| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:07:47 |
| WDS: | STF2574 | WDS ID/Discoverer |
| P: | 685.130 | Orbital period (years) |
| a: | 1.302 | Semi-major axis (arcseconds) |
| i: | 78.9 | Inclination (degrees) |
| Ω: | 107.6 | Longitude of ascending node (degrees) |
| T: | 2057.260 | Epoch of periastron passage (year) |
| e: | 0.67 | Eccentricity |
| ω: | 48.2 | Longitude of periastron (degrees) |
| Start-Year: | 1683.0 | Year |
| End-Year: | 2367.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 194034.80+623953.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19406+6240 | WDS designation |
| Discoverer Code: | STF2574 | Discover designation and components |
| ADS number: | 12803 | Aitken Double Star catalog |
| HD number: | 186453 | HD catalog number |
| Hipparcos number: | 96796 | Hipparcos catalog number |
| V1: | 7.73 | Magnitude of the primary |
| V2: | 8.91 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | 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 0.549 99.8 ------------------------- 1683.0 1.587 298.0 1684.0 1.585 298.1 1685.0 1.582 298.1 1686.0 1.579 298.2 1687.0 1.576 298.2 1688.0 1.573 298.3 1689.0 1.570 298.3 1690.0 1.567 298.4 1691.0 1.563 298.5 1692.0 1.560 298.5 1693.0 1.557 298.6 1694.0 1.554 298.6 1695.0 1.551 298.7 1696.0 1.548 298.7 1697.0 1.544 298.8 1698.0 1.541 298.8 1699.0 1.538 298.9 1700.0 1.534 298.9 1701.0 1.531 299.0 1702.0 1.528 299.0 1703.0 1.524 299.1 1704.0 1.521 299.1 1705.0 1.517 299.2 1706.0 1.514 299.3 1707.0 1.510 299.3 1708.0 1.507 299.4 1709.0 1.503 299.4 1710.0 1.500 299.5 1711.0 1.496 299.5 1712.0 1.492 299.6 1713.0 1.489 299.7 1714.0 1.485 299.7 1715.0 1.481 299.8 1716.0 1.478 299.8 1717.0 1.474 299.9 1718.0 1.470 299.9 1719.0 1.466 300.0 1720.0 1.462 300.1 1721.0 1.459 300.1 1722.0 1.455 300.2 1723.0 1.451 300.2 1724.0 1.447 300.3 1725.0 1.443 300.4 1726.0 1.439 300.4 1727.0 1.435 300.5 1728.0 1.431 300.5 1729.0 1.427 300.6 1730.0 1.423 300.7 1731.0 1.418 300.7 1732.0 1.414 300.8 1733.0 1.410 300.9 1734.0 1.406 300.9 1735.0 1.402 301.0 1736.0 1.398 301.1 1737.0 1.393 301.1 1738.0 1.389 301.2 1739.0 1.385 301.3 1740.0 1.380 301.3 1741.0 1.376 301.4 1742.0 1.372 301.5 1743.0 1.367 301.5 1744.0 1.363 301.6 1745.0 1.358 301.7 1746.0 1.354 301.7 1747.0 1.349 301.8 1748.0 1.345 301.9 1749.0 1.340 301.9 