| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:43:52 |
| WDS: | STF305AB | WDS ID/Discoverer |
| P: | 531.490 | Orbital period (years) |
| a: | 2.307 | Semi-major axis (arcseconds) |
| i: | 111.1 | Inclination (degrees) |
| Ω: | 133.0 | Longitude of ascending node (degrees) |
| T: | 1761.810 | Epoch of periastron passage (year) |
| e: | 0.619 | Eccentricity |
| ω: | 18.4 | Longitude of periastron (degrees) |
| Start-Year: | 1760.0 | Year |
| End-Year: | 2290.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 024727.35+192220.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02475+1922 | WDS designation |
| Discoverer Code: | STF305AB | Discover designation and components |
| ADS number: | 2122 | Aitken Double Star catalog |
| HD number: | 17332 | HD catalog number |
| Hipparcos number: | 13027 | Hipparcos catalog number |
| V1: | 7.52 | Magnitude of the primary |
| V2: | 8.25 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2011 | 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 3.578 306.4 ------------------------- 1760.0 0.865 128.7 1761.0 0.852 127.3 1762.0 0.837 125.9 1763.0 0.821 124.4 1764.0 0.803 122.9 1765.0 0.783 121.2 1766.0 0.763 119.5 1767.0 0.741 117.7 1768.0 0.718 115.8 1769.0 0.695 113.8 1770.0 0.671 111.6 1771.0 0.646 109.2 1772.0 0.622 106.7 1773.0 0.597 104.0 1774.0 0.573 101.0 1775.0 0.549 97.7 1776.0 0.526 94.2 1777.0 0.505 90.4 1778.0 0.485 86.2 1779.0 0.467 81.7 1780.0 0.452 76.9 1781.0 0.439 71.7 1782.0 0.430 66.3 1783.0 0.424 60.7 1784.0 0.421 55.0 1785.0 0.423 49.2 1786.0 0.428 43.6 1787.0 0.437 38.1 1788.0 0.449 32.9 1789.0 0.464 28.0 1790.0 0.482 23.4 1791.0 0.502 19.2 1792.0 0.525 15.4 1793.0 0.549 11.8 1794.0 0.575 8.6 1795.0 0.602 5.6 1796.0 0.630 2.9 1797.0 0.659 0.5 1798.0 0.689 358.2 1799.0 0.719 356.2 1800.0 0.750 354.3 1801.0 0.781 352.6 1802.0 0.812 350.9 1803.0 0.844 349.5 1804.0 0.876 348.1 1805.0 0.907 346.8 1806.0 0.939 345.6 1807.0 0.971 344.5 1808.0 1.003 343.4 1809.0 1.035 342.5 1810.0 1.066 341.5 1811.0 1.098 340.7 1812.0 1.129 339.8 1813.0 1.161 339.1 1814.0 1.192 338.3 1815.0 1.223 337.6 1816.0 1.253 337.0 1817.0 1.284 336.3 1818.0 1.314 335.7 1819.0 1.344 335.1 1820.0 1.374 334.6 1821.0 1.404 334.1 1822.0 1.433 333.6 1823.0 1.463 333.1 1824.0 1.492 332.6 1825.0 1.520 332.2 1826.0 1.549 331.7 1827.0 1.577 331.3 1828.0 1.605 330.9 1829.0 1.633 330.5 1830.0 1.661 330.1 1831.0 1.688 329.8 1832.0 1.715 329.4 1833.0 1.742 329.1 1834.0 1.768 328.8 1835.0 1.795 328.4 1836.0 1.821 328.1 1837.0 1.847 327.8 1838.0 1.872 327.5 1839.0 1.898 327.2 1840.0 1.923 327.0 1841.0 1.948 326.7 1842.0 1.972 326.4 1843.0 1.997 326.2 1844.0 2.021 325.9 1845.0 2.045 325.7 1846.0 2.069 325.4 1847.0 2.092 325.2 1848.0 2.115 325.0 1849.0 2.139 324.7 1850.0 2.161 324.5 1851.0 2.184 324.3 