| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:58:50 |
| WDS: | STT363 | WDS ID/Discoverer |
| P: | 641.900 | Orbital period (years) |
| a: | 0.95 | Semi-major axis (arcseconds) |
| i: | 78.3 | Inclination (degrees) |
| Ω: | 159.7 | Longitude of ascending node (degrees) |
| T: | 1987.038 | Epoch of periastron passage (year) |
| e: | 0.89 | Eccentricity |
| ω: | 55.9 | Longitude of periastron (degrees) |
| Start-Year: | 1705.0 | Year |
| End-Year: | 2345.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 183723.92+774112.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18374+7741 | WDS designation |
| Discoverer Code: | STT363 | Discover designation and components |
| ADS number: | 11584 | Aitken Double Star catalog |
| HD number: | 173831 | HD catalog number |
| Hipparcos number: | 91298 | Hipparcos catalog number |
| V1: | 7.52 | Magnitude of the primary |
| V2: | 8.10 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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 0.618 343.3 ------------------------- 1705.0 0.974 358.1 1706.0 0.972 358.2 1707.0 0.969 358.2 1708.0 0.967 358.3 1709.0 0.965 358.3 1710.0 0.962 358.4 1711.0 0.960 358.4 1712.0 0.958 358.5 1713.0 0.955 358.5 1714.0 0.953 358.6 1715.0 0.951 358.7 1716.0 0.948 358.7 1717.0 0.946 358.8 1718.0 0.943 358.8 1719.0 0.941 358.9 1720.0 0.939 358.9 1721.0 0.936 359.0 1722.0 0.934 359.0 1723.0 0.931 359.1 1724.0 0.929 359.1 1725.0 0.926 359.2 1726.0 0.924 359.2 1727.0 0.921 359.3 1728.0 0.919 359.3 1729.0 0.916 359.4 1730.0 0.913 359.5 1731.0 0.911 359.5 1732.0 0.908 359.6 1733.0 0.906 359.6 1734.0 0.903 359.7 1735.0 0.900 359.7 1736.0 0.898 359.8 1737.0 0.895 359.9 1738.0 0.892 359.9 1739.0 0.890 360.0 1740.0 0.887 0.0 1741.0 0.884 0.1 1742.0 0.882 0.2 1743.0 0.879 0.2 1744.0 0.876 0.3 1745.0 0.873 0.3 1746.0 0.870 0.4 1747.0 0.868 0.5 1748.0 0.865 0.5 1749.0 0.862 0.6 1750.0 0.859 0.7 1751.0 0.856 0.7 1752.0 0.854 0.8 1753.0 0.851 0.8 1754.0 0.848 0.9 1755.0 0.845 1.0 1756.0 0.842 1.0 1757.0 0.839 1.1 1758.0 0.836 1.2 1759.0 0.833 1.2 1760.0 0.830 1.3 1761.0 0.827 1.4 1762.0 0.824 1.4 1763.0 0.821 1.5 1764.0 0.818 1.6 1765.0 0.815 1.7 1766.0 0.812 1.7 1767.0 0.809 1.8 1768.0 0.806 1.9 1769.0 0.803 1.9 1770.0 0.800 2.0 1771.0 0.797 2.1 1772.0 0.794 2.2 1773.0 0.790 2.2 1774.0 0.787 2.3 1775.0 0.784 2.4 1776.0 0.781 2.5 1777.0 0.778 2.5 1778.0 0.775 2.6 1779.0 0.771 2.7 1780.0 0.768 2.8 1781.0 0.765 2.9 1782.0 0.762 2.9 1783.0 0.758 3.0 1784.0 0.755 3.1 1785.0 0.752 3.2 1786.0 0.749 3.3 1787.0 0.745 3.3 1788.0 0.742 3.4 1789.0 0.739 3.5 1790.0 0.735 3.6 