| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:17:21 |
| WDS: | BU391AB | WDS ID/Discoverer |
| P: | 575.651 | Orbital period (years) |
| a: | 1.61369 | Semi-major axis (arcseconds) |
| i: | 98.715 | Inclination (degrees) |
| Ω: | 76.733 | Longitude of ascending node (degrees) |
| T: | 2087.659 | Epoch of periastron passage (year) |
| e: | 0.5022 | Eccentricity |
| ω: | 272.711 | Longitude of periastron (degrees) |
| Start-Year: | 1738.0 | Year |
| End-Year: | 2312.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 000921.02-275916.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00094-2759 | WDS designation |
| Discoverer Code: | BU391AB | Discover designation and components |
| ADS number: | 111 | Aitken Double Star catalog |
| HD number: | 493 | HD catalog number |
| Hipparcos number: | 761 | Hipparcos catalog number |
| V1: | 6.13 | Magnitude of the primary |
| V2: | 6.24 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2013 | 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 1.273 257.3 ------------------------- 1738.0 0.612 42.3 1739.0 0.605 41.7 1740.0 0.597 41.1 1741.0 0.590 40.5 1742.0 0.583 39.9 1743.0 0.575 39.2 1744.0 0.568 38.6 1745.0 0.561 37.9 1746.0 0.553 37.2 1747.0 0.546 36.5 1748.0 0.539 35.8 1749.0 0.532 35.1 1750.0 0.525 34.3 1751.0 0.518 33.5 1752.0 0.512 32.7 1753.0 0.505 31.9 1754.0 0.498 31.0 1755.0 0.492 30.2 1756.0 0.485 29.3 1757.0 0.479 28.4 1758.0 0.473 27.4 1759.0 0.467 26.4 1760.0 0.461 25.5 1761.0 0.455 24.4 1762.0 0.449 23.4 1763.0 0.444 22.3 1764.0 0.438 21.2 1765.0 0.433 20.1 1766.0 0.428 18.9 1767.0 0.423 17.8 1768.0 0.418 16.6 1769.0 0.413 15.3 1770.0 0.409 14.1 1771.0 0.405 12.8 1772.0 0.401 11.5 1773.0 0.397 10.1 1774.0 0.393 8.7 1775.0 0.390 7.3 1776.0 0.386 5.9 1777.0 0.383 4.5 1778.0 0.381 3.0 1779.0 0.378 1.5 1780.0 0.376 0.0 1781.0 0.374 358.5 1782.0 0.372 357.0 1783.0 0.371 355.4 1784.0 0.369 353.9 1785.0 0.368 352.3 1786.0 0.368 350.7 1787.0 0.367 349.2 1788.0 0.367 347.6 1789.0 0.367 346.0 1790.0 0.367 344.4 1791.0 0.368 342.8 1792.0 0.369 341.3 1793.0 0.370 339.7 1794.0 0.371 338.1 1795.0 0.373 336.6 1796.0 0.375 335.1 1797.0 0.377 333.6 1798.0 0.379 332.1 1799.0 0.382 330.6 1800.0 0.385 329.1 1801.0 0.388 327.7 1802.0 0.391 326.3 1803.0 0.395 324.9 1804.0 0.399 323.6 1805.0 0.403 322.2 1806.0 0.407 320.9 1807.0 0.411 319.7 