| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:17:13 |
| WDS: | STT418 | WDS ID/Discoverer |
| P: | 709.151 | Orbital period (years) |
| a: | 1.6542 | Semi-major axis (arcseconds) |
| i: | 93.603 | Inclination (degrees) |
| Ω: | 111.511 | Longitude of ascending node (degrees) |
| T: | 1830.465 | Epoch of periastron passage (year) |
| e: | 0.67646 | Eccentricity |
| ω: | 91.16 | Longitude of periastron (degrees) |
| Start-Year: | 1671.0 | Year |
| End-Year: | 2379.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 205449.84+324223.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20548+3242 | WDS designation |
| Discoverer Code: | STT418 | Discover designation and components |
| ADS number: | 14421 | Aitken Double Star catalog |
| HD number: | 199220 | HD catalog number |
| Hipparcos number: | 103232 | Hipparcos catalog number |
| V1: | 8.23 | Magnitude of the primary |
| V2: | 8.27 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 0.914 282.9 ------------------------- 1671.0 1.139 117.3 1672.0 1.143 117.2 1673.0 1.146 117.2 1674.0 1.149 117.1 1675.0 1.152 117.1 1676.0 1.155 117.0 1677.0 1.159 117.0 1678.0 1.162 116.9 1679.0 1.165 116.9 1680.0 1.168 116.8 1681.0 1.171 116.8 1682.0 1.173 116.7 1683.0 1.176 116.7 1684.0 1.179 116.6 1685.0 1.182 116.6 1686.0 1.185 116.6 1687.0 1.187 116.5 1688.0 1.190 116.5 1689.0 1.192 116.4 1690.0 1.195 116.4 1691.0 1.197 116.3 1692.0 1.200 116.3 1693.0 1.202 116.2 1694.0 1.204 116.2 1695.0 1.207 116.1 1696.0 1.209 116.1 1697.0 1.211 116.1 1698.0 1.213 116.0 1699.0 1.215 116.0 1700.0 1.217 115.9 1701.0 1.219 115.9 1702.0 1.221 115.8 1703.0 1.222 115.8 1704.0 1.224 115.8 1705.0 1.226 115.7 1706.0 1.227 115.7 1707.0 1.229 115.6 1708.0 1.230 115.6 1709.0 1.232 115.5 1710.0 1.233 115.5 1711.0 1.234 115.5 1712.0 1.235 115.4 1713.0 1.236 115.4 1714.0 1.237 115.3 1715.0 1.238 115.3 1716.0 1.239 115.2 1717.0 1.240 115.2 1718.0 1.241 115.2 1719.0 1.241 115.1 1720.0 1.242 115.1 1721.0 1.242 115.0 1722.0 1.243 115.0 1723.0 1.243 115.0 1724.0 1.243 114.9 1725.0 1.243 114.9 1726.0 1.243 114.8 1727.0 1.243 114.8 1728.0 1.243 114.7 1729.0 1.243 114.7 1730.0 1.242 114.7 1731.0 1.242 114.6 1732.0 1.241 114.6 1733.0 1.241 114.5 1734.0 1.240 114.5 1735.0 1.239 114.5 1736.0 1.238 114.4 1737.0 1.237 114.4 1738.0 1.236 114.3 1739.0 1.235 114.3 1740.0 1.233 114.2 1741.0 1.232 114.2 1742.0 1.230 114.2 1743.0 1.228 114.1 1744.0 1.226 114.1 