| WDS: | STF1639AB | WDS ID/Discoverer |
| P: | 575.440 | Orbital period (years) |
| a: | 1.224 | Semi-major axis (arcseconds) |
| i: | 150.4 | Inclination (degrees) |
| Ω: | 140.8 | Longitude of ascending node (degrees) |
| T: | 1891.750 | Epoch of periastron passage (year) |
| e: | 0.926 | Eccentricity |
| ω: | 9.7 | Longitude of periastron (degrees) |
| Start-Year: | 1737.28 | Year |
| End-Year: | 2312.7200000000003 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1639AB |
||
| Position: | 122426.81+253456.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 12244+2535 | WDS designation |
| Discoverer Code: | STF1639AB | Discover designation and components |
| ADS number: | 8539 | Aitken Double Star catalog |
| HD number: | 108007 | HD catalog number |
| Hipparcos number: | 60525 | Hipparcos catalog number |
| V1: | 6.74 | Magnitude of the primary |
| V2: | 7.83 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2000 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Ole2000b | 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 1.903 322.12 -------------------------- 1737.28 1.992 304.04 1738.28 1.986 303.97 1739.28 1.981 303.89 1740.28 1.975 303.81 1741.28 1.969 303.73 1742.28 1.964 303.65 1743.28 1.958 303.57 1744.28 1.952 303.49 1745.28 1.946 303.41 1746.28 1.940 303.33 1747.28 1.934 303.24 1748.28 1.928 303.16 1749.28 1.922 303.08 1750.28 1.916 303.00 1751.28 1.910 302.91 1752.28 1.903 302.83 1753.28 1.897 302.74 1754.28 1.891 302.66 1755.28 1.884 302.57 1756.28 1.878 302.48 1757.28 1.871 302.39 1758.28 1.865 302.31 1759.28 1.858 302.22 1760.28 1.851 302.13 1761.28 1.844 302.04 1762.28 1.838 301.95 1763.28 1.831 301.86 1764.28 1.824 301.76 1765.28 1.817 301.67 1766.28 1.810 301.58 1767.28 1.803 301.48 1768.28 1.796 301.39 1769.28 1.788 301.29 1770.28 1.781 301.20 1771.28 1.774 301.10 1772.28 1.766 301.00 1773.28 1.759 300.90 1774.28 1.751 300.80 1775.28 1.744 300.70 1776.28 1.736 300.60 1777.28 1.728 300.50 1778.28 1.721 300.39 1779.28 1.713 300.29 1780.28 1.705 300.18 1781.28 1.697 300.08 1782.28 1.689 299.97 1783.28 1.681 299.86 1784.28 1.673 299.75 1785.28 1.664 299.64 1786.28 1.656 299.53 1787.28 1.648 299.42 1788.28 1.639 299.30 1789.28 1.631 299.19 1790.28 1.622 299.07 1791.28 1.614 298.95 1792.28 1.605 298.84 1793.28 1.596 298.72 1794.28 1.587 298.59 1795.28 1.578 298.47 1796.28 1.569 298.35 1797.28 1.560 298.22 1798.28 1.551 298.09 1799.28 1.542 297.97 1800.28 1.532 297.83 1801.28 1.523 297.70 1802.28 1.514 297.57 1803.28 1.504 297.43 1804.28 1.494 297.30 1805.28 1.485 297.16 1806.28 1.475 297.02 1807.28 1.465 296.88 1808.28 1.455 296.73 1809.28 1.445 296.59 1810.28 1.435 