| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:59:45 |
| WDS: | STF2383CD | WDS ID/Discoverer |
| P: | 724.300 | Orbital period (years) |
| a: | 2.92 | Semi-major axis (arcseconds) |
| i: | 126.1 | Inclination (degrees) |
| Ω: | 26.5 | Longitude of ascending node (degrees) |
| T: | 2223.900 | Epoch of periastron passage (year) |
| e: | 0.353 | Eccentricity |
| ω: | 73.8 | Longitude of periastron (degrees) |
| Start-Year: | 1663.0 | Year |
| End-Year: | 2387.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 184422.78+393645.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18443+3940 | WDS designation |
| Discoverer Code: | STF2383CD | Discover designation and components |
| ADS number: | 11635 | Aitken Double Star catalog |
| HD number: | 173607 | HD catalog number |
| Hipparcos number: | 91926 | Hipparcos catalog number |
| V1: | 5.25 | Magnitude of the primary |
| V2: | 5.38 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2020 | 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 2.415 72.3 ------------------------- 1663.0 3.053 197.8 1664.0 3.058 197.6 1665.0 3.062 197.3 1666.0 3.066 197.1 1667.0 3.070 196.8 1668.0 3.074 196.6 1669.0 3.078 196.4 1670.0 3.082 196.1 1671.0 3.085 195.9 1672.0 3.088 195.6 1673.0 3.092 195.4 1674.0 3.095 195.1 1675.0 3.098 194.9 1676.0 3.101 194.6 1677.0 3.104 194.4 1678.0 3.106 194.2 1679.0 3.109 193.9 1680.0 3.111 193.7 1681.0 3.114 193.4 1682.0 3.116 193.2 1683.0 3.118 192.9 1684.0 3.120 192.7 1685.0 3.122 192.5 1686.0 3.124 192.2 1687.0 3.125 192.0 1688.0 3.127 191.8 1689.0 3.128 191.5 1690.0 3.130 191.3 1691.0 3.131 191.0 1692.0 3.132 190.8 1693.0 3.133 190.6 1694.0 3.134 190.3 1695.0 3.135 190.1 1696.0 3.136 189.8 1697.0 3.136 189.6 1698.0 3.137 189.4 1699.0 3.137 189.1 1700.0 3.137 188.9 1701.0 3.138 188.7 1702.0 3.138 188.4 1703.0 3.138 188.2 1704.0 3.138 187.9 1705.0 3.138 187.7 1706.0 3.137 187.5 1707.0 3.137 187.2 1708.0 3.137 187.0 1709.0 3.136 186.8 1710.0 3.136 186.5 1711.0 3.135 186.3 1712.0 3.134 186.0 1713.0 3.133 185.8 1714.0 3.132 185.6 1715.0 3.131 185.3 1716.0 3.130 185.1 1717.0 3.129 184.9 1718.0 3.128 184.6 1719.0 3.126 184.4 1720.0 3.125 184.1 1721.0 3.124 183.9 1722.0 3.122 183.7 1723.0 3.120 183.4 1724.0 3.119 183.2 1725.0 3.117 182.9 1726.0 3.115 182.7 1727.0 3.113 182.5 1728.0 3.111 182.2 1729.0 3.109 182.0 1730.0 3.107 181.7 1731.0 3.104 181.5 1732.0 3.102 181.2 1733.0 3.100 181.0 1734.0 3.097 180.8 