| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:59 |
| WDS: | BU403 | WDS ID/Discoverer |
| P: | 591.878 | Orbital period (years) |
| a: | 3.48625 | Semi-major axis (arcseconds) |
| i: | 93.249 | Inclination (degrees) |
| Ω: | 103.414 | Longitude of ascending node (degrees) |
| T: | 1813.252 | Epoch of periastron passage (year) |
| e: | 0.77632 | Eccentricity |
| ω: | 273.16 | Longitude of periastron (degrees) |
| Start-Year: | 1730.0 | Year |
| End-Year: | 2320.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042541.85-021356.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04257-0214 | WDS designation |
| Discoverer Code: | BU403 | Discover designation and components |
| ADS number: | 3214 | Aitken Double Star catalog |
| HD number: | 28072 | HD catalog number |
| Hipparcos number: | 20673 | Hipparcos catalog number |
| V1: | 7.47 | Magnitude of the primary |
| V2: | 9.42 | 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: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.828 80.0 ------------------------- 1730.0 2.357 287.4 1731.0 2.357 287.3 1732.0 2.357 287.3 1733.0 2.356 287.2 1734.0 2.355 287.2 1735.0 2.354 287.1 1736.0 2.352 287.1 1737.0 2.351 287.1 1738.0 2.349 287.0 1739.0 2.347 287.0 1740.0 2.344 286.9 1741.0 2.341 286.9 1742.0 2.338 286.8 1743.0 2.335 286.8 1744.0 2.332 286.7 1745.0 2.328 286.7 1746.0 2.323 286.6 1747.0 2.319 286.6 1748.0 2.314 286.5 1749.0 2.309 286.5 1750.0 2.303 286.4 1751.0 2.297 286.4 1752.0 2.291 286.3 1753.0 2.285 286.3 1754.0 2.278 286.2 1755.0 2.270 286.2 1756.0 2.262 286.1 1757.0 2.254 286.1 1758.0 2.245 286.0 1759.0 2.236 286.0 1760.0 2.227 285.9 1761.0 2.217 285.9 1762.0 2.206 285.8 1763.0 2.195 285.7 1764.0 2.183 285.7 1765.0 2.171 285.6 1766.0 2.159 285.6 1767.0 2.145 285.5 1768.0 2.131 285.5 1769.0 2.117 285.4 1770.0 2.101 285.3 1771.0 2.086 285.3 1772.0 2.069 285.2 1773.0 2.052 285.2 1774.0 2.033 285.1 1775.0 2.015 285.0 1776.0 1.995 285.0 1777.0 1.974 284.9 1778.0 1.953 284.8 1779.0 1.930 284.8 1780.0 1.906 284.7 1781.0 1.882 284.6 1782.0 1.856 284.5 1783.0 1.829 284.5 1784.0 1.801 284.4 1785.0 1.772 284.3 1786.0 1.741 284.2 1787.0 1.709 284.1 1788.0 1.675 284.0 1789.0 1.640 283.9 1790.0 1.603 283.8 1791.0 1.564 283.7 1792.0 1.523 283.6 1793.0 1.480 283.5 1794.0 1.435 283.4 1795.0 1.388 283.2 1796.0 1.338 283.1 1797.0 1.286 283.0 1798.0 1.231 282.8 1799.0 1.173 282.6 1800.0 1.112 282.4 1801.0 1.047 