1808.0 0.416 318.4 1809.0 0.420 317.2 1810.0 0.425 316.0 1811.0 0.430 314.8 1812.0 0.435 313.7 1813.0 0.441 312.6 1814.0 0.446 311.5 1815.0 0.452 310.4 1816.0 0.458 309.4 1817.0 0.464 308.4 1818.0 0.470 307.4 1819.0 0.476 306.5 1820.0 0.482 305.5 1821.0 0.489 304.6 1822.0 0.495 303.7 1823.0 0.502 302.9 1824.0 0.508 302.1 1825.0 0.515 301.2 1826.0 0.522 300.4 1827.0 0.529 299.7 1828.0 0.536 298.9 1829.0 0.543 298.2 1830.0 0.550 297.5 1831.0 0.557 296.8 1832.0 0.564 296.1 1833.0 0.572 295.4 1834.0 0.579 294.8 1835.0 0.586 294.2 1836.0 0.594 293.5 1837.0 0.601 292.9 1838.0 0.609 292.4 1839.0 0.617 291.8 1840.0 0.624 291.2 1841.0 0.632 290.7 1842.0 0.639 290.2 1843.0 0.647 289.7 1844.0 0.655 289.2 1845.0 0.663 288.7 1846.0 0.670 288.2 1847.0 0.678 287.7 1848.0 0.686 287.3 1849.0 0.694 286.8 1850.0 0.702 286.4 1851.0 0.710 285.9 1852.0 0.718 285.5 1853.0 0.725 285.1 1854.0 0.733 284.7 1855.0 0.741 284.3 1856.0 0.749 283.9 1857.0 0.757 283.6 1858.0 0.765 283.2 1859.0 0.773 282.8 1860.0 0.781 282.5 1861.0 0.789 282.1 1862.0 0.797 281.8 1863.0 0.805 281.5 1864.0 0.813 281.1 1865.0 0.821 280.8 1866.0 0.828 280.5 1867.0 0.836 280.2 1868.0 0.844 279.9 1869.0 0.852 279.6 1870.0 0.860 279.3 1871.0 0.868 279.0 1872.0 0.876 278.7 1873.0 0.883 278.5 1874.0 0.891 278.2 1875.0 0.899 277.9 1876.0 0.907 277.7 1877.0 0.915 277.4 1878.0 0.922 277.1 1879.0 0.930 276.9 1880.0 0.938 276.7 1881.0 0.945 276.4 1882.0 0.953 276.2 1883.0 0.961 275.9 1884.0 0.968 275.7 1885.0 0.976 275.5 1886.0 0.983 275.3 1887.0 0.991 275.0 1888.0 0.998 274.8 1889.0 1.006 274.6 1890.0 1.013 274.4 1891.0 1.021 274.2 1892.0 1.028 274.0 1893.0 1.035 273.8 1894.0 1.043 273.6 1895.0 1.050 273.4 1896.0 1.057 273.2 1897.0 1.064 273.0 1898.0 1.071 272.8 1899.0 1.079 272.6 1900.0 1.086 272.5 1901.0 1.093 272.3 1902.0 1.100 272.1 1903.0 1.107 271.9 1904.0 1.114 271.8 1905.0 1.120 271.6 1906.0 1.127 271.4 1907.0 1.134 271.3 1908.0 1.141 271.1 1909.0 1.147 270.9 1910.0 1.154 270.8 1911.0 1.161 270.6 1912.0 1.167 270.4 1913.0 1.174 270.3 1914.0 1.180 270.1 1915.0 1.187 270.0 1916.0 1.193 269.8 1917.0 1.199 269.7 1918.0 1.205 269.5 1919.0 1.212 269.4 1920.0 1.218 269.2 1921.0 1.224 269.1 1922.0 1.230 269.0 1923.0 1.236 268.8 1924.0 1.242 268.7 1925.0 1.247 268.5 1926.0 1.253 268.4 1927.0 1.259 268.3 1928.0 1.264 268.1 1929.0 1.270 268.0 1930.0 1.276 267.9 1931.0 