1735.0 3.095 180.5 1736.0 3.092 180.3 1737.0 3.089 180.0 1738.0 3.087 179.8 1739.0 3.084 179.5 1740.0 3.081 179.3 1741.0 3.078 179.0 1742.0 3.075 178.8 1743.0 3.072 178.6 1744.0 3.069 178.3 1745.0 3.066 178.1 1746.0 3.062 177.8 1747.0 3.059 177.6 1748.0 3.056 177.3 1749.0 3.052 177.1 1750.0 3.049 176.8 1751.0 3.045 176.6 1752.0 3.042 176.3 1753.0 3.038 176.1 1754.0 3.035 175.8 1755.0 3.031 175.5 1756.0 3.027 175.3 1757.0 3.023 175.0 1758.0 3.019 174.8 1759.0 3.015 174.5 1760.0 3.012 174.3 1761.0 3.007 174.0 1762.0 3.003 173.7 1763.0 2.999 173.5 1764.0 2.995 173.2 1765.0 2.991 173.0 1766.0 2.987 172.7 1767.0 2.982 172.4 1768.0 2.978 172.2 1769.0 2.974 171.9 1770.0 2.969 171.7 1771.0 2.965 171.4 1772.0 2.960 171.1 1773.0 2.956 170.9 1774.0 2.951 170.6 1775.0 2.947 170.3 1776.0 2.942 170.0 1777.0 2.937 169.8 1778.0 2.933 169.5 1779.0 2.928 169.2 1780.0 2.923 169.0 1781.0 2.918 168.7 1782.0 2.913 168.4 1783.0 2.908 168.1 1784.0 2.904 167.9 1785.0 2.899 167.6 1786.0 2.894 167.3 1787.0 2.889 167.0 1788.0 2.884 166.7 1789.0 2.879 166.5 1790.0 2.873 166.2 1791.0 2.868 165.9 1792.0 2.863 165.6 1793.0 2.858 165.3 1794.0 2.853 165.0 1795.0 2.848 164.8 1796.0 2.843 164.5 1797.0 2.837 164.2 1798.0 2.832 163.9 1799.0 2.827 163.6 1800.0 2.821 163.3 1801.0 2.816 163.0 1802.0 2.811 162.7 1803.0 2.806 162.4 1804.0 2.800 162.1 1805.0 2.795 161.8 1806.0 2.789 161.5 1807.0 2.784 161.2 1808.0 2.779 160.9 1809.0 2.773 160.6 1810.0 2.768 160.3 1811.0 2.762 160.0 1812.0 2.757 159.7 1813.0 2.751 159.4 1814.0 2.746 159.1 1815.0 2.740 158.8 1816.0 2.735 158.5 1817.0 2.730 158.1 1818.0 2.724 157.8 1819.0 2.719 157.5 1820.0 2.713 157.2 1821.0 2.708 156.9 1822.0 2.702 156.6 1823.0 2.697 156.2 1824.0 2.691 155.9 1825.0 2.686 155.6 1826.0 2.680 155.3 1827.0 2.675 154.9 1828.0 2.669 154.6 1829.0 2.664 154.3 1830.0 2.658 154.0 1831.0 2.653 153.6 1832.0 2.647 153.3 1833.0 2.642 153.0 1834.0 2.636 152.6 1835.0 2.631 152.3 1836.0 2.626 151.9 1837.0 2.620 151.6 1838.0 2.615 151.3 1839.0 2.609 150.9 1840.0 2.604 150.6 1841.0 2.599 150.2 1842.0 2.593 149.9 1843.0 2.588 149.5 1844.0 2.583 149.2 1845.0 2.577 148.8 1846.0 2.572 148.5 1847.0 2.567 148.1 1848.0 2.562 147.8 1849.0 2.557 147.4 1850.0 2.551 147.1 1851.0 2.546 146.7 1852.0 2.541 146.3 1853.0 2.536 146.0 1854.0 2.531 145.6 1855.0 2.526 145.3 1856.0 2.521 144.9 1857.0 2.516 144.5 1858.0 2.511 144.1 1859.0 2.506 143.8 1860.0 2.501 143.4 1861.0 2.496 143.0 1862.0 2.491 142.7 