| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:19:10 |
| WDS: | STF2758AB | WDS ID/Discoverer |
| P: | 704.858 | Orbital period (years) |
| a: | 24.57 | Semi-major axis (arcseconds) |
| i: | 52.018 | Inclination (degrees) |
| Ω: | 174.56 | Longitude of ascending node (degrees) |
| T: | 1696.004 | Epoch of periastron passage (year) |
| e: | 0.435 | Eccentricity |
| ω: | 154.044 | Longitude of periastron (degrees) |
| Start-Year: | 1673.0 | Year |
| End-Year: | 2377.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 210653.95+384457.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21069+3845 | WDS designation |
| Discoverer Code: | STF2758AB | Discover designation and components |
| ADS number: | 14636 | Aitken Double Star catalog |
| HD number: | 201091 | HD catalog number |
| Hipparcos number: | 104214 | Hipparcos catalog number |
| V1: | 5.20 | Magnitude of the primary |
| V2: | 6.05 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2019 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 32.081 154.1 ------------------------- 1673.0 10.822 309.9 1674.0 10.906 311.4 1675.0 10.993 312.8 1676.0 11.083 314.2 1677.0 11.175 315.6 1678.0 11.268 317.0 1679.0 11.364 318.3 1680.0 11.460 319.6 1681.0 11.558 320.9 1682.0 11.657 322.2 1683.0 11.757 323.4 1684.0 11.857 324.6 1685.0 11.958 325.8 1686.0 12.058 327.0 1687.0 12.159 328.2 1688.0 12.259 329.3 1689.0 12.359 330.5 1690.0 12.458 331.6 1691.0 12.556 332.7 1692.0 12.653 333.7 1693.0 12.750 334.8 1694.0 12.844 335.8 1695.0 12.938 336.9 1696.0 13.029 337.9 1697.0 13.120 338.9 1698.0 13.208 339.9 1699.0 13.294 340.8 1700.0 13.378 341.8 1701.0 13.460 342.7 1702.0 13.540 343.7 1703.0 13.617 344.6 1704.0 13.693 345.5 1705.0 13.765 346.4 1706.0 13.835 347.3 1707.0 13.903 348.2 1708.0 13.968 349.1 1709.0 14.030 350.0 1710.0 14.090 350.8 1711.0 14.147 351.7 1712.0 14.201 352.5 1713.0 14.252 353.4 1714.0 14.301 354.2 1715.0 14.347 355.1 1716.0 14.390 355.9 1717.0 14.431 356.7 1718.0 14.469 357.5 1719.0 14.504 358.3 1720.0 14.537 359.2 1721.0 14.567 360.0 1722.0 14.595 0.8 1723.0 14.620 1.6 1724.0 14.642 2.4 1725.0 14.662 3.2 1726.0 14.680 3.9 1727.0 14.695 4.7 1728.0 14.708 5.5 1729.0 14.719 6.3 1730.0 14.728 7.1 1731.0 14.735 7.9 1732.0 14.740 8.7 1733.0 14.742 9.5 1734.0 14.743 10.3 1735.0 14.742 11.0 1736.0 14.740 11.8 1737.0 14.736 12.6 1738.0 14.730 13.4 1739.0 14.722 14.2 1740.0 14.714 15.0 1741.0 14.703 15.8 1742.0 14.692 16.6 1743.0 14.679 17.4 1744.0 14.666 18.1 1745.0 14.651 18.9 1746.0 14.635 