282.2 1802.0 0.979 281.9 1803.0 0.907 281.6 1804.0 0.831 281.3 1805.0 0.751 280.8 1806.0 0.668 280.3 1807.0 0.580 279.6 1808.0 0.488 278.7 1809.0 0.393 277.3 1810.0 0.295 275.1 1811.0 0.196 270.5 1812.0 0.098 256.6 1813.0 0.047 172.6 1814.0 0.128 123.3 1815.0 0.228 114.3 1816.0 0.327 110.7 1817.0 0.424 108.8 1818.0 0.517 107.6 1819.0 0.607 106.8 1820.0 0.692 106.1 1821.0 0.773 105.7 1822.0 0.849 105.3 1823.0 0.922 104.9 1824.0 0.990 104.6 1825.0 1.054 104.4 1826.0 1.114 104.1 1827.0 1.171 103.9 1828.0 1.224 103.8 1829.0 1.274 103.6 1830.0 1.321 103.4 1831.0 1.366 103.3 1832.0 1.408 103.2 1833.0 1.448 103.0 1834.0 1.485 102.9 1835.0 1.521 102.8 1836.0 1.554 102.7 1837.0 1.586 102.6 1838.0 1.615 102.5 1839.0 1.644 102.4 1840.0 1.670 102.3 1841.0 1.696 102.2 1842.0 1.720 102.1 1843.0 1.742 102.0 1844.0 1.764 101.9 1845.0 1.784 101.8 1846.0 1.803 101.7 1847.0 1.822 101.7 1848.0 1.839 101.6 1849.0 1.855 101.5 1850.0 1.870 101.4 1851.0 1.885 101.4 1852.0 1.899 101.3 1853.0 1.912 101.2 1854.0 1.924 101.1 1855.0 1.936 101.1 1856.0 1.946 101.0 1857.0 1.957 100.9 1858.0 1.966 100.9 1859.0 1.975 100.8 1860.0 1.984 100.7 1861.0 1.992 100.7 1862.0 1.999 100.6 1863.0 2.006 100.5 1864.0 2.012 100.5 1865.0 2.018 100.4 1866.0 2.023 100.3 1867.0 2.028 100.3 1868.0 2.033 100.2 1869.0 2.037 100.1 1870.0 2.041 100.1 1871.0 2.044 100.0 1872.0 2.047 99.9 1873.0 2.049 99.9 1874.0 2.052 99.8 1875.0 2.054 99.8 1876.0 2.055 99.7 1877.0 2.056 99.6 1878.0 2.057 99.6 1879.0 2.058 99.5 1880.0 2.058 99.4 1881.0 2.058 99.4 1882.0 2.058 99.3 1883.0 2.058 99.3 1884.0 2.057 99.2 1885.0 2.056 99.1 1886.0 2.055 99.1 1887.0 2.053 99.0 1888.0 2.051 98.9 1889.0 2.049 98.9 1890.0 2.047 98.8 1891.0 2.045 98.8 1892.0 2.042 98.7 1893.0 2.039 98.6 1894.0 2.036 98.6 1895.0 2.033 98.5 1896.0 2.030 98.4 1897.0 2.026 98.4 1898.0 2.022 98.3 1899.0 2.018 98.2 1900.0 2.014 98.2 1901.0 2.010 98.1 1902.0 2.005 98.0 1903.0 2.001 98.0 1904.0 1.996 97.9 1905.0 1.991 97.9 1906.0 1.986 97.8 1907.0 1.981 97.7 1908.0 1.975 97.6 1909.0 1.970 97.6 1910.0 1.964 97.5 1911.0 1.958 97.4 1912.0 1.952 97.4 1913.0 1.946 97.3 1914.0 1.940 97.2 1915.0 1.934 97.2 1916.0 1.927 97.1 1917.0 1.921 97.0 1918.0 1.914 97.0 1919.0 1.907 96.9 1920.0 1.900 96.8 1921.0 1.893 96.7 1922.0 1.886 96.7 1923.0 1.879 96.6 1924.0 1.871 96.5 1925.0 1.864 96.4 1926.0 1.856 96.4 1927.0 1.848 96.3 1928.0 1.841 96.2 1929.0 1.833 96.1 1930.0 1.825 96.0 1931.0 