| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:57:21 |
| WDS: | BU547AB | WDS ID/Discoverer |
| P: | 479.000 | Orbital period (years) |
| a: | 1.053 | Semi-major axis (arcseconds) |
| i: | 128.6 | Inclination (degrees) |
| Ω: | 52.9 | Longitude of ascending node (degrees) |
| T: | 1816.600 | Epoch of periastron passage (year) |
| e: | 0.91 | Eccentricity |
| ω: | 263.0 | Longitude of periastron (degrees) |
| Start-Year: | 1786.0 | Year |
| End-Year: | 2264.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 041356.39+091550.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04139+0916 | WDS designation |
| Discoverer Code: | BU547AB | Discover designation and components |
| ADS number: | 3072 | Aitken Double Star catalog |
| HD number: | 26722 | HD catalog number |
| Hipparcos number: | 19740 | Hipparcos catalog number |
| V1: | 5.05 | Magnitude of the primary |
| V2: | 7.32 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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 1.268 338.2 ------------------------- 1786.0 0.547 285.1 1787.0 0.538 284.4 1788.0 0.529 283.6 1789.0 0.519 282.8 1790.0 0.510 282.0 1791.0 0.500 281.2 1792.0 0.490 280.3 1793.0 0.480 279.4 1794.0 0.469 278.4 1795.0 0.458 277.4 1796.0 0.447 276.4 1797.0 0.436 275.3 1798.0 0.425 274.1 1799.0 0.413 272.9 1800.0 0.401 271.6 1801.0 0.388 270.2 1802.0 0.375 268.7 1803.0 0.361 267.1 1804.0 0.347 265.4 1805.0 0.333 263.5 1806.0 0.317 261.5 1807.0 0.301 259.2 1808.0 0.284 256.7 1809.0 0.266 253.9 1810.0 0.246 250.6 1811.0 0.224 246.7 1812.0 0.201 241.9 1813.0 0.174 235.7 1814.0 0.143 227.1 1815.0 0.108 213.2 1816.0 0.072 185.1 1817.0 0.061 129.9 1818.0 0.091 88.7 1819.0 0.130 70.4 1820.0 0.166 60.4 1821.0 0.198 53.8 1822.0 0.227 49.1 1823.0 0.254 45.3 1824.0 0.278 42.3 1825.0 0.301 39.7 1826.0 0.322 37.5 1827.0 0.342 35.5 1828.0 0.361 33.8 1829.0 0.378 32.2 1830.0 0.396 30.8 1831.0 0.412 29.4 1832.0 0.428 28.2 1833.0 0.443 27.1 1834.0 0.457 26.0 1835.0 0.472 25.0 1836.0 0.485 24.1 1837.0 0.498 23.2 1838.0 0.511 22.3 1839.0 0.524 21.5 1840.0 0.536 20.8 1841.0 0.548 20.0 1842.0 0.559 19.3 1843.0 0.571 18.7 1844.0 0.582 18.0 1845.0 0.593 17.4 1846.0 0.603 16.8 1847.0 0.614 16.2 1848.0 0.624 15.6 1849.0 0.634 15.1 1850.0 0.643 14.6 1851.0 0.653 14.0 1852.0 0.662 13.5 1853.0 0.671 13.1 1854.0 0.681 12.6 1855.0 0.689 12.1 1856.0 0.698 11.7 1857.0 0.707 11.2 1858.0 0.715 10.8 1859.0 0.723 10.4 1860.0 0.732 10.0 1861.0 0.740 9.6 1862.0 0.748 9.2 1863.0 0.755 8.8 1864.0 0.763 8.5 1865.0 