| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:18:55 |
| WDS: | SE3BC | WDS ID/Discoverer |
| P: | 654.220 | Orbital period (years) |
| a: | 1.342 | Semi-major axis (arcseconds) |
| i: | 61.2 | Inclination (degrees) |
| Ω: | 162.4 | Longitude of ascending node (degrees) |
| T: | 1971.460 | Epoch of periastron passage (year) |
| e: | 0.424 | Eccentricity |
| ω: | 250.2 | Longitude of periastron (degrees) |
| Start-Year: | 1698.0 | Year |
| End-Year: | 2352.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 210445.21+033157.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21047+0332 | WDS designation |
| Discoverer Code: | SE3BC | Discover designation and components |
| ADS number: | 14602 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.6 | Magnitude of the primary |
| V2: | 10.2 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2008 | 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 0.785 139.9 ------------------------- 1698.0 0.921 239.2 1699.0 0.919 239.7 1700.0 0.917 240.2 1701.0 0.915 240.8 1702.0 0.913 241.3 1703.0 0.911 241.8 1704.0 0.909 242.3 1705.0 0.907 242.8 1706.0 0.905 243.4 1707.0 0.904 243.9 1708.0 0.902 244.4 1709.0 0.900 245.0 1710.0 0.899 245.5 1711.0 0.897 246.0 1712.0 0.896 246.6 1713.0 0.894 247.1 1714.0 0.893 247.6 1715.0 0.891 248.2 1716.0 0.890 248.7 1717.0 0.889 249.3 1718.0 0.887 249.8 1719.0 0.886 250.4 1720.0 0.885 250.9 1721.0 0.884 251.5 1722.0 0.883 252.0 1723.0 0.882 252.6 1724.0 0.881 253.1 1725.0 0.880 253.7 1726.0 0.879 254.3 1727.0 0.878 254.8 1728.0 0.878 255.4 1729.0 0.877 255.9 1730.0 0.876 256.5 1731.0 0.876 257.1 1732.0 0.875 257.6 1733.0 0.875 258.2 1734.0 0.874 258.8 1735.0 0.874 259.3 1736.0 0.874 259.9 1737.0 0.873 260.5 1738.0 0.873 261.0 1739.0 0.873 261.6 1740.0 0.873 262.2 1741.0 0.873 262.7 1742.0 0.873 263.3 1743.0 0.873 263.9 1744.0 0.873 264.4 1745.0 0.873 265.0 1746.0 0.873 265.6 1747.0 0.874 266.1 1748.0 0.874 266.7 1749.0 0.874 267.3 1750.0 0.875 267.8 1751.0 0.875 268.4 1752.0 0.876 269.0 1753.0 0.876 269.5 1754.0 0.877 270.1 1755.0 0.877 270.7 1756.0 0.878 271.2 1757.0 0.879 271.8 1758.0 0.880 272.3 1759.0 0.880 272.9 1760.0 0.881 273.5 1761.0 0.882 274.0 1762.0 0.883 274.6 1763.0 0.884 275.1 1764.0 0.885 275.7 1765.0 0.886 276.2 1766.0 0.888 276.8 1767.0 0.889 277.3 1768.0 0.890 277.9 1769.0 0.891 278.4 1770.0 0.893 279.0 1771.0 0.894 279.5 1772.0 0.895 280.0 1773.0 0.897 280.6 1774.0 0.898 281.1 1775.0 0.900 281.6 1776.0 0.901 282.2 1777.0 0.903 282.7 1778.0 0.904 283.2 1779.0 0.906 283.8 1780.0 0.908 284.3 1781.0 0.909 284.8 1782.0 0.911 285.3 1783.0 0.913 285.9 1784.0 0.915 286.4 1785.0 0.917 286.9 1786.0 0.918 287.4 1787.0 0.920 