| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:00:26 |
| WDS: | BU311 | WDS ID/Discoverer |
| P: | 596.450 | Orbital period (years) |
| a: | 1.029 | Semi-major axis (arcseconds) |
| i: | 62.0 | Inclination (degrees) |
| Ω: | 124.3 | Longitude of ascending node (degrees) |
| T: | 1980.980 | Epoch of periastron passage (year) |
| e: | 0.532 | Eccentricity |
| ω: | 345.0 | Longitude of periastron (degrees) |
| Start-Year: | 1727.0 | Year |
| End-Year: | 2323.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042656.93-240452.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04269-2405 | WDS designation |
| Discoverer Code: | BU311 | Discover designation and components |
| ADS number: | 3230 | Aitken Double Star catalog |
| HD number: | 28312 | HD catalog number |
| Hipparcos number: | 20765 | Hipparcos catalog number |
| V1: | 6.67 | Magnitude of the primary |
| V2: | 7.09 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | 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 0.405 169.7 ------------------------- 1727.0 1.546 301.8 1728.0 1.545 301.9 1729.0 1.544 302.0 1730.0 1.544 302.1 1731.0 1.543 302.3 1732.0 1.542 302.4 1733.0 1.541 302.5 1734.0 1.540 302.6 1735.0 1.539 302.7 1736.0 1.538 302.8 1737.0 1.537 302.9 1738.0 1.535 303.0 1739.0 1.534 303.1 1740.0 1.533 303.2 1741.0 1.532 303.3 1742.0 1.530 303.4 1743.0 1.529 303.5 1744.0 1.527 303.7 1745.0 1.526 303.8 1746.0 1.524 303.9 1747.0 1.523 304.0 1748.0 1.521 304.1 1749.0 1.519 304.2 1750.0 1.517 304.3 1751.0 1.516 304.4 1752.0 1.514 304.5 1753.0 1.512 304.6 1754.0 1.510 304.8 1755.0 1.508 304.9 1756.0 1.506 305.0 1757.0 1.504 305.1 1758.0 1.502 305.2 1759.0 1.500 305.3 1760.0 1.497 305.4 1761.0 1.495 305.5 1762.0 1.493 305.7 1763.0 1.491 305.8 1764.0 1.488 305.9 1765.0 1.486 306.0 1766.0 1.483 306.1 1767.0 1.481 306.2 1768.0 1.478 306.3 1769.0 1.475 306.5 1770.0 1.473 306.6 1771.0 1.470 306.7 1772.0 1.467 306.8 1773.0 1.464 306.9 1774.0 1.461 307.1 1775.0 1.458 307.2 1776.0 1.455 307.3 1777.0 1.452 307.4 1778.0 1.449 307.5 1779.0 1.446 307.7 1780.0 1.443 307.8 1781.0 1.440 307.9 1782.0 1.436 308.0 1783.0 1.433 308.1 1784.0 1.430 308.3 1785.0 1.426 308.4 1786.0 1.423 308.5 1787.0 1.419 308.6 1788.0 1.415 308.8 1789.0 1.412 308.9 1790.0 1.408 309.0 1791.0 1.404 309.2 1792.0 1.401 309.3 1793.0 1.397 309.4 1794.0 1.393 309.5 1795.0 1.389 309.7 1796.0 1.385 309.8 1797.0 1.381 309.9 1798.0 1.377 310.1 1799.0 1.372 310.2 1800.0 1.368 310.3 1801.0 1.364 