296.44 1811.28 1.424 296.29 1812.28 1.414 296.13 1813.28 1.404 295.98 1814.28 1.393 295.82 1815.28 1.383 295.66 1816.28 1.372 295.50 1817.28 1.361 295.33 1818.28 1.350 295.17 1819.28 1.339 295.00 1820.28 1.328 294.82 1821.28 1.317 294.65 1822.28 1.306 294.47 1823.28 1.294 294.29 1824.28 1.283 294.10 1825.28 1.271 293.91 1826.28 1.260 293.72 1827.28 1.248 293.53 1828.28 1.236 293.33 1829.28 1.224 293.12 1830.28 1.212 292.91 1831.28 1.199 292.70 1832.28 1.187 292.49 1833.28 1.174 292.27 1834.28 1.162 292.04 1835.28 1.149 291.81 1836.28 1.136 291.57 1837.28 1.123 291.33 1838.28 1.110 291.09 1839.28 1.096 290.83 1840.28 1.083 290.57 1841.28 1.069 290.31 1842.28 1.056 290.04 1843.28 1.042 289.76 1844.28 1.028 289.47 1845.28 1.013 289.17 1846.28 0.999 288.87 1847.28 0.985 288.56 1848.28 0.970 288.23 1849.28 0.955 287.90 1850.28 0.940 287.56 1851.28 0.925 287.21 1852.28 0.909 286.84 1853.28 0.894 286.46 1854.28 0.878 286.07 1855.28 0.862 285.66 1856.28 0.846 285.24 1857.28 0.829 284.80 1858.28 0.813 284.35 1859.28 0.796 283.87 1860.28 0.779 283.37 1861.28 0.761 282.86 1862.28 0.744 282.31 1863.28 0.726 281.74 1864.28 0.708 281.14 1865.28 0.689 280.51 1866.28 0.671 279.85 1867.28 0.652 279.14 1868.28 0.632 278.40 1869.28 0.613 277.60 1870.28 0.593 276.76 1871.28 0.572 275.85 1872.28 0.552 274.88 1873.28 0.531 273.83 1874.28 0.509 272.69 1875.28 0.487 271.44 1876.28 0.464 270.08 1877.28 0.442 268.58 1878.28 0.418 266.92 1879.28 0.394 265.05 1880.28 0.369 262.94 1881.28 0.344 260.52 1882.28 0.318 257.71 1883.28 0.292 254.41 1884.28 0.265 250.43 1885.28 0.237 245.54 1886.28 0.209 239.34 1887.28 0.181 231.21 1888.28 0.153 220.11 1889.28 0.127 204.30 1890.28 0.106 181.37 1891.28 0.093 149.67 1892.28 0.091 112.28 1893.28 0.103 78.36 1894.28 0.126 54.26 1895.28 0.155 38.47 1896.28 0.186 27.81 1897.28 0.217 20.21 1898.28 0.248 14.49 1899.28 0.278 10.02 1900.28 0.307 6.41 1901.28 0.335 3.41 1902.28 0.362 0.88 1903.28 0.389 358.69 1904.28 0.414 356.78 1905.28 0.439 355.09 1906.28 0.464 353.58 1907.28 0.488 352.22 1908.28 0.511 350.99 1909.28 0.534 349.86 1910.28 0.556 348.83 1911.28 0.578 347.87 1912.28 0.599 346.98 1913.28 0.620 346.16 1914.28 0.641 345.38 1915.28 0.661 344.66 1916.28 0.681 343.97 1917.28 0.700 343.33 1918.28 0.720 342.72 1919.28 0.738 342.14 1920.28 0.757 341.59 1921.28 0.775 341.06 1922.28 0.793 340.56 1923.28 0.811 340.09 1924.28 0.828 339.63 1925.28 0.845 339.19 1926.28 0.862 338.77 1927.28 0.879 338.36 1928.28 0.895 337.97 1929.28 0.912 337.59 1930.28 0.928 337.23 1931.28 0.943 336.88 1932.28 0.959 336.54 1933.28 0.974 336.21 1934.28 0.990 335.89 1935.28 1.005 335.58 1936.28 1.019 335.28 1937.28 1.034 