1750.0 1.336 302.0 1751.0 1.331 302.1 1752.0 1.327 302.2 1753.0 1.322 302.2 1754.0 1.317 302.3 1755.0 1.313 302.4 1756.0 1.308 302.5 1757.0 1.303 302.5 1758.0 1.299 302.6 1759.0 1.294 302.7 1760.0 1.289 302.8 1761.0 1.284 302.8 1762.0 1.279 302.9 1763.0 1.275 303.0 1764.0 1.270 303.1 1765.0 1.265 303.1 1766.0 1.260 303.2 1767.0 1.255 303.3 1768.0 1.250 303.4 1769.0 1.245 303.5 1770.0 1.240 303.5 1771.0 1.235 303.6 1772.0 1.230 303.7 1773.0 1.225 303.8 1774.0 1.220 303.9 1775.0 1.215 304.0 1776.0 1.210 304.1 1777.0 1.204 304.1 1778.0 1.199 304.2 1779.0 1.194 304.3 1780.0 1.189 304.4 1781.0 1.184 304.5 1782.0 1.178 304.6 1783.0 1.173 304.7 1784.0 1.168 304.8 1785.0 1.163 304.9 1786.0 1.157 305.0 1787.0 1.152 305.1 1788.0 1.147 305.2 1789.0 1.141 305.3 1790.0 1.136 305.4 1791.0 1.130 305.5 1792.0 1.125 305.6 1793.0 1.119 305.7 1794.0 1.114 305.8 1795.0 1.108 305.9 1796.0 1.103 306.0 1797.0 1.097 306.1 1798.0 1.092 306.2 1799.0 1.086 306.3 1800.0 1.081 306.4 1801.0 1.075 306.5 1802.0 1.069 306.6 1803.0 1.064 306.7 1804.0 1.058 306.8 1805.0 1.052 307.0 1806.0 1.047 307.1 1807.0 1.041 307.2 1808.0 1.035 307.3 1809.0 1.030 307.4 1810.0 1.024 307.5 1811.0 1.018 307.7 1812.0 1.012 307.8 1813.0 1.006 307.9 1814.0 1.000 308.0 1815.0 0.995 308.2 1816.0 0.989 308.3 1817.0 0.983 308.4 1818.0 0.977 308.6 1819.0 0.971 308.7 1820.0 0.965 308.8 1821.0 0.959 309.0 1822.0 0.953 309.1 1823.0 0.947 309.2 1824.0 0.941 309.4 1825.0 0.935 309.5 1826.0 0.929 309.7 1827.0 0.923 309.8 1828.0 0.917 310.0 1829.0 0.911 310.1 1830.0 0.905 310.3 1831.0 0.899 310.4 1832.0 0.893 310.6 1833.0 0.886 310.8 1834.0 0.880 310.9 1835.0 0.874 311.1 1836.0 0.868 311.3 1837.0 0.862 311.4 1838.0 0.856 311.6 1839.0 0.849 311.8 1840.0 0.843 312.0 1841.0 0.837 312.1 1842.0 0.831 312.3 1843.0 0.824 312.5 1844.0 0.818 312.7 1845.0 0.812 312.9 1846.0 0.806 313.1 1847.0 0.799 313.3 1848.0 0.793 313.5 1849.0 0.787 313.7 1850.0 0.780 313.9 1851.0 0.774 314.1 1852.0 0.767 314.3 1853.0 0.761 314.5 1854.0 0.755 314.8 1855.0 0.748 315.0 1856.0 0.742 315.2 1857.0 0.736 315.4 1858.0 0.729 315.7 1859.0 0.723 315.9 1860.0 0.716 316.2 1861.0 0.710 316.4 1862.0 0.703 316.7 1863.0 0.697 316.9 1864.0 0.691 317.2 1865.0 0.684 317.5 1866.0 0.678 317.7 1867.0 0.671 318.0 1868.0 0.665 318.3 1869.0 0.658 318.6 1870.0 0.652 318.9 1871.0 0.645 319.2 1872.0 