1863.0 2.486 142.3 1864.0 2.481 141.9 1865.0 2.477 141.5 1866.0 2.472 141.1 1867.0 2.467 140.8 1868.0 2.463 140.4 1869.0 2.458 140.0 1870.0 2.453 139.6 1871.0 2.449 139.2 1872.0 2.444 138.8 1873.0 2.440 138.4 1874.0 2.435 138.0 1875.0 2.431 137.6 1876.0 2.427 137.2 1877.0 2.422 136.8 1878.0 2.418 136.4 1879.0 2.414 136.0 1880.0 2.410 135.6 1881.0 2.406 135.2 1882.0 2.402 134.8 1883.0 2.397 134.4 1884.0 2.393 134.0 1885.0 2.390 133.6 1886.0 2.386 133.2 1887.0 2.382 132.8 1888.0 2.378 132.4 1889.0 2.374 132.0 1890.0 2.371 131.6 1891.0 2.367 131.1 1892.0 2.363 130.7 1893.0 2.360 130.3 1894.0 2.356 129.9 1895.0 2.353 129.5 1896.0 2.350 129.0 1897.0 2.346 128.6 1898.0 2.343 128.2 1899.0 2.340 127.8 1900.0 2.337 127.3 1901.0 2.334 126.9 1902.0 2.330 126.5 1903.0 2.328 126.0 1904.0 2.325 125.6 1905.0 2.322 125.2 1906.0 2.319 124.7 1907.0 2.316 124.3 1908.0 2.314 123.9 1909.0 2.311 123.4 1910.0 2.308 123.0 1911.0 2.306 122.6 1912.0 2.303 122.1 1913.0 2.301 121.7 1914.0 2.299 121.2 1915.0 2.297 120.8 1916.0 2.294 120.4 1917.0 2.292 119.9 1918.0 2.290 119.5 1919.0 2.288 119.0 1920.0 2.286 118.6 1921.0 2.285 118.1 1922.0 2.283 117.7 1923.0 2.281 117.2 1924.0 2.279 116.8 1925.0 2.278 116.3 1926.0 2.276 115.9 1927.0 2.275 115.4 1928.0 2.273 115.0 1929.0 2.272 114.5 1930.0 2.271 114.1 1931.0 2.270 113.6 1932.0 2.269 113.2 1933.0 2.268 112.7 1934.0 2.267 112.3 1935.0 2.266 111.8 1936.0 2.265 111.3 1937.0 2.264 110.9 1938.0 2.263 110.4 1939.0 2.263 110.0 1940.0 2.262 109.5 1941.0 2.262 109.1 1942.0 2.261 108.6 1943.0 2.261 108.1 1944.0 2.261 107.7 1945.0 2.260 107.2 1946.0 2.260 106.8 1947.0 2.260 106.3 1948.0 2.260 105.9 1949.0 2.260 105.4 1950.0 2.260 104.9 1951.0 2.260 104.5 1952.0 2.261 104.0 1953.0 2.261 103.6 1954.0 2.261 103.1 1955.0 2.262 102.7 1956.0 2.262 102.2 1957.0 2.263 101.7 1958.0 2.263 101.3 1959.0 2.264 100.8 1960.0 2.265 100.4 1961.0 2.266 99.9 1962.0 2.267 99.5 1963.0 2.267 99.0 1964.0 2.268 98.6 1965.0 2.270 98.1 1966.0 2.271 97.7 1967.0 2.272 97.2 1968.0 2.273 96.8 1969.0 2.274 96.3 1970.0 2.276 95.8 1971.0 2.277 95.4 1972.0 2.279 94.9 1973.0 2.280 94.5 1974.0 2.282 94.0 1975.0 2.283 93.6 1976.0 2.285 93.2 1977.0 2.287 92.7 1978.0 2.289 92.3 1979.0 2.290 91.8 1980.0 2.292 91.4 1981.0 2.294 90.9 1982.0 2.296 90.5 1983.0 2.298 90.0 1984.0 2.300 89.6 1985.0 2.302 89.2 1986.0 2.305 88.7 1987.0 2.307 88.3 1988.0 2.309 87.8 1989.0 2.311 87.4 1990.0 2.314 87.0 1991.0 2.316 86.5 1992.0 