1791.0 0.732 3.7 1792.0 0.729 3.8 1793.0 0.725 3.9 1794.0 0.722 4.0 1795.0 0.718 4.0 1796.0 0.715 4.1 1797.0 0.712 4.2 1798.0 0.708 4.3 1799.0 0.705 4.4 1800.0 0.701 4.5 1801.0 0.698 4.6 1802.0 0.694 4.7 1803.0 0.691 4.8 1804.0 0.687 4.9 1805.0 0.684 5.0 1806.0 0.680 5.1 1807.0 0.677 5.2 1808.0 0.673 5.3 1809.0 0.669 5.4 1810.0 0.666 5.5 1811.0 0.662 5.6 1812.0 0.659 5.7 1813.0 0.655 5.8 1814.0 0.651 5.9 1815.0 0.648 6.1 1816.0 0.644 6.2 1817.0 0.640 6.3 1818.0 0.637 6.4 1819.0 0.633 6.5 1820.0 0.629 6.6 1821.0 0.625 6.7 1822.0 0.622 6.9 1823.0 0.618 7.0 1824.0 0.614 7.1 1825.0 0.610 7.2 1826.0 0.607 7.4 1827.0 0.603 7.5 1828.0 0.599 7.6 1829.0 0.595 7.8 1830.0 0.591 7.9 1831.0 0.587 8.0 1832.0 0.584 8.2 1833.0 0.580 8.3 1834.0 0.576 8.4 1835.0 0.572 8.6 1836.0 0.568 8.7 1837.0 0.564 8.9 1838.0 0.560 9.0 1839.0 0.556 9.2 1840.0 0.552 9.3 1841.0 0.548 9.5 1842.0 0.544 9.6 1843.0 0.540 9.8 1844.0 0.536 10.0 1845.0 0.532 10.1 1846.0 0.528 10.3 1847.0 0.524 10.5 1848.0 0.520 10.6 1849.0 0.516 10.8 1850.0 0.512 11.0 1851.0 0.508 11.2 1852.0 0.504 11.3 1853.0 0.500 11.5 1854.0 0.496 11.7 1855.0 0.491 11.9 1856.0 0.487 12.1 1857.0 0.483 12.3 1858.0 0.479 12.5 1859.0 0.475 12.7 1860.0 0.471 12.9 1861.0 0.466 13.1 1862.0 0.462 13.3 1863.0 0.458 13.6 1864.0 0.454 13.8 1865.0 0.450 14.0 1866.0 0.445 14.3 1867.0 0.441 14.5 1868.0 0.437 14.7 1869.0 0.433 15.0 1870.0 0.428 15.2 1871.0 0.424 15.5 1872.0 0.420 15.8 1873.0 0.415 16.0 1874.0 0.411 16.3 1875.0 0.407 16.6 1876.0 0.402 16.9 1877.0 0.398 17.2 1878.0 0.394 17.5 1879.0 0.389 17.8 1880.0 0.385 18.1 1881.0 0.381 18.4 1882.0 0.376 18.7 1883.0 0.372 19.1 1884.0 0.368 19.4 1885.0 0.363 19.7 1886.0 0.359 20.1 1887.0 0.355 20.5 1888.0 0.350 20.9 1889.0 0.346 21.2 1890.0 0.341 21.6 1891.0 0.337 22.0 1892.0 0.333 22.5 1893.0 0.328 22.9 1894.0 0.324 23.3 1895.0 0.319 23.8 1896.0 0.315 24.2 1897.0 0.311 24.7 1898.0 0.306 25.2 1899.0 0.302 25.7 1900.0 0.298 26.2 1901.0 0.293 26.8 1902.0 0.289 27.3 1903.0 0.284 27.9 1904.0 0.280 28.5 1905.0 0.276 29.1 1906.0 0.271 29.7 1907.0 0.267 30.4 1908.0 0.263 31.0 1909.0 0.259 31.7 1910.0 0.254 32.4 1911.0 0.250 33.2 1912.0 0.246 33.9 1913.0 0.242 34.7 1914.0 0.238 35.5 1915.0 0.233 36.4 1916.0 0.229 37.2 1917.0 0.225 38.2 1918.0 0.221 39.1 1919.0 0.217 40.1 1920.0 0.213 41.1 1921.0 0.209 42.1 1922.0 0.206 43.2 1923.0 0.202 44.3 1924.0 0.198 45.5 1925.0 0.194 46.7 1926.0 0.191 48.0 1927.0 0.187 49.3 1928.0 0.184 50.7 1929.0 0.180 52.1 1930.0 0.177 53.5 1931.0 0.174 55.1 1932.0 0.171 56.6 1933.0 0.168 58.3 1934.0 0.165 59.9 1935.0 0.162 61.7 1936.0 0.160 63.5 1937.0 