287.9 1788.0 0.922 288.4 1789.0 0.924 288.9 1790.0 0.926 289.4 1791.0 0.928 289.9 1792.0 0.930 290.4 1793.0 0.932 290.9 1794.0 0.934 291.4 1795.0 0.936 291.9 1796.0 0.938 292.4 1797.0 0.941 292.9 1798.0 0.943 293.4 1799.0 0.945 293.9 1800.0 0.947 294.4 1801.0 0.949 294.9 1802.0 0.951 295.3 1803.0 0.954 295.8 1804.0 0.956 296.3 1805.0 0.958 296.8 1806.0 0.960 297.2 1807.0 0.963 297.7 1808.0 0.965 298.2 1809.0 0.967 298.6 1810.0 0.969 299.1 1811.0 0.972 299.5 1812.0 0.974 300.0 1813.0 0.976 300.5 1814.0 0.978 300.9 1815.0 0.981 301.4 1816.0 0.983 301.8 1817.0 0.985 302.3 1818.0 0.988 302.7 1819.0 0.990 303.1 1820.0 0.992 303.6 1821.0 0.994 304.0 1822.0 0.997 304.5 1823.0 0.999 304.9 1824.0 1.001 305.3 1825.0 1.003 305.7 1826.0 1.006 306.2 1827.0 1.008 306.6 1828.0 1.010 307.0 1829.0 1.012 307.5 1830.0 1.014 307.9 1831.0 1.016 308.3 1832.0 1.018 308.7 1833.0 1.021 309.1 1834.0 1.023 309.5 1835.0 1.025 310.0 1836.0 1.027 310.4 1837.0 1.029 310.8 1838.0 1.031 311.2 1839.0 1.033 311.6 1840.0 1.035 312.0 1841.0 1.036 312.4 1842.0 1.038 312.8 1843.0 1.040 313.2 1844.0 1.042 313.6 1845.0 1.044 314.0 1846.0 1.045 314.4 1847.0 1.047 314.8 1848.0 1.049 315.2 1849.0 1.050 315.6 1850.0 1.052 316.0 1851.0 1.053 316.4 1852.0 1.055 316.7 1853.0 1.056 317.1 1854.0 1.057 317.5 1855.0 1.059 317.9 1856.0 1.060 318.3 1857.0 1.061 318.7 1858.0 1.062 319.1 1859.0 1.063 319.4 1860.0 1.064 319.8 1861.0 1.065 320.2 1862.0 1.066 320.6 1863.0 1.067 321.0 1864.0 1.068 321.3 1865.0 1.068 321.7 1866.0 1.069 322.1 1867.0 1.069 322.5 1868.0 1.070 322.9 1869.0 1.070 323.2 1870.0 1.071 323.6 1871.0 1.071 324.0 1872.0 1.071 324.4 1873.0 1.071 324.7 1874.0 1.071 325.1 1875.0 1.071 325.5 1876.0 1.071 325.9 1877.0 1.070 326.3 1878.0 1.070 326.6 1879.0 1.070 327.0 1880.0 1.069 327.4 1881.0 1.068 327.8 1882.0 1.068 328.1 1883.0 1.067 328.5 1884.0 1.066 328.9 1885.0 1.065 329.3 1886.0 1.064 329.7 1887.0 1.062 330.1 1888.0 1.061 330.4 1889.0 1.059 330.8 1890.0 1.058 331.2 1891.0 1.056 331.6 1892.0 1.054 332.0 1893.0 1.052 332.4 1894.0 1.050 332.8 1895.0 1.048 333.2 1896.0 1.045 333.6 1897.0 1.043 333.9 1898.0 1.040 334.3 1899.0 1.037 334.7 1900.0 1.035 335.2 1901.0 1.031 335.6 1902.0 1.028 336.0 1903.0 1.025 336.4 1904.0 1.021 336.8 1905.0 1.018 337.2 1906.0 1.014 337.6 1907.0 1.010 338.0 1908.0 1.006 338.5 1909.0 1.002 338.9 1910.0 0.997 339.3 1911.0 0.993 339.8 1912.0 0.988 340.2 1913.0 0.983 340.7 1914.0 0.978 341.1 1915.0 0.973 341.6 1916.0 0.967 342.0 1917.0 0.961 342.5 1918.0 0.956 343.0 1919.0 0.950 343.4 1920.0 0.944 343.9 1921.0 0.937 344.4 1922.0 0.931 344.9 1923.0 0.924 345.4 1924.0 0.917 345.9 1925.0 0.910 346.4 1926.0 0.903 347.0 1927.0 0.895 347.5 