2.319 86.1 1993.0 2.321 85.7 1994.0 2.324 85.2 1995.0 2.326 84.8 1996.0 2.329 84.4 1997.0 2.331 83.9 1998.0 2.334 83.5 1999.0 2.337 83.1 2000.0 2.339 82.6 2001.0 2.342 82.2 2002.0 2.345 81.8 2003.0 2.348 81.4 2004.0 2.351 80.9 2005.0 2.353 80.5 2006.0 2.356 80.1 2007.0 2.359 79.7 2008.0 2.362 79.3 2009.0 2.365 78.8 2010.0 2.368 78.4 2011.0 2.371 78.0 2012.0 2.374 77.6 2013.0 2.377 77.2 2014.0 2.380 76.8 2015.0 2.383 76.4 2016.0 2.387 75.9 2017.0 2.390 75.5 2018.0 2.393 75.1 2019.0 2.396 74.7 2020.0 2.399 74.3 2021.0 2.402 73.9 2022.0 2.405 73.5 2023.0 2.408 73.1 2024.0 2.412 72.7 2025.0 2.415 72.3 2026.0 2.418 71.9 2027.0 2.421 71.5 2028.0 2.424 71.1 2029.0 2.427 70.7 2030.0 2.431 70.3 2031.0 2.434 69.9 2032.0 2.437 69.5 2033.0 2.440 69.1 2034.0 2.443 68.7 2035.0 2.446 68.3 2036.0 2.449 68.0 2037.0 2.453 67.6 2038.0 2.456 67.2 2039.0 2.459 66.8 2040.0 2.462 66.4 2041.0 2.465 66.0 2042.0 2.468 65.6 2043.0 2.471 65.3 2044.0 2.474 64.9 2045.0 2.477 64.5 2046.0 2.480 64.1 2047.0 2.482 63.7 2048.0 2.485 63.3 2049.0 2.488 63.0 2050.0 2.491 62.6 2051.0 2.494 62.2 2052.0 2.496 61.8 2053.0 2.499 61.5 2054.0 2.502 61.1 2055.0 2.504 60.7 2056.0 2.507 60.3 2057.0 2.509 60.0 2058.0 2.512 59.6 2059.0 2.514 59.2 2060.0 2.517 58.9 2061.0 2.519 58.5 2062.0 2.521 58.1 2063.0 2.523 57.8 2064.0 2.525 57.4 2065.0 2.528 57.0 2066.0 2.530 56.7 2067.0 2.532 56.3 2068.0 2.534 55.9 2069.0 2.535 55.6 2070.0 2.537 55.2 2071.0 2.539 54.8 2072.0 2.541 54.5 2073.0 2.542 54.1 2074.0 2.544 53.8 2075.0 2.545 53.4 2076.0 2.546 53.0 2077.0 2.548 52.7 2078.0 2.549 52.3 2079.0 2.550 52.0 2080.0 2.551 51.6 2081.0 2.552 51.2 2082.0 2.553 50.9 2083.0 2.554 50.5 2084.0 2.554 50.2 2085.0 2.555 49.8 2086.0 2.555 49.5 2087.0 2.556 49.1 2088.0 2.556 48.7 2089.0 2.556 48.4 2090.0 2.556 48.0 2091.0 2.556 47.7 2092.0 2.556 47.3 2093.0 2.556 46.9 2094.0 2.555 46.6 2095.0 2.555 46.2 2096.0 2.554 45.9 2097.0 2.554 45.5 2098.0 2.553 45.2 2099.0 2.552 44.8 2100.0 2.551 44.4 2101.0 2.550 44.1 2102.0 2.548 43.7 2103.0 2.547 43.4 2104.0 2.545 43.0 2105.0 2.544 42.6 2106.0 2.542 42.3 2107.0 2.540 41.9 2108.0 2.538 41.6 2109.0 2.536 41.2 2110.0 2.533 40.8 2111.0 2.531 40.5 2112.0 2.528 40.1 2113.0 2.525 39.7 2114.0 2.522 39.4 2115.0 2.519 39.0 2116.0 2.516 38.6 2117.0 2.512 38.3 2118.0 2.509 37.9 2119.0 2.505 37.5 2120.0 2.501 37.1 2121.0 2.497 36.8 2122.0 2.492 36.4 2123.0 2.488 36.0 2124.0 2.483 35.6 2125.0 2.479 35.3 2126.0 2.474 34.9 2127.0 