19.7 1747.0 14.619 20.5 1748.0 14.601 21.3 1749.0 14.583 22.1 1750.0 14.564 22.9 1751.0 14.545 23.7 1752.0 14.525 24.6 1753.0 14.504 25.4 1754.0 14.484 26.2 1755.0 14.463 27.0 1756.0 14.441 27.8 1757.0 14.420 28.6 1758.0 14.399 29.5 1759.0 14.377 30.3 1760.0 14.356 31.1 1761.0 14.334 31.9 1762.0 14.313 32.8 1763.0 14.293 33.6 1764.0 14.272 34.4 1765.0 14.252 35.3 1766.0 14.232 36.1 1767.0 14.213 37.0 1768.0 14.195 37.8 1769.0 14.177 38.7 1770.0 14.160 39.5 1771.0 14.143 40.4 1772.0 14.127 41.2 1773.0 14.112 42.1 1774.0 14.098 42.9 1775.0 14.085 43.8 1776.0 14.073 44.7 1777.0 14.062 45.5 1778.0 14.052 46.4 1779.0 14.043 47.3 1780.0 14.036 48.1 1781.0 14.029 49.0 1782.0 14.024 49.9 1783.0 14.020 50.7 1784.0 14.017 51.6 1785.0 14.016 52.5 1786.0 14.016 53.3 1787.0 14.017 54.2 1788.0 14.020 55.1 1789.0 14.024 56.0 1790.0 14.030 56.8 1791.0 14.037 57.7 1792.0 14.046 58.6 1793.0 14.056 59.4 1794.0 14.068 60.3 1795.0 14.081 61.1 1796.0 14.096 62.0 1797.0 14.113 62.9 1798.0 14.131 63.7 1799.0 14.150 64.6 1800.0 14.172 65.4 1801.0 14.195 66.3 1802.0 14.219 67.1 1803.0 14.245 68.0 1804.0 14.273 68.8 1805.0 14.302 69.6 1806.0 14.333 70.5 1807.0 14.366 71.3 1808.0 14.400 72.1 1809.0 14.435 73.0 1810.0 14.473 73.8 1811.0 14.512 74.6 1812.0 14.552 75.4 1813.0 14.594 76.2 1814.0 14.638 77.0 1815.0 14.683 77.8 1816.0 14.729 78.6 1817.0 14.777 79.4 1818.0 14.827 80.2 1819.0 14.878 80.9 1820.0 14.931 81.7 1821.0 14.984 82.5 1822.0 15.040 83.2 1823.0 15.097 84.0 1824.0 15.155 84.7 1825.0 15.214 85.5 1826.0 15.275 86.2 1827.0 15.337 86.9 1828.0 15.401 87.6 1829.0 15.465 88.4 1830.0 15.531 89.1 1831.0 15.599 89.8 1832.0 15.667 90.5 1833.0 15.737 91.2 1834.0 15.807 91.9 1835.0 15.879 92.5 1836.0 15.952 93.2 1837.0 16.026 93.9 1838.0 16.102 94.5 1839.0 16.178 95.2 1840.0 16.255 95.8 1841.0 16.333 96.5 1842.0 16.412 97.1 1843.0 16.492 97.8 1844.0 16.573 98.4 1845.0 16.655 99.0 1846.0 16.738 99.6 1847.0 16.822 100.2 1848.0 16.906 100.8 1849.0 16.992 101.4 1850.0 17.078 102.0 1851.0 17.165 102.6 1852.0 17.252 103.2 1853.0 17.340 103.7 1854.0 17.429 104.3 1855.0 17.519 104.9 1856.0 17.609 105.4 1857.0 17.700 106.0 1858.0 17.792 106.5 1859.0 17.884 107.0 1860.0 17.977 107.6 1861.0 18.070 108.1 1862.0 18.163 108.6 1863.0 18.258 109.1 1864.0 18.352 109.6 1865.0 18.448 110.2 1866.0 18.543 110.7 1867.0 18.639 111.1 1868.0 18.736 111.6 1869.0 18.833 112.1 1870.0 18.930 112.6 1871.0 19.027 113.1 1872.0 19.125 113.5 1873.0 19.224 114.0 1874.0 19.322 114.5 1875.0 19.421 114.9 1876.0 19.520 