310.5 1802.0 1.360 310.6 1803.0 1.355 310.8 1804.0 1.351 310.9 1805.0 1.346 311.0 1806.0 1.342 311.2 1807.0 1.337 311.3 1808.0 1.332 311.5 1809.0 1.328 311.6 1810.0 1.323 311.7 1811.0 1.318 311.9 1812.0 1.313 312.0 1813.0 1.308 312.2 1814.0 1.303 312.3 1815.0 1.298 312.5 1816.0 1.293 312.6 1817.0 1.288 312.8 1818.0 1.283 312.9 1819.0 1.277 313.1 1820.0 1.272 313.3 1821.0 1.267 313.4 1822.0 1.261 313.6 1823.0 1.256 313.7 1824.0 1.250 313.9 1825.0 1.245 314.1 1826.0 1.239 314.2 1827.0 1.233 314.4 1828.0 1.227 314.6 1829.0 1.222 314.7 1830.0 1.216 314.9 1831.0 1.210 315.1 1832.0 1.204 315.2 1833.0 1.198 315.4 1834.0 1.191 315.6 1835.0 1.185 315.8 1836.0 1.179 316.0 1837.0 1.173 316.1 1838.0 1.166 316.3 1839.0 1.160 316.5 1840.0 1.153 316.7 1841.0 1.147 316.9 1842.0 1.140 317.1 1843.0 1.134 317.3 1844.0 1.127 317.5 1845.0 1.120 317.7 1846.0 1.113 317.9 1847.0 1.106 318.1 1848.0 1.099 318.3 1849.0 1.092 318.5 1850.0 1.085 318.7 1851.0 1.078 318.9 1852.0 1.071 319.2 1853.0 1.064 319.4 1854.0 1.056 319.6 1855.0 1.049 319.8 1856.0 1.041 320.1 1857.0 1.034 320.3 1858.0 1.026 320.6 1859.0 1.019 320.8 1860.0 1.011 321.0 1861.0 1.003 321.3 1862.0 0.995 321.5 1863.0 0.987 321.8 1864.0 0.980 322.1 1865.0 0.972 322.3 1866.0 0.963 322.6 1867.0 0.955 322.9 1868.0 0.947 323.2 1869.0 0.939 323.5 1870.0 0.931 323.7 1871.0 0.922 324.0 1872.0 0.914 324.3 1873.0 0.905 324.6 1874.0 0.897 325.0 1875.0 0.888 325.3 1876.0 0.879 325.6 1877.0 0.871 325.9 1878.0 0.862 326.3 1879.0 0.853 326.6 1880.0 0.844 327.0 1881.0 0.835 327.3 1882.0 0.826 327.7 1883.0 0.817 328.1 1884.0 0.808 328.5 1885.0 0.799 328.9 1886.0 0.789 329.3 1887.0 0.780 329.7 1888.0 0.771 330.1 1889.0 0.761 330.5 1890.0 0.752 331.0 1891.0 0.742 331.4 1892.0 0.733 331.9 1893.0 0.723 332.4 1894.0 0.714 332.9 1895.0 0.704 333.4 1896.0 0.694 333.9 1897.0 0.684 334.4 1898.0 0.675 335.0 1899.0 0.665 335.5 1900.0 0.655 336.1 1901.0 0.645 336.7 1902.0 0.635 337.3 1903.0 0.625 338.0 1904.0 0.615 338.6 1905.0 0.605 339.3 1906.0 0.595 340.0 1907.0 0.585 340.8 1908.0 0.575 341.5 1909.0 0.565 342.3 1910.0 0.555 343.1 1911.0 0.545 344.0 1912.0 0.535 344.8 1913.0 0.525 345.7 1914.0 0.515 346.7 1915.0 0.505 347.6 1916.0 0.495 348.7 1917.0 0.485 349.7 1918.0 0.476 350.8 1919.0 0.466 352.0 1920.0 0.456 353.2 1921.0 0.447 354.4 1922.0 0.437 355.7 1923.0 0.428 357.1 1924.0 0.419 358.5 1925.0 0.410 359.9 1926.0 0.401 1.5 1927.0 0.393 3.1 1928.0 0.384 4.8 1929.0 0.376 6.5 1930.0 0.368 8.4 1931.0 0.360 10.3 