| WDS: | STF208AB | WDS ID/Discoverer |
| P: | 325.000 | Orbital period (years) |
| a: | 1.39 | Semi-major axis (arcseconds) |
| i: | 51.0 | Inclination (degrees) |
| Ω: | 20.5 | Longitude of ascending node (degrees) |
| T: | 1931.600 | Epoch of periastron passage (year) |
| e: | 0.59 | Eccentricity |
| ω: | 165.0 | Longitude of periastron (degrees) |
| Start-Year: | 1862.5 | Year |
| End-Year: | 2187.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF208AB |
||
| Position: | 020339.26+255607.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02037+2556 | WDS designation |
| Discoverer Code: | STF208AB | Discover designation and components |
| ADS number: | 1631 | Aitken Double Star catalog |
| HD number: | 12558 | HD catalog number |
| Hipparcos number: | 9621 | Hipparcos catalog number |
| V1: | 5.82 | Magnitude of the primary |
| V2: | 7.87 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hei1996a | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 1.654 351.64 -------------------------- 1862.50 1.559 36.93 1863.50 1.542 37.38 1864.50 1.526 37.84 1865.50 1.509 38.32 1866.50 1.491 38.80 1867.50 1.474 39.29 1868.50 1.456 39.80 1869.50 1.438 40.32 1870.50 1.419 40.85 1871.50 1.401 41.40 1872.50 1.382 41.96 1873.50 1.363 42.54 1874.50 1.343 43.13 1875.50 1.324 43.74 1876.50 1.304 44.37 1877.50 1.284 45.02 1878.50 1.263 45.69 1879.50 1.242 46.39 1880.50 1.221 47.10 1881.50 1.200 47.85 1882.50 1.179 48.61 1883.50 1.157 49.41 1884.50 1.135 50.24 1885.50 1.113 51.10 1886.50 1.091 52.00 1887.50 1.068 52.93 1888.50 1.045 53.90 1889.50 1.022 54.92 1890.50 0.999 55.99 1891.50 0.975 57.10 1892.50 0.952 58.28 1893.50 0.928 59.51 1894.50 0.904 60.80 1895.50 0.880 62.17 1896.50 0.856 63.61 1897.50 0.832 65.14 1898.50 0.808 66.76 1899.50 0.784 68.47 1900.50 0.760 70.30 1901.50 0.736 72.24 1902.50 0.713 74.31 1903.50 0.690 76.52 1904.50 0.667 78.89 1905.50 0.644 81.42 1906.50 0.622 84.13 1907.50 0.601 87.04 1908.50 0.581 90.15 1909.50 0.562 93.48 1910.50 0.544 97.04 1911.50 0.527 100.84 1912.50 0.512 104.87 1913.50 0.499 109.13 1914.50 0.487 113.61 1915.50 0.477 118.29 1916.50 0.470 123.14 1917.50 0.465 128.12 1918.50 0.462 133.18 1919.50 0.462 138.27 1920.50 0.464 143.35 1921.50 0.468 148.37 1922.50 0.473 153.29 1923.50 0.480 158.07 1924.50 0.489 162.71 1925.50 0.498 167.17 1926.50 0.509 171.46 1927.50 0.519 175.58 1928.50 0.529 179.54 1929.50 0.539 183.35 1930.50 0.549 187.02 1931.50 0.557 190.58 1932.50 0.565 194.03 1933.50 0.572 197.39 1934.50 0.577 200.68 1935.50 0.582 203.92 1936.50 0.585 207.11 1937.50 0.588 