115.4 1877.0 19.619 115.8 1878.0 19.719 116.3 1879.0 19.819 116.7 1880.0 19.919 117.1 1881.0 20.019 117.6 1882.0 20.119 118.0 1883.0 20.220 118.4 1884.0 20.321 118.8 1885.0 20.422 119.2 1886.0 20.523 119.6 1887.0 20.624 120.0 1888.0 20.725 120.4 1889.0 20.826 120.8 1890.0 20.927 121.2 1891.0 21.029 121.6 1892.0 21.130 122.0 1893.0 21.232 122.4 1894.0 21.333 122.8 1895.0 21.435 123.1 1896.0 21.536 123.5 1897.0 21.638 123.9 1898.0 21.739 124.2 1899.0 21.840 124.6 1900.0 21.942 125.0 1901.0 22.043 125.3 1902.0 22.144 125.7 1903.0 22.245 126.0 1904.0 22.346 126.3 1905.0 22.447 126.7 1906.0 22.548 127.0 1907.0 22.649 127.4 1908.0 22.750 127.7 1909.0 22.850 128.0 1910.0 22.951 128.3 1911.0 23.051 128.7 1912.0 23.151 129.0 1913.0 23.251 129.3 1914.0 23.350 129.6 1915.0 23.450 129.9 1916.0 23.549 130.2 1917.0 23.648 130.5 1918.0 23.747 130.9 1919.0 23.846 131.2 1920.0 23.945 131.5 1921.0 24.043 131.8 1922.0 24.141 132.0 1923.0 24.239 132.3 1924.0 24.336 132.6 1925.0 24.434 132.9 1926.0 24.531 133.2 1927.0 24.627 133.5 1928.0 24.724 133.8 1929.0 24.820 134.0 1930.0 24.916 134.3 1931.0 25.012 134.6 1932.0 25.107 134.9 1933.0 25.202 135.1 1934.0 25.297 135.4 1935.0 25.391 135.7 1936.0 25.485 135.9 1937.0 25.579 136.2 1938.0 25.672 136.5 1939.0 25.765 136.7 1940.0 25.858 137.0 1941.0 25.950 137.2 1942.0 26.042 137.5 1943.0 26.134 137.7 1944.0 26.225 138.0 1945.0 26.316 138.2 1946.0 26.407 138.5 1947.0 26.497 138.7 1948.0 26.587 139.0 1949.0 26.676 139.2 1950.0 26.765 139.4 1951.0 26.854 139.7 1952.0 26.942 139.9 1953.0 27.030 140.1 1954.0 27.117 140.4 1955.0 27.204 140.6 1956.0 27.291 140.8 1957.0 27.377 141.1 1958.0 27.463 141.3 1959.0 27.548 141.5 1960.0 27.633 141.7 1961.0 27.718 142.0 1962.0 27.802 142.2 1963.0 27.885 142.4 1964.0 27.968 142.6 1965.0 28.051 142.8 1966.0 28.133 143.1 1967.0 28.215 143.3 1968.0 28.296 143.5 1969.0 28.377 143.7 1970.0 28.458 143.9 1971.0 28.538 144.1 1972.0 28.617 144.3 1973.0 28.696 144.5 1974.0 28.775 144.8 1975.0 28.853 145.0 1976.0 28.930 145.2 1977.0 29.007 145.4 1978.0 29.084 145.6 1979.0 29.160 145.8 1980.0 29.235 146.0 1981.0 29.310 146.2 1982.0 29.385 146.4 1983.0 29.459 146.6 1984.0 29.533 146.8 1985.0 29.606 147.0 1986.0 29.678 147.2 1987.0 29.750 147.3 1988.0 29.822 147.5 1989.0 29.893 147.7 1990.0 29.963 147.9 1991.0 30.033 148.1 1992.0 30.102 148.3 1993.0 30.171 148.5 1994.0 30.240 148.7 1995.0 30.308 148.9 1996.0 30.375 149.0 1997.0 30.442 149.2 1998.0 30.508 149.4 1999.0 30.573 149.6 2000.0 30.638 149.8 2001.0 30.703 