| WDS: | STF2744AB | WDS ID/Discoverer |
| P: | 642.817 | Orbital period (years) |
| a: | 1.813 | Semi-major axis (arcseconds) |
| i: | 125.792 | Inclination (degrees) |
| Ω: | 92.661 | Longitude of ascending node (degrees) |
| T: | 2075.440 | Epoch of periastron passage (year) |
| e: | 0.58393 | Eccentricity |
| ω: | 72.512 | Longitude of periastron (degrees) |
| Start-Year: | 1703.5916 | Year |
| End-Year: | 2346.4084 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2744AB |
||
| Position: | 210303.09+013155.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21031+0132 | WDS designation |
| Discoverer Code: | STF2744AB | Discover designation and components |
| ADS number: | 14573 | Aitken Double Star catalog |
| HD number: | 200375 | HD catalog number |
| Hipparcos number: | 103892 | Hipparcos catalog number |
| V1: | 6.76 | Magnitude of the primary |
| V2: | 7.33 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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: | Izm2019 | 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 1.163 103.44 -------------------------- 1703.59 1.944 223.40 1704.59 1.942 223.17 1705.59 1.940 222.94 1706.59 1.938 222.71 1707.59 1.935 222.48 1708.59 1.933 222.24 1709.59 1.931 222.01 1710.59 1.929 221.77 1711.59 1.927 221.54 1712.59 1.924 221.30 1713.59 1.922 221.07 1714.59 1.920 220.83 1715.59 1.917 220.59 1716.59 1.915 220.35 1717.59 1.913 220.11 1718.59 1.910 219.88 1719.59 1.908 219.64 1720.59 1.906 219.40 1721.59 1.903 219.15 1722.59 1.901 218.91 1723.59 1.898 218.67 1724.59 1.896 218.43 1725.59 1.893 218.18 1726.59 1.891 217.94 1727.59 1.888 217.70 1728.59 1.886 217.45 1729.59 1.883 217.20 1730.59 1.881 216.96 1731.59 1.878 216.71 1732.59 1.876 216.46 1733.59 1.873 216.21 1734.59 1.871 215.96 1735.59 1.868 215.71 1736.59 1.866 215.46 1737.59 1.863 215.21 1738.59 1.860 214.96 1739.59 1.858 214.71 1740.59 1.855 214.45 1741.59 1.853 214.20 1742.59 1.850 213.94 1743.59 1.847 213.69 1744.59 1.845 213.43 1745.59 1.842 213.17 1746.59 1.839 212.92 1747.59 1.837 212.66 1748.59 1.834 212.40 1749.59 1.831 212.14 1750.59 1.829 211.88 1751.59 1.826 211.62 1752.59 1.823 211.35 1753.59 1.821 211.09 1754.59 1.818 210.83 1755.59 1.815 210.56 1756.59 1.813 210.30 1757.59 1.810 210.03 1758.59 1.807 209.76 1759.59 1.804 209.49 1760.59 1.802 209.22 1761.59 1.799 208.95 1762.59 1.796 208.68 1763.59 1.793 208.41 1764.59 1.791 208.14 1765.59 1.788 207.87 1766.59 1.785 207.59 1767.59 1.782 207.32 1768.59 1.780 207.04 1769.59 1.777 206.77 1770.59 1.774 206.49 1771.59 1.771 206.21 1772.59 1.769 205.93 1773.59 1.766 205.65 1774.59 1.763 205.37 1775.59 1.760 205.09 1776.59 1.758 204.81 1777.59 1.755 204.53 1778.59 1.752 204.24 1779.59 1.749 203.96 1780.59 1.747 203.67 1781.59 1.744 203.38 1782.59 1.741 203.10 1783.59 1.738 202.81 1784.59 1.736 202.52 1785.59 1.733 202.23 1786.59 1.730 201.93 1787.59 1.727 201.64 1788.59 1.725 201.35 1789.59 1.722 