1932.0 0.353 12.3 1933.0 0.346 14.4 1934.0 0.339 16.5 1935.0 0.333 18.8 1936.0 0.327 21.1 1937.0 0.322 23.5 1938.0 0.317 26.0 1939.0 0.312 28.6 1940.0 0.308 31.2 1941.0 0.305 33.9 1942.0 0.302 36.7 1943.0 0.300 39.5 1944.0 0.298 42.4 1945.0 0.297 45.2 1946.0 0.296 48.1 1947.0 0.296 51.0 1948.0 0.297 53.9 1949.0 0.298 56.8 1950.0 0.300 59.6 1951.0 0.303 62.4 1952.0 0.306 65.1 1953.0 0.309 67.8 1954.0 0.313 70.5 1955.0 0.317 73.0 1956.0 0.322 75.5 1957.0 0.327 77.9 1958.0 0.332 80.3 1959.0 0.338 82.5 1960.0 0.344 84.7 1961.0 0.350 86.8 1962.0 0.357 88.8 1963.0 0.363 90.8 1964.0 0.370 92.7 1965.0 0.376 94.5 1966.0 0.383 96.3 1967.0 0.390 98.0 1968.0 0.397 99.6 1969.0 0.403 101.2 1970.0 0.410 102.8 1971.0 0.416 104.3 1972.0 0.422 105.7 1973.0 0.428 107.1 1974.0 0.434 108.5 1975.0 0.440 109.8 1976.0 0.446 111.1 1977.0 0.451 112.4 1978.0 0.456 113.6 1979.0 0.460 114.8 1980.0 0.465 116.0 1981.0 0.469 117.2 1982.0 0.473 118.3 1983.0 0.476 119.4 1984.0 0.479 120.5 1985.0 0.482 121.6 1986.0 0.484 122.7 1987.0 0.486 123.8 1988.0 0.488 124.9 1989.0 0.490 125.9 1990.0 0.491 127.0 1991.0 0.491 128.0 1992.0 0.492 129.1 1993.0 0.492 130.2 1994.0 0.492 131.2 1995.0 0.491 132.3 1996.0 0.491 133.3 1997.0 0.489 134.4 1998.0 0.488 135.4 1999.0 0.487 136.5 2000.0 0.485 137.6 2001.0 0.483 138.7 2002.0 0.480 139.8 2003.0 0.478 140.9 2004.0 0.475 142.0 2005.0 0.473 143.1 2006.0 0.470 144.3 2007.0 0.466 145.4 2008.0 0.463 146.6 2009.0 0.460 147.8 2010.0 0.457 149.0 2011.0 0.453 150.2 2012.0 0.449 151.5 2013.0 0.446 152.7 2014.0 0.442 154.0 2015.0 0.439 155.3 2016.0 0.435 156.7 2017.0 0.431 158.0 2018.0 0.428 159.4 2019.0 0.424 160.8 2020.0 0.421 162.2 2021.0 0.417 163.7 2022.0 0.414 165.1 2023.0 0.411 166.6 2024.0 0.408 168.1 2025.0 0.405 169.7 2026.0 0.402 171.3 2027.0 0.399 172.8 2028.0 0.397 174.4 2029.0 0.394 176.1 2030.0 0.392 177.7 2031.0 0.390 179.4 2032.0 0.388 181.1 2033.0 0.387 182.7 2034.0 0.385 184.4 2035.0 0.384 186.2 2036.0 0.383 187.9 2037.0 0.383 189.6 2038.0 0.382 191.4 2039.0 0.382 193.1 2040.0 0.382 194.8 2041.0 0.383 196.6 2042.0 0.383 198.3 2043.0 0.384 200.0 2044.0 0.385 201.8 2045.0 0.386 203.5 2046.0 0.388 205.2 2047.0 0.390 206.8 2048.0 0.392 208.5 2049.0 0.394 210.1 2050.0 0.397 211.8 2051.0 0.400 213.4 2052.0 0.403 214.9 2053.0 0.406 216.5 2054.0 0.410 218.0 2055.0 0.413 219.5 2056.0 0.417 221.0 2057.0 0.422 222.4 2058.0 0.426 223.9 2059.0 0.430 225.2 2060.0 0.435 226.6 2061.0 0.440 227.9 2062.0 0.445 229.2 2063.0 0.450 