334.99 1938.28 1.049 334.70 1939.28 1.063 334.43 1940.28 1.077 334.16 1941.28 1.091 333.90 1942.28 1.105 333.64 1943.28 1.119 333.39 1944.28 1.132 333.15 1945.28 1.146 332.91 1946.28 1.159 332.68 1947.28 1.172 332.45 1948.28 1.185 332.23 1949.28 1.198 332.01 1950.28 1.210 331.80 1951.28 1.223 331.59 1952.28 1.235 331.39 1953.28 1.248 331.19 1954.28 1.260 331.00 1955.28 1.272 330.80 1956.28 1.284 330.62 1957.28 1.296 330.43 1958.28 1.308 330.25 1959.28 1.319 330.07 1960.28 1.331 329.90 1961.28 1.342 329.72 1962.28 1.353 329.55 1963.28 1.364 329.39 1964.28 1.376 329.22 1965.28 1.386 329.06 1966.28 1.397 328.90 1967.28 1.408 328.75 1968.28 1.419 328.59 1969.28 1.429 328.44 1970.28 1.440 328.29 1971.28 1.450 328.14 1972.28 1.460 328.00 1973.28 1.471 327.86 1974.28 1.481 327.71 1975.28 1.491 327.57 1976.28 1.501 327.44 1977.28 1.510 327.30 1978.28 1.520 327.17 1979.28 1.530 327.04 1980.28 1.539 326.90 1981.28 1.549 326.78 1982.28 1.558 326.65 1983.28 1.568 326.52 1984.28 1.577 326.40 1985.28 1.586 326.27 1986.28 1.595 326.15 1987.28 1.604 326.03 1988.28 1.613 325.91 1989.28 1.622 325.80 1990.28 1.631 325.68 1991.28 1.639 325.57 1992.28 1.648 325.45 1993.28 1.657 325.34 1994.28 1.665 325.23 1995.28 1.673 325.12 1996.28 1.682 325.01 1997.28 1.690 324.90 1998.28 1.698 324.79 1999.28 1.706 324.69 2000.28 1.714 324.58 2001.28 1.722 324.48 2002.28 1.730 324.37 2003.28 1.738 324.27 2004.28 1.746 324.17 2005.28 1.754 324.07 2006.28 1.761 323.97 2007.28 1.769 323.87 2008.28 1.776 323.77 2009.28 1.784 323.68 2010.28 1.791 323.58 2011.28 1.799 323.48 2012.28 1.806 323.39 2013.28 1.813 323.29 2014.28 1.820 323.20 2015.28 1.827 323.11 2016.28 1.834 323.02 2017.28 1.841 322.93 2018.28 1.848 322.84 2019.28 1.855 322.75 2020.28 1.862 322.66 2021.28 1.868 322.57 2022.28 1.875 322.48 2023.28 1.882 322.39 2024.28 1.888 322.31 2025.28 1.895 322.22 2026.28 1.901 322.14 2027.28 1.908 322.05 2028.28 1.914 321.97 2029.28 1.920 321.88 2030.28 1.926 321.80 2031.28 1.933 321.72 2032.28 1.939 321.63 2033.28 1.945 321.55 2034.28 1.951 321.47 2035.28 1.957 321.39 2036.28 1.963 321.31 2037.28 1.968 321.23 2038.28 1.974 321.15 2039.28 1.980 321.07 2040.28 1.986 321.00 2041.28 1.991 320.92 2042.28 1.997 320.84 2043.28 2.002 320.76 2044.28 2.008 320.69 2045.28 2.013 320.61 2046.28 2.019 320.54 2047.28 2.024 320.46 2048.28 2.029 320.38 2049.28 2.034 320.31 2050.28 2.040 320.24 2051.28 2.045 320.16 2052.28 2.050 320.09 2053.28 2.055 320.02 2054.28 2.060 319.94 2055.28 2.065 319.87 2056.28 2.070 319.80 2057.28 2.074 319.73 2058.28 2.079 319.66 2059.28 2.084 319.58 2060.28 2.089 319.51 2061.28 2.093 319.44 2062.28 2.098 319.37 2063.28 2.102 