1.817 96.0 1932.0 1.809 95.9 1933.0 1.800 95.8 1934.0 1.792 95.7 1935.0 1.784 95.6 1936.0 1.775 95.6 1937.0 1.767 95.5 1938.0 1.758 95.4 1939.0 1.749 95.3 1940.0 1.741 95.2 1941.0 1.732 95.1 1942.0 1.723 95.0 1943.0 1.714 94.9 1944.0 1.705 94.9 1945.0 1.695 94.8 1946.0 1.686 94.7 1947.0 1.677 94.6 1948.0 1.667 94.5 1949.0 1.658 94.4 1950.0 1.649 94.3 1951.0 1.639 94.2 1952.0 1.629 94.1 1953.0 1.620 94.0 1954.0 1.610 93.9 1955.0 1.600 93.8 1956.0 1.590 93.7 1957.0 1.580 93.6 1958.0 1.570 93.5 1959.0 1.560 93.4 1960.0 1.550 93.3 1961.0 1.540 93.2 1962.0 1.530 93.0 1963.0 1.520 92.9 1964.0 1.510 92.8 1965.0 1.499 92.7 1966.0 1.489 92.6 1967.0 1.478 92.5 1968.0 1.468 92.3 1969.0 1.457 92.2 1970.0 1.447 92.1 1971.0 1.436 92.0 1972.0 1.426 91.8 1973.0 1.415 91.7 1974.0 1.404 91.6 1975.0 1.394 91.4 1976.0 1.383 91.3 1977.0 1.372 91.2 1978.0 1.361 91.0 1979.0 1.350 90.9 1980.0 1.339 90.7 1981.0 1.328 90.6 1982.0 1.317 90.4 1983.0 1.306 90.3 1984.0 1.295 90.1 1985.0 1.284 90.0 1986.0 1.273 89.8 1987.0 1.262 89.6 1988.0 1.251 89.5 1989.0 1.240 89.3 1990.0 1.228 89.1 1991.0 1.217 88.9 1992.0 1.206 88.8 1993.0 1.195 88.6 1994.0 1.183 88.4 1995.0 1.172 88.2 1996.0 1.161 88.0 1997.0 1.149 87.8 1998.0 1.138 87.6 1999.0 1.127 87.4 2000.0 1.115 87.2 2001.0 1.104 87.0 2002.0 1.092 86.8 2003.0 1.081 86.5 2004.0 1.069 86.3 2005.0 1.058 86.1 2006.0 1.046 85.8 2007.0 1.035 85.6 2008.0 1.023 85.3 2009.0 1.012 85.1 2010.0 1.000 84.8 2011.0 0.989 84.6 2012.0 0.977 84.3 2013.0 0.966 84.0 2014.0 0.954 83.7 2015.0 0.943 83.4 2016.0 0.931 83.1 2017.0 0.920 82.8 2018.0 0.908 82.5 2019.0 0.897 82.2 2020.0 0.885 81.8 2021.0 0.874 81.5 2022.0 0.862 81.2 2023.0 0.851 80.8 2024.0 0.839 80.4 2025.0 0.828 80.0 2026.0 0.816 79.7 2027.0 0.805 79.2 2028.0 0.794 78.8 2029.0 0.782 78.4 2030.0 0.771 78.0 2031.0 0.760 77.5 2032.0 0.748 77.1 2033.0 0.737 76.6 2034.0 0.726 76.1 2035.0 0.715 75.6 2036.0 0.704 75.1 2037.0 0.693 74.5 2038.0 0.682 73.9 2039.0 0.671 73.4 2040.0 0.660 72.8 2041.0 0.649 72.2 2042.0 0.638 71.5 2043.0 0.627 70.9 2044.0 0.617 70.2 2045.0 0.606 69.5 2046.0 0.595 68.7 2047.0 0.585 68.0 2048.0 0.575 67.2 2049.0 0.565 66.4 2050.0 0.554 65.5 2051.0 0.544 64.7 2052.0 0.535 63.8 2053.0 0.525 62.8 2054.0 0.515 61.8 2055.0 0.506 60.8 2056.0 0.496 59.8 2057.0 0.487 58.7 2058.0 0.478 57.5 2059.0 0.469 56.4 2060.0 0.461 55.1 2061.0 0.452 53.9 2062.0 0.444 52.6 2063.0 0.436 51.2 2064.0 0.429 49.8 