0.157 65.4 1938.0 0.155 67.3 1939.0 0.153 69.3 1940.0 0.151 71.3 1941.0 0.149 73.4 1942.0 0.147 75.5 1943.0 0.146 77.7 1944.0 0.144 79.9 1945.0 0.143 82.2 1946.0 0.142 84.5 1947.0 0.142 86.8 1948.0 0.141 89.2 1949.0 0.141 91.5 1950.0 0.140 93.9 1951.0 0.140 96.3 1952.0 0.141 98.6 1953.0 0.141 101.0 1954.0 0.142 103.3 1955.0 0.143 105.7 1956.0 0.143 107.9 1957.0 0.145 110.2 1958.0 0.146 112.4 1959.0 0.147 114.6 1960.0 0.149 116.7 1961.0 0.150 118.8 1962.0 0.152 120.9 1963.0 0.154 122.9 1964.0 0.156 124.8 1965.0 0.158 126.7 1966.0 0.160 128.6 1967.0 0.162 130.4 1968.0 0.163 132.2 1969.0 0.165 133.9 1970.0 0.167 135.6 1971.0 0.169 137.3 1972.0 0.170 138.9 1973.0 0.171 140.5 1974.0 0.172 142.1 1975.0 0.173 143.7 1976.0 0.173 145.2 1977.0 0.172 146.8 1978.0 0.171 148.4 1979.0 0.169 150.0 1980.0 0.166 151.7 1981.0 0.161 153.4 1982.0 0.154 155.3 1983.0 0.144 157.4 1984.0 0.131 159.9 1985.0 0.113 163.0 1986.0 0.090 167.6 1987.0 0.062 175.9 1988.0 0.034 198.5 1989.0 0.025 270.6 1990.0 0.050 310.3 1991.0 0.081 321.8 1992.0 0.111 327.0 1993.0 0.140 330.0 1994.0 0.166 332.0 1995.0 0.192 333.4 1996.0 0.215 334.6 1997.0 0.238 335.5 1998.0 0.259 336.2 1999.0 0.279 336.9 2000.0 0.298 337.5 2001.0 0.317 337.9 2002.0 0.334 338.4 2003.0 0.351 338.8 2004.0 0.368 339.1 2005.0 0.383 339.5 2006.0 0.398 339.8 2007.0 0.413 340.1 2008.0 0.427 340.3 2009.0 0.441 340.6 2010.0 0.454 340.8 2011.0 0.467 341.0 2012.0 0.480 341.2 2013.0 0.492 341.4 2014.0 0.504 341.6 2015.0 0.516 341.8 2016.0 0.527 342.0 2017.0 0.538 342.2 2018.0 0.549 342.3 2019.0 0.559 342.5 2020.0 0.569 342.6 2021.0 0.579 342.8 2022.0 0.589 342.9 2023.0 0.599 343.0 2024.0 0.608 343.1 2025.0 0.618 343.3 2026.0 0.627 343.4 2027.0 0.635 343.5 2028.0 0.644 343.6 2029.0 0.653 343.7 2030.0 0.661 343.8 2031.0 0.669 344.0 2032.0 0.677 344.1 2033.0 0.685 344.2 2034.0 0.693 344.3 2035.0 0.701 344.4 2036.0 0.708 344.4 2037.0 0.715 344.5 2038.0 0.723 344.6 2039.0 0.730 344.7 2040.0 0.737 344.8 2041.0 0.744 344.9 2042.0 0.750 345.0 2043.0 0.757 345.1 2044.0 0.764 345.1 2045.0 0.770 345.2 2046.0 0.776 345.3 2047.0 0.783 345.4 2048.0 0.789 345.4 2049.0 0.795 345.5 2050.0 0.801 345.6 2051.0 0.807 345.7 2052.0 0.812 345.7 2053.0 0.818 345.8 2054.0 0.824 345.9 2055.0 0.829 345.9 2056.0 0.835 346.0 2057.0 0.840 346.1 2058.0 0.845 346.1 2059.0 0.851 346.2 2060.0 0.856 346.3 2061.0 0.861 346.3 2062.0 0.866 346.4 2063.0 0.871 346.5 2064.0 0.875 346.5 2065.0 0.880 346.6 2066.0 0.885 346.6 2067.0 0.890 346.7 2068.0 0.894 346.8 2069.0 0.899 346.8 2070.0 0.903 346.9 2071.0 0.907 346.9 2072.0 0.912 347.0 2073.0 0.916 