1745.0 1.224 114.0 1746.0 1.222 114.0 1747.0 1.220 113.9 1748.0 1.218 113.9 1749.0 1.215 113.9 1750.0 1.212 113.8 1751.0 1.209 113.8 1752.0 1.207 113.7 1753.0 1.203 113.7 1754.0 1.200 113.6 1755.0 1.197 113.6 1756.0 1.193 113.5 1757.0 1.189 113.5 1758.0 1.185 113.5 1759.0 1.181 113.4 1760.0 1.177 113.4 1761.0 1.172 113.3 1762.0 1.168 113.3 1763.0 1.163 113.2 1764.0 1.158 113.2 1765.0 1.153 113.1 1766.0 1.147 113.1 1767.0 1.142 113.0 1768.0 1.136 113.0 1769.0 1.130 112.9 1770.0 1.123 112.9 1771.0 1.117 112.8 1772.0 1.110 112.8 1773.0 1.103 112.7 1774.0 1.096 112.7 1775.0 1.088 112.6 1776.0 1.081 112.6 1777.0 1.073 112.5 1778.0 1.064 112.5 1779.0 1.056 112.4 1780.0 1.047 112.3 1781.0 1.038 112.3 1782.0 1.028 112.2 1783.0 1.018 112.2 1784.0 1.008 112.1 1785.0 0.998 112.0 1786.0 0.987 112.0 1787.0 0.976 111.9 1788.0 0.964 111.8 1789.0 0.952 111.8 1790.0 0.940 111.7 1791.0 0.927 111.6 1792.0 0.914 111.5 1793.0 0.901 111.5 1794.0 0.887 111.4 1795.0 0.872 111.3 1796.0 0.857 111.2 1797.0 0.842 111.1 1798.0 0.826 111.0 1799.0 0.810 110.9 1800.0 0.793 110.8 1801.0 0.776 110.7 1802.0 0.758 110.6 1803.0 0.739 110.5 1804.0 0.720 110.4 1805.0 0.700 110.3 1806.0 0.680 110.1 1807.0 0.659 110.0 1808.0 0.638 109.8 1809.0 0.615 109.7 1810.0 0.593 109.5 1811.0 0.569 109.3 1812.0 0.545 109.1 1813.0 0.520 108.9 1814.0 0.494 108.6 1815.0 0.468 108.3 1816.0 0.441 108.0 1817.0 0.414 107.7 1818.0 0.386 107.3 1819.0 0.357 106.8 1820.0 0.327 106.2 1821.0 0.297 105.6 1822.0 0.267 104.8 1823.0 0.236 103.8 1824.0 0.205 102.4 1825.0 0.173 100.6 1826.0 0.141 98.0 1827.0 0.110 93.8 1828.0 0.079 86.3 1829.0 0.051 70.0 1830.0 0.034 29.4 1831.0 0.044 341.0 1832.0 0.070 319.9 1833.0 0.101 310.8 1834.0 0.132 306.0 1835.0 0.164 303.0 1836.0 0.196 301.0 1837.0 0.227 299.5 1838.0 0.258 298.4 1839.0 0.289 297.6 1840.0 0.319 296.9 1841.0 0.348 296.3 1842.0 0.377 295.8 1843.0 0.405 295.4 1844.0 0.433 295.0 1845.0 0.460 294.7 1846.0 0.486 294.4 1847.0 0.512 294.2 1848.0 0.537 293.9 1849.0 0.561 293.7 1850.0 0.584 293.5 1851.0 0.607 293.3 1852.0 0.629 293.2 1853.0 0.651 293.0 1854.0 0.671 292.9 1855.0 0.691 292.7 1856.0 0.711 292.6 1857.0 0.730 292.5 1858.0 0.748 292.4 1859.0 0.766 292.2 1860.0 0.783 292.1 1861.0 0.799 292.0 1862.0 0.816 291.9 1863.0 0.831 291.8 1864.0 0.846 291.7 1865.0 0.861 291.7 1866.0 0.875 291.6 1867.0 0.888 291.5 1868.0 0.901 291.4 1869.0 0.914 291.3 1870.0 0.926 291.3 1871.0 0.938 291.2 