| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:10:51 |
| 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: | 1738.0 | Year |
| End-Year: | 2312.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.893 322.2 ------------------------- 1738.0 1.988 304.0 1739.0 1.982 303.9 1740.0 1.977 303.8 1741.0 1.971 303.8 1742.0 1.965 303.7 1743.0 1.959 303.6 1744.0 1.954 303.5 1745.0 1.948 303.4 1746.0 1.942 303.3 1747.0 1.936 303.3 1748.0 1.930 303.2 1749.0 1.924 303.1 1750.0 1.917 303.0 1751.0 1.911 302.9 1752.0 1.905 302.9 1753.0 1.899 302.8 1754.0 1.892 302.7 1755.0 1.886 302.6 1756.0 1.879 302.5 1757.0 1.873 302.4 1758.0 1.866 302.3 1759.0 1.860 302.2 1760.0 1.853 302.2 1761.0 1.846 302.1 1762.0 1.840 302.0 1763.0 1.833 301.9 1764.0 1.826 301.8 1765.0 1.819 301.7 1766.0 1.812 301.6 1767.0 1.805 301.5 1768.0 1.798 301.4 1769.0 1.790 301.3 1770.0 1.783 301.2 1771.0 1.776 301.1 1772.0 1.768 301.0 1773.0 1.761 300.9 1774.0 1.753 300.8 1775.0 1.746 300.7 1776.0 1.738 300.6 1777.0 1.731 300.5 1778.0 1.723 300.4 1779.0 1.715 300.3 1780.0 1.707 300.2 1781.0 1.699 300.1 1782.0 1.691 300.0 1783.0 1.683 299.9 1784.0 1.675 299.8 1785.0 1.667 299.7 1786.0 1.658 299.6 1787.0 1.650 299.4 1788.0 1.642 299.3 1789.0 1.633 299.2 1790.0 1.625 299.1 1791.0 1.616 299.0 1792.0 1.607 298.9 1793.0 1.599 298.7 1794.0 1.590 298.6 1795.0 1.581 298.5 1796.0 1.572 298.4 1797.0 1.563 298.3 1798.0 1.554 298.1 1799.0 1.544 298.0 1800.0 1.535 297.9 1801.0 1.526 297.7 1802.0 1.516 297.6 1803.0 1.507 297.5 1804.0 1.497 297.3 1805.0 1.487 297.2 1806.0 1.478 297.1 1807.0 1.468 296.9 1808.0 1.458 296.8 1809.0 1.448 296.6 1810.0 1.438 296.5 1811.0 1.427 296.3 1812.0 1.417 296.2 1813.0 1.407 296.0 1814.0 1.396 295.9 1815.0 1.386 295.7 1816.0 1.375 295.5 1817.0 1.364 295.4 1818.0 1.353 295.2 1819.0 1.342 295.0 1820.0 1.331 294.9 1821.0 1.320 294.7 1822.0 1.309 294.5 1823.0 1.298 294.3 1824.0 1.286 294.2 1825.0 1.274 294.0 1826.0 1.263 293.8 1827.0 1.251 293.6 1828.0 1.239 293.4 1829.0 1.227 293.2 1830.0 1.215 293.0 1831.0 1.203 292.8 1832.0 1.190 292.5 1833.0 1.178 292.3 1834.0 1.165 292.1 1835.0 1.152 291.9 1836.0 1.140 291.6 1837.0 1.127 291.4 1838.0 1.113 291.2 1839.0 1.100 290.9 1840.0 1.087 290.6 1841.0 1.073 290.4 1842.0 1.059 290.1 1843.0 1.046 289.8 1844.0 1.032 289.6 1845.0 1.017 289.3 1846.0 1.003 289.0 1847.0 0.989 288.6 1848.0 0.974 288.3 1849.0 0.959 288.0 1850.0 0.944 287.7 1851.0 0.929 287.3 1852.0 0.914 286.9 1853.0 0.898 286.6 1854.0 0.882 286.2 1855.0 0.866 285.8 1856.0 0.850 285.4 1857.0 0.834 284.9 1858.0 0.817 284.5 1859.0 0.801 284.0 1860.0 0.784 283.5 1861.0 0.766 283.0 1862.0 0.749 282.5 1863.0 0.731 281.9 1864.0 0.713 281.3 1865.0 0.695 280.7 1866.0 0.676 280.0 1867.0 0.657 279.3 1868.0 0.638 278.6 1869.0 0.618 277.8 1870.0 0.598 277.0 1871.0 0.578 