0.639 319.5 1873.0 0.632 319.8 1874.0 0.626 320.1 1875.0 0.619 320.5 1876.0 0.613 320.8 1877.0 0.606 321.1 1878.0 0.600 321.5 1879.0 0.594 321.9 1880.0 0.587 322.2 1881.0 0.581 322.6 1882.0 0.574 323.0 1883.0 0.568 323.4 1884.0 0.561 323.8 1885.0 0.555 324.2 1886.0 0.548 324.6 1887.0 0.542 325.0 1888.0 0.536 325.5 1889.0 0.529 325.9 1890.0 0.523 326.4 1891.0 0.517 326.8 1892.0 0.510 327.3 1893.0 0.504 327.8 1894.0 0.498 328.3 1895.0 0.492 328.8 1896.0 0.485 329.4 1897.0 0.479 329.9 1898.0 0.473 330.5 1899.0 0.467 331.1 1900.0 0.461 331.7 1901.0 0.455 332.3 1902.0 0.448 332.9 1903.0 0.442 333.5 1904.0 0.436 334.2 1905.0 0.431 334.9 1906.0 0.425 335.6 1907.0 0.419 336.3 1908.0 0.413 337.0 1909.0 0.407 337.8 1910.0 0.402 338.6 1911.0 0.396 339.4 1912.0 0.390 340.2 1913.0 0.385 341.0 1914.0 0.379 341.9 1915.0 0.374 342.8 1916.0 0.369 343.7 1917.0 0.364 344.7 1918.0 0.359 345.6 1919.0 0.354 346.6 1920.0 0.349 347.7 1921.0 0.344 348.7 1922.0 0.339 349.8 1923.0 0.335 351.0 1924.0 0.330 352.1 1925.0 0.326 353.3 1926.0 0.321 354.5 1927.0 0.317 355.8 1928.0 0.313 357.0 1929.0 0.310 358.3 1930.0 0.306 359.7 1931.0 0.302 1.1 1932.0 0.299 2.5 1933.0 0.296 3.9 1934.0 0.293 5.4 1935.0 0.290 6.9 1936.0 0.287 8.4 1937.0 0.285 10.0 1938.0 0.283 11.6 1939.0 0.280 13.2 1940.0 0.279 14.8 1941.0 0.277 16.4 1942.0 0.276 18.1 1943.0 0.274 19.8 1944.0 0.273 21.5 1945.0 0.273 23.2 1946.0 0.272 24.9 1947.0 0.272 26.6 1948.0 0.272 28.4 1949.0 0.272 30.1 1950.0 0.272 31.8 1951.0 0.273 33.5 1952.0 0.274 35.2 1953.0 0.275 36.9 1954.0 0.276 38.6 1955.0 0.277 40.3 1956.0 0.279 41.9 1957.0 0.281 43.5 1958.0 0.283 45.1 1959.0 0.285 46.7 1960.0 0.288 48.3 1961.0 0.290 49.8 1962.0 0.293 51.3 1963.0 0.296 52.7 1964.0 0.299 54.2 1965.0 0.303 55.6 1966.0 0.306 57.0 1967.0 0.310 58.3 1968.0 0.314 59.6 1969.0 0.317 60.9 1970.0 0.321 62.1 1971.0 0.326 63.4 1972.0 0.330 64.5 1973.0 0.334 65.7 1974.0 0.338 66.8 1975.0 0.343 67.9 1976.0 0.348 69.0 1977.0 0.352 70.0 1978.0 0.357 71.0 1979.0 0.362 72.0 1980.0 0.367 73.0 1981.0 0.372 73.9 1982.0 0.376 74.8 1983.0 0.381 75.7 1984.0 0.387 76.6 1985.0 0.392 77.4 1986.0 0.397 78.2 1987.0 0.402 79.0 1988.0 0.407 79.8 1989.0 0.412 80.6 1990.0 0.417 81.3 1991.0 0.422 82.0 1992.0 0.427 82.7 1993.0 0.432 83.4 1994.0 0.438 84.1 1995.0 0.443 84.8 1996.0 0.448 85.4 1997.0 0.453 86.0 1998.0 0.458 