| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:38:56 |
| WDS: | STF1211AB | WDS ID/Discoverer |
| P: | 407.000 | Orbital period (years) |
| a: | 1.11 | Semi-major axis (arcseconds) |
| i: | 98.5 | Inclination (degrees) |
| Ω: | 133.5 | Longitude of ascending node (degrees) |
| T: | 1959.000 | Epoch of periastron passage (year) |
| e: | 0.65 | Eccentricity |
| ω: | 157.0 | Longitude of periastron (degrees) |
| Start-Year: | 1822.0 | Year |
| End-Year: | 2228.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 081819.65+385910.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08183+3859 | WDS designation |
| Discoverer Code: | STF1211AB | Discover designation and components |
| ADS number: | 6721 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 40681 | Hipparcos catalog number |
| V1: | 9.65 | Magnitude of the primary |
| V2: | 9.97 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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 0.462 154.0 ------------------------- 1822.0 1.681 134.3 1823.0 1.677 134.3 1824.0 1.674 134.3 1825.0 1.670 134.2 1826.0 1.666 134.2 1827.0 1.662 134.1 1828.0 1.658 134.1 1829.0 1.654 134.0 1830.0 1.649 134.0 1831.0 1.645 133.9 1832.0 1.640 133.9 1833.0 1.635 133.9 1834.0 1.631 133.8 1835.0 1.626 133.8 1836.0 1.620 133.7 1837.0 1.615 133.7 1838.0 1.610 133.6 1839.0 1.604 133.6 1840.0 1.599 133.5 1841.0 1.593 133.5 1842.0 1.587 133.4 1843.0 1.581 133.4 1844.0 1.575 133.3 1845.0 1.569 133.3 1846.0 1.563 133.2 1847.0 1.556 133.2 1848.0 1.549 133.1 1849.0 1.543 133.1 1850.0 1.536 133.0 1851.0 1.529 133.0 1852.0 1.522 132.9 1853.0 1.514 132.9 1854.0 1.507 132.8 1855.0 1.499 132.8 1856.0 1.491 132.7 1857.0 1.484 132.7 1858.0 1.475 132.6 1859.0 1.467 132.5 1860.0 1.459 132.5 1861.0 1.451 132.4 1862.0 1.442 132.4 1863.0 1.433 132.3 1864.0 1.424 132.2 1865.0 1.415 132.2 1866.0 1.406 132.1 1867.0 1.396 132.1 1868.0 1.387 132.0 1869.0 1.377 131.9 1870.0 1.367 131.9 1871.0 1.357 131.8 1872.0 1.347 131.7 1873.0 1.337 131.7 1874.0 1.326 131.6 1875.0 1.316 131.5 1876.0 1.305 131.5 1877.0 1.294 131.4 1878.0 1.282 131.3 1879.0 1.271 131.2 1880.0 1.259 131.2 1881.0 1.248 131.1 1882.0 1.236 131.0 1883.0 1.224 130.9 1884.0 1.211 130.8 1885.0 1.199 130.8 1886.0 1.186 130.7 1887.0 1.173 130.6 1888.0 1.160 130.5 1889.0 1.147 130.4 1890.0 1.133 130.3 1891.0 1.119 130.2 1892.0 1.105 130.1 1893.0 1.091 130.0 1894.0 1.077 129.9 1895.0 1.062 129.8 1896.0 1.048 129.7 1897.0 1.033 129.6 1898.0 1.017 129.5 1899.0 1.002 129.3 1900.0 0.986 129.2 1901.0 0.970 129.1 1902.0 0.954 129.0 1903.0 0.938 128.8 1904.0 0.921 128.7 1905.0 0.904 128.5 1906.0 0.887 128.4 1907.0 0.870 128.2 1908.0 0.852 128.1 1909.0 0.834 127.9 1910.0 0.816 127.7 1911.0 0.797 127.5 1912.0 0.779 127.3 1913.0 0.760 127.1 1914.0 0.740 126.9 1915.0 0.721 126.7 1916.0 0.701 126.4 1917.0 0.681 126.2 1918.0 0.660 125.9 1919.0 0.640 125.6 1920.0 0.618 125.3 1921.0 0.597 125.0 