0.771 8.1 1866.0 0.778 7.7 1867.0 0.785 7.4 1868.0 0.793 7.0 1869.0 0.800 6.7 1870.0 0.807 6.4 1871.0 0.814 6.0 1872.0 0.820 5.7 1873.0 0.827 5.4 1874.0 0.834 5.1 1875.0 0.840 4.8 1876.0 0.847 4.5 1877.0 0.853 4.2 1878.0 0.860 3.9 1879.0 0.866 3.6 1880.0 0.872 3.3 1881.0 0.878 3.0 1882.0 0.884 2.7 1883.0 0.890 2.5 1884.0 0.896 2.2 1885.0 0.901 1.9 1886.0 0.907 1.7 1887.0 0.913 1.4 1888.0 0.918 1.1 1889.0 0.924 0.9 1890.0 0.929 0.6 1891.0 0.934 0.4 1892.0 0.940 0.1 1893.0 0.945 359.9 1894.0 0.950 359.7 1895.0 0.955 359.4 1896.0 0.960 359.2 1897.0 0.965 359.0 1898.0 0.970 358.7 1899.0 0.975 358.5 1900.0 0.980 358.3 1901.0 0.985 358.0 1902.0 0.989 357.8 1903.0 0.994 357.6 1904.0 0.998 357.4 1905.0 1.003 357.2 1906.0 1.007 357.0 1907.0 1.012 356.7 1908.0 1.016 356.5 1909.0 1.021 356.3 1910.0 1.025 356.1 1911.0 1.029 355.9 1912.0 1.033 355.7 1913.0 1.037 355.5 1914.0 1.041 355.3 1915.0 1.045 355.1 1916.0 1.049 354.9 1917.0 1.053 354.7 1918.0 1.057 354.5 1919.0 1.061 354.3 1920.0 1.065 354.2 1921.0 1.068 354.0 1922.0 1.072 353.8 1923.0 1.076 353.6 1924.0 1.079 353.4 1925.0 1.083 353.2 1926.0 1.087 353.0 1927.0 1.090 352.9 1928.0 1.093 352.7 1929.0 1.097 352.5 1930.0 1.100 352.3 1931.0 1.104 352.1 1932.0 1.107 352.0 1933.0 1.110 351.8 1934.0 1.113 351.6 1935.0 1.116 351.4 1936.0 1.120 351.3 1937.0 1.123 351.1 1938.0 1.126 350.9 1939.0 1.129 350.8 1940.0 1.132 350.6 1941.0 1.135 350.4 1942.0 1.138 350.2 1943.0 1.140 350.1 1944.0 1.143 349.9 1945.0 1.146 349.8 1946.0 1.149 349.6 1947.0 1.151 349.4 1948.0 1.154 349.3 1949.0 1.157 349.1 1950.0 1.159 348.9 1951.0 1.162 348.8 1952.0 1.165 348.6 1953.0 1.167 348.5 1954.0 1.170 348.3 1955.0 1.172 348.1 1956.0 1.174 348.0 1957.0 1.177 347.8 1958.0 1.179 347.7 1959.0 1.181 347.5 1960.0 1.184 347.4 1961.0 1.186 347.2 1962.0 1.188 347.1 1963.0 1.190 346.9 1964.0 1.192 346.8 1965.0 1.195 346.6 1966.0 1.197 346.5 1967.0 1.199 346.3 1968.0 1.201 346.2 1969.0 1.203 346.0 1970.0 1.205 345.9 1971.0 1.207 345.7 1972.0 1.208 345.6 1973.0 1.210 345.4 1974.0 1.212 345.3 1975.0 1.214 345.1 1976.0 1.216 345.0 1977.0 1.218 344.8 1978.0 1.219 344.7 1979.0 1.221 344.5 1980.0 1.223 344.4 1981.0 1.224 344.3 1982.0 1.226 344.1 1983.0 1.227 344.0 1984.0 1.229 343.8 1985.0 1.230 343.7 1986.0 1.232 343.5 1987.0 1.233 343.4 1988.0 1.235 343.3 1989.0 1.236 343.1 1990.0 1.238 343.0 1991.0 1.239 342.8 1992.0 1.240 342.7 1993.0 1.241 342.6 1994.0 1.243 342.4 1995.0 1.244 342.3 1996.0 1.245 342.1 1997.0 1.246 342.0 1998.0 1.247 341.9 1999.0 1.249 341.7 2000.0 