86.6 1999.0 0.462 87.3 2000.0 0.467 87.8 2001.0 0.472 88.4 2002.0 0.477 89.0 2003.0 0.481 89.5 2004.0 0.486 90.1 2005.0 0.491 90.6 2006.0 0.495 91.1 2007.0 0.499 91.7 2008.0 0.503 92.2 2009.0 0.507 92.7 2010.0 0.511 93.2 2011.0 0.515 93.6 2012.0 0.519 94.1 2013.0 0.522 94.6 2014.0 0.526 95.0 2015.0 0.529 95.5 2016.0 0.532 96.0 2017.0 0.535 96.4 2018.0 0.538 96.8 2019.0 0.540 97.3 2020.0 0.542 97.7 2021.0 0.544 98.1 2022.0 0.546 98.6 2023.0 0.547 99.0 2024.0 0.549 99.4 2025.0 0.549 99.8 2026.0 0.550 100.3 2027.0 0.550 100.7 2028.0 0.550 101.1 2029.0 0.550 101.5 2030.0 0.549 102.0 2031.0 0.547 102.4 2032.0 0.546 102.8 2033.0 0.543 103.2 2034.0 0.541 103.7 2035.0 0.538 104.1 2036.0 0.534 104.5 2037.0 0.530 105.0 2038.0 0.525 105.5 2039.0 0.519 105.9 2040.0 0.513 106.4 2041.0 0.507 106.9 2042.0 0.499 107.4 2043.0 0.491 107.9 2044.0 0.482 108.4 2045.0 0.473 109.0 2046.0 0.462 109.6 2047.0 0.451 110.2 2048.0 0.439 110.8 2049.0 0.427 111.5 2050.0 0.413 112.2 2051.0 0.399 113.0 2052.0 0.384 113.8 2053.0 0.368 114.7 2054.0 0.351 115.7 2055.0 0.334 116.8 2056.0 0.316 118.0 2057.0 0.298 119.4 2058.0 0.279 120.9 2059.0 0.259 122.7 2060.0 0.240 124.7 2061.0 0.220 127.1 2062.0 0.200 130.0 2063.0 0.180 133.6 2064.0 0.161 137.9 2065.0 0.143 143.5 2066.0 0.126 150.6 2067.0 0.111 159.8 2068.0 0.100 171.4 2069.0 0.093 185.3 2070.0 0.092 200.3 2071.0 0.098 214.5 2072.0 0.108 226.6 2073.0 0.123 236.2 2074.0 0.139 243.7 2075.0 0.158 249.5 2076.0 0.177 254.1 2077.0 0.197 257.7 2078.0 0.218 260.7 2079.0 0.239 263.1 2080.0 0.260 265.2 2081.0 0.280 266.9 2082.0 0.301 268.4 2083.0 0.322 269.7 2084.0 0.343 270.9 2085.0 0.363 271.9 2086.0 0.384 272.8 2087.0 0.404 273.6 2088.0 0.424 274.4 2089.0 0.443 275.1 2090.0 0.463 275.7 2091.0 0.482 276.3 2092.0 0.501 276.8 2093.0 0.520 277.3 2094.0 0.538 277.7 2095.0 0.556 278.2 2096.0 0.575 278.5 2097.0 0.592 278.9 2098.0 0.610 279.3 2099.0 0.627 279.6 2100.0 0.644 279.9 2101.0 0.661 280.2 2102.0 0.678 280.5 2103.0 0.694 280.8 2104.0 0.710 281.0 2105.0 0.726 281.3 2106.0 0.742 281.5 2107.0 0.757 281.7 2108.0 0.773 282.0 2109.0 0.788 282.2 2110.0 0.802 282.4 2111.0 0.817 282.6 2112.0 0.832 282.8 2113.0 0.846 282.9 2114.0 0.860 283.1 2115.0 0.874 283.3 2116.0 0.887 283.4 2117.0 0.901 283.6 2118.0 0.914 283.8 2119.0 0.927 283.9 2120.0 0.940 284.1 2121.0 0.953 284.2 2122.0 