201.05 1790.59 1.719 200.76 1791.59 1.716 200.46 1792.59 1.714 200.17 1793.59 1.711 199.87 1794.59 1.708 199.57 1795.59 1.706 199.27 1796.59 1.703 198.97 1797.59 1.700 198.67 1798.59 1.697 198.36 1799.59 1.695 198.06 1800.59 1.692 197.75 1801.59 1.689 197.45 1802.59 1.687 197.14 1803.59 1.684 196.83 1804.59 1.681 196.53 1805.59 1.679 196.22 1806.59 1.676 195.91 1807.59 1.673 195.59 1808.59 1.671 195.28 1809.59 1.668 194.97 1810.59 1.665 194.65 1811.59 1.663 194.34 1812.59 1.660 194.02 1813.59 1.658 193.70 1814.59 1.655 193.38 1815.59 1.652 193.07 1816.59 1.650 192.74 1817.59 1.647 192.42 1818.59 1.645 192.10 1819.59 1.642 191.78 1820.59 1.640 191.45 1821.59 1.637 191.13 1822.59 1.634 190.80 1823.59 1.632 190.47 1824.59 1.629 190.14 1825.59 1.627 189.81 1826.59 1.624 189.48 1827.59 1.622 189.15 1828.59 1.620 188.82 1829.59 1.617 188.48 1830.59 1.615 188.15 1831.59 1.612 187.81 1832.59 1.610 187.48 1833.59 1.607 187.14 1834.59 1.605 186.80 1835.59 1.603 186.46 1836.59 1.600 186.12 1837.59 1.598 185.78 1838.59 1.595 185.44 1839.59 1.593 185.09 1840.59 1.591 184.75 1841.59 1.589 184.40 1842.59 1.586 184.05 1843.59 1.584 183.71 1844.59 1.582 183.36 1845.59 1.579 183.01 1846.59 1.577 182.66 1847.59 1.575 182.31 1848.59 1.573 181.95 1849.59 1.570 181.60 1850.59 1.568 181.24 1851.59 1.566 180.89 1852.59 1.564 180.53 1853.59 1.562 180.17 1854.59 1.560 179.81 1855.59 1.558 179.45 1856.59 1.555 179.09 1857.59 1.553 178.73 1858.59 1.551 178.37 1859.59 1.549 178.01 1860.59 1.547 177.64 1861.59 1.545 177.28 1862.59 1.543 176.91 1863.59 1.541 176.54 1864.59 1.539 176.17 1865.59 1.537 175.80 1866.59 1.535 175.43 1867.59 1.533 175.06 1868.59 1.531 174.69 1869.59 1.529 174.32 1870.59 1.528 173.94 1871.59 1.526 173.57 1872.59 1.524 173.19 1873.59 1.522 172.81 1874.59 1.520 172.44 1875.59 1.518 172.06 1876.59 1.516 171.68 1877.59 1.515 171.30 1878.59 1.513 170.92 1879.59 1.511 170.53 1880.59 1.509 170.15 1881.59 1.508 169.77 1882.59 1.506 169.38 1883.59 1.504 169.00 1884.59 1.503 168.61 1885.59 1.501 168.22 1886.59 1.499 167.83 1887.59 1.498 167.44 1888.59 1.496 167.05 1889.59 1.494 166.66 1890.59 1.493 166.27 1891.59 1.491 165.88 1892.59 1.490 165.49 1893.59 1.488 165.09 1894.59 1.487 164.70 1895.59 1.485 164.30 1896.59 1.484 163.90 1897.59 1.482 163.51 1898.59 1.481 163.11 1899.59 1.479 162.71 1900.59 1.478 162.31 1901.59 1.476 161.91 1902.59 1.475 161.51 1903.59 1.473 161.10 1904.59 1.472 160.70 1905.59 1.471 160.30 1906.59 1.469 159.89 1907.59 1.468 159.49 1908.59 1.466 159.08 1909.59 1.465 158.68 1910.59 1.464 158.27 1911.59 1.462 157.86 1912.59 1.461 157.45 1913.59 1.460 157.04 1914.59 1.459 156.63 1915.59 1.457 156.22 1916.59 1.456 155.81 1917.59 1.455 155.39 1918.59 1.453 154.98 1919.59 1.452 154.57 1920.59 1.451 154.15 1921.59 1.450 153.74 1922.59 1.449 153.32 1923.59 1.447 152.90 1924.59 1.446 152.49 1925.59 1.445 152.07 1926.59 1.444 151.65 1927.59 1.442 151.23 1928.59 1.441 150.81 