230.5 2064.0 0.455 231.7 2065.0 0.461 232.9 2066.0 0.466 234.1 2067.0 0.472 235.3 2068.0 0.478 236.4 2069.0 0.484 237.5 2070.0 0.490 238.6 2071.0 0.496 239.6 2072.0 0.502 240.6 2073.0 0.509 241.6 2074.0 0.515 242.6 2075.0 0.522 243.6 2076.0 0.528 244.5 2077.0 0.535 245.4 2078.0 0.542 246.3 2079.0 0.548 247.1 2080.0 0.555 247.9 2081.0 0.562 248.8 2082.0 0.569 249.6 2083.0 0.576 250.3 2084.0 0.583 251.1 2085.0 0.590 251.8 2086.0 0.597 252.5 2087.0 0.604 253.2 2088.0 0.612 253.9 2089.0 0.619 254.6 2090.0 0.626 255.3 2091.0 0.633 255.9 2092.0 0.640 256.5 2093.0 0.648 257.1 2094.0 0.655 257.7 2095.0 0.662 258.3 2096.0 0.670 258.9 2097.0 0.677 259.5 2098.0 0.684 260.0 2099.0 0.692 260.5 2100.0 0.699 261.1 2101.0 0.706 261.6 2102.0 0.714 262.1 2103.0 0.721 262.6 2104.0 0.728 263.1 2105.0 0.736 263.5 2106.0 0.743 264.0 2107.0 0.750 264.5 2108.0 0.758 264.9 2109.0 0.765 265.3 2110.0 0.772 265.8 2111.0 0.779 266.2 2112.0 0.787 266.6 2113.0 0.794 267.0 2114.0 0.801 267.4 2115.0 0.808 267.8 2116.0 0.815 268.2 2117.0 0.823 268.6 2118.0 0.830 268.9 2119.0 0.837 269.3 2120.0 0.844 269.7 2121.0 0.851 270.0 2122.0 0.858 270.4 2123.0 0.865 270.7 2124.0 0.872 271.1 2125.0 0.879 271.4 2126.0 0.886 271.7 2127.0 0.893 272.0 2128.0 0.900 272.3 2129.0 0.907 272.7 2130.0 0.914 273.0 2131.0 0.921 273.3 2132.0 0.927 273.6 2133.0 0.934 273.9 2134.0 0.941 274.1 2135.0 0.948 274.4 2136.0 0.954 274.7 2137.0 0.961 275.0 2138.0 0.968 275.3 2139.0 0.974 275.5 2140.0 0.981 275.8 2141.0 0.987 276.1 2142.0 0.994 276.3 2143.0 1.000 276.6 2144.0 1.007 276.8 2145.0 1.013 277.1 2146.0 1.020 277.3 2147.0 1.026 277.6 2148.0 1.032 277.8 2149.0 1.039 278.0 2150.0 1.045 278.3 2151.0 1.051 278.5 2152.0 1.057 278.7 2153.0 1.063 279.0 2154.0 1.070 279.2 2155.0 1.076 279.4 2156.0 1.082 279.6 2157.0 1.088 279.8 2158.0 1.094 280.1 2159.0 1.100 280.3 2160.0 1.106 280.5 2161.0 1.111 280.7 2162.0 1.117 280.9 2163.0 1.123 281.1 2164.0 1.129 281.3 2165.0 1.135 281.5 2166.0 1.140 281.7 2167.0 1.146 281.9 2168.0 1.152 282.1 2169.0 1.157 282.3 2170.0 1.163 282.4 2171.0 1.168 282.6 2172.0 1.174 282.8 2173.0 1.179 283.0 2174.0 1.184 283.2 2175.0 1.190 283.4 2176.0 1.195 283.5 2177.0 1.200 283.7 2178.0 1.206 283.9 2179.0 1.211 284.1 2180.0 1.216 284.2 2181.0 1.221 284.4 2182.0 1.226 284.6 2183.0 1.231 284.8 2184.0 1.236 284.9 2185.0 1.241 285.1 2186.0 1.246 285.2 2187.0 1.251 285.4 2188.0 1.256 285.6 2189.0 1.261 285.7 2190.0 1.266 285.9 2191.0 1.271 286.1 2192.0 1.275 286.2 2193.0 