150.0 2002.0 30.767 150.1 2003.0 30.830 150.3 2004.0 30.893 150.5 2005.0 30.956 150.7 2006.0 31.017 150.9 2007.0 31.079 151.0 2008.0 31.139 151.2 2009.0 31.199 151.4 2010.0 31.259 151.6 2011.0 31.318 151.7 2012.0 31.376 151.9 2013.0 31.434 152.1 2014.0 31.491 152.3 2015.0 31.548 152.4 2016.0 31.604 152.6 2017.0 31.659 152.8 2018.0 31.714 152.9 2019.0 31.768 153.1 2020.0 31.822 153.3 2021.0 31.875 153.5 2022.0 31.928 153.6 2023.0 31.979 153.8 2024.0 32.031 154.0 2025.0 32.081 154.1 2026.0 32.132 154.3 2027.0 32.181 154.4 2028.0 32.230 154.6 2029.0 32.278 154.8 2030.0 32.326 154.9 2031.0 32.373 155.1 2032.0 32.419 155.3 2033.0 32.465 155.4 2034.0 32.511 155.6 2035.0 32.555 155.8 2036.0 32.599 155.9 2037.0 32.642 156.1 2038.0 32.685 156.2 2039.0 32.727 156.4 2040.0 32.769 156.6 2041.0 32.810 156.7 2042.0 32.850 156.9 2043.0 32.889 157.0 2044.0 32.928 157.2 2045.0 32.967 157.3 2046.0 33.004 157.5 2047.0 33.041 157.7 2048.0 33.078 157.8 2049.0 33.114 158.0 2050.0 33.149 158.1 2051.0 33.183 158.3 2052.0 33.217 158.4 2053.0 33.250 158.6 2054.0 33.283 158.7 2055.0 33.315 158.9 2056.0 33.346 159.1 2057.0 33.376 159.2 2058.0 33.406 159.4 2059.0 33.435 159.5 2060.0 33.464 159.7 2061.0 33.492 159.8 2062.0 33.519 160.0 2063.0 33.546 160.1 2064.0 33.572 160.3 2065.0 33.597 160.4 2066.0 33.621 160.6 2067.0 33.645 160.7 2068.0 33.668 160.9 2069.0 33.691 161.0 2070.0 33.713 161.2 2071.0 33.734 161.3 2072.0 33.754 161.5 2073.0 33.774 161.6 2074.0 33.793 161.8 2075.0 33.812 161.9 2076.0 33.829 162.1 2077.0 33.846 162.2 2078.0 33.863 162.4 2079.0 33.878 162.5 2080.0 33.893 162.7 2081.0 33.907 162.8 2082.0 33.921 163.0 2083.0 33.934 163.1 2084.0 33.946 163.3 2085.0 33.957 163.4 2086.0 33.968 163.6 2087.0 33.978 163.7 2088.0 33.987 163.9 2089.0 33.996 164.0 2090.0 34.004 164.2 2091.0 34.011 164.3 2092.0 34.017 164.5 2093.0 34.023 164.6 2094.0 34.028 164.7 2095.0 34.032 164.9 2096.0 34.036 165.0 2097.0 34.039 165.2 2098.0 34.041 165.3 2099.0 34.042 165.5 2100.0 34.043 165.6 2101.0 34.043 165.8 2102.0 34.042 165.9 2103.0 34.040 166.1 2104.0 34.038 166.2 2105.0 34.035 166.4 2106.0 34.031 166.5 2107.0 34.026 166.7 2108.0 34.021 166.8 2109.0 34.015 167.0 2110.0 34.008 167.1 2111.0 34.001 167.3 2112.0 33.992 167.4 2113.0 33.983 167.6 2114.0 33.974 167.7 2115.0 33.963 167.8 2116.0 33.952 168.0 2117.0 33.940 168.1 2118.0 33.927 168.3 2119.0 33.913 168.4 2120.0 33.899 168.6 2121.0 33.883 168.7 2122.0 33.868 168.9 2123.0 33.851 169.0 2124.0 33.833 169.2 2125.0 33.815 169.3 2126.0 33.796 