276.1 1872.0 0.557 275.2 1873.0 0.536 274.1 1874.0 0.515 273.0 1875.0 0.493 271.8 1876.0 0.471 270.5 1877.0 0.448 269.0 1878.0 0.425 267.4 1879.0 0.401 265.6 1880.0 0.376 263.6 1881.0 0.351 261.2 1882.0 0.326 258.5 1883.0 0.299 255.4 1884.0 0.273 251.6 1885.0 0.245 247.0 1886.0 0.217 241.2 1887.0 0.189 233.7 1888.0 0.161 223.6 1889.0 0.134 209.3 1890.0 0.112 188.7 1891.0 0.096 159.4 1892.0 0.090 122.9 1893.0 0.098 87.0 1894.0 0.119 60.0 1895.0 0.147 42.3 1896.0 0.177 30.4 1897.0 0.209 22.1 1898.0 0.239 15.9 1899.0 0.269 11.2 1900.0 0.299 7.4 1901.0 0.327 4.2 1902.0 0.354 1.5 1903.0 0.381 359.3 1904.0 0.407 357.3 1905.0 0.433 355.5 1906.0 0.457 354.0 1907.0 0.481 352.6 1908.0 0.505 351.3 1909.0 0.528 350.2 1910.0 0.550 349.1 1911.0 0.572 348.1 1912.0 0.594 347.2 1913.0 0.615 346.4 1914.0 0.635 345.6 1915.0 0.656 344.9 1916.0 0.675 344.2 1917.0 0.695 343.5 1918.0 0.714 342.9 1919.0 0.733 342.3 1920.0 0.752 341.7 1921.0 0.770 341.2 1922.0 0.788 340.7 1923.0 0.806 340.2 1924.0 0.823 339.8 1925.0 0.841 339.3 1926.0 0.858 338.9 1927.0 0.874 338.5 1928.0 0.891 338.1 1929.0 0.907 337.7 1930.0 0.923 337.3 1931.0 0.939 337.0 1932.0 0.955 336.6 1933.0 0.970 336.3 1934.0 0.985 336.0 1935.0 1.000 335.7 1936.0 1.015 335.4 1937.0 1.030 335.1 1938.0 1.045 334.8 1939.0 1.059 334.5 1940.0 1.073 334.2 1941.0 1.087 334.0 1942.0 1.101 333.7 1943.0 1.115 333.5 1944.0 1.128 333.2 1945.0 1.142 333.0 1946.0 1.155 332.7 1947.0 1.168 332.5 1948.0 1.181 332.3 1949.0 1.194 332.1 1950.0 1.207 331.9 1951.0 1.219 331.7 1952.0 1.232 331.4 1953.0 1.244 331.2 1954.0 1.257 331.1 1955.0 1.269 330.9 1956.0 1.281 330.7 1957.0 1.292 330.5 1958.0 1.304 330.3 1959.0 1.316 330.1 1960.0 1.327 329.9 1961.0 1.339 329.8 1962.0 1.350 329.6 1963.0 1.361 329.4 1964.0 1.372 329.3 1965.0 1.383 329.1 1966.0 1.394 328.9 1967.0 1.405 328.8 1968.0 1.416 328.6 1969.0 1.426 328.5 1970.0 1.437 328.3 1971.0 1.447 328.2 1972.0 1.458 328.0 1973.0 1.468 327.9 1974.0 1.478 327.8 1975.0 1.488 327.6 1976.0 1.498 327.5 1977.0 1.508 327.3 1978.0 1.517 327.2 1979.0 1.527 327.1 1980.0 1.537 326.9 1981.0 1.546 326.8 1982.0 1.556 326.7 1983.0 1.565 326.6 1984.0 1.574 326.4 1985.0 1.583 326.3 1986.0 1.593 326.2 1987.0 1.602 326.1 1988.0 1.611 325.9 1989.0 1.619 325.8 1990.0 1.628 325.7 1991.0 1.637 325.6 1992.0 1.646 325.5 1993.0 1.654 325.4 1994.0 1.663 325.3 1995.0 1.671 325.1 1996.0 1.679 325.0 1997.0 1.688 324.9 1998.0 1.696 324.8 1999.0 1.704 324.7 2000.0 1.712 324.6 2001.0 1.720 324.5 2002.0 1.728 324.4 2003.0 1.736 324.3 2004.0 1.744 324.2 2005.0 1.751 324.1 2006.0 1.759 324.0 2007.0 1.767 323.9 2008.0 1.774 323.8 2009.0 1.782 323.7 2010.0 1.789 323.6 2011.0 1.796 323.5 2012.0 1.804 323.4 2013.0 1.811 323.3 2014.0 1.818 323.2 2015.0 1.825 323.1 2016.0 1.832 323.0 2017.0 1.839 323.0 2018.0 1.846 