1872.0 0.950 291.1 1873.0 0.961 291.0 1874.0 0.971 291.0 1875.0 0.982 290.9 1876.0 0.992 290.8 1877.0 1.001 290.8 1878.0 1.011 290.7 1879.0 1.020 290.6 1880.0 1.028 290.6 1881.0 1.037 290.5 1882.0 1.045 290.5 1883.0 1.053 290.4 1884.0 1.060 290.4 1885.0 1.067 290.3 1886.0 1.074 290.2 1887.0 1.081 290.2 1888.0 1.088 290.1 1889.0 1.094 290.1 1890.0 1.100 290.0 1891.0 1.106 290.0 1892.0 1.111 289.9 1893.0 1.116 289.9 1894.0 1.122 289.8 1895.0 1.126 289.8 1896.0 1.131 289.7 1897.0 1.136 289.7 1898.0 1.140 289.6 1899.0 1.144 289.6 1900.0 1.148 289.5 1901.0 1.152 289.5 1902.0 1.155 289.4 1903.0 1.159 289.4 1904.0 1.162 289.3 1905.0 1.165 289.3 1906.0 1.168 289.2 1907.0 1.171 289.2 1908.0 1.173 289.1 1909.0 1.176 289.1 1910.0 1.178 289.0 1911.0 1.180 289.0 1912.0 1.182 288.9 1913.0 1.184 288.9 1914.0 1.186 288.9 1915.0 1.188 288.8 1916.0 1.189 288.8 1917.0 1.190 288.7 1918.0 1.192 288.7 1919.0 1.193 288.6 1920.0 1.194 288.6 1921.0 1.195 288.5 1922.0 1.195 288.5 1923.0 1.196 288.4 1924.0 1.197 288.4 1925.0 1.197 288.4 1926.0 1.197 288.3 1927.0 1.198 288.3 1928.0 1.198 288.2 1929.0 1.198 288.2 1930.0 1.198 288.1 1931.0 1.198 288.1 1932.0 1.197 288.0 1933.0 1.197 288.0 1934.0 1.197 288.0 1935.0 1.196 287.9 1936.0 1.195 287.9 1937.0 1.195 287.8 1938.0 1.194 287.8 1939.0 1.193 287.7 1940.0 1.192 287.7 1941.0 1.191 287.6 1942.0 1.190 287.6 1943.0 1.189 287.5 1944.0 1.188 287.5 1945.0 1.186 287.5 1946.0 1.185 287.4 1947.0 1.183 287.4 1948.0 1.182 287.3 1949.0 1.180 287.3 1950.0 1.179 287.2 1951.0 1.177 287.2 1952.0 1.175 287.1 1953.0 1.173 287.1 1954.0 1.171 287.0 1955.0 1.169 287.0 1956.0 1.167 286.9 1957.0 1.165 286.9 1958.0 1.163 286.9 1959.0 1.160 286.8 1960.0 1.158 286.8 1961.0 1.156 286.7 1962.0 1.153 286.7 1963.0 1.151 286.6 1964.0 1.148 286.6 1965.0 1.146 286.5 1966.0 1.143 286.5 1967.0 1.140 286.4 1968.0 1.138 286.4 1969.0 1.135 286.3 1970.0 1.132 286.3 1971.0 1.129 286.2 1972.0 1.126 286.2 1973.0 1.123 286.1 1974.0 1.120 286.1 1975.0 1.117 286.0 1976.0 1.114 286.0 1977.0 1.111 285.9 1978.0 1.107 285.9 1979.0 1.104 285.8 1980.0 1.101 285.8 1981.0 1.097 285.7 1982.0 1.094 285.6 1983.0 1.091 285.6 1984.0 1.087 285.5 1985.0 1.083 285.5 1986.0 1.080 285.4 1987.0 1.076 285.4 1988.0 1.073 285.3 1989.0 1.069 285.3 1990.0 1.065 285.2 1991.0 1.061 285.1 1992.0 1.058 285.1 1993.0 1.054 285.0 1994.0 1.050 285.0 1995.0 1.046 284.9 1996.0 1.042 284.9 1997.0 1.038 284.8 1998.0 1.034 