| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:34:02 |
| WDS: | BU701AB | WDS ID/Discoverer |
| P: | 554.460 | Orbital period (years) |
| a: | 1.4 | Semi-major axis (arcseconds) |
| i: | 124.1 | Inclination (degrees) |
| Ω: | 118.1 | Longitude of ascending node (degrees) |
| T: | 2288.310 | Epoch of periastron passage (year) |
| e: | 0.139 | Eccentricity |
| ω: | 105.4 | Longitude of periastron (degrees) |
| Start-Year: | 1748.0 | Year |
| End-Year: | 2302.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 222807.24+121455.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22281+1215 | WDS designation |
| Discoverer Code: | BU701AB | Discover designation and components |
| ADS number: | 15962 | Aitken Double Star catalog |
| HD number: | 212989 | HD catalog number |
| Hipparcos number: | 110900 | Hipparcos catalog number |
| V1: | 7.34 | Magnitude of the primary |
| V2: | 9.62 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | Date of last observation |
| Orbit grade: | 5 | 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 1.024 171.9 ------------------------- 1748.0 0.822 345.0 1749.0 0.830 344.0 1750.0 0.838 343.0 1751.0 0.846 342.0 1752.0 0.854 341.0 1753.0 0.862 340.1 1754.0 0.870 339.1 1755.0 0.879 338.2 1756.0 0.887 337.3 1757.0 0.896 336.4 1758.0 0.904 335.5 1759.0 0.913 334.7 1760.0 0.921 333.8 1761.0 0.930 333.0 1762.0 0.939 332.2 1763.0 0.947 331.4 1764.0 0.956 330.6 1765.0 0.964 329.8 1766.0 0.973 329.1 1767.0 0.982 328.4 1768.0 0.990 327.6 1769.0 0.998 326.9 1770.0 1.007 326.2 1771.0 1.015 325.5 1772.0 1.024 324.8 1773.0 1.032 324.2 1774.0 1.040 323.5 1775.0 1.048 322.9 1776.0 1.057 322.2 1777.0 1.065 321.6 1778.0 1.073 321.0 1779.0 1.080 320.4 1780.0 1.088 319.8 1781.0 1.096 319.2 1782.0 1.104 318.6 1783.0 1.111 318.0 1784.0 1.119 317.4 1785.0 1.126 316.9 1786.0 1.133 316.3 1787.0 1.140 315.8 1788.0 1.148 315.2 1789.0 1.154 314.7 1790.0 1.161 314.2 1791.0 1.168 313.7 1792.0 1.175 313.2 1793.0 1.181 312.6 1794.0 1.188 312.1 1795.0 1.194 311.6 1796.0 1.200 311.1 1797.0 1.206 310.7 1798.0 1.212 310.2 1799.0 1.218 309.7 1800.0 1.224 309.2 1801.0 1.229 308.8 1802.0 1.234 308.3 1803.0 1.240 307.8 1804.0 1.245 307.4 1805.0 1.250 306.9 1806.0 1.255 306.5 1807.0 1.260 306.0 1808.0 1.264 305.6 1809.0 1.269 305.1 1810.0 1.273 304.7 1811.0 1.277 304.3 1812.0 1.281 303.8 1813.0 1.285 303.4 1814.0 1.289 303.0 1815.0 1.293 302.5 1816.0 1.296 302.1 1817.0 1.300 301.7 1818.0 1.303 301.3 1819.0 1.306 300.9 1820.0 1.309 300.5 1821.0 1.312 300.1 1822.0 1.315 299.6 1823.0 1.318 299.2 1824.0 1.320 298.8 1825.0 1.322 298.4 1826.0 1.324 298.0 1827.0 1.327 297.6 1828.0 1.328 297.2 1829.0 1.330 296.8 1830.0 1.332 296.4 1831.0 1.333 296.0 1832.0 1.335 295.6 1833.0 1.336 295.2 1834.0 1.337 294.8 1835.0 1.338 294.4 1836.0 1.339 294.0 1837.0 1.340 293.6 1838.0 1.340 293.3 1839.0 1.341 292.9 1840.0 1.341 292.5 1841.0 1.341 