1.280 286.4 2194.0 1.285 286.5 2195.0 1.289 286.7 2196.0 1.294 286.8 2197.0 1.298 287.0 2198.0 1.303 287.1 2199.0 1.307 287.3 2200.0 1.312 287.4 2201.0 1.316 287.6 2202.0 1.320 287.7 2203.0 1.325 287.9 2204.0 1.329 288.0 2205.0 1.333 288.1 2206.0 1.337 288.3 2207.0 1.341 288.4 2208.0 1.346 288.6 2209.0 1.350 288.7 2210.0 1.354 288.9 2211.0 1.358 289.0 2212.0 1.362 289.1 2213.0 1.365 289.3 2214.0 1.369 289.4 2215.0 1.373 289.5 2216.0 1.377 289.7 2217.0 1.381 289.8 2218.0 1.384 289.9 2219.0 1.388 290.1 2220.0 1.392 290.2 2221.0 1.395 290.3 2222.0 1.399 290.5 2223.0 1.402 290.6 2224.0 1.406 290.7 2225.0 1.409 290.8 2226.0 1.413 291.0 2227.0 1.416 291.1 2228.0 1.419 291.2 2229.0 1.423 291.4 2230.0 1.426 291.5 2231.0 1.429 291.6 2232.0 1.432 291.7 2233.0 1.435 291.9 2234.0 1.438 292.0 2235.0 1.441 292.1 2236.0 1.444 292.2 2237.0 1.447 292.3 2238.0 1.450 292.5 2239.0 1.453 292.6 2240.0 1.456 292.7 2241.0 1.459 292.8 2242.0 1.461 292.9 2243.0 1.464 293.1 2244.0 1.467 293.2 2245.0 1.469 293.3 2246.0 1.472 293.4 2247.0 1.475 293.5 2248.0 1.477 293.6 2249.0 1.480 293.8 2250.0 1.482 293.9 2251.0 1.484 294.0 2252.0 1.487 294.1 2253.0 1.489 294.2 2254.0 1.491 294.3 2255.0 1.494 294.5 2256.0 1.496 294.6 2257.0 1.498 294.7 2258.0 1.500 294.8 2259.0 1.502 294.9 2260.0 1.504 295.0 2261.0 1.506 295.1 2262.0 1.508 295.2 2263.0 1.510 295.4 2264.0 1.512 295.5 2265.0 1.513 295.6 2266.0 1.515 295.7 2267.0 1.517 295.8 2268.0 1.519 295.9 2269.0 1.520 296.0 2270.0 1.522 296.1 2271.0 1.523 296.2 2272.0 1.525 296.3 2273.0 1.526 296.5 2274.0 1.528 296.6 2275.0 1.529 296.7 2276.0 1.531 296.8 2277.0 1.532 296.9 2278.0 1.533 297.0 2279.0 1.534 297.1 2280.0 1.536 297.2 2281.0 1.537 297.3 2282.0 1.538 297.4 2283.0 1.539 297.5 2284.0 1.540 297.6 2285.0 1.541 297.8 2286.0 1.542 297.9 2287.0 1.543 298.0 2288.0 1.544 298.1 2289.0 1.544 298.2 2290.0 1.545 298.3 2291.0 1.546 298.4 2292.0 1.547 298.5 2293.0 1.547 298.6 2294.0 1.548 298.7 2295.0 1.548 298.8 2296.0 1.549 298.9 2297.0 1.549 299.0 2298.0 1.550 299.1 2299.0 1.550 299.2 2300.0 1.551 299.3 2301.0 1.551 299.5 2302.0 1.551 299.6 2303.0 1.551 299.7 2304.0 1.551 299.8 2305.0 1.552 299.9 2306.0 1.552 300.0 2307.0 1.552 300.1 2308.0 1.552 300.2 2309.0 1.552 300.3 2310.0 1.552 300.4 2311.0 1.551 300.5 2312.0 1.551 300.6 2313.0 1.551 300.7 2314.0 1.551 300.8 2315.0 1.550 300.9 2316.0 1.550 301.0 2317.0 1.550 301.1 2318.0 1.549 301.2 2319.0 1.549 301.4 2320.0 1.548 301.5 2321.0 1.548 301.6 2322.0 1.547 301.7