284.7 1999.0 1.030 284.7 2000.0 1.026 284.6 2001.0 1.022 284.6 2002.0 1.018 284.5 2003.0 1.014 284.4 2004.0 1.009 284.4 2005.0 1.005 284.3 2006.0 1.001 284.2 2007.0 0.996 284.2 2008.0 0.992 284.1 2009.0 0.988 284.0 2010.0 0.983 284.0 2011.0 0.979 283.9 2012.0 0.975 283.8 2013.0 0.970 283.8 2014.0 0.966 283.7 2015.0 0.961 283.6 2016.0 0.956 283.6 2017.0 0.952 283.5 2018.0 0.947 283.4 2019.0 0.943 283.4 2020.0 0.938 283.3 2021.0 0.933 283.2 2022.0 0.929 283.1 2023.0 0.924 283.1 2024.0 0.919 283.0 2025.0 0.914 282.9 2026.0 0.910 282.8 2027.0 0.905 282.8 2028.0 0.900 282.7 2029.0 0.895 282.6 2030.0 0.890 282.5 2031.0 0.885 282.4 2032.0 0.880 282.3 2033.0 0.875 282.3 2034.0 0.870 282.2 2035.0 0.865 282.1 2036.0 0.860 282.0 2037.0 0.855 281.9 2038.0 0.850 281.8 2039.0 0.845 281.7 2040.0 0.840 281.7 2041.0 0.835 281.6 2042.0 0.830 281.5 2043.0 0.825 281.4 2044.0 0.820 281.3 2045.0 0.814 281.2 2046.0 0.809 281.1 2047.0 0.804 281.0 2048.0 0.799 280.9 2049.0 0.793 280.8 2050.0 0.788 280.7 2051.0 0.783 280.6 2052.0 0.778 280.5 2053.0 0.772 280.4 2054.0 0.767 280.3 2055.0 0.762 280.1 2056.0 0.756 280.0 2057.0 0.751 279.9 2058.0 0.746 279.8 2059.0 0.740 279.7 2060.0 0.735 279.6 2061.0 0.729 279.5 2062.0 0.724 279.3 2063.0 0.718 279.2 2064.0 0.713 279.1 2065.0 0.707 279.0 2066.0 0.702 278.8 2067.0 0.696 278.7 2068.0 0.691 278.6 2069.0 0.685 278.4 2070.0 0.680 278.3 2071.0 0.674 278.1 2072.0 0.669 278.0 2073.0 0.663 277.9 2074.0 0.658 277.7 2075.0 0.652 277.6 2076.0 0.647 277.4 2077.0 0.641 277.3 2078.0 0.635 277.1 2079.0 0.630 276.9 2080.0 0.624 276.8 2081.0 0.618 276.6 2082.0 0.613 276.4 2083.0 0.607 276.3 2084.0 0.602 276.1 2085.0 0.596 275.9 2086.0 0.590 275.7 2087.0 0.585 275.5 2088.0 0.579 275.3 2089.0 0.573 275.2 2090.0 0.568 275.0 2091.0 0.562 274.8 2092.0 0.556 274.5 2093.0 0.550 274.3 2094.0 0.545 274.1 2095.0 0.539 273.9 2096.0 0.533 273.7 2097.0 0.528 273.5 2098.0 0.522 273.2 2099.0 0.516 273.0 2100.0 0.511 272.7 2101.0 0.505 272.5 2102.0 0.499 272.2 2103.0 0.493 272.0 2104.0 0.488 271.7 2105.0 0.482 271.4 2106.0 0.476 271.2 2107.0 0.471 270.9 2108.0 0.465 270.6 2109.0 0.459 270.3 2110.0 0.454 270.0 2111.0 0.448 269.6 2112.0 0.442 269.3 2113.0 0.437 269.0 2114.0 0.431 268.6 2115.0 0.425 268.3 2116.0 0.420 267.9 2117.0 0.414 267.6 2118.0 0.408 267.2 2119.0 0.403 266.8 2120.0 0.397 266.4 2121.0 0.392 266.0 2122.0 0.386 265.5 2123.0 0.380 265.1 2124.0 0.375 264.7 2125.0 