1.281 267.7 1932.0 1.286 267.6 1933.0 1.292 267.5 1934.0 1.297 267.4 1935.0 1.302 267.2 1936.0 1.307 267.1 1937.0 1.312 267.0 1938.0 1.317 266.9 1939.0 1.322 266.7 1940.0 1.327 266.6 1941.0 1.331 266.5 1942.0 1.336 266.4 1943.0 1.341 266.3 1944.0 1.345 266.1 1945.0 1.349 266.0 1946.0 1.354 265.9 1947.0 1.358 265.8 1948.0 1.362 265.7 1949.0 1.366 265.6 1950.0 1.370 265.4 1951.0 1.374 265.3 1952.0 1.378 265.2 1953.0 1.381 265.1 1954.0 1.385 265.0 1955.0 1.388 264.9 1956.0 1.392 264.8 1957.0 1.395 264.7 1958.0 1.398 264.6 1959.0 1.401 264.4 1960.0 1.404 264.3 1961.0 1.407 264.2 1962.0 1.410 264.1 1963.0 1.412 264.0 1964.0 1.415 263.9 1965.0 1.417 263.8 1966.0 1.420 263.7 1967.0 1.422 263.6 1968.0 1.424 263.5 1969.0 1.426 263.4 1970.0 1.428 263.3 1971.0 1.430 263.2 1972.0 1.431 263.1 1973.0 1.433 263.0 1974.0 1.434 262.9 1975.0 1.435 262.8 1976.0 1.436 262.6 1977.0 1.437 262.5 1978.0 1.438 262.4 1979.0 1.439 262.3 1980.0 1.439 262.2 1981.0 1.440 262.1 1982.0 1.440 262.0 1983.0 1.440 261.9 1984.0 1.440 261.8 1985.0 1.440 261.7 1986.0 1.439 261.6 1987.0 1.439 261.5 1988.0 1.438 261.4 1989.0 1.437 261.3 1990.0 1.436 261.2 1991.0 1.435 261.1 1992.0 1.434 261.0 1993.0 1.432 260.9 1994.0 1.431 260.8 1995.0 1.429 260.7 1996.0 1.427 260.6 1997.0 1.425 260.5 1998.0 1.422 260.4 1999.0 1.420 260.3 2000.0 1.417 260.2 2001.0 1.414 260.1 2002.0 1.411 259.9 2003.0 1.407 259.8 2004.0 1.404 259.7 2005.0 1.400 259.6 2006.0 1.396 259.5 2007.0 1.391 259.4 2008.0 1.387 259.3 2009.0 1.382 259.2 2010.0 1.377 259.1 2011.0 1.372 259.0 2012.0 1.367 258.8 2013.0 1.361 258.7 2014.0 1.355 258.6 2015.0 1.349 258.5 2016.0 1.343 258.4 2017.0 1.336 258.3 2018.0 1.329 258.1 2019.0 1.322 258.0 2020.0 1.315 257.9 2021.0 1.307 257.8 2022.0 1.299 257.6 2023.0 1.291 257.5 2024.0 1.282 257.4 2025.0 1.273 257.3 2026.0 1.264 257.1 2027.0 1.255 257.0 2028.0 1.245 256.9 2029.0 1.235 256.7 2030.0 1.224 256.6 2031.0 1.214 256.4 2032.0 1.202 256.3 2033.0 1.191 256.1 2034.0 1.179 256.0 2035.0 1.167 255.8 2036.0 1.155 255.7 2037.0 1.142 255.5 2038.0 1.129 255.3 2039.0 1.115 255.2 2040.0 1.101 255.0 2041.0 1.087 254.8 2042.0 1.072 254.6 2043.0 1.057 254.4 2044.0 1.042 254.3 2045.0 1.026 254.1 2046.0 1.010 253.8 2047.0 0.993 253.6 2048.0 0.976 253.4 2049.0 0.958 253.2 2050.0 0.940 253.0 2051.0 0.922 252.7 2052.0 0.903 252.4 2053.0 0.884 252.2 2054.0 