0.965 284.3 2123.0 0.978 284.5 2124.0 0.990 284.6 2125.0 1.002 284.7 2126.0 1.014 284.9 2127.0 1.026 285.0 2128.0 1.037 285.1 2129.0 1.049 285.2 2130.0 1.060 285.3 2131.0 1.071 285.4 2132.0 1.082 285.6 2133.0 1.093 285.7 2134.0 1.104 285.8 2135.0 1.114 285.9 2136.0 1.125 286.0 2137.0 1.135 286.1 2138.0 1.145 286.2 2139.0 1.155 286.3 2140.0 1.165 286.4 2141.0 1.175 286.4 2142.0 1.184 286.5 2143.0 1.194 286.6 2144.0 1.203 286.7 2145.0 1.212 286.8 2146.0 1.221 286.9 2147.0 1.230 287.0 2148.0 1.239 287.1 2149.0 1.248 287.1 2150.0 1.257 287.2 2151.0 1.265 287.3 2152.0 1.274 287.4 2153.0 1.282 287.5 2154.0 1.290 287.5 2155.0 1.298 287.6 2156.0 1.306 287.7 2157.0 1.314 287.8 2158.0 1.322 287.8 2159.0 1.329 287.9 2160.0 1.337 288.0 2161.0 1.344 288.1 2162.0 1.352 288.1 2163.0 1.359 288.2 2164.0 1.366 288.3 2165.0 1.373 288.3 2166.0 1.380 288.4 2167.0 1.387 288.5 2168.0 1.394 288.5 2169.0 1.400 288.6 2170.0 1.407 288.7 2171.0 1.413 288.7 2172.0 1.420 288.8 2173.0 1.426 288.8 2174.0 1.432 288.9 2175.0 1.438 289.0 2176.0 1.444 289.0 2177.0 1.450 289.1 2178.0 1.456 289.2 2179.0 1.462 289.2 2180.0 1.468 289.3 2181.0 1.473 289.3 2182.0 1.479 289.4 2183.0 1.484 289.4 2184.0 1.490 289.5 2185.0 1.495 289.6 2186.0 1.500 289.6 2187.0 1.505 289.7 2188.0 1.511 289.7 2189.0 1.516 289.8 2190.0 1.520 289.8 2191.0 1.525 289.9 2192.0 1.530 290.0 2193.0 1.535 290.0 2194.0 1.539 290.1 2195.0 1.544 290.1 2196.0 1.548 290.2 2197.0 1.553 290.2 2198.0 1.557 290.3 2199.0 1.562 290.3 2200.0 1.566 290.4 2201.0 1.570 290.4 2202.0 1.574 290.5 2203.0 1.578 290.5 2204.0 1.582 290.6 2205.0 1.586 290.6 2206.0 1.590 290.7 2207.0 1.593 290.7 2208.0 1.597 290.8 2209.0 1.601 290.8 2210.0 1.604 290.9 2211.0 1.608 290.9 2212.0 1.611 291.0 2213.0 1.614 291.0 2214.0 1.618 291.1 2215.0 1.621 291.1 2216.0 1.624 291.2 2217.0 1.627 291.2 2218.0 1.630 291.3 2219.0 1.633 291.3 2220.0 1.636 291.4 2221.0 1.639 291.4 2222.0 1.642 291.5 2223.0 1.645 291.5 2224.0 1.648 291.6 2225.0 1.650 291.6 2226.0 1.653 291.7 2227.0 1.655 291.7 2228.0 1.658 291.7 2229.0 1.660 291.8 2230.0 1.663 291.8 2231.0 1.665 291.9 2232.0 1.667 291.9 2233.0 1.670 292.0 2234.0 1.672 292.0 2235.0 1.674 292.1 2236.0 1.676 292.1 2237.0 1.678 292.2 2238.0 1.680 292.2 2239.0 1.682 292.2 2240.0 1.684 292.3 2241.0 1.686 292.3 2242.0 1.687 292.4 2243.0 1.689 292.4 2244.0 1.691 