319.30 2064.28 2.107 319.23 2065.28 2.111 319.17 2066.28 2.116 319.10 2067.28 2.120 319.03 2068.28 2.124 318.96 2069.28 2.129 318.89 2070.28 2.133 318.82 2071.28 2.137 318.76 2072.28 2.141 318.69 2073.28 2.145 318.62 2074.28 2.149 318.56 2075.28 2.153 318.49 2076.28 2.157 318.42 2077.28 2.161 318.36 2078.28 2.165 318.29 2079.28 2.169 318.23 2080.28 2.173 318.16 2081.28 2.177 318.10 2082.28 2.180 318.03 2083.28 2.184 317.97 2084.28 2.188 317.90 2085.28 2.191 317.84 2086.28 2.195 317.77 2087.28 2.198 317.71 2088.28 2.202 317.65 2089.28 2.205 317.58 2090.28 2.208 317.52 2091.28 2.212 317.46 2092.28 2.215 317.39 2093.28 2.218 317.33 2094.28 2.221 317.27 2095.28 2.225 317.21 2096.28 2.228 317.14 2097.28 2.231 317.08 2098.28 2.234 317.02 2099.28 2.237 316.96 2100.28 2.240 316.90 2101.28 2.243 316.84 2102.28 2.245 316.78 2103.28 2.248 316.71 2104.28 2.251 316.65 2105.28 2.254 316.59 2106.28 2.257 316.53 2107.28 2.259 316.47 2108.28 2.262 316.41 2109.28 2.264 316.35 2110.28 2.267 316.29 2111.28 2.269 316.23 2112.28 2.272 316.17 2113.28 2.274 316.11 2114.28 2.277 316.05 2115.28 2.279 315.99 2116.28 2.281 315.93 2117.28 2.284 315.88 2118.28 2.286 315.82 2119.28 2.288 315.76 2120.28 2.290 315.70 2121.28 2.292 315.64 2122.28 2.294 315.58 2123.28 2.296 315.52 2124.28 2.298 315.47 2125.28 2.300 315.41 2126.28 2.302 315.35 2127.28 2.304 315.29 2128.28 2.306 315.23 2129.28 2.308 315.18 2130.28 2.309 315.12 2131.28 2.311 315.06 2132.28 2.313 315.00 2133.28 2.314 314.95 2134.28 2.316 314.89 2135.28 2.318 314.83 2136.28 2.319 314.77 2137.28 2.321 314.72 2138.28 2.322 314.66 2139.28 2.324 314.60 2140.28 2.325 314.54 2141.28 2.326 314.49 2142.28 2.328 314.43 2143.28 2.329 314.37 2144.28 2.330 314.32 2145.28 2.331 314.26 2146.28 2.332 314.20 2147.28 2.333 314.15 2148.28 2.335 314.09 2149.28 2.336 314.04 2150.28 2.337 313.98 2151.28 2.338 313.92 2152.28 2.338 313.87 2153.28 2.339 313.81 2154.28 2.340 313.75 2155.28 2.341 313.70 2156.28 2.342 313.64 2157.28 2.342 313.59 2158.28 2.343 313.53 2159.28 2.344 313.47 2160.28 2.344 313.42 2161.28 2.345 313.36 2162.28 2.346 313.31 2163.28 2.346 313.25 2164.28 2.347 313.19 2165.28 2.347 313.14 2166.28 2.347 313.08 2167.28 2.348 313.03 2168.28 2.348 312.97 2169.28 2.348 312.91 2170.28 2.349 312.86 2171.28 2.349 312.80 2172.28 2.349 312.75 2173.28 2.349 312.69 2174.28 2.349 312.64 2175.28 2.349 312.58 2176.28 2.349 312.52 2177.28 2.349 312.47 2178.28 2.349 312.41 2179.28 2.349 312.36 2180.28 2.349 312.30 2181.28 2.349 312.25 2182.28 2.349 312.19 2183.28 2.349 312.13 2184.28 2.348 312.08 2185.28 2.348 312.02 2186.28 2.348 311.97 2187.28 2.347 311.91 2188.28 2.347 311.85 2189.28 2.346 311.80 