169.5 2127.0 33.776 169.6 2128.0 33.756 169.8 2129.0 33.734 169.9 2130.0 33.712 170.1 2131.0 33.689 170.2 2132.0 33.665 170.4 2133.0 33.641 170.5 2134.0 33.615 170.7 2135.0 33.589 170.8 2136.0 33.562 171.0 2137.0 33.534 171.1 2138.0 33.506 171.3 2139.0 33.476 171.4 2140.0 33.446 171.6 2141.0 33.415 171.8 2142.0 33.383 171.9 2143.0 33.351 172.1 2144.0 33.317 172.2 2145.0 33.283 172.4 2146.0 33.248 172.5 2147.0 33.212 172.7 2148.0 33.175 172.8 2149.0 33.138 173.0 2150.0 33.100 173.1 2151.0 33.060 173.3 2152.0 33.020 173.5 2153.0 32.979 173.6 2154.0 32.938 173.8 2155.0 32.895 173.9 2156.0 32.852 174.1 2157.0 32.808 174.2 2158.0 32.763 174.4 2159.0 32.717 174.6 2160.0 32.670 174.7 2161.0 32.622 174.9 2162.0 32.574 175.0 2163.0 32.525 175.2 2164.0 32.475 175.4 2165.0 32.424 175.5 2166.0 32.372 175.7 2167.0 32.319 175.9 2168.0 32.265 176.0 2169.0 32.211 176.2 2170.0 32.156 176.3 2171.0 32.099 176.5 2172.0 32.042 176.7 2173.0 31.984 176.8 2174.0 31.926 177.0 2175.0 31.866 177.2 2176.0 31.805 177.3 2177.0 31.744 177.5 2178.0 31.681 177.7 2179.0 31.618 177.9 2180.0 31.554 178.0 2181.0 31.489 178.2 2182.0 31.423 178.4 2183.0 31.356 178.5 2184.0 31.289 178.7 2185.0 31.220 178.9 2186.0 31.151 179.1 2187.0 31.080 179.2 2188.0 31.009 179.4 2189.0 30.937 179.6 2190.0 30.864 179.8 2191.0 30.790 180.0 2192.0 30.715 180.1 2193.0 30.639 180.3 2194.0 30.562 180.5 2195.0 30.484 180.7 2196.0 30.406 180.9 2197.0 30.326 181.1 2198.0 30.246 181.2 2199.0 30.165 181.4 2200.0 30.082 181.6 2201.0 29.999 181.8 2202.0 29.915 182.0 2203.0 29.830 182.2 2204.0 29.744 182.4 2205.0 29.657 182.6 2206.0 29.569 182.8 2207.0 29.480 183.0 2208.0 29.390 183.2 2209.0 29.300 183.4 2210.0 29.208 183.6 2211.0 29.115 183.8 2212.0 29.022 184.0 2213.0 28.927 184.2 2214.0 28.832 184.4 2215.0 28.735 184.6 2216.0 28.638 184.8 2217.0 28.540 185.0 2218.0 28.441 185.2 2219.0 28.340 185.4 2220.0 28.239 185.6 2221.0 28.137 185.9 2222.0 28.034 186.1 2223.0 27.930 186.3 2224.0 27.825 186.5 2225.0 27.719 186.7 2226.0 27.612 187.0 2227.0 27.504 187.2 2228.0 27.395 187.4 2229.0 27.285 187.6 2230.0 27.175 187.9 2231.0 27.063 188.1 2232.0 26.950 188.3 2233.0 26.836 188.6 2234.0 26.722 188.8 2235.0 26.606 189.0 2236.0 26.490 189.3 2237.0 26.372 189.5 2238.0 26.253 189.8 2239.0 26.134 190.0 2240.0 26.014 190.3 2241.0 25.892 190.5 2242.0 25.770 190.8 2243.0 25.646 191.0 2244.0 25.522 191.3 2245.0 25.397 191.6 2246.0 25.271 191.8 2247.0 25.143 192.1 2248.0 25.015 192.4 2249.0 24.886 192.7 2250.0 24.756 192.9 2251.0 24.625 193.2 