0.864 251.9 2055.0 0.844 251.6 2056.0 0.824 251.3 2057.0 0.803 251.0 2058.0 0.782 250.6 2059.0 0.760 250.3 2060.0 0.738 249.9 2061.0 0.715 249.5 2062.0 0.692 249.1 2063.0 0.668 248.6 2064.0 0.645 248.1 2065.0 0.620 247.6 2066.0 0.596 247.0 2067.0 0.571 246.4 2068.0 0.546 245.7 2069.0 0.520 244.9 2070.0 0.494 244.1 2071.0 0.468 243.2 2072.0 0.441 242.1 2073.0 0.415 241.0 2074.0 0.388 239.7 2075.0 0.361 238.1 2076.0 0.334 236.4 2077.0 0.307 234.3 2078.0 0.281 231.8 2079.0 0.254 228.8 2080.0 0.229 225.2 2081.0 0.204 220.6 2082.0 0.181 214.8 2083.0 0.160 207.4 2084.0 0.142 198.0 2085.0 0.129 186.3 2086.0 0.122 172.7 2087.0 0.123 158.4 2088.0 0.131 145.0 2089.0 0.145 133.7 2090.0 0.163 124.6 2091.0 0.184 117.4 2092.0 0.208 111.9 2093.0 0.233 107.4 2094.0 0.258 103.9 2095.0 0.285 101.0 2096.0 0.311 98.6 2097.0 0.338 96.5 2098.0 0.365 94.8 2099.0 0.392 93.3 2100.0 0.418 92.0 2101.0 0.445 90.9 2102.0 0.471 89.8 2103.0 0.497 88.9 2104.0 0.523 88.1 2105.0 0.548 87.4 2106.0 0.573 86.7 2107.0 0.598 86.1 2108.0 0.623 85.5 2109.0 0.646 85.0 2110.0 0.670 84.5 2111.0 0.693 84.0 2112.0 0.716 83.6 2113.0 0.738 83.2 2114.0 0.760 82.8 2115.0 0.781 82.4 2116.0 0.802 82.1 2117.0 0.822 81.8 2118.0 0.842 81.5 2119.0 0.861 81.2 2120.0 0.880 80.9 2121.0 0.899 80.6 2122.0 0.917 80.4 2123.0 0.935 80.1 2124.0 0.952 79.9 2125.0 0.969 79.6 2126.0 0.985 79.4 2127.0 1.001 79.2 2128.0 1.016 79.0 2129.0 1.031 78.8 2130.0 1.046 78.6 2131.0 1.060 78.4 2132.0 1.074 78.2 2133.0 1.087 78.0 2134.0 1.100 77.9 2135.0 1.113 77.7 2136.0 1.125 77.5 2137.0 1.137 77.3 2138.0 1.148 77.2 2139.0 1.159 77.0 2140.0 1.170 76.9 2141.0 1.180 76.7 2142.0 1.190 76.6 2143.0 1.200 76.4 2144.0 1.209 76.3 2145.0 1.218 76.1 2146.0 1.227 76.0 2147.0 1.235 75.8 2148.0 1.243 75.7 2149.0 1.251 75.6 2150.0 1.258 75.4 2151.0 1.265 75.3 2152.0 1.272 75.2 2153.0 1.279 75.0 2154.0 1.285 74.9 2155.0 1.291 74.8 2156.0 1.297 74.6 2157.0 1.302 74.5 2158.0 1.307 74.4 2159.0 1.312 74.3 2160.0 1.317 74.1 2161.0 1.321 74.0 2162.0 1.325 73.9 2163.0 1.329 73.8 2164.0 1.333 73.7 2165.0 1.336 73.5 2166.0 1.339 73.4 2167.0 1.342 73.3 2168.0 1.345 73.2 2169.0 1.348 73.1 2170.0 1.350 72.9 2171.0 1.352 72.8 2172.0 1.354 72.7 2173.0 1.356 72.6 2174.0 1.357 72.5 2175.0 1.359 72.4 2176.0 1.360 72.2 2177.0 1.361 72.1 2178.0 1.362 72.0 2179.0 1.362 71.9 2180.0 1.363 71.8 2181.0 1.363 71.7 