2.468 34.5 2128.0 2.463 34.1 2129.0 2.458 33.7 2130.0 2.452 33.3 2131.0 2.446 33.0 2132.0 2.440 32.6 2133.0 2.434 32.2 2134.0 2.427 31.8 2135.0 2.421 31.4 2136.0 2.414 31.0 2137.0 2.407 30.6 2138.0 2.399 30.2 2139.0 2.392 29.8 2140.0 2.384 29.4 2141.0 2.376 28.9 2142.0 2.368 28.5 2143.0 2.360 28.1 2144.0 2.352 27.7 2145.0 2.343 27.3 2146.0 2.334 26.8 2147.0 2.325 26.4 2148.0 2.316 26.0 2149.0 2.306 25.5 2150.0 2.296 25.1 2151.0 2.286 24.6 2152.0 2.276 24.2 2153.0 2.266 23.7 2154.0 2.255 23.3 2155.0 2.244 22.8 2156.0 2.233 22.4 2157.0 2.222 21.9 2158.0 2.210 21.4 2159.0 2.198 20.9 2160.0 2.187 20.4 2161.0 2.174 20.0 2162.0 2.162 19.5 2163.0 2.149 19.0 2164.0 2.136 18.4 2165.0 2.123 17.9 2166.0 2.110 17.4 2167.0 2.097 16.9 2168.0 2.083 16.3 2169.0 2.069 15.8 2170.0 2.055 15.3 2171.0 2.041 14.7 2172.0 2.026 14.1 2173.0 2.011 13.6 2174.0 1.996 13.0 2175.0 1.981 12.4 2176.0 1.966 11.8 2177.0 1.950 11.2 2178.0 1.935 10.6 2179.0 1.919 9.9 2180.0 1.903 9.3 2181.0 1.886 8.6 2182.0 1.870 8.0 2183.0 1.853 7.3 2184.0 1.837 6.6 2185.0 1.820 5.9 2186.0 1.803 5.2 2187.0 1.786 4.5 2188.0 1.768 3.7 2189.0 1.751 3.0 2190.0 1.734 2.2 2191.0 1.716 1.4 2192.0 1.698 0.6 2193.0 1.681 359.8 2194.0 1.663 359.0 2195.0 1.645 358.1 2196.0 1.627 357.2 2197.0 1.609 356.4 2198.0 1.591 355.4 2199.0 1.574 354.5 2200.0 1.556 353.6 2201.0 1.538 352.6 2202.0 1.520 351.6 2203.0 1.503 350.6 2204.0 1.485 349.5 2205.0 1.468 348.4 2206.0 1.450 347.3 2207.0 1.433 346.2 2208.0 1.416 345.1 2209.0 1.399 343.9 2210.0 1.383 342.7 2211.0 1.367 341.4 2212.0 1.351 340.2 2213.0 1.335 338.9 2214.0 1.320 337.6 2215.0 1.305 336.2 2216.0 1.290 334.8 2217.0 1.276 333.4 2218.0 1.262 331.9 2219.0 1.249 330.5 2220.0 1.236 328.9 2221.0 1.224 327.4 2222.0 1.212 325.8 2223.0 1.201 324.2 2224.0 1.191 322.6 2225.0 1.181 320.9 2226.0 1.172 319.2 2227.0 1.164 317.5 2228.0 1.156 315.8 2229.0 1.149 314.0 2230.0 1.143 312.2 2231.0 1.138 310.4 2232.0 1.133 308.6 2233.0 1.130 306.8 2234.0 1.127 305.0 2235.0 1.125 303.1 2236.0 1.124 301.3 2237.0 1.123 299.4 2238.0 1.124 297.6 2239.0 1.126 295.7 2240.0 1.128 293.9 2241.0 1.131 292.1 2242.0 1.135 290.2 2243.0 1.140 288.4 2244.0 1.146 286.6 2245.0 1.152 284.9 2246.0 1.160 283.1 2247.0 1.168 281.4 2248.0 1.177 279.7 2249.0 1.186 278.0 2250.0 1.196 276.4 2251.0 1.207 274.8 2252.0 1.219 273.2 2253.0 1.231 271.6 2254.0 1.244 270.1 2255.0 1.257 268.6 2256.0 1.271 267.1 2257.0 1.285 265.7 2258.0 1.300 264.3 