2065.0 0.421 48.3 2066.0 0.414 46.8 2067.0 0.407 45.2 2068.0 0.401 43.6 2069.0 0.394 41.9 2070.0 0.388 40.2 2071.0 0.383 38.4 2072.0 0.378 36.6 2073.0 0.373 34.7 2074.0 0.368 32.8 2075.0 0.364 30.9 2076.0 0.361 28.8 2077.0 0.358 26.8 2078.0 0.355 24.7 2079.0 0.353 22.6 2080.0 0.351 20.5 2081.0 0.350 18.3 2082.0 0.349 16.2 2083.0 0.349 14.0 2084.0 0.349 11.8 2085.0 0.350 9.7 2086.0 0.351 7.5 2087.0 0.353 5.4 2088.0 0.355 3.3 2089.0 0.358 1.2 2090.0 0.361 359.2 2091.0 0.365 357.2 2092.0 0.369 355.2 2093.0 0.373 353.3 2094.0 0.378 351.4 2095.0 0.383 349.6 2096.0 0.389 347.8 2097.0 0.394 346.1 2098.0 0.401 344.4 2099.0 0.407 342.8 2100.0 0.414 341.2 2101.0 0.421 339.7 2102.0 0.429 338.3 2103.0 0.436 336.8 2104.0 0.444 335.5 2105.0 0.453 334.2 2106.0 0.461 332.9 2107.0 0.470 331.7 2108.0 0.478 330.5 2109.0 0.487 329.4 2110.0 0.497 328.3 2111.0 0.506 327.2 2112.0 0.515 326.2 2113.0 0.525 325.2 2114.0 0.535 324.3 2115.0 0.545 323.4 2116.0 0.555 322.5 2117.0 0.565 321.7 2118.0 0.575 320.9 2119.0 0.586 320.1 2120.0 0.596 319.3 2121.0 0.606 318.6 2122.0 0.617 317.9 2123.0 0.628 317.2 2124.0 0.639 316.6 2125.0 0.649 315.9 2126.0 0.660 315.3 2127.0 0.671 314.7 2128.0 0.682 314.1 2129.0 0.693 313.6 2130.0 0.704 313.0 2131.0 0.716 312.5 2132.0 0.727 312.0 2133.0 0.738 311.5 2134.0 0.749 311.0 2135.0 0.761 310.6 2136.0 0.772 310.1 2137.0 0.783 309.7 2138.0 0.795 309.3 2139.0 0.806 308.8 2140.0 0.818 308.4 2141.0 0.829 308.0 2142.0 0.841 307.7 2143.0 0.852 307.3 2144.0 0.864 306.9 2145.0 0.875 306.6 2146.0 0.887 306.3 2147.0 0.898 305.9 2148.0 0.910 305.6 2149.0 0.921 305.3 2150.0 0.933 305.0 2151.0 0.945 304.7 2152.0 0.956 304.4 2153.0 0.968 304.1 2154.0 0.979 303.8 2155.0 0.991 303.5 2156.0 1.003 303.3 2157.0 1.014 303.0 2158.0 1.026 302.8 2159.0 1.038 302.5 2160.0 1.049 302.3 2161.0 1.061 302.0 2162.0 1.072 301.8 2163.0 1.084 301.6 2164.0 1.096 301.4 2165.0 1.107 301.1 2166.0 1.119 300.9 2167.0 1.130 300.7 2168.0 1.142 300.5 2169.0 1.153 300.3 2170.0 1.165 300.1 2171.0 1.177 299.9 2172.0 1.188 299.7 2173.0 1.200 299.6 2174.0 1.211 299.4 2175.0 1.222 299.2 2176.0 1.234 299.0 2177.0 1.245 298.8 2178.0 1.257 298.7 2179.0 1.268 298.5 2180.0 1.280 298.3 2181.0 1.291 298.2 2182.0 1.302 298.0 2183.0 1.314 297.9 2184.0 1.325 297.7 2185.0 1.336 297.6 2186.0 1.347 297.4 2187.0 1.359 297.3 2188.0 1.370 297.1 2189.0 1.381 297.0 2190.0 1.392 296.9 2191.0 1.403 296.7 2192.0 1.415 296.6 2193.0 