1883.0 0.145 174.7 1884.0 0.141 168.2 1885.0 0.139 161.4 1886.0 0.139 154.6 1887.0 0.141 147.9 1888.0 0.145 141.4 1889.0 0.151 135.3 1890.0 0.158 129.8 1891.0 0.166 124.7 1892.0 0.176 120.2 1893.0 0.186 116.1 1894.0 0.197 112.5 1895.0 0.209 109.3 1896.0 0.222 106.5 1897.0 0.234 103.9 1898.0 0.248 101.6 1899.0 0.261 99.6 1900.0 0.275 97.8 1901.0 0.289 96.1 1902.0 0.303 94.6 1903.0 0.318 93.2 1904.0 0.332 92.0 1905.0 0.346 90.8 1906.0 0.361 89.8 1907.0 0.376 88.8 1908.0 0.390 87.9 1909.0 0.405 87.0 1910.0 0.419 86.3 1911.0 0.434 85.5 1912.0 0.449 84.9 1913.0 0.463 84.2 1914.0 0.478 83.6 1915.0 0.492 83.1 1916.0 0.506 82.5 1917.0 0.521 82.0 1918.0 0.535 81.6 1919.0 0.549 81.1 1920.0 0.563 80.7 1921.0 0.577 80.3 1922.0 0.591 79.9 1923.0 0.605 79.5 1924.0 0.619 79.2 1925.0 0.633 78.8 1926.0 0.646 78.5 1927.0 0.660 78.2 1928.0 0.673 77.9 1929.0 0.686 77.6 1930.0 0.699 77.3 1931.0 0.712 77.1 1932.0 0.725 76.8 1933.0 0.738 76.6 1934.0 0.750 76.3 1935.0 0.763 76.1 1936.0 0.775 75.9 1937.0 0.787 75.7 1938.0 0.799 75.4 1939.0 0.811 75.2 1940.0 0.823 75.0 1941.0 0.834 74.9 1942.0 0.845 74.7 1943.0 0.856 74.5 1944.0 0.867 74.3 1945.0 0.878 74.1 1946.0 0.889 74.0 1947.0 0.899 73.8 1948.0 0.910 73.6 1949.0 0.920 73.5 1950.0 0.930 73.3 1951.0 0.939 73.2 1952.0 0.949 73.0 1953.0 0.958 72.9 1954.0 0.967 72.7 1955.0 0.976 72.6 1956.0 0.985 72.5 1957.0 0.993 72.3 1958.0 1.001 72.2 1959.0 1.009 72.1 1960.0 1.017 71.9 1961.0 1.025 71.8 1962.0 1.032 71.7 1963.0 1.039 71.6 1964.0 1.046 71.4 1965.0 1.052 71.3 1966.0 1.059 71.2 1967.0 1.065 71.1 1968.0 1.071 71.0 1969.0 1.076 70.8 1970.0 1.081 70.7 1971.0 1.087 70.6 1972.0 1.091 70.5 1973.0 1.096 70.4 1974.0 1.100 70.3 1975.0 1.104 70.2 1976.0 1.108 70.1 1977.0 1.111 70.0 1978.0 1.114 69.9 1979.0 1.117 69.7 1980.0 1.120 69.6 1981.0 1.122 69.5 1982.0 1.124 69.4 1983.0 1.125 69.3 1984.0 1.127 69.2 1985.0 1.128 69.1 1986.0 1.128 69.0 1987.0 1.129 68.9 1988.0 1.129 68.8 1989.0 1.128 68.7 1990.0 1.128 68.6 1991.0 1.127 68.5 1992.0 1.125 68.4 1993.0 1.124 68.3 1994.0 1.122 68.2 1995.0 1.119 68.1 1996.0 1.117 68.0 1997.0 1.114 67.9 1998.0 1.110 67.8 1999.0 1.106 67.7 2000.0 1.102 67.5 2001.0 1.098 67.4 2002.0 1.093 67.3 2003.0 1.088 67.2 2004.0 1.082 67.1 2005.0 1.076 67.0 2006.0 1.069 66.9 2007.0 1.063 66.8 2008.0 1.055 66.6 2009.0 1.048 66.5 2010.0 1.040 66.4 2011.0 1.031 66.3 2012.0 1.023 66.1 2013.0 1.014 66.0 2014.0 1.004 65.9 2015.0 0.994 65.8 2016.0 0.983 65.6 2017.0 0.973 65.5 2018.0 0.961 65.3 2019.0 0.950 65.2 2020.0 0.938 65.1 2021.0 0.925 64.9 2022.0 0.912 64.7 2023.0 0.899 64.6 2024.0 0.885 64.4 2025.0 0.871 64.2 2026.0 0.857 64.1 2027.0 0.842 63.9 2028.0 0.826 63.7 2029.0 0.810 63.5 2030.0 0.794 63.3 2031.0 0.778 63.1 2032.0 0.761 62.9 2033.0 0.743 62.6 2034.0 0.725 62.4 2035.0 0.707 62.1 2036.0 0.688 