2252.0 24.493 193.5 2253.0 24.360 193.8 2254.0 24.227 194.1 2255.0 24.092 194.4 2256.0 23.956 194.7 2257.0 23.820 195.0 2258.0 23.682 195.3 2259.0 23.544 195.6 2260.0 23.404 195.9 2261.0 23.264 196.2 2262.0 23.123 196.5 2263.0 22.981 196.8 2264.0 22.838 197.2 2265.0 22.694 197.5 2266.0 22.549 197.8 2267.0 22.404 198.2 2268.0 22.257 198.5 2269.0 22.110 198.8 2270.0 21.962 199.2 2271.0 21.813 199.6 2272.0 21.663 199.9 2273.0 21.512 200.3 2274.0 21.361 200.7 2275.0 21.209 201.0 2276.0 21.056 201.4 2277.0 20.902 201.8 2278.0 20.747 202.2 2279.0 20.592 202.6 2280.0 20.436 203.0 2281.0 20.279 203.4 2282.0 20.122 203.8 2283.0 19.964 204.3 2284.0 19.805 204.7 2285.0 19.645 205.1 2286.0 19.485 205.6 2287.0 19.325 206.0 2288.0 19.163 206.5 2289.0 19.002 207.0 2290.0 18.839 207.4 2291.0 18.676 207.9 2292.0 18.513 208.4 2293.0 18.349 208.9 2294.0 18.185 209.4 2295.0 18.021 210.0 2296.0 17.856 210.5 2297.0 17.690 211.0 2298.0 17.525 211.6 2299.0 17.359 212.1 2300.0 17.193 212.7 2301.0 17.027 213.3 2302.0 16.860 213.9 2303.0 16.694 214.5 2304.0 16.527 215.1 2305.0 16.361 215.7 2306.0 16.195 216.4 2307.0 16.028 217.1 2308.0 15.862 217.7 2309.0 15.696 218.4 2310.0 15.531 219.1 2311.0 15.366 219.8 2312.0 15.201 220.6 2313.0 15.037 221.3 2314.0 14.873 222.1 2315.0 14.710 222.8 2316.0 14.548 223.6 2317.0 14.386 224.5 2318.0 14.226 225.3 2319.0 14.066 226.2 2320.0 13.908 227.0 2321.0 13.750 227.9 2322.0 13.594 228.8 2323.0 13.440 229.8 2324.0 13.287 230.7 2325.0 13.135 231.7 2326.0 12.986 232.7 2327.0 12.838 233.7 2328.0 12.693 234.8 2329.0 12.549 235.9 2330.0 12.408 236.9 2331.0 12.269 238.1 2332.0 12.133 239.2 2333.0 11.999 240.4 2334.0 11.869 241.6 2335.0 11.741 242.8 2336.0 11.617 244.1 2337.0 11.496 245.4 2338.0 11.379 246.7 2339.0 11.265 248.0 2340.0 11.156 249.4 2341.0 11.050 250.7 2342.0 10.948 252.1 2343.0 10.851 253.6 2344.0 10.759 255.1 2345.0 10.671 256.5 2346.0 10.588 258.1 2347.0 10.510 259.6 2348.0 10.437 261.1 2349.0 10.370 262.7 2350.0 10.307 264.3 2351.0 10.251 265.9 2352.0 10.200 267.6 2353.0 10.155 269.2 2354.0 10.115 270.9 2355.0 10.082 272.6 2356.0 10.054 274.2 2357.0 10.033 275.9 2358.0 10.017 277.6 2359.0 10.007 279.3 2360.0 10.003 281.1 2361.0 10.006 282.8 2362.0 10.014 284.5 2363.0 10.027 286.2 2364.0 10.047 287.9 2365.0 10.072 289.6 2366.0 10.103 291.2 2367.0 10.139 292.9 2368.0 10.180 294.6 2369.0 10.226 296.2 2370.0 10.277 297.8 2371.0 10.332 299.4 2372.0 10.392 301.0 2373.0 10.457 302.6 2374.0 10.525 304.1 2375.0 10.597 305.7 2376.0 10.673 307.2