1928.0 0.888 348.0 1929.0 0.880 348.6 1930.0 0.872 349.2 1931.0 0.864 349.7 1932.0 0.855 350.3 1933.0 0.847 350.9 1934.0 0.838 351.5 1935.0 0.829 352.1 1936.0 0.820 352.8 1937.0 0.810 353.4 1938.0 0.801 354.1 1939.0 0.791 354.8 1940.0 0.781 355.5 1941.0 0.771 356.2 1942.0 0.761 356.9 1943.0 0.751 357.7 1944.0 0.740 358.5 1945.0 0.730 359.3 1946.0 0.719 0.1 1947.0 0.708 0.9 1948.0 0.697 1.8 1949.0 0.686 2.7 1950.0 0.675 3.7 1951.0 0.663 4.6 1952.0 0.652 5.6 1953.0 0.640 6.7 1954.0 0.629 7.7 1955.0 0.617 8.8 1956.0 0.605 10.0 1957.0 0.594 11.2 1958.0 0.582 12.5 1959.0 0.570 13.8 1960.0 0.559 15.1 1961.0 0.547 16.5 1962.0 0.535 18.0 1963.0 0.524 19.6 1964.0 0.513 21.2 1965.0 0.502 22.8 1966.0 0.491 24.6 1967.0 0.481 26.4 1968.0 0.470 28.3 1969.0 0.460 30.3 1970.0 0.451 32.4 1971.0 0.441 34.6 1972.0 0.433 36.9 1973.0 0.424 39.2 1974.0 0.417 41.7 1975.0 0.410 44.2 1976.0 0.403 46.8 1977.0 0.397 49.5 1978.0 0.392 52.3 1979.0 0.388 55.1 1980.0 0.384 58.0 1981.0 0.382 61.0 1982.0 0.380 64.0 1983.0 0.379 67.0 1984.0 0.379 70.0 1985.0 0.379 73.0 1986.0 0.381 76.0 1987.0 0.383 79.0 1988.0 0.387 81.9 1989.0 0.391 84.7 1990.0 0.396 87.5 1991.0 0.401 90.3 1992.0 0.408 92.9 1993.0 0.415 95.5 1994.0 0.422 97.9 1995.0 0.430 100.3 1996.0 0.439 102.6 1997.0 0.448 104.8 1998.0 0.458 106.9 1999.0 0.468 108.9 2000.0 0.479 110.9 2001.0 0.489 112.7 2002.0 0.501 114.5 2003.0 0.512 116.2 2004.0 0.524 117.8 2005.0 0.535 119.3 2006.0 0.547 120.8 2007.0 0.560 122.2 2008.0 0.572 123.5 2009.0 0.584 124.8 2010.0 0.597 126.1 2011.0 0.609 127.3 2012.0 0.622 128.4 2013.0 0.635 129.5 2014.0 0.647 130.6 2015.0 0.660 131.6 2016.0 0.673 132.5 2017.0 0.685 133.5 2018.0 0.698 134.4 2019.0 0.710 135.3 2020.0 0.723 136.1 2021.0 0.736 136.9 2022.0 0.748 137.7 2023.0 0.760 138.5 2024.0 0.773 139.2 2025.0 0.785 139.9 2026.0 0.797 140.6 2027.0 0.809 141.3 2028.0 0.821 141.9 2029.0 0.833 142.6 2030.0 0.845 143.2 2031.0 0.857 143.8 2032.0 0.868 144.3 2033.0 0.880 144.9 2034.0 0.891 145.5 2035.0 0.902 146.0 2036.0 0.913 146.5 2037.0 0.924 147.0 2038.0 0.935 147.5 2039.0 0.946 148.0 2040.0 0.957 148.5 2041.0 0.967 149.0 2042.0 0.978 149.4 2043.0 0.988 149.9 2044.0 0.998 150.3 2045.0 1.008 150.7 2046.0 1.018 151.2 2047.0 1.028 151.6 2048.0 1.037 152.0 2049.0 1.047 152.4 2050.0 1.056 152.8 2051.0 1.066 153.2 2052.0 1.075 153.5 2053.0 1.084 153.9 2054.0 1.093 154.3 2055.0 1.101 154.6 2056.0 1.110 155.0 2057.0 1.119 155.3 2058.0 1.127 155.7 2059.0 1.135 156.0 2060.0 1.143 156.4 2061.0 1.151 156.7 2062.0 1.159 157.0 2063.0 1.167 157.3 2064.0 1.175 157.6 2065.0 1.182 157.9 2066.0 1.190 158.3 2067.0 1.197 158.6 2068.0 1.204 158.9 2069.0 1.211 159.2 2070.0 1.218 159.4 2071.0 