210.27 1938.50 0.589 213.41 1939.50 0.589 216.55 1940.50 0.589 219.68 1941.50 0.589 222.81 1942.50 0.587 225.96 1943.50 0.586 229.11 1944.50 0.585 232.29 1945.50 0.583 235.47 1946.50 0.582 238.67 1947.50 0.582 241.89 1948.50 0.581 245.10 1949.50 0.581 248.32 1950.50 0.582 251.53 1951.50 0.584 254.73 1952.50 0.586 257.91 1953.50 0.589 261.06 1954.50 0.593 264.17 1955.50 0.598 267.23 1956.50 0.604 270.24 1957.50 0.611 273.19 1958.50 0.618 276.07 1959.50 0.626 278.88 1960.50 0.636 281.61 1961.50 0.645 284.26 1962.50 0.656 286.83 1963.50 0.667 289.32 1964.50 0.679 291.72 1965.50 0.692 294.03 1966.50 0.705 296.26 1967.50 0.719 298.41 1968.50 0.733 300.48 1969.50 0.747 302.46 1970.50 0.762 304.37 1971.50 0.777 306.21 1972.50 0.793 307.97 1973.50 0.809 309.67 1974.50 0.825 311.30 1975.50 0.842 312.86 1976.50 0.858 314.37 1977.50 0.875 315.82 1978.50 0.892 317.21 1979.50 0.909 318.55 1980.50 0.926 319.84 1981.50 0.943 321.09 1982.50 0.961 322.29 1983.50 0.978 323.45 1984.50 0.995 324.56 1985.50 1.013 325.64 1986.50 1.030 326.68 1987.50 1.048 327.69 1988.50 1.065 328.67 1989.50 1.082 329.61 1990.50 1.100 330.52 1991.50 1.117 331.41 1992.50 1.134 332.27 1993.50 1.151 333.10 1994.50 1.168 333.91 1995.50 1.185 334.69 1996.50 1.202 335.46 1997.50 1.219 336.20 1998.50 1.236 336.92 1999.50 1.253 337.62 2000.50 1.269 338.31 2001.50 1.286 338.97 2002.50 1.302 339.62 2003.50 1.318 340.26 2004.50 1.334 340.88 2005.50 1.350 341.48 2006.50 1.366 342.07 2007.50 1.382 342.64 2008.50 1.397 343.21 2009.50 1.413 343.76 2010.50 1.428 344.30 2011.50 1.443 344.83 2012.50 1.458 345.34 2013.50 1.473 345.85 2014.50 1.488 346.34 2015.50 1.503 346.83 2016.50 1.517 347.31 2017.50 1.531 347.78 2018.50 1.546 348.24 2019.50 1.560 348.69 2020.50 1.573 349.13 2021.50 1.587 349.57 2022.50 1.601 349.99 2023.50 1.614 350.41 2024.50 1.628 350.83 2025.50 1.641 351.24 2026.50 1.654 351.64 2027.50 1.666 352.03 2028.50 1.679 352.42 2029.50 1.692 352.80 2030.50 1.704 353.18 2031.50 1.716 353.55 2032.50 1.728 353.92 2033.50 1.740 354.28 2034.50 1.752 354.64 2035.50 1.764 354.99 2036.50 1.775 355.34 2037.50 1.786 355.68 2038.50 1.797 356.02 2039.50 1.808 356.35 2040.50 1.819 356.68 2041.50 1.830 357.01 2042.50 1.840 357.33 2043.50 1.851 357.65 2044.50 1.861 357.97 2045.50 1.871 358.28 2046.50 1.881 358.59 2047.50 1.890 358.89 2048.50 1.900 359.20 2049.50 1.909 359.50 2050.50 1.919 359.79 2051.50 1.928 0.09 2052.50 1.937 0.38 2053.50 1.945 0.67 2054.50 1.954 0.95 2055.50 1.962 1.24 2056.50 1.971 1.52 2057.50 1.979 1.80 2058.50 1.987 2.07 2059.50 1.994 2.35 2060.50 