| WDS: | STF1643AB | WDS ID/Discoverer |
| P: | 549.410 | Orbital period (years) |
| a: | 2.695 | Semi-major axis (arcseconds) |
| i: | 115.2 | Inclination (degrees) |
| Ω: | 155.3 | Longitude of ascending node (degrees) |
| T: | 2193.490 | Epoch of periastron passage (year) |
| e: | 0.58 | Eccentricity |
| ω: | 286.1 | Longitude of periastron (degrees) |
| Start-Year: | 1750.295 | Year |
| End-Year: | 2299.705 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1643AB |
||
| Position: | 122713.72+270129.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 12272+2701 | WDS designation |
| Discoverer Code: | STF1643AB | Discover designation and components |
| ADS number: | 8553 | Aitken Double Star catalog |
| HD number: | 108421 | HD catalog number |
| Hipparcos number: | 60759 | Hipparcos catalog number |
| V1: | 9.03 | Magnitude of the primary |
| V2: | 9.45 | Magnitude of the secondary |
| Equinox: | 2000 | 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: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Ole2003b | 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 2.758 1.34 -------------------------- 1750.30 1.852 117.95 1751.30 1.849 117.47 1752.30 1.846 116.98 1753.30 1.843 116.50 1754.30 1.839 116.01 1755.30 1.836 115.52 1756.30 1.833 115.03 1757.30 1.829 114.54 1758.30 1.826 114.04 1759.30 1.823 113.55 1760.30 1.819 113.05 1761.30 1.816 112.55 1762.30 1.812 112.05 1763.30 1.809 111.55 1764.30 1.805 111.04 1765.30 1.802 110.53 1766.30 1.799 110.02 1767.30 1.795 109.51 1768.30 1.792 109.00 1769.30 1.788 108.48 1770.30 1.785 107.97 1771.30 1.782 107.45 1772.30 1.778 106.93 1773.30 1.775 106.40 1774.30 1.772 105.88 1775.30 1.769 105.35 1776.30 1.765 104.82 1777.30 1.762 104.29 1778.30 1.759 103.76 1779.30 1.756 103.23 1780.30 1.753 102.69 1781.30 1.750 102.15 1782.30 1.747 101.61 1783.30 1.744 101.07 1784.30 1.741 100.53 1785.30 1.739 99.98 1786.30 1.736 99.44 1787.30 1.733 98.89 1788.30 1.730 98.34 1789.30 1.728 97.78 1790.30 1.725 97.23 1791.30 1.723 96.67 1792.30 1.720 96.12 1793.30 1.718 95.56 1794.30 1.716 95.00 1795.30 1.714 94.44 1796.30 1.712 93.88 1797.30 1.710 93.31 1798.30 1.708 92.75 1799.30 1.706 92.18 1800.30 1.704 91.61 1801.30 1.702 91.04 1802.30 1.701 90.47 1803.30 1.699 89.90 1804.30 1.698 89.33 1805.30 1.696 88.76 1806.30 1.695 88.18 1807.30 1.694 87.61 1808.30 1.692 87.03 1809.30 1.691 86.45 1810.30 1.690 85.88 1811.30 1.690 85.30 1812.30 1.689 84.72 1813.30 1.688 84.14 1814.30 1.688 83.56 1815.30 1.687 82.98 1816.30 1.687 82.40 1817.30 1.686 81.82 1818.30 1.686 81.24 1819.30 1.686 80.66 1820.30 1.686 80.08 1821.30 1.686 79.50 1822.30 1.686 78.92 1823.30 1.686 78.34 1824.30 1.687 77.76 1825.30 1.687 77.18 1826.30 1.688 76.60 1827.30 1.689 76.02 1828.30 1.689 75.44 1829.30 1.690 74.86 1830.30 1.691 74.28 1831.30 1.692 73.71 1832.30 1.693 73.13 1833.30 1.695 72.56 1834.30 1.696 71.98 1835.30 1.698 71.41 1836.30 1.699 70.84 1837.30 1.701 70.26 1838.30 1.703 69.69 1839.30 1.705 69.13 1840.30 1.706 68.56 1841.30 1.709 67.99 1842.30 1.711 67.43 1843.30 1.713 66.86 1844.30 1.715 66.30 1845.30 1.718 65.74 1846.30 1.720 65.18 