1.250 341.6 2001.0 1.251 341.4 2002.0 1.252 341.3 2003.0 1.253 341.2 2004.0 1.254 341.0 2005.0 1.255 340.9 2006.0 1.256 340.8 2007.0 1.257 340.6 2008.0 1.257 340.5 2009.0 1.258 340.3 2010.0 1.259 340.2 2011.0 1.260 340.1 2012.0 1.261 339.9 2013.0 1.261 339.8 2014.0 1.262 339.7 2015.0 1.263 339.5 2016.0 1.263 339.4 2017.0 1.264 339.3 2018.0 1.265 339.1 2019.0 1.265 339.0 2020.0 1.266 338.9 2021.0 1.266 338.7 2022.0 1.267 338.6 2023.0 1.267 338.5 2024.0 1.268 338.3 2025.0 1.268 338.2 2026.0 1.269 338.1 2027.0 1.269 337.9 2028.0 1.269 337.8 2029.0 1.270 337.6 2030.0 1.270 337.5 2031.0 1.270 337.4 2032.0 1.271 337.2 2033.0 1.271 337.1 2034.0 1.271 337.0 2035.0 1.271 336.8 2036.0 1.271 336.7 2037.0 1.272 336.6 2038.0 1.272 336.4 2039.0 1.272 336.3 2040.0 1.272 336.2 2041.0 1.272 336.0 2042.0 1.272 335.9 2043.0 1.272 335.8 2044.0 1.272 335.6 2045.0 1.272 335.5 2046.0 1.272 335.4 2047.0 1.271 335.2 2048.0 1.271 335.1 2049.0 1.271 335.0 2050.0 1.271 334.8 2051.0 1.271 334.7 2052.0 1.271 334.6 2053.0 1.270 334.4 2054.0 1.270 334.3 2055.0 1.270 334.2 2056.0 1.269 334.0 2057.0 1.269 333.9 2058.0 1.269 333.8 2059.0 1.268 333.6 2060.0 1.268 333.5 2061.0 1.267 333.4 2062.0 1.267 333.2 2063.0 1.266 333.1 2064.0 1.266 333.0 2065.0 1.265 332.8 2066.0 1.265 332.7 2067.0 1.264 332.6 2068.0 1.263 332.4 2069.0 1.263 332.3 2070.0 1.262 332.2 2071.0 1.261 332.0 2072.0 1.261 331.9 2073.0 1.260 331.8 2074.0 1.259 331.6 2075.0 1.258 331.5 2076.0 1.257 331.3 2077.0 1.257 331.2 2078.0 1.256 331.1 2079.0 1.255 330.9 2080.0 1.254 330.8 2081.0 1.253 330.7 2082.0 1.252 330.5 2083.0 1.251 330.4 2084.0 1.250 330.3 2085.0 1.249 330.1 2086.0 1.248 330.0 2087.0 1.247 329.8 2088.0 1.246 329.7 2089.0 1.245 329.6 2090.0 1.243 329.4 2091.0 1.242 329.3 2092.0 1.241 329.1 2093.0 1.240 329.0 2094.0 1.238 328.9 2095.0 1.237 328.7 2096.0 1.236 328.6 2097.0 1.235 328.4 2098.0 1.233 328.3 2099.0 1.232 328.2 2100.0 1.230 328.0 2101.0 1.229 327.9 2102.0 1.227 327.7 2103.0 1.226 327.6 2104.0 1.224 327.4 2105.0 1.223 327.3 2106.0 1.221 327.2 2107.0 1.220 327.0 2108.0 1.218 326.9 2109.0 1.217 326.7 2110.0 1.215 326.6 2111.0 1.213 326.4 2112.0 1.211 326.3 2113.0 1.210 326.1 2114.0 1.208 326.0 2115.0 1.206 325.8 2116.0 1.204 325.7 2117.0 1.203 325.5 2118.0 1.201 325.4 2119.0 1.199 325.2 2120.0 1.197 325.1 2121.0 1.195 324.9 2122.0 1.193 324.8 2123.0 1.191 324.6 2124.0 1.189 324.5 2125.0 1.187 324.3 2126.0 1.185 324.2 2127.0 1.183 324.0 2128.0 1.181 323.9 2129.0 1.178 323.7 2130.0 1.176 323.6 2131.0 1.174 323.4 