2182.0 1.363 71.6 2183.0 1.363 71.4 2184.0 1.363 71.3 2185.0 1.362 71.2 2186.0 1.362 71.1 2187.0 1.361 71.0 2188.0 1.360 70.9 2189.0 1.359 70.7 2190.0 1.358 70.6 2191.0 1.357 70.5 2192.0 1.355 70.4 2193.0 1.354 70.3 2194.0 1.352 70.2 2195.0 1.350 70.1 2196.0 1.348 69.9 2197.0 1.346 69.8 2198.0 1.344 69.7 2199.0 1.341 69.6 2200.0 1.339 69.5 2201.0 1.336 69.3 2202.0 1.333 69.2 2203.0 1.330 69.1 2204.0 1.327 69.0 2205.0 1.324 68.9 2206.0 1.321 68.7 2207.0 1.318 68.6 2208.0 1.314 68.5 2209.0 1.311 68.4 2210.0 1.307 68.2 2211.0 1.303 68.1 2212.0 1.300 68.0 2213.0 1.296 67.9 2214.0 1.292 67.7 2215.0 1.287 67.6 2216.0 1.283 67.5 2217.0 1.279 67.3 2218.0 1.274 67.2 2219.0 1.270 67.1 2220.0 1.265 67.0 2221.0 1.261 66.8 2222.0 1.256 66.7 2223.0 1.251 66.6 2224.0 1.246 66.4 2225.0 1.241 66.3 2226.0 1.236 66.1 2227.0 1.231 66.0 2228.0 1.226 65.9 2229.0 1.220 65.7 2230.0 1.215 65.6 2231.0 1.209 65.4 2232.0 1.204 65.3 2233.0 1.198 65.1 2234.0 1.192 65.0 2235.0 1.187 64.8 2236.0 1.181 64.7 2237.0 1.175 64.5 2238.0 1.169 64.4 2239.0 1.163 64.2 2240.0 1.157 64.1 2241.0 1.151 63.9 2242.0 1.144 63.7 2243.0 1.138 63.6 2244.0 1.132 63.4 2245.0 1.125 63.2 2246.0 1.119 63.1 2247.0 1.113 62.9 2248.0 1.106 62.7 2249.0 1.099 62.5 2250.0 1.093 62.4 2251.0 1.086 62.2 2252.0 1.079 62.0 2253.0 1.073 61.8 2254.0 1.066 61.6 2255.0 1.059 61.4 2256.0 1.052 61.3 2257.0 1.045 61.1 2258.0 1.038 60.9 2259.0 1.031 60.7 2260.0 1.024 60.5 2261.0 1.017 60.3 2262.0 1.009 60.0 2263.0 1.002 59.8 2264.0 0.995 59.6 2265.0 0.988 59.4 2266.0 0.980 59.2 2267.0 0.973 59.0 2268.0 0.965 58.7 2269.0 0.958 58.5 2270.0 0.951 58.3 2271.0 0.943 58.0 2272.0 0.936 57.8 2273.0 0.928 57.5 2274.0 0.920 57.3 2275.0 0.913 57.0 2276.0 0.905 56.8 2277.0 0.898 56.5 2278.0 0.890 56.2 2279.0 0.882 56.0 2280.0 0.875 55.7 2281.0 0.867 55.4 2282.0 0.859 55.1 2283.0 0.851 54.8 2284.0 0.843 54.5 2285.0 0.836 54.2 2286.0 0.828 53.9 2287.0 0.820 53.6 2288.0 0.812 53.3 2289.0 0.804 53.0 2290.0 0.797 52.6 2291.0 0.789 52.3 2292.0 0.781 52.0 2293.0 0.773 51.6 2294.0 0.765 51.2 2295.0 0.757 50.9 2296.0 0.749 50.5 2297.0 0.742 50.1 2298.0 0.734 49.7 2299.0 0.726 49.3 2300.0 0.718 48.9 2301.0 0.710 48.5 2302.0 0.702 48.1 2303.0 0.694 47.6 2304.0 0.687 47.2 2305.0 0.679 46.7 2306.0 0.671 46.3 2307.0 0.663 45.8 2308.0 0.656 45.3 2309.0 0.648 44.8 2310.0 0.640 44.3 2311.0 0.633 43.7