1847.30 1.723 64.63 1848.30 1.726 64.07 1849.30 1.729 63.52 1850.30 1.732 62.97 1851.30 1.735 62.42 1852.30 1.738 61.87 1853.30 1.741 61.32 1854.30 1.744 60.78 1855.30 1.748 60.24 1856.30 1.751 59.70 1857.30 1.755 59.16 1858.30 1.758 58.63 1859.30 1.762 58.10 1860.30 1.766 57.57 1861.30 1.770 57.04 1862.30 1.774 56.51 1863.30 1.778 55.99 1864.30 1.782 55.47 1865.30 1.787 54.95 1866.30 1.791 54.43 1867.30 1.795 53.92 1868.30 1.800 53.41 1869.30 1.804 52.90 1870.30 1.809 52.39 1871.30 1.814 51.89 1872.30 1.819 51.39 1873.30 1.824 50.89 1874.30 1.829 50.40 1875.30 1.834 49.91 1876.30 1.839 49.42 1877.30 1.844 48.93 1878.30 1.849 48.45 1879.30 1.854 47.96 1880.30 1.860 47.49 1881.30 1.865 47.01 1882.30 1.871 46.54 1883.30 1.876 46.07 1884.30 1.882 45.60 1885.30 1.888 45.13 1886.30 1.893 44.67 1887.30 1.899 44.21 1888.30 1.905 43.76 1889.30 1.911 43.30 1890.30 1.917 42.85 1891.30 1.923 42.41 1892.30 1.929 41.96 1893.30 1.935 41.52 1894.30 1.941 41.08 1895.30 1.947 40.64 1896.30 1.954 40.21 1897.30 1.960 39.78 1898.30 1.966 39.35 1899.30 1.973 38.92 1900.30 1.979 38.50 1901.30 1.986 38.08 1902.30 1.992 37.66 1903.30 1.999 37.25 1904.30 2.005 36.84 1905.30 2.012 36.43 1906.30 2.019 36.02 1907.30 2.025 35.62 1908.30 2.032 35.22 1909.30 2.039 34.82 1910.30 2.046 34.42 1911.30 2.053 34.03 1912.30 2.059 33.64 1913.30 2.066 33.25 1914.30 2.073 32.87 1915.30 2.080 32.48 1916.30 2.087 32.10 1917.30 2.094 31.72 1918.30 2.101 31.35 1919.30 2.108 30.98 1920.30 2.115 30.61 1921.30 2.122 30.24 1922.30 2.129 29.87 1923.30 2.136 29.51 1924.30 2.143 29.15 1925.30 2.150 28.79 1926.30 2.158 28.44 1927.30 2.165 28.08 1928.30 2.172 27.73 1929.30 2.179 27.38 1930.30 2.186 27.04 1931.30 2.193 26.69 1932.30 2.200 26.35 1933.30 2.208 26.01 1934.30 2.215 25.67 1935.30 2.222 25.34 1936.30 2.229 25.00 1937.30 2.236 24.67 1938.30 2.244 24.34 1939.30 2.251 24.02 1940.30 2.258 23.69 1941.30 2.265 23.37 1942.30 2.272 23.05 1943.30 2.279 22.73 1944.30 2.287 22.41 1945.30 2.294 22.10 1946.30 2.301 21.79 1947.30 2.308 21.48 1948.30 2.315 21.17 1949.30 2.322 20.86 1950.30 2.329 20.55 1951.30 2.336 20.25 1952.30 2.343 19.95 1953.30 2.351 19.65 1954.30 2.358 19.35 1955.30 2.365 19.06 1956.30 2.372 18.76 1957.30 2.379 18.47 1958.30 2.386 18.18 1959.30 2.392 17.89 1960.30 2.399 17.60 1961.30 2.406 17.32 1962.30 2.413 17.03 1963.30 2.420 16.75 1964.30 2.427 16.47 1965.30 2.434 16.19 1966.30 2.440 15.91 1967.30 2.447 15.63 1968.30 2.454 15.36 1969.30 2.460 15.08 1970.30 2.467 14.81 1971.30 2.474 14.54 1972.30 2.480 14.27 1973.30 2.487 14.01 1974.30 2.493 13.74 1975.30 2.500 13.47 1976.30 2.506 13.21 1977.30 2.512 12.95 1978.30 2.519 12.69 1979.30 2.525 12.43 1980.30 2.531 12.17 1981.30 2.538 11.91 1982.30 2.544 11.66 1983.30 2.550 11.40 1984.30 2.556 11.15 1985.30 2.562 10.90 1986.30 2.568 10.65 1987.30 2.574 10.40 1988.30 2.580 10.15 1989.30 2.586 9.90 1990.30 2.591 9.65 1991.30 2.597 9.41 1992.30 2.603 9.17 1993.30 2.609 8.92 1994.30 2.614 8.68 1995.30 2.620 8.44 1996.30 2.625 8.20 1997.30 2.630 7.96 1998.30 2.636 7.72 1999.30 2.641 7.48 2000.30 2.646 7.25 2001.30 2.651 7.01 2002.30 2.657 6.78 2003.30 