2132.0 1.172 323.2 2133.0 1.170 323.1 2134.0 1.167 322.9 2135.0 1.165 322.8 2136.0 1.163 322.6 2137.0 1.160 322.5 2138.0 1.158 322.3 2139.0 1.155 322.1 2140.0 1.153 322.0 2141.0 1.151 321.8 2142.0 1.148 321.6 2143.0 1.145 321.5 2144.0 1.143 321.3 2145.0 1.140 321.2 2146.0 1.138 321.0 2147.0 1.135 320.8 2148.0 1.132 320.6 2149.0 1.130 320.5 2150.0 1.127 320.3 2151.0 1.124 320.1 2152.0 1.121 320.0 2153.0 1.119 319.8 2154.0 1.116 319.6 2155.0 1.113 319.5 2156.0 1.110 319.3 2157.0 1.107 319.1 2158.0 1.104 318.9 2159.0 1.101 318.7 2160.0 1.098 318.6 2161.0 1.095 318.4 2162.0 1.092 318.2 2163.0 1.089 318.0 2164.0 1.086 317.8 2165.0 1.083 317.7 2166.0 1.079 317.5 2167.0 1.076 317.3 2168.0 1.073 317.1 2169.0 1.070 316.9 2170.0 1.066 316.7 2171.0 1.063 316.5 2172.0 1.059 316.3 2173.0 1.056 316.2 2174.0 1.053 316.0 2175.0 1.049 315.8 2176.0 1.046 315.6 2177.0 1.042 315.4 2178.0 1.038 315.2 2179.0 1.035 315.0 2180.0 1.031 314.8 2181.0 1.027 314.6 2182.0 1.024 314.4 2183.0 1.020 314.2 2184.0 1.016 313.9 2185.0 1.012 313.7 2186.0 1.009 313.5 2187.0 1.005 313.3 2188.0 1.001 313.1 2189.0 0.997 312.9 2190.0 0.993 312.7 2191.0 0.989 312.4 2192.0 0.985 312.2 2193.0 0.980 312.0 2194.0 0.976 311.8 2195.0 0.972 311.5 2196.0 0.968 311.3 2197.0 0.964 311.1 2198.0 0.959 310.9 2199.0 0.955 310.6 2200.0 0.951 310.4 2201.0 0.946 310.1 2202.0 0.942 309.9 2203.0 0.937 309.7 2204.0 0.933 309.4 2205.0 0.928 309.2 2206.0 0.923 308.9 2207.0 0.919 308.7 2208.0 0.914 308.4 2209.0 0.909 308.1 2210.0 0.905 307.9 2211.0 0.900 307.6 2212.0 0.895 307.3 2213.0 0.890 307.1 2214.0 0.885 306.8 2215.0 0.880 306.5 2216.0 0.875 306.2 2217.0 0.870 306.0 2218.0 0.864 305.7 2219.0 0.859 305.4 2220.0 0.854 305.1 2221.0 0.849 304.8 2222.0 0.843 304.5 2223.0 0.838 304.2 2224.0 0.832 303.9 2225.0 0.827 303.6 2226.0 0.821 303.2 2227.0 0.816 302.9 2228.0 0.810 302.6 2229.0 0.804 302.3 2230.0 0.798 301.9 2231.0 0.792 301.6 2232.0 0.787 301.2 2233.0 0.781 300.9 2234.0 0.775 300.5 2235.0 0.768 300.2 2236.0 0.762 299.8 2237.0 0.756 299.4 2238.0 0.750 299.1 2239.0 0.743 298.7 2240.0 0.737 298.3 2241.0 0.730 297.9 2242.0 0.724 297.5 2243.0 0.717 297.0 2244.0 0.710 296.6 2245.0 0.704 296.2 2246.0 0.697 295.8 2247.0 0.690 295.3 2248.0 0.683 294.8 2249.0 0.675 294.4 2250.0 0.668 293.9 2251.0 0.661 293.4 2252.0 0.653 292.9 2253.0 0.646 292.4 2254.0 0.638 291.9 2255.0 0.631 291.3 2256.0 0.623 290.8 2257.0 0.615 290.2 2258.0 0.607 289.7 2259.0 0.599 289.1 2260.0 0.590 288.5 2261.0 0.582 287.8 2262.0 0.573 287.2 2263.0 0.565 286.5