347.1 2074.0 0.920 347.1 2075.0 0.924 347.2 2076.0 0.928 347.2 2077.0 0.933 347.3 2078.0 0.937 347.3 2079.0 0.940 347.4 2080.0 0.944 347.4 2081.0 0.948 347.5 2082.0 0.952 347.5 2083.0 0.956 347.6 2084.0 0.959 347.6 2085.0 0.963 347.7 2086.0 0.966 347.7 2087.0 0.970 347.8 2088.0 0.973 347.8 2089.0 0.977 347.9 2090.0 0.980 347.9 2091.0 0.983 348.0 2092.0 0.987 348.0 2093.0 0.990 348.1 2094.0 0.993 348.1 2095.0 0.996 348.2 2096.0 0.999 348.2 2097.0 1.002 348.3 2098.0 1.005 348.3 2099.0 1.008 348.4 2100.0 1.011 348.4 2101.0 1.014 348.5 2102.0 1.017 348.5 2103.0 1.020 348.5 2104.0 1.022 348.6 2105.0 1.025 348.6 2106.0 1.028 348.7 2107.0 1.030 348.7 2108.0 1.033 348.8 2109.0 1.036 348.8 2110.0 1.038 348.9 2111.0 1.041 348.9 2112.0 1.043 348.9 2113.0 1.045 349.0 2114.0 1.048 349.0 2115.0 1.050 349.1 2116.0 1.052 349.1 2117.0 1.055 349.2 2118.0 1.057 349.2 2119.0 1.059 349.2 2120.0 1.061 349.3 2121.0 1.063 349.3 2122.0 1.066 349.4 2123.0 1.068 349.4 2124.0 1.070 349.4 2125.0 1.072 349.5 2126.0 1.074 349.5 2127.0 1.076 349.6 2128.0 1.077 349.6 2129.0 1.079 349.6 2130.0 1.081 349.7 2131.0 1.083 349.7 2132.0 1.085 349.8 2133.0 1.086 349.8 2134.0 1.088 349.8 2135.0 1.090 349.9 2136.0 1.091 349.9 2137.0 1.093 350.0 2138.0 1.095 350.0 2139.0 1.096 350.0 2140.0 1.098 350.1 2141.0 1.099 350.1 2142.0 1.101 350.2 2143.0 1.102 350.2 2144.0 1.104 350.2 2145.0 1.105 350.3 2146.0 1.106 350.3 2147.0 1.108 350.3 2148.0 1.109 350.4 2149.0 1.110 350.4 2150.0 1.112 350.5 2151.0 1.113 350.5 2152.0 1.114 350.5 2153.0 1.115 350.6 2154.0 1.116 350.6 2155.0 1.117 350.7 2156.0 1.119 350.7 2157.0 1.120 350.7 2158.0 1.121 350.8 2159.0 1.122 350.8 2160.0 1.123 350.8 2161.0 1.124 350.9 2162.0 1.125 350.9 2163.0 1.126 350.9 2164.0 1.126 351.0 2165.0 1.127 351.0 2166.0 1.128 351.1 2167.0 1.129 351.1 2168.0 1.130 351.1 2169.0 1.131 351.2 2170.0 1.131 351.2 2171.0 1.132 351.2 2172.0 1.133 351.3 2173.0 1.133 351.3 2174.0 1.134 351.4 2175.0 1.135 351.4 2176.0 1.135 351.4 2177.0 1.136 351.5 2178.0 1.136 351.5 2179.0 1.137 351.5 2180.0 1.138 351.6 2181.0 1.138 351.6 2182.0 1.139 351.6 2183.0 1.139 351.7 2184.0 1.139 351.7 2185.0 1.140 351.7 2186.0 1.140 351.8 2187.0 1.141 351.8 2188.0 1.141 351.9 2189.0 1.141 351.9 2190.0 1.142 351.9 2191.0 1.142 352.0 2192.0 1.142 352.0 2193.0 1.142 352.0 2194.0 1.143 352.1 2195.0 1.143 352.1 2196.0 1.143 352.1 2197.0 1.143 352.2 2198.0 1.143 352.2 2199.0 1.143 352.3 2200.0 1.144 352.3 2201.0 1.144 352.3 2202.0 1.144 352.4 2203.0 1.144 352.4 2204.0 1.144 352.4 2205.0 1.144 352.5 2206.0 1.144 352.5 2207.0 1.144 352.5 2208.0 1.144 352.6 2209.0 