2.662 6.55 2004.30 2.667 6.31 2005.30 2.671 6.08 2006.30 2.676 5.85 2007.30 2.681 5.62 2008.30 2.686 5.39 2009.30 2.690 5.16 2010.30 2.695 4.94 2011.30 2.699 4.71 2012.30 2.704 4.48 2013.30 2.708 4.26 2014.30 2.712 4.03 2015.30 2.717 3.81 2016.30 2.721 3.58 2017.30 2.725 3.36 2018.30 2.729 3.14 2019.30 2.732 2.92 2020.30 2.736 2.70 2021.30 2.740 2.48 2022.30 2.743 2.26 2023.30 2.747 2.04 2024.30 2.750 1.82 2025.30 2.754 1.60 2026.30 2.757 1.38 2027.30 2.760 1.17 2028.30 2.763 0.95 2029.30 2.766 0.74 2030.30 2.769 0.52 2031.30 2.772 0.31 2032.30 2.774 0.09 2033.30 2.777 359.88 2034.30 2.779 359.66 2035.30 2.782 359.45 2036.30 2.784 359.24 2037.30 2.786 359.02 2038.30 2.788 358.81 2039.30 2.790 358.60 2040.30 2.792 358.39 2041.30 2.794 358.17 2042.30 2.795 357.96 2043.30 2.797 357.75 2044.30 2.798 357.54 2045.30 2.800 357.33 2046.30 2.801 357.12 2047.30 2.802 356.91 2048.30 2.803 356.70 2049.30 2.803 356.49 2050.30 2.804 356.28 2051.30 2.805 356.07 2052.30 2.805 355.86 2053.30 2.805 355.65 2054.30 2.805 355.44 2055.30 2.805 355.23 2056.30 2.805 355.02 2057.30 2.805 354.81 2058.30 2.805 354.60 2059.30 2.804 354.39 2060.30 2.803 354.18 2061.30 2.803 353.97 2062.30 2.802 353.76 2063.30 2.801 353.55 2064.30 2.799 353.34 2065.30 2.798 353.13 2066.30 2.796 352.92 2067.30 2.795 352.71 2068.30 2.793 352.50 2069.30 2.791 352.28 2070.30 2.788 352.07 2071.30 2.786 351.86 2072.30 2.783 351.65 2073.30 2.781 351.43 2074.30 2.778 351.22 2075.30 2.775 351.01 2076.30 2.771 350.79 2077.30 2.768 350.58 2078.30 2.764 350.36 2079.30 2.761 350.14 2080.30 2.757 349.93 2081.30 2.752 349.71 2082.30 2.748 349.49 2083.30 2.743 349.27 2084.30 2.739 349.05 2085.30 2.734 348.83 2086.30 2.729 348.61 2087.30 2.723 348.39 2088.30 2.718 348.17 2089.30 2.712 347.94 2090.30 2.706 347.72 2091.30 2.700 347.49 2092.30 2.693 347.26 2093.30 2.686 347.04 2094.30 2.679 346.81 2095.30 2.672 346.58 2096.30 2.665 346.34 2097.30 2.657 346.11 2098.30 2.649 345.88 2099.30 2.641 345.64 2100.30 2.633 345.40 2101.30 2.624 345.16 2102.30 2.615 344.92 2103.30 2.606 344.68 2104.30 2.596 344.44 2105.30 2.587 344.19 2106.30 2.577 343.94 2107.30 2.566 343.69 2108.30 2.556 343.44 2109.30 2.545 343.19 2110.30 2.534 342.93 2111.30 2.522 342.67 2112.30 2.510 342.41 2113.30 2.498 342.15 2114.30 2.486 341.88 2115.30 2.473 341.62 2116.30 2.460 341.34 2117.30 2.447 341.07 2118.30 2.433 340.79 2119.30 2.419 340.51 2120.30 2.404 340.23 2121.30 2.389 339.94 2122.30 2.374 339.65 2123.30 2.359 339.36 2124.30 2.343 339.06 2125.30 2.326 338.75 2126.30 2.310 338.45 2127.30 2.292 338.14 2128.30 2.275 337.82 2129.30 2.257 337.50 2130.30 2.239 337.17 2131.30 2.220 336.84 2132.30 2.200 336.50 2133.30 2.181 336.16 2134.30 2.160 335.81 2135.30 2.140 335.45 2136.30 2.119 335.09 2137.30 2.097 334.71 2138.30 2.075 334.33 2139.30 2.052 333.95 2140.30 2.029 333.55 2141.30 2.006 333.14 2142.30 1.981 332.73 2143.30 1.957 332.30 2144.30 1.932 331.87 2145.30 1.906 331.42 2146.30 1.879 330.96 2147.30 1.852 330.48 2148.30 1.825 330.00 2149.30 1.797 329.49 2150.30 1.768 328.97 2151.30 1.739 328.44 2152.30 1.709 327.88 2153.30 1.678 327.30 2154.30 1.647 