1.225 159.7 2072.0 1.232 160.0 2073.0 1.238 160.3 2074.0 1.245 160.6 2075.0 1.251 160.9 2076.0 1.257 161.1 2077.0 1.264 161.4 2078.0 1.270 161.7 2079.0 1.276 162.0 2080.0 1.281 162.2 2081.0 1.287 162.5 2082.0 1.293 162.7 2083.0 1.298 163.0 2084.0 1.303 163.3 2085.0 1.309 163.5 2086.0 1.314 163.8 2087.0 1.319 164.0 2088.0 1.324 164.3 2089.0 1.329 164.5 2090.0 1.334 164.7 2091.0 1.338 165.0 2092.0 1.343 165.2 2093.0 1.347 165.5 2094.0 1.352 165.7 2095.0 1.356 165.9 2096.0 1.360 166.2 2097.0 1.364 166.4 2098.0 1.368 166.6 2099.0 1.372 166.9 2100.0 1.376 167.1 2101.0 1.379 167.3 2102.0 1.383 167.6 2103.0 1.387 167.8 2104.0 1.390 168.0 2105.0 1.393 168.2 2106.0 1.397 168.4 2107.0 1.400 168.7 2108.0 1.403 168.9 2109.0 1.406 169.1 2110.0 1.409 169.3 2111.0 1.412 169.5 2112.0 1.414 169.8 2113.0 1.417 170.0 2114.0 1.420 170.2 2115.0 1.422 170.4 2116.0 1.424 170.6 2117.0 1.427 170.8 2118.0 1.429 171.0 2119.0 1.431 171.3 2120.0 1.433 171.5 2121.0 1.435 171.7 2122.0 1.437 171.9 2123.0 1.439 172.1 2124.0 1.441 172.3 2125.0 1.443 172.5 2126.0 1.444 172.7 2127.0 1.446 172.9 2128.0 1.447 173.1 2129.0 1.449 173.3 2130.0 1.450 173.5 2131.0 1.451 173.7 2132.0 1.453 174.0 2133.0 1.454 174.2 2134.0 1.455 174.4 2135.0 1.456 174.6 2136.0 1.457 174.8 2137.0 1.458 175.0 2138.0 1.459 175.2 2139.0 1.459 175.4 2140.0 1.460 175.6 2141.0 1.461 175.8 2142.0 1.461 176.0 2143.0 1.462 176.2 2144.0 1.462 176.4 2145.0 1.462 176.6 2146.0 1.463 176.8 2147.0 1.463 177.0 2148.0 1.463 177.2 2149.0 1.463 177.4 2150.0 1.463 177.6 2151.0 1.463 177.8 2152.0 1.463 178.0 2153.0 1.463 178.2 2154.0 1.463 178.4 2155.0 1.463 178.6 2156.0 1.463 178.8 2157.0 1.462 179.0 2158.0 1.462 179.2 2159.0 1.461 179.4 2160.0 1.461 179.6 2161.0 1.460 179.8 2162.0 1.460 180.0 2163.0 1.459 180.2 2164.0 1.458 180.4 2165.0 1.458 180.6 2166.0 1.457 180.8 2167.0 1.456 181.0 2168.0 1.455 181.3 2169.0 1.454 181.5 2170.0 1.453 181.7 2171.0 1.452 181.9 2172.0 1.451 182.1 2173.0 1.450 182.3 2174.0 1.449 182.5 2175.0 1.447 182.7 2176.0 1.446 182.9 2177.0 1.445 183.1 2178.0 1.444 183.3 2179.0 1.442 183.5 2180.0 1.441 183.7 2181.0 1.439 183.9 2182.0 1.438 184.1 2183.0 1.436 184.4 2184.0 1.434 184.6 2185.0 1.433 184.8 2186.0 1.431 185.0 2187.0 1.429 185.2 2188.0 1.427 185.4 2189.0 1.426 185.6 2190.0 1.424 185.8 2191.0 1.422 186.0 2192.0 1.420 186.3 2193.0 1.418 186.5 2194.0 1.416 186.7 2195.0 1.414 186.9 2196.0 1.412 187.1 2197.0 1.410 187.3 2198.0 1.407 187.6 2199.0 1.405 187.8 2200.0 1.403 188.0 2201.0 1.401 188.2 2202.0 1.398 188.4 2203.0 1.396 188.7 2204.0 1.394 188.9 2205.0 1.391 189.1 2206.0 1.389 189.3 2207.0 1.386 189.6 2208.0 1.384 189.8 2209.0 1.381 190.0 2210.0 1.379 190.2 2211.0 1.376 