1.144 352.6 2210.0 1.143 352.6 2211.0 1.143 352.7 2212.0 1.143 352.7 2213.0 1.143 352.8 2214.0 1.143 352.8 2215.0 1.143 352.8 2216.0 1.142 352.9 2217.0 1.142 352.9 2218.0 1.142 352.9 2219.0 1.142 353.0 2220.0 1.141 353.0 2221.0 1.141 353.0 2222.0 1.141 353.1 2223.0 1.140 353.1 2224.0 1.140 353.1 2225.0 1.140 353.2 2226.0 1.139 353.2 2227.0 1.139 353.3 2228.0 1.138 353.3 2229.0 1.138 353.3 2230.0 1.138 353.4 2231.0 1.137 353.4 2232.0 1.137 353.4 2233.0 1.136 353.5 2234.0 1.136 353.5 2235.0 1.135 353.5 2236.0 1.134 353.6 2237.0 1.134 353.6 2238.0 1.133 353.7 2239.0 1.133 353.7 2240.0 1.132 353.7 2241.0 1.131 353.8 2242.0 1.131 353.8 2243.0 1.130 353.8 2244.0 1.129 353.9 2245.0 1.128 353.9 2246.0 1.128 353.9 2247.0 1.127 354.0 2248.0 1.126 354.0 2249.0 1.125 354.1 2250.0 1.125 354.1 2251.0 1.124 354.1 2252.0 1.123 354.2 2253.0 1.122 354.2 2254.0 1.121 354.2 2255.0 1.120 354.3 2256.0 1.119 354.3 2257.0 1.118 354.4 2258.0 1.118 354.4 2259.0 1.117 354.4 2260.0 1.116 354.5 2261.0 1.115 354.5 2262.0 1.114 354.5 2263.0 1.113 354.6 2264.0 1.112 354.6 2265.0 1.111 354.7 2266.0 1.109 354.7 2267.0 1.108 354.7 2268.0 1.107 354.8 2269.0 1.106 354.8 2270.0 1.105 354.8 2271.0 1.104 354.9 2272.0 1.103 354.9 2273.0 1.102 355.0 2274.0 1.100 355.0 2275.0 1.099 355.0 2276.0 1.098 355.1 2277.0 1.097 355.1 2278.0 1.095 355.2 2279.0 1.094 355.2 2280.0 1.093 355.2 2281.0 1.092 355.3 2282.0 1.090 355.3 2283.0 1.089 355.4 2284.0 1.088 355.4 2285.0 1.086 355.4 2286.0 1.085 355.5 2287.0 1.083 355.5 2288.0 1.082 355.6 2289.0 1.081 355.6 2290.0 1.079 355.6 2291.0 1.078 355.7 2292.0 1.076 355.7 2293.0 1.075 355.8 2294.0 1.073 355.8 2295.0 1.072 355.8 2296.0 1.070 355.9 2297.0 1.069 355.9 2298.0 1.067 356.0 2299.0 1.066 356.0 2300.0 1.064 356.0 2301.0 1.062 356.1 2302.0 1.061 356.1 2303.0 1.059 356.2 2304.0 1.058 356.2 2305.0 1.056 356.2 2306.0 1.054 356.3 2307.0 1.052 356.3 2308.0 1.051 356.4 2309.0 1.049 356.4 2310.0 1.047 356.5 2311.0 1.046 356.5 2312.0 1.044 356.5 2313.0 1.042 356.6 2314.0 1.040 356.6 2315.0 1.038 356.7 2316.0 1.037 356.7 2317.0 1.035 356.8 2318.0 1.033 356.8 2319.0 1.031 356.8 2320.0 1.029 356.9 2321.0 1.027 356.9 2322.0 1.026 357.0 2323.0 1.024 357.0 2324.0 1.022 357.1 2325.0 1.020 357.1 2326.0 1.018 357.2 2327.0 1.016 357.2 2328.0 1.014 357.3 2329.0 1.012 357.3 2330.0 1.010 357.3 2331.0 1.008 357.4 2332.0 1.006 357.4 2333.0 1.004 357.5 2334.0 1.002 357.5 2335.0 1.000 357.6 2336.0 0.997 357.6 2337.0 0.995 357.7 2338.0 0.993 357.7 2339.0 0.991 357.8 2340.0 0.989 357.8 2341.0 0.987 357.9 2342.0 0.985 357.9 2343.0 0.982 358.0 2344.0 0.980 358.0