1852.0 2.206 324.1 1853.0 2.228 323.9 1854.0 2.250 323.7 1855.0 2.272 323.5 1856.0 2.293 323.3 1857.0 2.315 323.1 1858.0 2.336 322.9 1859.0 2.357 322.7 1860.0 2.377 322.5 1861.0 2.398 322.3 1862.0 2.418 322.2 1863.0 2.438 322.0 1864.0 2.457 321.8 1865.0 2.477 321.7 1866.0 2.496 321.5 1867.0 2.516 321.3 1868.0 2.534 321.2 1869.0 2.553 321.0 1870.0 2.572 320.9 1871.0 2.590 320.7 1872.0 2.608 320.6 1873.0 2.626 320.4 1874.0 2.644 320.3 1875.0 2.662 320.1 1876.0 2.679 320.0 1877.0 2.696 319.8 1878.0 2.713 319.7 1879.0 2.730 319.6 1880.0 2.747 319.4 1881.0 2.763 319.3 1882.0 2.779 319.2 1883.0 2.795 319.0 1884.0 2.811 318.9 1885.0 2.827 318.8 1886.0 2.842 318.6 1887.0 2.858 318.5 1888.0 2.873 318.4 1889.0 2.888 318.3 1890.0 2.903 318.1 1891.0 2.917 318.0 1892.0 2.932 317.9 1893.0 2.946 317.8 1894.0 2.960 317.7 1895.0 2.974 317.6 1896.0 2.988 317.4 1897.0 3.001 317.3 1898.0 3.015 317.2 1899.0 3.028 317.1 1900.0 3.041 317.0 1901.0 3.054 316.9 1902.0 3.067 316.8 1903.0 3.079 316.7 1904.0 3.092 316.6 1905.0 3.104 316.4 1906.0 3.116 316.3 1907.0 3.128 316.2 1908.0 3.140 316.1 1909.0 3.152 316.0 1910.0 3.163 315.9 1911.0 3.174 315.8 1912.0 3.186 315.7 1913.0 3.197 315.6 1914.0 3.207 315.5 1915.0 3.218 315.4 1916.0 3.229 315.3 1917.0 3.239 315.2 1918.0 3.249 315.1 1919.0 3.259 315.0 1920.0 3.269 314.9 1921.0 3.279 314.8 1922.0 3.289 314.8 1923.0 3.298 314.7 1924.0 3.308 314.6 1925.0 3.317 314.5 1926.0 3.326 314.4 1927.0 3.335 314.3 1928.0 3.344 314.2 1929.0 3.352 314.1 1930.0 3.361 314.0 1931.0 3.369 313.9 1932.0 3.377 313.8 1933.0 3.385 313.7 1934.0 3.393 313.7 1935.0 3.401 313.6 1936.0 3.409 313.5 1937.0 3.416 313.4 1938.0 3.423 313.3 1939.0 3.431 313.2 1940.0 3.438 313.1 1941.0 3.445 313.0 1942.0 3.451 313.0 1943.0 3.458 312.9 1944.0 3.465 312.8 1945.0 3.471 312.7 1946.0 3.477 312.6 1947.0 3.483 312.5 1948.0 3.489 312.5 1949.0 3.495 312.4 1950.0 3.501 312.3 1951.0 3.507 312.2 1952.0 3.512 312.1 1953.0 3.517 312.0 1954.0 3.522 312.0 1955.0 3.528 311.9 1956.0 3.532 311.8 1957.0 3.537 311.7 1958.0 3.542 311.6 1959.0 3.546 311.6 1960.0 3.551 311.5 1961.0 3.555 311.4 1962.0 3.559 311.3 1963.0 3.563 311.2 1964.0 3.567 311.1 1965.0 3.571 311.1 1966.0 3.575 311.0 1967.0 3.578 310.9 1968.0 3.582 310.8 1969.0 3.585 310.7 1970.0 3.588 310.7 1971.0 3.591 310.6 1972.0 3.594 310.5 1973.0 3.597 310.4 1974.0 3.599 310.4 1975.0 3.602 310.3 1976.0 3.604 310.2 1977.0 3.607 310.1 1978.0 3.609 310.0 1979.0 3.611 310.0 1980.0 3.613 309.9 1981.0 3.615 309.8 1982.0 3.616 309.7 1983.0 3.618 309.7 1984.0 3.619 309.6 1985.0 3.621 309.5 1986.0 3.622 309.4 1987.0 3.623 309.3 1988.0 3.624 309.3 1989.0 3.625 309.2 1990.0 3.625 309.1 1991.0 3.626 309.0 1992.0 3.627 309.0 1993.0 3.627 308.9 1994.0 3.627 308.8 1995.0 3.627 308.7 1996.0 3.627 308.6 1997.0 3.627 308.6 