326.71 2155.30 1.615 326.09 2156.30 1.583 325.44 2157.30 1.550 324.77 2158.30 1.516 324.07 2159.30 1.482 323.33 2160.30 1.447 322.56 2161.30 1.411 321.75 2162.30 1.375 320.90 2163.30 1.338 320.01 2164.30 1.301 319.06 2165.30 1.263 318.05 2166.30 1.224 316.99 2167.30 1.185 315.85 2168.30 1.145 314.63 2169.30 1.105 313.33 2170.30 1.065 311.93 2171.30 1.024 310.41 2172.30 0.983 308.77 2173.30 0.942 306.99 2174.30 0.901 305.04 2175.30 0.860 302.91 2176.30 0.819 300.57 2177.30 0.779 297.98 2178.30 0.739 295.11 2179.30 0.701 291.92 2180.30 0.664 288.38 2181.30 0.629 284.42 2182.30 0.597 280.03 2183.30 0.567 275.15 2184.30 0.542 269.77 2185.30 0.520 263.90 2186.30 0.504 257.59 2187.30 0.493 250.94 2188.30 0.489 244.07 2189.30 0.490 237.17 2190.30 0.498 230.40 2191.30 0.512 223.91 2192.30 0.531 217.82 2193.30 0.554 212.20 2194.30 0.582 207.08 2195.30 0.612 202.45 2196.30 0.646 198.27 2197.30 0.681 194.51 2198.30 0.717 191.13 2199.30 0.755 188.08 2200.30 0.793 185.33 2201.30 0.832 182.83 2202.30 0.871 180.55 2203.30 0.910 178.47 2204.30 0.948 176.55 2205.30 0.986 174.79 2206.30 1.023 173.15 2207.30 1.060 171.63 2208.30 1.096 170.21 2209.30 1.131 168.88 2210.30 1.165 167.62 2211.30 1.199 166.44 2212.30 1.231 165.33 2213.30 1.263 164.26 2214.30 1.293 163.25 2215.30 1.323 162.29 2216.30 1.352 161.37 2217.30 1.379 160.48 2218.30 1.406 159.63 2219.30 1.432 158.81 2220.30 1.457 158.02 2221.30 1.481 157.25 2222.30 1.504 156.51 2223.30 1.526 155.79 2224.30 1.547 155.09 2225.30 1.567 154.41 2226.30 1.587 153.75 2227.30 1.606 153.10 2228.30 1.624 152.47 2229.30 1.641 151.85 2230.30 1.657 151.24 2231.30 1.673 150.65 2232.30 1.688 150.06 2233.30 1.703 149.49 2234.30 1.716 148.92 2235.30 1.730 148.37 2236.30 1.742 147.82 2237.30 1.754 147.28 2238.30 1.765 146.74 2239.30 1.776 146.22 2240.30 1.786 145.70 2241.30 1.796 145.18 2242.30 1.805 144.67 2243.30 1.814 144.17 2244.30 1.822 143.67 2245.30 1.830 143.18 2246.30 1.837 142.68 2247.30 1.844 142.20 2248.30 1.850 141.71 2249.30 1.856 141.23 2250.30 1.862 140.75 2251.30 1.867 140.28 2252.30 1.872 139.81 2253.30 1.877 139.34 2254.30 1.881 138.87 2255.30 1.885 138.40 2256.30 1.888 137.94 2257.30 1.892 137.48 2258.30 1.894 137.02 2259.30 1.897 136.56 2260.30 1.900 136.10 2261.30 1.902 135.64 2262.30 1.903 135.19 2263.30 1.905 134.73 2264.30 1.906 134.28 2265.30 1.908 133.82 2266.30 1.908 133.37 2267.30 1.909 132.92 2268.30 1.910 132.47 2269.30 1.910 132.01 2270.30 1.910 131.56 2271.30 1.910 131.11 2272.30 1.910 130.65 2273.30 1.909 130.20 2274.30 1.908 129.75 2275.30 1.908 129.30 2276.30 1.907 128.84 2277.30 1.905 128.39 2278.30 1.904 127.93 2279.30 1.903 127.48 2280.30 1.901 127.02 2281.30 1.900 126.56 2282.30 1.898 126.11 2283.30 1.896 125.65 2284.30 1.894 125.19 2285.30 1.892 124.73 2286.30 1.890 124.27 2287.30 1.887 123.80 2288.30 1.885 123.34 2289.30 1.882 122.87 2290.30 1.880 122.41 2291.30 1.877 121.94 2292.30 1.874 121.47 2293.30 1.872 121.00 2294.30 1.869 120.53 2295.30 1.866 120.05 2296.30 1.863 119.58 2297.30 1.860 119.10 2298.30 1.857 118.62 2299.30 1.854 118.14
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:46:22 |