0.369 264.2 2126.0 0.364 263.7 2127.0 0.358 263.2 2128.0 0.353 262.7 2129.0 0.347 262.2 2130.0 0.342 261.7 2131.0 0.337 261.1 2132.0 0.331 260.5 2133.0 0.326 259.9 2134.0 0.321 259.3 2135.0 0.315 258.7 2136.0 0.310 258.0 2137.0 0.305 257.3 2138.0 0.300 256.6 2139.0 0.295 255.9 2140.0 0.289 255.1 2141.0 0.284 254.4 2142.0 0.279 253.6 2143.0 0.275 252.7 2144.0 0.270 251.8 2145.0 0.265 250.9 2146.0 0.260 250.0 2147.0 0.255 249.0 2148.0 0.251 248.0 2149.0 0.246 247.0 2150.0 0.242 245.9 2151.0 0.237 244.8 2152.0 0.233 243.6 2153.0 0.229 242.4 2154.0 0.225 241.2 2155.0 0.221 239.9 2156.0 0.217 238.6 2157.0 0.213 237.2 2158.0 0.210 235.7 2159.0 0.206 234.2 2160.0 0.203 232.7 2161.0 0.200 231.1 2162.0 0.197 229.5 2163.0 0.194 227.8 2164.0 0.191 226.1 2165.0 0.188 224.3 2166.0 0.186 222.4 2167.0 0.184 220.6 2168.0 0.182 218.6 2169.0 0.180 216.7 2170.0 0.179 214.7 2171.0 0.177 212.7 2172.0 0.176 210.6 2173.0 0.175 208.5 2174.0 0.175 206.4 2175.0 0.174 204.3 2176.0 0.174 202.2 2177.0 0.174 200.1 2178.0 0.175 198.0 2179.0 0.175 195.9 2180.0 0.176 193.8 2181.0 0.177 191.7 2182.0 0.178 189.7 2183.0 0.179 187.6 2184.0 0.181 185.7 2185.0 0.183 183.7 2186.0 0.185 181.8 2187.0 0.187 180.0 2188.0 0.190 178.2 2189.0 0.192 176.4 2190.0 0.195 174.7 2191.0 0.198 173.0 2192.0 0.201 171.4 2193.0 0.205 169.9 2194.0 0.208 168.3 2195.0 0.211 166.9 2196.0 0.215 165.5 2197.0 0.219 164.1 2198.0 0.223 162.8 2199.0 0.227 161.5 2200.0 0.231 160.3 2201.0 0.235 159.1 2202.0 0.240 158.0 2203.0 0.244 156.9 2204.0 0.249 155.8 2205.0 0.253 154.8 2206.0 0.258 153.8 2207.0 0.262 152.8 2208.0 0.267 151.9 2209.0 0.272 151.0 2210.0 0.277 150.2 2211.0 0.282 149.4 2212.0 0.287 148.6 2213.0 0.292 147.8 2214.0 0.297 147.1 2215.0 0.302 146.4 2216.0 0.307 145.7 2217.0 0.313 145.0 2218.0 0.318 144.3 2219.0 0.323 143.7 2220.0 0.329 143.1 2221.0 0.334 142.5 2222.0 0.339 142.0 2223.0 0.345 141.4 2224.0 0.350 140.9 2225.0 0.356 140.4 2226.0 0.361 139.9 2227.0 0.367 139.4 2228.0 0.372 138.9 2229.0 0.378 138.4 2230.0 0.383 138.0 2231.0 0.389 137.6 2232.0 0.394 137.2 2233.0 0.400 136.7 2234.0 0.406 136.3 2235.0 0.411 136.0 2236.0 0.417 135.6 2237.0 0.422 135.2 2238.0 0.428 134.9 2239.0 0.434 134.5 2240.0 0.439 134.2 2241.0 0.445 133.9 2242.0 0.451 133.5 2243.0 0.457 133.2 2244.0 0.462 132.9 2245.0 0.468 132.6 2246.0 0.474 132.3 2247.0 0.479 132.0 2248.0 0.485 131.8 2249.0 0.491 131.5 2250.0 0.496 131.2 2251.0 0.502 131.0 2252.0 