1929.59 1.440 150.39 1930.59 1.439 149.97 1931.59 1.438 149.54 1932.59 1.437 149.12 1933.59 1.435 148.70 1934.59 1.434 148.27 1935.59 1.433 147.85 1936.59 1.432 147.42 1937.59 1.431 146.99 1938.59 1.429 146.57 1939.59 1.428 146.14 1940.59 1.427 145.71 1941.59 1.426 145.28 1942.59 1.425 144.85 1943.59 1.423 144.42 1944.59 1.422 143.99 1945.59 1.421 143.55 1946.59 1.420 143.12 1947.59 1.419 142.69 1948.59 1.417 142.25 1949.59 1.416 141.82 1950.59 1.415 141.38 1951.59 1.413 140.94 1952.59 1.412 140.51 1953.59 1.411 140.07 1954.59 1.410 139.63 1955.59 1.408 139.19 1956.59 1.407 138.75 1957.59 1.405 138.30 1958.59 1.404 137.86 1959.59 1.403 137.42 1960.59 1.401 136.97 1961.59 1.400 136.53 1962.59 1.398 136.08 1963.59 1.397 135.63 1964.59 1.395 135.18 1965.59 1.394 134.74 1966.59 1.392 134.28 1967.59 1.390 133.83 1968.59 1.389 133.38 1969.59 1.387 132.93 1970.59 1.385 132.47 1971.59 1.384 132.02 1972.59 1.382 131.56 1973.59 1.380 131.10 1974.59 1.378 130.64 1975.59 1.376 130.18 1976.59 1.374 129.72 1977.59 1.372 129.25 1978.59 1.370 128.79 1979.59 1.368 128.32 1980.59 1.366 127.86 1981.59 1.364 127.39 1982.59 1.361 126.92 1983.59 1.359 126.44 1984.59 1.357 125.97 1985.59 1.354 125.49 1986.59 1.352 125.02 1987.59 1.349 124.54 1988.59 1.346 124.06 1989.59 1.344 123.57 1990.59 1.341 123.09 1991.59 1.338 122.60 1992.59 1.335 122.11 1993.59 1.332 121.62 1994.59 1.329 121.13 1995.59 1.326 120.63 1996.59 1.322 120.13 1997.59 1.319 119.63 1998.59 1.315 119.13 1999.59 1.312 118.62 2000.59 1.308 118.11 2001.59 1.304 117.60 2002.59 1.300 117.08 2003.59 1.296 116.56 2004.59 1.292 116.04 2005.59 1.288 115.52 2006.59 1.284 114.99 2007.59 1.279 114.46 2008.59 1.274 113.92 2009.59 1.270 113.38 2010.59 1.265 112.84 2011.59 1.260 112.29 2012.59 1.254 111.73 2013.59 1.249 111.18 2014.59 1.243 110.61 2015.59 1.238 110.05 2016.59 1.232 109.47 2017.59 1.226 108.89 2018.59 1.219 108.31 2019.59 1.213 107.72 2020.59 1.206 107.12 2021.59 1.200 106.52 2022.59 1.193 105.91 2023.59 1.185 105.29 2024.59 1.178 104.66 2025.59 1.170 104.03 2026.59 1.162 103.39 2027.59 1.154 102.73 2028.59 1.146 102.07 2029.59 1.137 101.40 2030.59 1.128 100.72 2031.59 1.119 100.03 2032.59 1.110 99.33 2033.59 1.100 98.61 2034.59 1.090 97.88 2035.59 1.080 97.14 2036.59 1.069 96.38 2037.59 1.058 95.61 2038.59 1.047 94.82 2039.59 1.036 94.02 2040.59 1.024 93.19 2041.59 1.012 92.35 2042.59 1.000 91.48 2043.59 0.987 90.60 2044.59 0.974 89.69 2045.59 0.960 88.75 2046.59 0.946 87.79 2047.59 0.932 86.80 2048.59 0.918 85.78 2049.59 0.903 84.72 2050.59 0.888 83.63 2051.59 0.872 82.50 2052.59 0.856 81.33 2053.59 0.840 80.12 2054.59 0.823 78.86 2055.59 0.807 77.54 2056.59 0.790 76.17 2057.59 0.772 74.73 2058.59 0.755 73.23 2059.59 0.737 71.66 2060.59 0.719 70.01 2061.59 0.701 68.28 2062.59 0.682 66.45 2063.59 0.664 64.52 2064.59 0.646 62.48 2065.59 0.628 60.33 2066.59 0.610 58.05 2067.59 0.592 55.63 2068.59 0.575 53.06 2069.59 0.559 50.34 