1.426 296.5 2194.0 1.437 296.3 2195.0 1.448 296.2 2196.0 1.459 296.1 2197.0 1.470 296.0 2198.0 1.481 295.8 2199.0 1.492 295.7 2200.0 1.503 295.6 2201.0 1.513 295.5 2202.0 1.524 295.4 2203.0 1.535 295.3 2204.0 1.546 295.1 2205.0 1.557 295.0 2206.0 1.567 294.9 2207.0 1.578 294.8 2208.0 1.588 294.7 2209.0 1.599 294.6 2210.0 1.610 294.5 2211.0 1.620 294.4 2212.0 1.631 294.3 2213.0 1.641 294.2 2214.0 1.652 294.1 2215.0 1.662 294.0 2216.0 1.672 293.9 2217.0 1.683 293.8 2218.0 1.693 293.7 2219.0 1.703 293.6 2220.0 1.713 293.6 2221.0 1.723 293.5 2222.0 1.733 293.4 2223.0 1.743 293.3 2224.0 1.753 293.2 2225.0 1.763 293.1 2226.0 1.773 293.0 2227.0 1.783 292.9 2228.0 1.793 292.9 2229.0 1.803 292.8 2230.0 1.812 292.7 2231.0 1.822 292.6 2232.0 1.832 292.5 2233.0 1.841 292.5 2234.0 1.851 292.4 2235.0 1.860 292.3 2236.0 1.869 292.2 2237.0 1.879 292.2 2238.0 1.888 292.1 2239.0 1.897 292.0 2240.0 1.907 291.9 2241.0 1.916 291.9 2242.0 1.925 291.8 2243.0 1.934 291.7 2244.0 1.943 291.7 2245.0 1.952 291.6 2246.0 1.960 291.5 2247.0 1.969 291.4 2248.0 1.978 291.4 2249.0 1.986 291.3 2250.0 1.995 291.2 2251.0 2.004 291.2 2252.0 2.012 291.1 2253.0 2.020 291.0 2254.0 2.029 291.0 2255.0 2.037 290.9 2256.0 2.045 290.9 2257.0 2.053 290.8 2258.0 2.061 290.7 2259.0 2.069 290.7 2260.0 2.077 290.6 2261.0 2.085 290.5 2262.0 2.093 290.5 2263.0 2.100 290.4 2264.0 2.108 290.4 2265.0 2.115 290.3 2266.0 2.123 290.2 2267.0 2.130 290.2 2268.0 2.137 290.1 2269.0 2.144 290.1 2270.0 2.151 290.0 2271.0 2.158 290.0 2272.0 2.165 289.9 2273.0 2.172 289.8 2274.0 2.179 289.8 2275.0 2.185 289.7 2276.0 2.192 289.7 2277.0 2.198 289.6 2278.0 2.205 289.6 2279.0 2.211 289.5 2280.0 2.217 289.5 2281.0 2.223 289.4 2282.0 2.229 289.4 2283.0 2.235 289.3 2284.0 2.240 289.3 2285.0 2.246 289.2 2286.0 2.252 289.1 2287.0 2.257 289.1 2288.0 2.262 289.0 2289.0 2.267 289.0 2290.0 2.272 288.9 2291.0 2.277 288.9 2292.0 2.282 288.8 2293.0 2.287 288.8 2294.0 2.291 288.7 2295.0 2.296 288.7 2296.0 2.300 288.6 2297.0 2.304 288.6 2298.0 2.308 288.5 2299.0 2.312 288.5 2300.0 2.316 288.4 2301.0 2.320 288.4 2302.0 2.323 288.3 2303.0 2.326 288.3 2304.0 2.329 288.2 2305.0 2.332 288.2 2306.0 2.335 288.1 2307.0 2.338 288.1 2308.0 2.341 288.0 2309.0 2.343 288.0 2310.0 2.345 288.0 2311.0 2.347 287.9 2312.0 2.349 287.9 2313.0 2.351 287.8 2314.0 2.352 287.8 2315.0 2.354 287.7 2316.0 2.355 287.7 2317.0 2.356 287.6 2318.0 2.356 287.6 2319.0 2.357 287.5