292.1 1842.0 1.341 291.7 1843.0 1.341 291.3 1844.0 1.341 290.9 1845.0 1.341 290.5 1846.0 1.341 290.1 1847.0 1.340 289.7 1848.0 1.339 289.3 1849.0 1.339 288.9 1850.0 1.338 288.5 1851.0 1.337 288.1 1852.0 1.336 287.7 1853.0 1.334 287.4 1854.0 1.333 287.0 1855.0 1.332 286.6 1856.0 1.330 286.2 1857.0 1.328 285.8 1858.0 1.326 285.4 1859.0 1.325 285.0 1860.0 1.323 284.5 1861.0 1.320 284.1 1862.0 1.318 283.7 1863.0 1.316 283.3 1864.0 1.314 282.9 1865.0 1.311 282.5 1866.0 1.308 282.1 1867.0 1.306 281.7 1868.0 1.303 281.3 1869.0 1.300 280.9 1870.0 1.297 280.4 1871.0 1.294 280.0 1872.0 1.291 279.6 1873.0 1.288 279.2 1874.0 1.284 278.7 1875.0 1.281 278.3 1876.0 1.277 277.9 1877.0 1.274 277.4 1878.0 1.270 277.0 1879.0 1.266 276.6 1880.0 1.263 276.1 1881.0 1.259 275.7 1882.0 1.255 275.2 1883.0 1.251 274.8 1884.0 1.247 274.3 1885.0 1.243 273.9 1886.0 1.238 273.4 1887.0 1.234 273.0 1888.0 1.230 272.5 1889.0 1.225 272.0 1890.0 1.221 271.5 1891.0 1.216 271.1 1892.0 1.212 270.6 1893.0 1.207 270.1 1894.0 1.203 269.6 1895.0 1.198 269.1 1896.0 1.193 268.6 1897.0 1.188 268.1 1898.0 1.184 267.6 1899.0 1.179 267.1 1900.0 1.174 266.6 1901.0 1.169 266.1 1902.0 1.164 265.6 1903.0 1.159 265.1 1904.0 1.154 264.5 1905.0 1.149 264.0 1906.0 1.144 263.5 1907.0 1.139 262.9 1908.0 1.134 262.4 1909.0 1.129 261.8 1910.0 1.124 261.3 1911.0 1.118 260.7 1912.0 1.113 260.1 1913.0 1.108 259.6 1914.0 1.103 259.0 1915.0 1.098 258.4 1916.0 1.093 257.8 1917.0 1.088 257.2 1918.0 1.083 256.6 1919.0 1.077 256.0 1920.0 1.072 255.4 1921.0 1.067 254.8 1922.0 1.062 254.2 1923.0 1.057 253.5 1924.0 1.052 252.9 1925.0 1.047 252.3 1926.0 1.042 251.6 1927.0 1.037 251.0 1928.0 1.032 250.3 1929.0 1.027 249.6 1930.0 1.023 249.0 1931.0 1.018 248.3 1932.0 1.013 247.6 1933.0 1.008 246.9 1934.0 1.004 246.2 1935.0 0.999 245.5 1936.0 0.995 244.8 1937.0 0.990 244.1 1938.0 0.986 243.3 1939.0 0.981 242.6 1940.0 0.977 241.9 1941.0 0.973 241.1 1942.0 0.969 240.4 1943.0 0.965 239.6 1944.0 0.961 238.9 1945.0 0.957 238.1 1946.0 0.953 237.3 1947.0 0.949 236.5 1948.0 0.945 235.8 1949.0 0.942 235.0 1950.0 0.938 234.2 1951.0 0.935 233.4 1952.0 0.932 232.5 1953.0 0.929 231.7 1954.0 0.926 230.9 1955.0 0.923 230.1 1956.0 0.920 229.2 1957.0 0.917 228.4 1958.0 0.914 227.6 1959.0 0.912 226.7 1960.0 0.910 225.9 1961.0 0.907 225.0 1962.0 0.905 224.2 1963.0 0.903 223.3 1964.0 0.901 222.4 1965.0 0.899 221.5 1966.0 0.898 220.7 1967.0 0.896 219.8 1968.0 0.895 218.9 1969.0 0.894 218.0 1970.0 0.893 217.1 1971.0 0.892 216.3 1972.0 0.891 215.4 1973.0 0.890 214.5 1974.0 0.889 213.6 1975.0 0.889 212.7 1976.0 0.889 211.8 1977.0 0.888 210.9 1978.0 0.888 210.0 1979.0 0.889 209.1 1980.0 0.889 208.2 1981.0 0.889 207.3 1982.0 0.890 206.4 1983.0 0.890 205.5 1984.0 0.891 204.6 1985.0 0.892 203.8 1986.0 0.893 202.9 1987.0 0.894 202.0 1988.0 0.896 201.1 1989.0 0.897 200.2 1990.0 0.899 199.3 1991.0 0.900 198.5 1992.0 0.902 197.6 1993.0 