1922.0 0.575 124.6 1923.0 0.553 124.2 1924.0 0.531 123.8 1925.0 0.509 123.3 1926.0 0.486 122.9 1927.0 0.463 122.3 1928.0 0.439 121.7 1929.0 0.415 121.0 1930.0 0.391 120.3 1931.0 0.367 119.4 1932.0 0.342 118.5 1933.0 0.317 117.3 1934.0 0.292 116.0 1935.0 0.267 114.4 1936.0 0.242 112.5 1937.0 0.217 110.2 1938.0 0.192 107.3 1939.0 0.167 103.4 1940.0 0.143 98.3 1941.0 0.120 91.2 1942.0 0.100 80.9 1943.0 0.084 66.3 1944.0 0.076 46.8 1945.0 0.078 25.5 1946.0 0.089 7.4 1947.0 0.106 354.3 1948.0 0.127 345.1 1949.0 0.150 338.6 1950.0 0.173 333.9 1951.0 0.197 330.3 1952.0 0.221 327.5 1953.0 0.244 325.3 1954.0 0.266 323.4 1955.0 0.288 321.8 1956.0 0.308 320.4 1957.0 0.326 319.2 1958.0 0.343 318.1 1959.0 0.358 317.1 1960.0 0.372 316.2 1961.0 0.383 315.3 1962.0 0.392 314.5 1963.0 0.399 313.7 1964.0 0.405 313.0 1965.0 0.408 312.2 1966.0 0.410 311.5 1967.0 0.409 310.8 1968.0 0.408 310.0 1969.0 0.404 309.3 1970.0 0.400 308.5 1971.0 0.394 307.7 1972.0 0.387 306.9 1973.0 0.379 306.1 1974.0 0.370 305.2 1975.0 0.360 304.3 1976.0 0.350 303.4 1977.0 0.339 302.3 1978.0 0.327 301.2 1979.0 0.315 300.0 1980.0 0.303 298.7 1981.0 0.290 297.4 1982.0 0.277 295.8 1983.0 0.264 294.2 1984.0 0.251 292.3 1985.0 0.238 290.3 1986.0 0.225 288.0 1987.0 0.212 285.4 1988.0 0.199 282.5 1989.0 0.187 279.2 1990.0 0.175 275.5 1991.0 0.165 271.2 1992.0 0.154 266.4 1993.0 0.146 261.0 1994.0 0.138 254.9 1995.0 0.132 248.1 1996.0 0.128 240.9 1997.0 0.126 233.3 1998.0 0.127 225.6 1999.0 0.129 218.1 2000.0 0.134 211.0 2001.0 0.140 204.4 2002.0 0.148 198.5 2003.0 0.157 193.2 2004.0 0.168 188.6 2005.0 0.179 184.5 2006.0 0.191 180.9 2007.0 0.204 177.7 2008.0 0.217 175.0 2009.0 0.230 172.5 2010.0 0.244 170.3 2011.0 0.258 168.4 2012.0 0.272 166.7 2013.0 0.287 165.1 2014.0 0.301 163.7 2015.0 0.316 162.4 2016.0 0.330 161.2 2017.0 0.345 160.1 2018.0 0.360 159.2 2019.0 0.375 158.2 2020.0 0.389 157.4 2021.0 0.404 156.6 2022.0 0.419 155.9 2023.0 0.433 155.2 2024.0 0.448 154.6 2025.0 0.462 154.0 2026.0 0.477 153.5 2027.0 0.491 152.9 2028.0 0.506 152.4 2029.0 0.520 152.0 2030.0 0.535 151.5 2031.0 0.549 151.1 2032.0 0.563 150.7 2033.0 0.577 150.3 2034.0 0.591 150.0 2035.0 0.605 149.6 2036.0 0.619 149.3 2037.0 0.633 149.0 2038.0 0.646 148.7 2039.0 0.660 148.4 2040.0 0.674 148.1 2041.0 0.687 147.9 2042.0 0.701 147.6 2043.0 0.714 147.4 2044.0 0.727 147.1 2045.0 0.740 146.9 2046.0 0.753 146.7 2047.0 0.766 146.5 2048.0 0.779 146.3 2049.0 0.792 146.1 2050.0 0.805 145.9 2051.0 0.818 145.7 2052.0 0.830 145.5 2053.0 0.843 145.3 2054.0 0.855 145.2 2055.0 0.867 145.0 2056.0 0.880 144.9 2057.0 0.892 144.7 2058.0 0.904 144.5 2059.0 0.916 144.4 2060.0 0.928 144.3 2061.0 0.940 144.1 2062.0 0.951 144.0 2063.0 0.963 143.8 2064.0 0.974 143.7 2065.0 0.986 143.6 2066.0 0.997 143.5 2067.0 1.008 143.3 2068.0 1.020 143.2 2069.0 1.031 143.1 2070.0 1.042 143.0 2071.0 1.053 142.9 2072.0 1.064 142.8 2073.0 1.074 142.7 2074.0 1.085 142.6 