190.5 2212.0 1.374 190.7 2213.0 1.371 190.9 2214.0 1.368 191.1 2215.0 1.366 191.4 2216.0 1.363 191.6 2217.0 1.360 191.8 2218.0 1.357 192.1 2219.0 1.354 192.3 2220.0 1.352 192.6 2221.0 1.349 192.8 2222.0 1.346 193.0 2223.0 1.343 193.3 2224.0 1.340 193.5 2225.0 1.337 193.7 2226.0 1.334 194.0 2227.0 1.331 194.2 2228.0 1.328 194.5 2229.0 1.325 194.7 2230.0 1.322 195.0 2231.0 1.319 195.2 2232.0 1.316 195.5 2233.0 1.312 195.7 2234.0 1.309 196.0 2235.0 1.306 196.2 2236.0 1.303 196.5 2237.0 1.300 196.7 2238.0 1.296 197.0 2239.0 1.293 197.2 2240.0 1.290 197.5 2241.0 1.286 197.8 2242.0 1.283 198.0 2243.0 1.280 198.3 2244.0 1.276 198.6 2245.0 1.273 198.8 2246.0 1.270 199.1 2247.0 1.266 199.4 2248.0 1.263 199.6 2249.0 1.259 199.9 2250.0 1.256 200.2 2251.0 1.253 200.5 2252.0 1.249 200.7 2253.0 1.246 201.0 2254.0 1.242 201.3 2255.0 1.239 201.6 2256.0 1.235 201.8 2257.0 1.232 202.1 2258.0 1.228 202.4 2259.0 1.224 202.7 2260.0 1.221 203.0 2261.0 1.217 203.3 2262.0 1.214 203.6 2263.0 1.210 203.9 2264.0 1.207 204.2 2265.0 1.203 204.5 2266.0 1.199 204.8 2267.0 1.196 205.1 2268.0 1.192 205.4 2269.0 1.188 205.7 2270.0 1.185 206.0 2271.0 1.181 206.3 2272.0 1.178 206.6 2273.0 1.174 206.9 2274.0 1.170 207.2 2275.0 1.167 207.5 2276.0 1.163 207.9 2277.0 1.159 208.2 2278.0 1.156 208.5 2279.0 1.152 208.8 2280.0 1.148 209.2 2281.0 1.145 209.5 2282.0 1.141 209.8 2283.0 1.137 210.2 2284.0 1.134 210.5 2285.0 1.130 210.8 2286.0 1.127 211.2 2287.0 1.123 211.5 2288.0 1.119 211.9 2289.0 1.116 212.2 2290.0 1.112 212.5 2291.0 1.108 212.9 2292.0 1.105 213.3 2293.0 1.101 213.6 2294.0 1.098 214.0 2295.0 1.094 214.3 2296.0 1.091 214.7 2297.0 1.087 215.1 2298.0 1.083 215.4 2299.0 1.080 215.8 2300.0 1.076 216.2 2301.0 1.073 216.5 2302.0 1.069 216.9 2303.0 1.066 217.3 2304.0 1.062 217.7 2305.0 1.059 218.1 2306.0 1.055 218.4 2307.0 1.052 218.8 2308.0 1.048 219.2 2309.0 1.045 219.6 2310.0 1.042 220.0 2311.0 1.038 220.4 2312.0 1.035 220.8 2313.0 1.032 221.2 2314.0 1.028 221.6 2315.0 1.025 222.0 2316.0 1.022 222.5 2317.0 1.018 222.9 2318.0 1.015 223.3 2319.0 1.012 223.7 2320.0 1.009 224.1 2321.0 1.006 224.6 2322.0 1.002 225.0 2323.0 0.999 225.4 2324.0 0.996 225.9 2325.0 0.993 226.3 2326.0 0.990 226.7 2327.0 0.987 227.2 2328.0 0.984 227.6 2329.0 0.981 228.1 2330.0 0.978 228.5 2331.0 0.975 229.0 2332.0 0.972 229.4 2333.0 0.969 229.9 2334.0 0.967 230.3 2335.0 0.964 230.8 2336.0 0.961 231.3 2337.0 0.958 231.7 2338.0 0.956 232.2 2339.0 0.953 232.7 2340.0 0.950 233.2 2341.0 0.948 233.7 2342.0 0.945 234.1 2343.0 0.943 234.6 2344.0 0.940 235.1 2345.0 0.938 235.6 2346.0 0.935 236.1 2347.0 0.933 236.6 2348.0 0.931 237.1 2349.0 0.928 237.6 2350.0 0.926 238.1 2351.0 0.924 238.6