2259.0 1.315 262.9 2260.0 1.331 261.6 2261.0 1.347 260.3 2262.0 1.363 259.0 2263.0 1.380 257.8 2264.0 1.397 256.6 2265.0 1.415 255.4 2266.0 1.432 254.2 2267.0 1.450 253.1 2268.0 1.469 252.0 2269.0 1.487 251.0 2270.0 1.505 249.9 2271.0 1.524 248.9 2272.0 1.543 247.9 2273.0 1.562 246.9 2274.0 1.581 246.0 2275.0 1.600 245.1 2276.0 1.620 244.2 2277.0 1.639 243.3 2278.0 1.659 242.4 2279.0 1.678 241.6 2280.0 1.698 240.8 2281.0 1.717 240.0 2282.0 1.737 239.2 2283.0 1.756 238.4 2284.0 1.776 237.7 2285.0 1.795 236.9 2286.0 1.815 236.2 2287.0 1.834 235.5 2288.0 1.853 234.8 2289.0 1.873 234.1 2290.0 1.892 233.5 2291.0 1.911 232.8 2292.0 1.930 232.2 2293.0 1.949 231.6 2294.0 1.968 231.0 2295.0 1.987 230.4 2296.0 2.005 229.8 2297.0 2.024 229.2 2298.0 2.042 228.7 2299.0 2.061 228.1 2300.0 2.079 227.6 2301.0 2.097 227.0 2302.0 2.115 226.5 2303.0 2.133 226.0 2304.0 2.151 225.5 2305.0 2.168 225.0 2306.0 2.185 224.5 2307.0 2.203 224.0 2308.0 2.220 223.5 2309.0 2.237 223.0 2310.0 2.254 222.6 2311.0 2.270 222.1 2312.0 2.287 221.7 2313.0 2.303 221.2 2314.0 2.319 220.8 2315.0 2.335 220.4 2316.0 2.351 219.9 2317.0 2.367 219.5 2318.0 2.382 219.1 2319.0 2.397 218.7 2320.0 2.413 218.3 2321.0 2.428 217.9 2322.0 2.442 217.5 2323.0 2.457 217.1 2324.0 2.472 216.7 2325.0 2.486 216.3 2326.0 2.500 216.0 2327.0 2.514 215.6 2328.0 2.528 215.2 2329.0 2.541 214.9 2330.0 2.555 214.5 2331.0 2.568 214.1 2332.0 2.581 213.8 2333.0 2.594 213.4 2334.0 2.607 213.1 2335.0 2.620 212.7 2336.0 2.632 212.4 2337.0 2.644 212.1 2338.0 2.656 211.7 2339.0 2.668 211.4 2340.0 2.680 211.1 2341.0 2.691 210.8 2342.0 2.703 210.4 2343.0 2.714 210.1 2344.0 2.725 209.8 2345.0 2.736 209.5 2346.0 2.747 209.2 2347.0 2.757 208.9 2348.0 2.768 208.6 2349.0 2.778 208.3 2350.0 2.788 208.0 2351.0 2.798 207.7 2352.0 2.808 207.4 2353.0 2.817 207.1 2354.0 2.827 206.8 2355.0 2.836 206.5 2356.0 2.845 206.2 2357.0 2.854 205.9 2358.0 2.863 205.6 2359.0 2.871 205.3 2360.0 2.880 205.1 2361.0 2.888 204.8 2362.0 2.896 204.5 2363.0 2.904 204.2 2364.0 2.912 203.9 2365.0 2.920 203.7 2366.0 2.927 203.4 2367.0 2.935 203.1 2368.0 2.942 202.8 2369.0 2.949 202.6 2370.0 2.956 202.3 2371.0 2.963 202.0 2372.0 2.969 201.8 2373.0 2.976 201.5 2374.0 2.982 201.3 2375.0 2.988 201.0 2376.0 2.994 200.7 2377.0 3.000 200.5 2378.0 3.006 200.2 2379.0 3.012 200.0 2380.0 3.017 199.7 2381.0 3.023 199.4 2382.0 3.028 199.2 2383.0 3.033 198.9 2384.0 3.038 198.7 2385.0 3.043 198.4 2386.0 3.048 198.2