322.9 2019.0 1.853 322.8 2020.0 1.860 322.7 2021.0 1.867 322.6 2022.0 1.873 322.5 2023.0 1.880 322.4 2024.0 1.886 322.3 2025.0 1.893 322.2 2026.0 1.899 322.2 2027.0 1.906 322.1 2028.0 1.912 322.0 2029.0 1.918 321.9 2030.0 1.925 321.8 2031.0 1.931 321.7 2032.0 1.937 321.7 2033.0 1.943 321.6 2034.0 1.949 321.5 2035.0 1.955 321.4 2036.0 1.961 321.3 2037.0 1.967 321.3 2038.0 1.973 321.2 2039.0 1.978 321.1 2040.0 1.984 321.0 2041.0 1.990 320.9 2042.0 1.995 320.9 2043.0 2.001 320.8 2044.0 2.006 320.7 2045.0 2.012 320.6 2046.0 2.017 320.6 2047.0 2.022 320.5 2048.0 2.028 320.4 2049.0 2.033 320.3 2050.0 2.038 320.3 2051.0 2.043 320.2 2052.0 2.048 320.1 2053.0 2.053 320.0 2054.0 2.058 320.0 2055.0 2.063 319.9 2056.0 2.068 319.8 2057.0 2.073 319.7 2058.0 2.078 319.7 2059.0 2.083 319.6 2060.0 2.087 319.5 2061.0 2.092 319.5 2062.0 2.097 319.4 2063.0 2.101 319.3 2064.0 2.106 319.3 2065.0 2.110 319.2 2066.0 2.115 319.1 2067.0 2.119 319.0 2068.0 2.123 319.0 2069.0 2.128 318.9 2070.0 2.132 318.8 2071.0 2.136 318.8 2072.0 2.140 318.7 2073.0 2.144 318.6 2074.0 2.148 318.6 2075.0 2.152 318.5 2076.0 2.156 318.4 2077.0 2.160 318.4 2078.0 2.164 318.3 2079.0 2.168 318.2 2080.0 2.172 318.2 2081.0 2.176 318.1 2082.0 2.179 318.0 2083.0 2.183 318.0 2084.0 2.187 317.9 2085.0 2.190 317.9 2086.0 2.194 317.8 2087.0 2.197 317.7 2088.0 2.201 317.7 2089.0 2.204 317.6 2090.0 2.207 317.5 2091.0 2.211 317.5 2092.0 2.214 317.4 2093.0 2.217 317.3 2094.0 2.221 317.3 2095.0 2.224 317.2 2096.0 2.227 317.2 2097.0 2.230 317.1 2098.0 2.233 317.0 2099.0 2.236 317.0 2100.0 2.239 316.9 2101.0 2.242 316.9 2102.0 2.245 316.8 2103.0 2.247 316.7 2104.0 2.250 316.7 2105.0 2.253 316.6 2106.0 2.256 316.5 2107.0 2.258 316.5 2108.0 2.261 316.4 2109.0 2.264 316.4 2110.0 2.266 316.3 2111.0 2.269 316.2 2112.0 2.271 316.2 2113.0 2.274 316.1 2114.0 2.276 316.1 2115.0 2.278 316.0 2116.0 2.281 316.0 2117.0 2.283 315.9 2118.0 2.285 315.8 2119.0 2.287 315.8 2120.0 2.290 315.7 2121.0 2.292 315.7 2122.0 2.294 315.6 2123.0 2.296 315.5 2124.0 2.298 315.5 2125.0 2.300 315.4 2126.0 2.302 315.4 2127.0 2.304 315.3 2128.0 2.305 315.2 2129.0 2.307 315.2 2130.0 2.309 315.1 2131.0 2.311 315.1 2132.0 2.312 315.0 2133.0 2.314 315.0 2134.0 2.316 314.9 2135.0 2.317 314.8 2136.0 2.319 314.8 2137.0 2.320 314.7 2138.0 2.322 314.7 2139.0 2.323 314.6 2140.0 2.325 314.6 2141.0 2.326 314.5 2142.0 2.327 314.4 2143.0 2.328 314.4 2144.0 2.330 314.3 2145.0 2.331 314.3 2146.0 2.332 314.2 2147.0 2.333 314.2 2148.0 2.334 314.1 2149.0 2.335 314.1 2150.0 2.336 314.0 2151.0 2.337 313.9 2152.0 2.338 313.9 2153.0 2.339 313.8 2154.0 2.340 313.8 2155.0 2.341 313.7 2156.0 2.342 313.7 2157.0 2.342 313.6 2158.0 2.343 313.5 2159.0 2.344 313.5 2160.0 2.344 313.4 2161.0 2.345 313.4 2162.0 2.345 313.3 2163.0 2.346 313.3 2164.0 2.346 313.2 2165.0 