0.508 130.7 2253.0 0.514 130.5 2254.0 0.519 130.2 2255.0 0.525 130.0 2256.0 0.531 129.8 2257.0 0.536 129.5 2258.0 0.542 129.3 2259.0 0.548 129.1 2260.0 0.554 128.9 2261.0 0.559 128.7 2262.0 0.565 128.5 2263.0 0.571 128.3 2264.0 0.576 128.1 2265.0 0.582 127.9 2266.0 0.588 127.7 2267.0 0.593 127.5 2268.0 0.599 127.3 2269.0 0.605 127.2 2270.0 0.610 127.0 2271.0 0.616 126.8 2272.0 0.622 126.7 2273.0 0.627 126.5 2274.0 0.633 126.3 2275.0 0.639 126.2 2276.0 0.644 126.0 2277.0 0.650 125.9 2278.0 0.656 125.7 2279.0 0.661 125.6 2280.0 0.667 125.4 2281.0 0.672 125.3 2282.0 0.678 125.1 2283.0 0.683 125.0 2284.0 0.689 124.9 2285.0 0.695 124.7 2286.0 0.700 124.6 2287.0 0.706 124.5 2288.0 0.711 124.3 2289.0 0.717 124.2 2290.0 0.722 124.1 2291.0 0.728 124.0 2292.0 0.733 123.8 2293.0 0.739 123.7 2294.0 0.744 123.6 2295.0 0.749 123.5 2296.0 0.755 123.4 2297.0 0.760 123.3 2298.0 0.766 123.2 2299.0 0.771 123.0 2300.0 0.776 122.9 2301.0 0.782 122.8 2302.0 0.787 122.7 2303.0 0.792 122.6 2304.0 0.798 122.5 2305.0 0.803 122.4 2306.0 0.808 122.3 2307.0 0.814 122.2 2308.0 0.819 122.1 2309.0 0.824 122.0 2310.0 0.829 121.9 2311.0 0.835 121.8 2312.0 0.840 121.8 2313.0 0.845 121.7 2314.0 0.850 121.6 2315.0 0.855 121.5 2316.0 0.860 121.4 2317.0 0.865 121.3 2318.0 0.871 121.2 2319.0 0.876 121.1 2320.0 0.881 121.1 2321.0 0.886 121.0 2322.0 0.891 120.9 2323.0 0.896 120.8 2324.0 0.901 120.7 2325.0 0.906 120.7 2326.0 0.911 120.6 2327.0 0.915 120.5 2328.0 0.920 120.4 2329.0 0.925 120.3 2330.0 0.930 120.3 2331.0 0.935 120.2 2332.0 0.940 120.1 2333.0 0.945 120.1 2334.0 0.949 120.0 2335.0 0.954 119.9 2336.0 0.959 119.8 2337.0 0.963 119.8 2338.0 0.968 119.7 2339.0 0.973 119.6 2340.0 0.977 119.6 2341.0 0.982 119.5 2342.0 0.987 119.4 2343.0 0.991 119.4 2344.0 0.996 119.3 2345.0 1.000 119.2 2346.0 1.005 119.2 2347.0 1.009 119.1 2348.0 1.013 119.0 2349.0 1.018 119.0 2350.0 1.022 118.9 2351.0 1.027 118.9 2352.0 1.031 118.8 2353.0 1.035 118.7 2354.0 1.039 118.7 2355.0 1.044 118.6 2356.0 1.048 118.6 2357.0 1.052 118.5 2358.0 1.056 118.4 2359.0 1.060 118.4 2360.0 1.064 118.3 2361.0 1.068 118.3 2362.0 1.072 118.2 2363.0 1.076 118.2 2364.0 1.080 118.1 2365.0 1.084 118.1 2366.0 1.088 118.0 2367.0 1.092 117.9 2368.0 1.096 117.9 2369.0 1.100 117.8 2370.0 1.103 117.8 2371.0 1.107 117.7 2372.0 1.111 117.7 2373.0 1.114 117.6 2374.0 1.118 117.6 2375.0 1.122 117.5 2376.0 1.125 117.5 2377.0 1.129 117.4 2378.0 1.132 117.4