0.904 196.7 1994.0 0.906 195.9 1995.0 0.909 195.0 1996.0 0.911 194.2 1997.0 0.914 193.3 1998.0 0.916 192.5 1999.0 0.919 191.6 2000.0 0.922 190.8 2001.0 0.925 190.0 2002.0 0.928 189.1 2003.0 0.931 188.3 2004.0 0.934 187.5 2005.0 0.938 186.7 2006.0 0.941 185.9 2007.0 0.945 185.1 2008.0 0.948 184.3 2009.0 0.952 183.5 2010.0 0.956 182.8 2011.0 0.960 182.0 2012.0 0.964 181.2 2013.0 0.968 180.5 2014.0 0.972 179.7 2015.0 0.977 179.0 2016.0 0.981 178.2 2017.0 0.986 177.5 2018.0 0.990 176.8 2019.0 0.995 176.1 2020.0 0.999 175.4 2021.0 1.004 174.7 2022.0 1.009 174.0 2023.0 1.014 173.3 2024.0 1.019 172.6 2025.0 1.024 171.9 2026.0 1.029 171.2 2027.0 1.034 170.6 2028.0 1.039 169.9 2029.0 1.044 169.3 2030.0 1.049 168.6 2031.0 1.055 168.0 2032.0 1.060 167.3 2033.0 1.065 166.7 2034.0 1.071 166.1 2035.0 1.076 165.5 2036.0 1.081 164.9 2037.0 1.087 164.3 2038.0 1.092 163.7 2039.0 1.098 163.1 2040.0 1.103 162.5 2041.0 1.109 161.9 2042.0 1.114 161.4 2043.0 1.120 160.8 2044.0 1.125 160.2 2045.0 1.131 159.7 2046.0 1.136 159.1 2047.0 1.142 158.6 2048.0 1.148 158.0 2049.0 1.153 157.5 2050.0 1.159 157.0 2051.0 1.164 156.5 2052.0 1.170 155.9 2053.0 1.175 155.4 2054.0 1.181 154.9 2055.0 1.186 154.4 2056.0 1.192 153.9 2057.0 1.197 153.4 2058.0 1.203 152.9 2059.0 1.208 152.4 2060.0 1.214 152.0 2061.0 1.219 151.5 2062.0 1.224 151.0 2063.0 1.230 150.5 2064.0 1.235 150.1 2065.0 1.240 149.6 2066.0 1.246 149.2 2067.0 1.251 148.7 2068.0 1.256 148.3 2069.0 1.261 147.8 2070.0 1.266 147.4 2071.0 1.271 146.9 2072.0 1.276 146.5 2073.0 1.281 146.1 2074.0 1.286 145.6 2075.0 1.291 145.2 2076.0 1.296 144.8 2077.0 1.300 144.4 2078.0 1.305 143.9 2079.0 1.310 143.5 2080.0 1.314 143.1 2081.0 1.319 142.7 2082.0 1.323 142.3 2083.0 1.328 141.9 2084.0 1.332 141.5 2085.0 1.336 141.1 2086.0 1.341 140.7 2087.0 1.345 140.3 2088.0 1.349 139.9 2089.0 1.353 139.5 2090.0 1.357 139.2 2091.0 1.361 138.8 2092.0 1.365 138.4 2093.0 1.368 138.0 2094.0 1.372 137.6 2095.0 1.376 137.3 2096.0 1.379 136.9 2097.0 1.383 136.5 2098.0 1.386 136.2 2099.0 1.389 135.8 2100.0 1.392 135.4 2101.0 1.395 135.1 2102.0 1.399 134.7 2103.0 1.401 134.3 2104.0 1.404 134.0 2105.0 1.407 133.6 2106.0 1.410 133.3 2107.0 1.412 132.9 2108.0 1.415 132.6 2109.0 1.417 132.2 2110.0 1.420 131.9 2111.0 1.422 131.5 2112.0 1.424 131.2 2113.0 1.426 130.8 2114.0 1.428 130.5 2115.0 1.430 130.1 2116.0 1.431 129.8 2117.0 1.433 129.4 2118.0 1.435 129.1 2119.0 1.436 128.7 2120.0 1.437 128.4 2121.0 1.439 128.1 2122.0 1.440 127.7 2123.0 1.441 127.4 2124.0 1.442 127.0 2125.0 1.442 126.7 2126.0 1.443 126.4 2127.0 1.444 126.0 2128.0 1.444 125.7 2129.0 1.445 125.3 2130.0 1.445 125.0 2131.0 1.445 124.7 2132.0 1.445 124.3 2133.0 1.445 124.0 2134.0 1.445 123.6 2135.0 1.444 123.3 2136.0 1.444 123.0 2137.0 1.444 122.6 2138.0 1.443 122.3 2139.0 1.442 122.0 2140.0 1.441 121.6 2141.0 1.440 121.3 2142.0 1.439 120.9 2143.0 1.438 120.6 2144.0 1.437 120.2 