1998.0 3.627 308.5 1999.0 3.627 308.4 2000.0 3.626 308.3 2001.0 3.626 308.3 2002.0 3.625 308.2 2003.0 3.624 308.1 2004.0 3.623 308.0 2005.0 3.622 307.9 2006.0 3.621 307.9 2007.0 3.620 307.8 2008.0 3.619 307.7 2009.0 3.617 307.6 2010.0 3.616 307.6 2011.0 3.614 307.5 2012.0 3.612 307.4 2013.0 3.610 307.3 2014.0 3.608 307.2 2015.0 3.606 307.2 2016.0 3.604 307.1 2017.0 3.601 307.0 2018.0 3.599 306.9 2019.0 3.596 306.9 2020.0 3.594 306.8 2021.0 3.591 306.7 2022.0 3.588 306.6 2023.0 3.585 306.5 2024.0 3.582 306.5 2025.0 3.578 306.4 2026.0 3.575 306.3 2027.0 3.571 306.2 2028.0 3.568 306.1 2029.0 3.564 306.1 2030.0 3.560 306.0 2031.0 3.556 305.9 2032.0 3.552 305.8 2033.0 3.548 305.7 2034.0 3.544 305.7 2035.0 3.539 305.6 2036.0 3.535 305.5 2037.0 3.530 305.4 2038.0 3.526 305.3 2039.0 3.521 305.2 2040.0 3.516 305.2 2041.0 3.511 305.1 2042.0 3.506 305.0 2043.0 3.501 304.9 2044.0 3.495 304.8 2045.0 3.490 304.7 2046.0 3.484 304.7 2047.0 3.478 304.6 2048.0 3.473 304.5 2049.0 3.467 304.4 2050.0 3.461 304.3 2051.0 3.455 304.2 2052.0 3.448 304.2 2053.0 3.442 304.1 2054.0 3.436 304.0 2055.0 3.429 303.9 2056.0 3.422 303.8 2057.0 3.416 303.7 2058.0 3.409 303.6 2059.0 3.402 303.5 2060.0 3.395 303.5 2061.0 3.388 303.4 2062.0 3.380 303.3 2063.0 3.373 303.2 2064.0 3.365 303.1 2065.0 3.358 303.0 2066.0 3.350 302.9 2067.0 3.342 302.8 2068.0 3.334 302.7 2069.0 3.326 302.6 2070.0 3.318 302.6 2071.0 3.310 302.5 2072.0 3.301 302.4 2073.0 3.293 302.3 2074.0 3.284 302.2 2075.0 3.276 302.1 2076.0 3.267 302.0 2077.0 3.258 301.9 2078.0 3.249 301.8 2079.0 3.240 301.7 2080.0 3.231 301.6 2081.0 3.221 301.5 2082.0 3.212 301.4 2083.0 3.202 301.3 2084.0 3.193 301.2 2085.0 3.183 301.1 2086.0 3.173 301.0 2087.0 3.163 300.9 2088.0 3.153 300.8 2089.0 3.143 300.7 2090.0 3.132 300.6 2091.0 3.122 300.5 2092.0 3.112 300.4 2093.0 3.101 300.3 2094.0 3.090 300.2 2095.0 3.079 300.1 2096.0 3.069 300.0 2097.0 3.058 299.9 2098.0 3.046 299.7 2099.0 3.035 299.6 2100.0 3.024 299.5 2101.0 3.012 299.4 2102.0 3.001 299.3 2103.0 2.989 299.2 2104.0 2.977 299.1 2105.0 2.965 299.0 2106.0 2.953 298.8 2107.0 2.941 298.7 2108.0 2.929 298.6 2109.0 2.917 298.5 2110.0 2.904 298.4 2111.0 2.892 298.2 2112.0 2.879 298.1 2113.0 2.867 298.0 2114.0 2.854 297.9 2115.0 2.841 297.7 2116.0 2.828 297.6 2117.0 2.815 297.5 2118.0 2.801 297.4 2119.0 2.788 297.2 2120.0 2.774 297.1 2121.0 2.761 297.0 2122.0 2.747 296.8 2123.0 2.733 296.7 2124.0 2.719 296.6 2125.0 2.705 296.4 2126.0 2.691 296.3 2127.0 2.677 296.1 2128.0 2.663 296.0 2129.0 2.648 295.8 2130.0 2.634 295.7 2131.0 2.619 295.6 2132.0 2.605 295.4 2133.0 2.590 295.3 2134.0 2.575 295.1 2135.0 2.560 294.9 2136.0 2.544 294.8 2137.0 2.529 294.6 2138.0 2.514 294.5 2139.0 2.498 294.3 2140.0 2.483 294.1 2141.0 2.467 294.0 2142.0 2.451 293.8 2143.0 2.435 293.6 