2070.59 0.542 47.46 2071.59 0.527 44.40 2072.59 0.513 41.17 2073.59 0.499 37.75 2074.59 0.487 34.16 2075.59 0.476 30.39 2076.59 0.467 26.46 2077.59 0.460 22.39 2078.59 0.454 18.19 2079.59 0.450 13.91 2080.59 0.448 9.57 2081.59 0.448 5.20 2082.59 0.450 0.86 2083.59 0.454 356.58 2084.59 0.460 352.39 2085.59 0.468 348.33 2086.59 0.477 344.41 2087.59 0.488 340.66 2088.59 0.501 337.09 2089.59 0.515 333.70 2090.59 0.530 330.49 2091.59 0.546 327.47 2092.59 0.563 324.63 2093.59 0.580 321.95 2094.59 0.599 319.44 2095.59 0.618 317.07 2096.59 0.637 314.85 2097.59 0.656 312.76 2098.59 0.676 310.79 2099.59 0.696 308.93 2100.59 0.717 307.18 2101.59 0.737 305.53 2102.59 0.757 303.96 2103.59 0.778 302.48 2104.59 0.798 301.07 2105.59 0.819 299.74 2106.59 0.839 298.46 2107.59 0.859 297.25 2108.59 0.879 296.09 2109.59 0.899 294.98 2110.59 0.918 293.92 2111.59 0.938 292.91 2112.59 0.957 291.94 2113.59 0.976 291.00 2114.59 0.995 290.10 2115.59 1.014 289.23 2116.59 1.032 288.40 2117.59 1.050 287.59 2118.59 1.068 286.81 2119.59 1.086 286.06 2120.59 1.103 285.33 2121.59 1.121 284.62 2122.59 1.138 283.94 2123.59 1.154 283.27 2124.59 1.171 282.63 2125.59 1.187 282.00 2126.59 1.203 281.38 2127.59 1.219 280.79 2128.59 1.235 280.21 2129.59 1.250 279.64 2130.59 1.265 279.09 2131.59 1.280 278.55 2132.59 1.295 278.02 2133.59 1.309 277.51 2134.59 1.324 277.00 2135.59 1.338 276.51 2136.59 1.352 276.03 2137.59 1.365 275.55 2138.59 1.378 275.09 2139.59 1.392 274.63 2140.59 1.405 274.19 2141.59 1.417 273.75 2142.59 1.430 273.32 2143.59 1.442 272.89 2144.59 1.455 272.48 2145.59 1.466 272.07 2146.59 1.478 271.66 2147.59 1.490 271.27 2148.59 1.501 270.88 2149.59 1.512 270.49 2150.59 1.524 270.11 2151.59 1.534 269.74 2152.59 1.545 269.37 2153.59 1.556 269.01 2154.59 1.566 268.65 2155.59 1.576 268.29 2156.59 1.586 267.94 2157.59 1.596 267.60 2158.59 1.606 267.26 2159.59 1.615 266.92 2160.59 1.625 266.59 2161.59 1.634 266.26 2162.59 1.643 265.93 2163.59 1.652 265.61 2164.59 1.661 265.29 2165.59 1.669 264.98 2166.59 1.678 264.66 2167.59 1.686 264.35 2168.59 1.694 264.05 2169.59 1.702 263.75 2170.59 1.710 263.45 2171.59 1.718 263.15 2172.59 1.726 262.85 2173.59 1.733 262.56 2174.59 1.741 262.27 2175.59 1.748 261.98 2176.59 1.755 261.70 2177.59 1.762 261.42 2178.59 1.769 261.14 2179.59 1.776 260.86 2180.59 1.782 260.58 2181.59 1.789 260.31 2182.59 1.795 260.03 2183.59 1.802 259.76 2184.59 1.808 259.50 2185.59 1.814 259.23 2186.59 1.820 258.96 2187.59 1.826 258.70 2188.59 1.831 258.44 2189.59 1.837 258.18 2190.59 1.843 257.92 2191.59 1.848 257.67 2192.59 1.853 257.41 2193.59 1.859 257.16 2194.59 1.864 256.90 2195.59 1.869 256.65 2196.59 1.874 256.40 2197.59 1.879 256.16 2198.59 1.883 255.91 2199.59 1.888 255.66 2200.59 1.892 255.42 2201.59 1.897 255.17 2202.59 1.901 254.93 2203.59 1.906 254.69 2204.59 1.910 254.45 2205.59 1.914 254.21 2206.59 1.918 253.97 2207.59 1.922 253.74 2208.59 1.926 253.50 2209.59 1.930 253.27 