2075.0 1.096 142.4 2076.0 1.106 142.3 2077.0 1.116 142.2 2078.0 1.127 142.2 2079.0 1.137 142.1 2080.0 1.147 142.0 2081.0 1.157 141.9 2082.0 1.167 141.8 2083.0 1.177 141.7 2084.0 1.187 141.6 2085.0 1.197 141.5 2086.0 1.206 141.4 2087.0 1.216 141.3 2088.0 1.225 141.3 2089.0 1.235 141.2 2090.0 1.244 141.1 2091.0 1.253 141.0 2092.0 1.262 141.0 2093.0 1.271 140.9 2094.0 1.280 140.8 2095.0 1.289 140.7 2096.0 1.298 140.7 2097.0 1.307 140.6 2098.0 1.315 140.5 2099.0 1.324 140.4 2100.0 1.332 140.4 2101.0 1.340 140.3 2102.0 1.349 140.2 2103.0 1.357 140.2 2104.0 1.365 140.1 2105.0 1.373 140.0 2106.0 1.381 140.0 2107.0 1.389 139.9 2108.0 1.396 139.8 2109.0 1.404 139.8 2110.0 1.412 139.7 2111.0 1.419 139.7 2112.0 1.427 139.6 2113.0 1.434 139.5 2114.0 1.441 139.5 2115.0 1.448 139.4 2116.0 1.455 139.4 2117.0 1.462 139.3 2118.0 1.469 139.2 2119.0 1.476 139.2 2120.0 1.483 139.1 2121.0 1.489 139.1 2122.0 1.496 139.0 2123.0 1.502 139.0 2124.0 1.509 138.9 2125.0 1.515 138.9 2126.0 1.521 138.8 2127.0 1.527 138.8 2128.0 1.533 138.7 2129.0 1.539 138.7 2130.0 1.545 138.6 2131.0 1.551 138.5 2132.0 1.557 138.5 2133.0 1.562 138.4 2134.0 1.568 138.4 2135.0 1.573 138.3 2136.0 1.579 138.3 2137.0 1.584 138.3 2138.0 1.589 138.2 2139.0 1.594 138.2 2140.0 1.599 138.1 2141.0 1.604 138.1 2142.0 1.609 138.0 2143.0 1.614 138.0 2144.0 1.619 137.9 2145.0 1.623 137.9 2146.0 1.628 137.8 2147.0 1.632 137.8 2148.0 1.636 137.7 2149.0 1.641 137.7 2150.0 1.645 137.6 2151.0 1.649 137.6 2152.0 1.653 137.6 2153.0 1.657 137.5 2154.0 1.660 137.5 2155.0 1.664 137.4 2156.0 1.668 137.4 2157.0 1.671 137.3 2158.0 1.675 137.3 2159.0 1.678 137.2 2160.0 1.681 137.2 2161.0 1.685 137.2 2162.0 1.688 137.1 2163.0 1.691 137.1 2164.0 1.694 137.0 2165.0 1.696 137.0 2166.0 1.699 136.9 2167.0 1.702 136.9 2168.0 1.704 136.9 2169.0 1.707 136.8 2170.0 1.709 136.8 2171.0 1.712 136.7 2172.0 1.714 136.7 2173.0 1.716 136.6 2174.0 1.718 136.6 2175.0 1.720 136.6 2176.0 1.722 136.5 2177.0 1.723 136.5 2178.0 1.725 136.4 2179.0 1.727 136.4 2180.0 1.728 136.4 2181.0 1.730 136.3 2182.0 1.731 136.3 2183.0 1.732 136.2 2184.0 1.733 136.2 2185.0 1.734 136.2 2186.0 1.735 136.1 2187.0 1.736 136.1 2188.0 1.737 136.0 2189.0 1.737 136.0 2190.0 1.738 136.0 2191.0 1.738 135.9 2192.0 1.739 135.9 2193.0 1.739 135.8 2194.0 1.739 135.8 2195.0 1.739 135.7 2196.0 1.739 135.7 2197.0 1.739 135.7 2198.0 1.739 135.6 2199.0 1.738 135.6 2200.0 1.738 135.5 2201.0 1.737 135.5 2202.0 1.737 135.5 2203.0 1.736 135.4 2204.0 1.735 135.4 2205.0 1.734 135.3 2206.0 1.733 135.3 2207.0 1.732 135.3 2208.0 1.731 135.2 2209.0 1.730 135.2 2210.0 1.728 135.1 2211.0 1.727 135.1 2212.0 1.725 135.1 2213.0 1.723 135.0 2214.0 1.721 135.0 2215.0 1.720 134.9 2216.0 1.717 134.9 2217.0 1.715 134.8 2218.0 1.713 134.8 2219.0 1.711 134.8 2220.0 1.708 134.7 2221.0 1.706 134.7 2222.0 1.703 134.6 2223.0 1.700 134.6 2224.0 1.697 134.6 2225.0 1.694 134.5 2226.0 1.691 134.5 2227.0 1.688 134.4