2144.0 2.419 293.5 2145.0 2.403 293.3 2146.0 2.387 293.1 2147.0 2.371 292.9 2148.0 2.354 292.8 2149.0 2.338 292.6 2150.0 2.321 292.4 2151.0 2.304 292.2 2152.0 2.288 292.0 2153.0 2.271 291.8 2154.0 2.254 291.6 2155.0 2.237 291.4 2156.0 2.219 291.2 2157.0 2.202 291.0 2158.0 2.184 290.8 2159.0 2.167 290.6 2160.0 2.149 290.3 2161.0 2.132 290.1 2162.0 2.114 289.9 2163.0 2.096 289.7 2164.0 2.078 289.4 2165.0 2.060 289.2 2166.0 2.041 288.9 2167.0 2.023 288.7 2168.0 2.005 288.4 2169.0 1.986 288.2 2170.0 1.967 287.9 2171.0 1.949 287.7 2172.0 1.930 287.4 2173.0 1.911 287.1 2174.0 1.892 286.8 2175.0 1.873 286.5 2176.0 1.854 286.3 2177.0 1.835 286.0 2178.0 1.815 285.6 2179.0 1.796 285.3 2180.0 1.776 285.0 2181.0 1.757 284.7 2182.0 1.737 284.4 2183.0 1.717 284.0 2184.0 1.697 283.7 2185.0 1.678 283.3 2186.0 1.658 282.9 2187.0 1.637 282.6 2188.0 1.617 282.2 2189.0 1.597 281.8 2190.0 1.577 281.4 2191.0 1.557 281.0 2192.0 1.536 280.5 2193.0 1.516 280.1 2194.0 1.495 279.6 2195.0 1.475 279.2 2196.0 1.454 278.7 2197.0 1.434 278.2 2198.0 1.413 277.7 2199.0 1.392 277.2 2200.0 1.371 276.7 2201.0 1.351 276.1 2202.0 1.330 275.5 2203.0 1.309 275.0 2204.0 1.288 274.4 2205.0 1.267 273.7 2206.0 1.247 273.1 2207.0 1.226 272.4 2208.0 1.205 271.7 2209.0 1.184 271.0 2210.0 1.164 270.3 2211.0 1.143 269.5 2212.0 1.122 268.7 2213.0 1.102 267.9 2214.0 1.081 267.0 2215.0 1.061 266.1 2216.0 1.041 265.2 2217.0 1.021 264.3 2218.0 1.001 263.3 2219.0 0.981 262.2 2220.0 0.961 261.1 2221.0 0.942 260.0 2222.0 0.923 258.8 2223.0 0.904 257.6 2224.0 0.885 256.4 2225.0 0.866 255.0 2226.0 0.848 253.6 2227.0 0.831 252.2 2228.0 0.813 250.7 2229.0 0.796 249.1 2230.0 0.780 247.5 2231.0 0.764 245.8 2232.0 0.748 244.0 2233.0 0.734 242.1 2234.0 0.719 240.2 2235.0 0.706 238.2 2236.0 0.693 236.1 2237.0 0.681 233.9 2238.0 0.670 231.7 2239.0 0.659 229.4 2240.0 0.650 227.0 2241.0 0.641 224.6 2242.0 0.634 222.1 2243.0 0.628 219.5 2244.0 0.622 216.9 2245.0 0.618 214.2 2246.0 0.615 211.5 2247.0 0.613 208.8 2248.0 0.612 206.1 2249.0 0.612 203.4 2250.0 0.614 200.7 2251.0 0.616 198.0 2252.0 0.620 195.3 2253.0 0.625 192.7 2254.0 0.630 190.1 2255.0 0.637 187.6 2256.0 0.644 185.1 2257.0 0.653 182.6 2258.0 0.662 180.3 2259.0 0.672 178.0 2260.0 0.682 175.8 2261.0 0.693 173.6 2262.0 0.704 171.5 2263.0 0.716 169.5 2264.0 0.728 167.5 2265.0 0.741 165.7 2266.0 0.753 163.8 2267.0 0.766 162.1 2268.0 0.779 160.4 2269.0 0.791 158.7 2270.0 0.804 157.1 2271.0 0.816 155.5 2272.0 0.828 154.0 2273.0 0.839 152.6 2274.0 0.850 151.1 2275.0 0.860 149.7 2276.0 0.870 148.4 2277.0 0.879 147.1 2278.0 0.887 145.7 2279.0 0.894 144.5 2280.0 0.899 143.2 2281.0 0.904 141.9 2282.0 0.908 140.7 2283.0 0.910 139.5 2284.0 0.910 138.2 2285.0 0.910 137.0 2286.0 0.907 135.8 2287.0 0.903 134.5 2288.0 0.898 133.3 2289.0 0.891 132.0