292.5 2245.0 1.692 292.5 2246.0 1.694 292.6 2247.0 1.695 292.6 2248.0 1.697 292.6 2249.0 1.698 292.7 2250.0 1.700 292.7 2251.0 1.701 292.8 2252.0 1.702 292.8 2253.0 1.704 292.9 2254.0 1.705 292.9 2255.0 1.706 293.0 2256.0 1.707 293.0 2257.0 1.708 293.0 2258.0 1.709 293.1 2259.0 1.710 293.1 2260.0 1.711 293.2 2261.0 1.712 293.2 2262.0 1.713 293.3 2263.0 1.713 293.3 2264.0 1.714 293.3 2265.0 1.715 293.4 2266.0 1.715 293.4 2267.0 1.716 293.5 2268.0 1.717 293.5 2269.0 1.717 293.6 2270.0 1.718 293.6 2271.0 1.718 293.6 2272.0 1.718 293.7 2273.0 1.719 293.7 2274.0 1.719 293.8 2275.0 1.719 293.8 2276.0 1.720 293.9 2277.0 1.720 293.9 2278.0 1.720 294.0 2279.0 1.720 294.0 2280.0 1.720 294.0 2281.0 1.720 294.1 2282.0 1.720 294.1 2283.0 1.720 294.2 2284.0 1.720 294.2 2285.0 1.720 294.3 2286.0 1.720 294.3 2287.0 1.719 294.3 2288.0 1.719 294.4 2289.0 1.719 294.4 2290.0 1.719 294.5 2291.0 1.718 294.5 2292.0 1.718 294.6 2293.0 1.717 294.6 2294.0 1.717 294.6 2295.0 1.716 294.7 2296.0 1.716 294.7 2297.0 1.715 294.8 2298.0 1.715 294.8 2299.0 1.714 294.9 2300.0 1.713 294.9 2301.0 1.713 294.9 2302.0 1.712 295.0 2303.0 1.711 295.0 2304.0 1.710 295.1 2305.0 1.709 295.1 2306.0 1.708 295.2 2307.0 1.707 295.2 2308.0 1.706 295.2 2309.0 1.705 295.3 2310.0 1.704 295.3 2311.0 1.703 295.4 2312.0 1.702 295.4 2313.0 1.701 295.5 2314.0 1.700 295.5 2315.0 1.699 295.6 2316.0 1.697 295.6 2317.0 1.696 295.6 2318.0 1.695 295.7 2319.0 1.693 295.7 2320.0 1.692 295.8 2321.0 1.690 295.8 2322.0 1.689 295.9 2323.0 1.687 295.9 2324.0 1.686 296.0 2325.0 1.684 296.0 2326.0 1.683 296.0 2327.0 1.681 296.1 2328.0 1.680 296.1 2329.0 1.678 296.2 2330.0 1.676 296.2 2331.0 1.674 296.3 2332.0 1.673 296.3 2333.0 1.671 296.4 2334.0 1.669 296.4 2335.0 1.667 296.5 2336.0 1.665 296.5 2337.0 1.663 296.5 2338.0 1.661 296.6 2339.0 1.659 296.6 2340.0 1.657 296.7 2341.0 1.655 296.7 2342.0 1.653 296.8 2343.0 1.651 296.8 2344.0 1.649 296.9 2345.0 1.646 296.9 2346.0 1.644 297.0 2347.0 1.642 297.0 2348.0 1.640 297.1 2349.0 1.637 297.1 2350.0 1.635 297.2 2351.0 1.633 297.2 2352.0 1.630 297.2 2353.0 1.628 297.3 2354.0 1.625 297.3 2355.0 1.623 297.4 2356.0 1.620 297.4 2357.0 1.618 297.5 2358.0 1.615 297.5 2359.0 1.613 297.6 2360.0 1.610 297.6 2361.0 1.607 297.7 2362.0 1.605 297.7 2363.0 1.602 297.8 2364.0 1.599 297.8 2365.0 1.596 297.9 2366.0 1.594 297.9