61.8 2037.0 0.669 61.6 2038.0 0.650 61.3 2039.0 0.630 60.9 2040.0 0.610 60.6 2041.0 0.590 60.2 2042.0 0.569 59.8 2043.0 0.548 59.4 2044.0 0.526 58.9 2045.0 0.505 58.5 2046.0 0.483 57.9 2047.0 0.460 57.3 2048.0 0.438 56.7 2049.0 0.415 55.9 2050.0 0.392 55.1 2051.0 0.369 54.2 2052.0 0.345 53.2 2053.0 0.322 52.0 2054.0 0.298 50.6 2055.0 0.275 49.0 2056.0 0.251 47.1 2057.0 0.228 44.8 2058.0 0.205 41.9 2059.0 0.182 38.4 2060.0 0.160 33.8 2061.0 0.139 27.9 2062.0 0.121 20.0 2063.0 0.105 9.5 2064.0 0.093 355.8 2065.0 0.089 339.7 2066.0 0.091 323.1 2067.0 0.101 308.5 2068.0 0.115 297.0 2069.0 0.133 288.3 2070.0 0.153 281.8 2071.0 0.175 276.9 2072.0 0.197 273.0 2073.0 0.220 270.0 2074.0 0.243 267.5 2075.0 0.267 265.5 2076.0 0.290 263.8 2077.0 0.314 262.3 2078.0 0.337 261.1 2079.0 0.360 260.0 2080.0 0.383 259.0 2081.0 0.406 258.2 2082.0 0.429 257.4 2083.0 0.451 256.8 2084.0 0.473 256.1 2085.0 0.494 255.6 2086.0 0.515 255.1 2087.0 0.536 254.6 2088.0 0.556 254.1 2089.0 0.576 253.7 2090.0 0.595 253.3 2091.0 0.614 253.0 2092.0 0.633 252.6 2093.0 0.651 252.3 2094.0 0.668 252.0 2095.0 0.685 251.7 2096.0 0.702 251.4 2097.0 0.718 251.2 2098.0 0.733 250.9 2099.0 0.748 250.7 2100.0 0.762 250.5 2101.0 0.776 250.2 2102.0 0.789 250.0 2103.0 0.801 249.8 2104.0 0.813 249.6 2105.0 0.825 249.4 2106.0 0.836 249.2 2107.0 0.846 249.0 2108.0 0.856 248.8 2109.0 0.865 248.7 2110.0 0.874 248.5 2111.0 0.882 248.3 2112.0 0.889 248.2 2113.0 0.896 248.0 2114.0 0.902 247.8 2115.0 0.908 247.7 2116.0 0.913 247.5 2117.0 0.918 247.3 2118.0 0.922 247.2 2119.0 0.926 247.0 2120.0 0.929 246.9 2121.0 0.932 246.7 2122.0 0.934 246.6 2123.0 0.936 246.4 2124.0 0.937 246.3 2125.0 0.937 246.1 2126.0 0.938 246.0 2127.0 0.937 245.8 2128.0 0.937 245.7 2129.0 0.935 245.5 2130.0 0.934 245.4 2131.0 0.932 245.2 2132.0 0.929 245.1 2133.0 0.926 244.9 2134.0 0.923 244.8 2135.0 0.919 244.6 2136.0 0.915 244.4 2137.0 0.910 244.3 2138.0 0.905 244.1 2139.0 0.900 244.0 2140.0 0.894 243.8 2141.0 0.888 243.6 2142.0 0.882 243.5 2143.0 0.875 243.3 2144.0 0.868 243.1 2145.0 0.860 242.9 2146.0 0.853 242.8 2147.0 0.845 242.6 2148.0 0.836 242.4 2149.0 0.828 242.2 2150.0 0.819 242.0 2151.0 0.809 241.8 2152.0 0.800 241.6 2153.0 0.790 241.4 2154.0 0.780 241.2 2155.0 0.770 241.0 2156.0 0.759 240.7 2157.0 0.748 240.5 2158.0 0.737 240.3 2159.0 0.726 240.0 2160.0 0.715 239.8 2161.0 0.703 239.5 2162.0 0.691 239.2 2163.0 0.679 238.9 2164.0 0.667 238.7 2165.0 0.655 238.4 2166.0 0.642 238.0 2167.0 0.629 237.7 2168.0 0.616 237.4 2169.0 0.603 237.0 2170.0 0.590 236.6 2171.0 0.576 236.3 2172.0 0.563 235.8 2173.0 0.549 235.4 2174.0 0.536 235.0 2175.0 0.522 234.5 2176.0 0.508 234.0 2177.0 0.494 233.5 2178.0 0.479 232.9 2179.0 0.465 232.3 2180.0 0.451 231.7 2181.0 0.437 231.0 2182.0 0.422 230.3 2183.0 0.408 229.5 2184.0 0.393 228.7