2190.28 2.346 311.74 2191.28 2.345 311.69 2192.28 2.345 311.63 2193.28 2.344 311.58 2194.28 2.344 311.52 2195.28 2.343 311.46 2196.28 2.342 311.41 2197.28 2.341 311.35 2198.28 2.341 311.29 2199.28 2.340 311.24 2200.28 2.339 311.18 2201.28 2.338 311.13 2202.28 2.337 311.07 2203.28 2.336 311.01 2204.28 2.335 310.96 2205.28 2.334 310.90 2206.28 2.333 310.84 2207.28 2.332 310.79 2208.28 2.331 310.73 2209.28 2.330 310.67 2210.28 2.328 310.62 2211.28 2.327 310.56 2212.28 2.326 310.50 2213.28 2.324 310.45 2214.28 2.323 310.39 2215.28 2.322 310.33 2216.28 2.320 310.28 2217.28 2.319 310.22 2218.28 2.317 310.16 2219.28 2.316 310.10 2220.28 2.314 310.05 2221.28 2.312 309.99 2222.28 2.311 309.93 2223.28 2.309 309.87 2224.28 2.307 309.82 2225.28 2.305 309.76 2226.28 2.304 309.70 2227.28 2.302 309.64 2228.28 2.300 309.58 2229.28 2.298 309.53 2230.28 2.296 309.47 2231.28 2.294 309.41 2232.28 2.292 309.35 2233.28 2.290 309.29 2234.28 2.288 309.23 2235.28 2.285 309.17 2236.28 2.283 309.12 2237.28 2.281 309.06 2238.28 2.279 309.00 2239.28 2.276 308.94 2240.28 2.274 308.88 2241.28 2.271 308.82 2242.28 2.269 308.76 2243.28 2.266 308.70 2244.28 2.264 308.64 2245.28 2.261 308.58 2246.28 2.259 308.52 2247.28 2.256 308.46 2248.28 2.253 308.40 2249.28 2.251 308.34 2250.28 2.248 308.28 2251.28 2.245 308.22 2252.28 2.242 308.15 2253.28 2.239 308.09 2254.28 2.236 308.03 2255.28 2.234 307.97 2256.28 2.231 307.91 2257.28 2.227 307.85 2258.28 2.224 307.78 2259.28 2.221 307.72 2260.28 2.218 307.66 2261.28 2.215 307.60 2262.28 2.212 307.53 2263.28 2.208 307.47 2264.28 2.205 307.41 2265.28 2.202 307.35 2266.28 2.198 307.28 2267.28 2.195 307.22 2268.28 2.191 307.15 2269.28 2.188 307.09 2270.28 2.184 307.03 2271.28 2.181 306.96 2272.28 2.177 306.90 2273.28 2.173 306.83 2274.28 2.169 306.77 2275.28 2.166 306.70 2276.28 2.162 306.63 2277.28 2.158 306.57 2278.28 2.154 306.50 2279.28 2.150 306.44 2280.28 2.146 306.37 2281.28 2.142 306.30 2282.28 2.138 306.23 2283.28 2.134 306.17 2284.28 2.130 306.10 2285.28 2.125 306.03 2286.28 2.121 305.96 2287.28 2.117 305.89 2288.28 2.112 305.83 2289.28 2.108 305.76 2290.28 2.104 305.69 2291.28 2.099 305.62 2292.28 2.095 305.55 2293.28 2.090 305.48 2294.28 2.085 305.41 2295.28 2.081 305.34 2296.28 2.076 305.26 2297.28 2.071 305.19 2298.28 2.066 305.12 2299.28 2.062 305.05 2300.28 2.057 304.98 2301.28 2.052 304.90 2302.28 2.047 304.83 2303.28 2.042 304.76 2304.28 2.037 304.68 2305.28 2.031 304.61 2306.28 2.026 304.53 2307.28 2.021 304.46 2308.28 2.016 304.38 2309.28 2.010 304.31 2310.28 2.005 304.23 2311.28 2.000 304.15 2312.28 1.994 304.08
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 16:46:01 |