2.002 2.62 2061.50 2.010 2.89 2062.50 2.017 3.16 2063.50 2.024 3.43 2064.50 2.031 3.69 2065.50 2.038 3.95 2066.50 2.045 4.21 2067.50 2.051 4.47 2068.50 2.057 4.73 2069.50 2.064 4.99 2070.50 2.070 5.24 2071.50 2.076 5.49 2072.50 2.081 5.75 2073.50 2.087 6.00 2074.50 2.092 6.25 2075.50 2.097 6.49 2076.50 2.102 6.74 2077.50 2.107 6.99 2078.50 2.112 7.23 2079.50 2.117 7.47 2080.50 2.121 7.72 2081.50 2.125 7.96 2082.50 2.129 8.20 2083.50 2.133 8.44 2084.50 2.137 8.67 2085.50 2.141 8.91 2086.50 2.144 9.15 2087.50 2.147 9.39 2088.50 2.151 9.62 2089.50 2.154 9.86 2090.50 2.156 10.09 2091.50 2.159 10.32 2092.50 2.161 10.56 2093.50 2.164 10.79 2094.50 2.166 11.02 2095.50 2.168 11.25 2096.50 2.170 11.48 2097.50 2.171 11.71 2098.50 2.173 11.95 2099.50 2.174 12.18 2100.50 2.175 12.41 2101.50 2.176 12.64 2102.50 2.177 12.87 2103.50 2.177 13.09 2104.50 2.178 13.32 2105.50 2.178 13.55 2106.50 2.178 13.78 2107.50 2.178 14.01 2108.50 2.178 14.24 2109.50 2.177 14.47 2110.50 2.177 14.70 2111.50 2.176 14.93 2112.50 2.175 15.16 2113.50 2.174 15.39 2114.50 2.173 15.62 2115.50 2.171 15.85 2116.50 2.170 16.08 2117.50 2.168 16.31 2118.50 2.166 16.54 2119.50 2.164 16.78 2120.50 2.162 17.01 2121.50 2.159 17.24 2122.50 2.156 17.47 2123.50 2.154 17.71 2124.50 2.151 17.94 2125.50 2.147 18.18 2126.50 2.144 18.41 2127.50 2.140 18.65 2128.50 2.137 18.89 2129.50 2.133 19.13 2130.50 2.129 19.37 2131.50 2.124 19.61 2132.50 2.120 19.85 2133.50 2.115 20.09 2134.50 2.110 20.34 2135.50 2.105 20.58 2136.50 2.100 20.83 2137.50 2.094 21.07 2138.50 2.089 21.32 2139.50 2.083 21.57 2140.50 2.077 21.82 2141.50 2.071 22.08 2142.50 2.064 22.33 2143.50 2.058 22.59 2144.50 2.051 22.84 2145.50 2.044 23.10 2146.50 2.037 23.37 2147.50 2.030 23.63 2148.50 2.022 23.89 2149.50 2.014 24.16 2150.50 2.006 24.43 2151.50 1.998 24.70 2152.50 1.990 24.97 2153.50 1.981 25.25 2154.50 1.972 25.53 2155.50 1.963 25.81 2156.50 1.954 26.09 2157.50 1.945 26.38 2158.50 1.935 26.67 2159.50 1.925 26.96 2160.50 1.915 27.25 2161.50 1.905 27.55 2162.50 1.895 27.85 2163.50 1.884 28.16 2164.50 1.873 28.47 2165.50 1.862 28.78 2166.50 1.851 29.09 2167.50 1.839 29.41 2168.50 1.827 29.74 2169.50 1.815 30.06 2170.50 1.803 30.40 2171.50 1.791 30.73 2172.50 1.778 31.08 2173.50 1.765 31.42 2174.50 1.752 31.77 2175.50 1.738 32.13 2176.50 1.725 32.49 2177.50 1.711 32.86 2178.50 1.697 33.24 2179.50 1.682 33.62 2180.50 1.668 34.00 2181.50 1.653 34.40 2182.50 1.638 34.80 2183.50 1.623 35.21 2184.50 1.607 35.63 2185.50 1.591 36.05 2186.50 1.575 36.49
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:56:30 |