2145.0 1.435 119.9 2146.0 1.434 119.6 2147.0 1.432 119.2 2148.0 1.430 118.9 2149.0 1.428 118.5 2150.0 1.426 118.2 2151.0 1.424 117.8 2152.0 1.422 117.5 2153.0 1.419 117.1 2154.0 1.417 116.8 2155.0 1.414 116.4 2156.0 1.411 116.1 2157.0 1.408 115.7 2158.0 1.405 115.4 2159.0 1.402 115.0 2160.0 1.399 114.6 2161.0 1.395 114.3 2162.0 1.392 113.9 2163.0 1.388 113.5 2164.0 1.384 113.2 2165.0 1.381 112.8 2166.0 1.377 112.4 2167.0 1.372 112.1 2168.0 1.368 111.7 2169.0 1.364 111.3 2170.0 1.359 110.9 2171.0 1.355 110.5 2172.0 1.350 110.2 2173.0 1.345 109.8 2174.0 1.340 109.4 2175.0 1.335 109.0 2176.0 1.330 108.6 2177.0 1.324 108.2 2178.0 1.319 107.8 2179.0 1.313 107.4 2180.0 1.308 107.0 2181.0 1.302 106.5 2182.0 1.296 106.1 2183.0 1.290 105.7 2184.0 1.284 105.3 2185.0 1.278 104.8 2186.0 1.271 104.4 2187.0 1.265 104.0 2188.0 1.258 103.5 2189.0 1.252 103.1 2190.0 1.245 102.6 2191.0 1.238 102.2 2192.0 1.231 101.7 2193.0 1.224 101.2 2194.0 1.217 100.8 2195.0 1.209 100.3 2196.0 1.202 99.8 2197.0 1.194 99.3 2198.0 1.187 98.8 2199.0 1.179 98.3 2200.0 1.171 97.8 2201.0 1.163 97.3 2202.0 1.156 96.7 2203.0 1.148 96.2 2204.0 1.139 95.7 2205.0 1.131 95.1 2206.0 1.123 94.6 2207.0 1.115 94.0 2208.0 1.106 93.4 2209.0 1.098 92.8 2210.0 1.089 92.3 2211.0 1.081 91.7 2212.0 1.072 91.0 2213.0 1.064 90.4 2214.0 1.055 89.8 2215.0 1.046 89.2 2216.0 1.037 88.5 2217.0 1.028 87.8 2218.0 1.019 87.2 2219.0 1.011 86.5 2220.0 1.002 85.8 2221.0 0.993 85.1 2222.0 0.984 84.4 2223.0 0.975 83.6 2224.0 0.966 82.9 2225.0 0.957 82.1 2226.0 0.948 81.3 2227.0 0.939 80.5 2228.0 0.930 79.7 2229.0 0.921 78.9 2230.0 0.912 78.1 2231.0 0.903 77.2 2232.0 0.895 76.3 2233.0 0.886 75.4 2234.0 0.877 74.5 2235.0 0.869 73.6 2236.0 0.860 72.6 2237.0 0.852 71.7 2238.0 0.843 70.7 2239.0 0.835 69.7 2240.0 0.827 68.7 2241.0 0.819 67.6 2242.0 0.811 66.6 2243.0 0.803 65.5 2244.0 0.796 64.4 2245.0 0.788 63.2 2246.0 0.781 62.1 2247.0 0.774 60.9 2248.0 0.767 59.7 2249.0 0.760 58.5 2250.0 0.753 57.3 2251.0 0.747 56.0 2252.0 0.741 54.8 2253.0 0.735 53.5 2254.0 0.729 52.1 2255.0 0.724 50.8 2256.0 0.719 49.4 2257.0 0.714 48.1 2258.0 0.709 46.7 2259.0 0.705 45.3 2260.0 0.701 43.8 2261.0 0.697 42.4 2262.0 0.694 40.9 2263.0 0.691 39.5 2264.0 0.688 38.0 2265.0 0.686 36.5 2266.0 0.684 35.0 2267.0 0.682 33.5 2268.0 0.681 31.9 2269.0 0.680 30.4 2270.0 0.679 28.9 2271.0 0.679 27.3 2272.0 0.679 25.8 2273.0 0.679 24.3 2274.0 0.680 22.7 2275.0 0.681 21.2 2276.0 0.682 19.7 2277.0 0.684 18.2 2278.0 0.686 16.7 2279.0 0.689 15.2 2280.0 0.691 13.7 2281.0 0.694 12.2 2282.0 0.698 10.8 2283.0 0.701 9.3 2284.0 0.705 7.9 2285.0 0.710 6.5 2286.0 0.714 5.1 2287.0 0.719 3.7 2288.0 0.724 2.4 2289.0 0.730 1.0 2290.0 0.735 359.7 2291.0 0.741 358.4 2292.0 0.747 357.1 2293.0 0.753 355.9 2294.0 0.760 354.6 2295.0 0.767 353.4 2296.0 0.773 352.2 2297.0 0.781 351.1 2298.0 0.788 349.9 2299.0 0.795 348.8 2300.0 0.803 347.7 2301.0 0.810 346.6