2210.59 1.933 253.03 2211.59 1.937 252.80 2212.59 1.940 252.57 2213.59 1.944 252.33 2214.59 1.947 252.10 2215.59 1.951 251.87 2216.59 1.954 251.64 2217.59 1.957 251.41 2218.59 1.960 251.19 2219.59 1.963 250.96 2220.59 1.966 250.73 2221.59 1.969 250.51 2222.59 1.972 250.28 2223.59 1.974 250.06 2224.59 1.977 249.83 2225.59 1.979 249.61 2226.59 1.982 249.39 2227.59 1.984 249.17 2228.59 1.987 248.94 2229.59 1.989 248.72 2230.59 1.991 248.50 2231.59 1.993 248.28 2232.59 1.996 248.06 2233.59 1.998 247.84 2234.59 2.000 247.62 2235.59 2.001 247.41 2236.59 2.003 247.19 2237.59 2.005 246.97 2238.59 2.007 246.75 2239.59 2.009 246.54 2240.59 2.010 246.32 2241.59 2.012 246.10 2242.59 2.013 245.89 2243.59 2.015 245.67 2244.59 2.016 245.46 2245.59 2.017 245.24 2246.59 2.019 245.03 2247.59 2.020 244.81 2248.59 2.021 244.60 2249.59 2.022 244.39 2250.59 2.023 244.17 2251.59 2.024 243.96 2252.59 2.025 243.74 2253.59 2.026 243.53 2254.59 2.027 243.32 2255.59 2.028 243.11 2256.59 2.028 242.89 2257.59 2.029 242.68 2258.59 2.030 242.47 2259.59 2.030 242.26 2260.59 2.031 242.05 2261.59 2.031 241.83 2262.59 2.032 241.62 2263.59 2.032 241.41 2264.59 2.033 241.20 2265.59 2.033 240.99 2266.59 2.033 240.78 2267.59 2.034 240.56 2268.59 2.034 240.35 2269.59 2.034 240.14 2270.59 2.034 239.93 2271.59 2.034 239.72 2272.59 2.034 239.51 2273.59 2.034 239.30 2274.59 2.034 239.09 2275.59 2.034 238.87 2276.59 2.034 238.66 2277.59 2.033 238.45 2278.59 2.033 238.24 2279.59 2.033 238.03 2280.59 2.033 237.82 2281.59 2.032 237.61 2282.59 2.032 237.39 2283.59 2.032 237.18 2284.59 2.031 236.97 2285.59 2.031 236.76 2286.59 2.030 236.55 2287.59 2.029 236.33 2288.59 2.029 236.12 2289.59 2.028 235.91 2290.59 2.028 235.70 2291.59 2.027 235.48 2292.59 2.026 235.27 2293.59 2.025 235.06 2294.59 2.024 234.85 2295.59 2.024 234.63 2296.59 2.023 234.42 2297.59 2.022 234.20 2298.59 2.021 233.99 2299.59 2.020 233.78 2300.59 2.019 233.56 2301.59 2.018 233.35 2302.59 2.017 233.13 2303.59 2.016 232.92 2304.59 2.015 232.70 2305.59 2.013 232.49 2306.59 2.012 232.27 2307.59 2.011 232.06 2308.59 2.010 231.84 2309.59 2.008 231.62 2310.59 2.007 231.41 2311.59 2.006 231.19 2312.59 2.004 230.97 2313.59 2.003 230.75 2314.59 2.002 230.54 2315.59 2.000 230.32 2316.59 1.999 230.10 2317.59 1.997 229.88 2318.59 1.996 229.66 2319.59 1.994 229.44 2320.59 1.993 229.22 2321.59 1.991 229.00 2322.59 1.989 228.78 2323.59 1.988 228.56 2324.59 1.986 228.34 2325.59 1.984 228.12 2326.59 1.983 227.89 2327.59 1.981 227.67 2328.59 1.979 227.45 2329.59 1.977 227.23 2330.59 1.976 227.00 2331.59 1.974 226.78 2332.59 1.972 226.55 2333.59 1.970 226.33 2334.59 1.968 226.10 2335.59 1.966 225.88 2336.59 1.964 225.65 2337.59 1.962 225.42 2338.59 1.960 225.20 2339.59 1.958 224.97 2340.59 1.956 224.74 2341.59 1.954 224.51 2342.59 1.952 224.28 2343.59 1.950 224.05 2344.59 1.948 223.82 2345.59 1.946 223.59
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 18:22:01 |