2.347 313.2 2166.0 2.347 313.1 2167.0 2.348 313.0 2168.0 2.348 313.0 2169.0 2.348 312.9 2170.0 2.349 312.9 2171.0 2.349 312.8 2172.0 2.349 312.8 2173.0 2.349 312.7 2174.0 2.349 312.7 2175.0 2.349 312.6 2176.0 2.349 312.5 2177.0 2.349 312.5 2178.0 2.349 312.4 2179.0 2.349 312.4 2180.0 2.349 312.3 2181.0 2.349 312.3 2182.0 2.349 312.2 2183.0 2.349 312.1 2184.0 2.348 312.1 2185.0 2.348 312.0 2186.0 2.348 312.0 2187.0 2.347 311.9 2188.0 2.347 311.9 2189.0 2.347 311.8 2190.0 2.346 311.8 2191.0 2.346 311.7 2192.0 2.345 311.6 2193.0 2.344 311.6 2194.0 2.344 311.5 2195.0 2.343 311.5 2196.0 2.342 311.4 2197.0 2.342 311.4 2198.0 2.341 311.3 2199.0 2.340 311.3 2200.0 2.339 311.2 2201.0 2.338 311.1 2202.0 2.337 311.1 2203.0 2.336 311.0 2204.0 2.335 311.0 2205.0 2.334 310.9 2206.0 2.333 310.9 2207.0 2.332 310.8 2208.0 2.331 310.7 2209.0 2.330 310.7 2210.0 2.329 310.6 2211.0 2.327 310.6 2212.0 2.326 310.5 2213.0 2.325 310.5 2214.0 2.323 310.4 2215.0 2.322 310.3 2216.0 2.321 310.3 2217.0 2.319 310.2 2218.0 2.318 310.2 2219.0 2.316 310.1 2220.0 2.314 310.1 2221.0 2.313 310.0 2222.0 2.311 309.9 2223.0 2.309 309.9 2224.0 2.308 309.8 2225.0 2.306 309.8 2226.0 2.304 309.7 2227.0 2.302 309.7 2228.0 2.300 309.6 2229.0 2.298 309.5 2230.0 2.296 309.5 2231.0 2.294 309.4 2232.0 2.292 309.4 2233.0 2.290 309.3 2234.0 2.288 309.2 2235.0 2.286 309.2 2236.0 2.284 309.1 2237.0 2.281 309.1 2238.0 2.279 309.0 2239.0 2.277 309.0 2240.0 2.275 308.9 2241.0 2.272 308.8 2242.0 2.270 308.8 2243.0 2.267 308.7 2244.0 2.265 308.7 2245.0 2.262 308.6 2246.0 2.260 308.5 2247.0 2.257 308.5 2248.0 2.254 308.4 2249.0 2.251 308.4 2250.0 2.249 308.3 2251.0 2.246 308.2 2252.0 2.243 308.2 2253.0 2.240 308.1 2254.0 2.237 308.0 2255.0 2.234 308.0 2256.0 2.231 307.9 2257.0 2.228 307.9 2258.0 2.225 307.8 2259.0 2.222 307.7 2260.0 2.219 307.7 2261.0 2.216 307.6 2262.0 2.213 307.6 2263.0 2.209 307.5 2264.0 2.206 307.4 2265.0 2.203 307.4 2266.0 2.199 307.3 2267.0 2.196 307.2 2268.0 2.192 307.2 2269.0 2.189 307.1 2270.0 2.185 307.0 2271.0 2.182 307.0 2272.0 2.178 306.9 2273.0 2.174 306.8 2274.0 2.170 306.8 2275.0 2.167 306.7 2276.0 2.163 306.7 2277.0 2.159 306.6 2278.0 2.155 306.5 2279.0 2.151 306.5 2280.0 2.147 306.4 2281.0 2.143 306.3 2282.0 2.139 306.3 2283.0 2.135 306.2 2284.0 2.131 306.1 2285.0 2.127 306.1 2286.0 2.122 306.0 2287.0 2.118 305.9 2288.0 2.114 305.8 2289.0 2.109 305.8 2290.0 2.105 305.7 2291.0 2.100 305.6 2292.0 2.096 305.6 2293.0 2.091 305.5 2294.0 2.087 305.4 2295.0 2.082 305.4 2296.0 2.077 305.3 2297.0 2.073 305.2 2298.0 2.068 305.1 2299.0 2.063 305.1 2300.0 2.058 305.0 2301.0 2.053 304.9 2302.0 2.048 304.9 2303.0 2.043 304.8 2304.0 2.038 304.7 2305.0 2.033 304.6 2306.0 2.028 304.6 2307.0 2.022 304.5 2308.0 2.017 304.4 2309.0 2.012 304.3 2310.0 2.007 304.3 2311.0 2.001 304.2