| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:38:24 |
| WDS: | A2471 | WDS ID/Discoverer |
| P: | 521.000 | Orbital period (years) |
| a: | 0.788 | Semi-major axis (arcseconds) |
| i: | 131.6 | Inclination (degrees) |
| Ω: | 135.1 | Longitude of ascending node (degrees) |
| T: | 1994.300 | Epoch of periastron passage (year) |
| e: | 0.62 | Eccentricity |
| ω: | 28.8 | Longitude of periastron (degrees) |
| Start-Year: | 1765.0 | Year |
| End-Year: | 2285.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 081239.51+261327.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08127+2613 | WDS designation |
| Discoverer Code: | A2471 | Discover designation and components |
| ADS number: | 6654 | Aitken Double Star catalog |
| HD number: | 68282 | HD catalog number |
| Hipparcos number: | 40200 | Hipparcos catalog number |
| V1: | 8.63 | Magnitude of the primary |
| V2: | 10.16 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | 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 0.332 12.4 ------------------------- 1765.0 1.139 289.9 1766.0 1.137 289.8 1767.0 1.135 289.6 1768.0 1.133 289.4 1769.0 1.131 289.2 1770.0 1.128 289.1 1771.0 1.126 288.9 1772.0 1.124 288.7 1773.0 1.121 288.5 1774.0 1.119 288.4 1775.0 1.117 288.2 1776.0 1.114 288.0 1777.0 1.112 287.8 1778.0 1.109 287.6 1779.0 1.107 287.5 1780.0 1.104 287.3 1781.0 1.102 287.1 1782.0 1.099 286.9 1783.0 1.096 286.7 1784.0 1.094 286.5 1785.0 1.091 286.3 1786.0 1.088 286.2 1787.0 1.085 286.0 1788.0 1.083 285.8 1789.0 1.080 285.6 1790.0 1.077 285.4 1791.0 1.074 285.2 1792.0 1.071 285.0 1793.0 1.068 284.8 1794.0 1.065 284.6 1795.0 1.062 284.4 1796.0 1.059 284.2 1797.0 1.056 284.0 1798.0 1.053 283.8 1799.0 1.050 283.6 1800.0 1.047 283.4 1801.0 1.044 283.2 1802.0 1.041 283.0 1803.0 1.037 282.8 1804.0 1.034 282.6 1805.0 1.031 282.4 1806.0 1.028 282.2 1807.0 1.024 282.0 1808.0 1.021 281.7 1809.0 1.018 281.5 1810.0 1.014 281.3 1811.0 1.011 281.1 1812.0 1.007 280.9 1813.0 1.004 280.6 1814.0 1.000 280.4 1815.0 0.997 280.2 1816.0 0.993 280.0 1817.0 0.990 279.7 1818.0 0.986 279.5 1819.0 0.982 279.3 1820.0 0.979 279.1 1821.0 0.975 278.8 1822.0 0.971 278.6 1823.0 0.967 278.3 1824.0 0.964 278.1 1825.0 0.960 277.9 1826.0 0.956 277.6 1827.0 0.952 277.4 1828.0 0.948 277.1 1829.0 0.944 276.9 1830.0 0.940 276.6 1831.0 0.936 276.4 1832.0 0.932 276.1 1833.0 0.928 275.9 1834.0 0.924 275.6 1835.0 0.920 275.3 1836.0 0.916 275.1 1837.0 0.912 274.8 1838.0 0.908 274.5 1839.0 0.904 274.3 1840.0 0.900 274.0 1841.0 0.895 273.7 1842.0 0.891 273.4 1843.0 0.887 273.1 1844.0 0.883 272.9 1845.0 0.878 272.6 1846.0 0.874 272.3 1847.0 0.870 272.0 1848.0 0.865 271.7 1849.0 0.861 271.4 1850.0 0.856 271.1 1851.0 0.852 270.8 1852.0 0.847 270.5 1853.0 0.843 270.2 1854.0 0.838 269.8 1855.0 0.834 269.5 1856.0 0.829 269.2 1857.0 0.825 268.9 1858.0 0.820 268.5 1859.0 0.815 268.2 1860.0 0.811 267.9 1861.0 0.806 267.5 1862.0 0.801 267.2 1863.0 0.797 266.8 1864.0 0.792 266.5 1865.0 0.787 266.1 1866.0 0.782 265.8 1867.0 0.777 265.4 1868.0 0.773 265.0 1869.0 0.768 264.6 1870.0 0.763 264.3 1871.0 0.758 263.9 1872.0 0.753 263.5 1873.0 0.748 263.1 1874.0 0.743 262.7 1875.0 0.738 262.3 1876.0 0.733 261.9 1877.0 0.728 261.4 1878.0 0.723 261.0 1879.0 0.718 260.6 1880.0 0.713 260.2 1881.0 0.708 259.7 1882.0 0.703 259.3 1883.0 0.698 258.8 1884.0 0.693 258.3 1885.0 0.688 257.9 1886.0 0.683 257.4 1887.0 0.678 256.9 1888.0 0.673 256.4 1889.0 0.668 255.9 1890.0 0.663 255.4 1891.0 0.657 254.9 1892.0 0.652 254.4 1893.0 0.647 253.9 1894.0 0.642 253.3 1895.0 0.637 252.8 1896.0 0.632 252.2 1897.0 0.627 251.7 1898.0 0.621 251.1 1899.0 0.616 250.5 1900.0 0.611 249.9 1901.0 0.606 249.3 1902.0 0.601 248.7 1903.0 0.596 248.1 1904.0 0.590 247.4 1905.0 0.585 246.8 1906.0 0.580 246.1 1907.0 0.575 245.5 1908.0 0.570 244.8 1909.0 0.565 244.1 1910.0 0.560 243.4 1911.0 0.555 242.6 1912.0 0.550 241.9 1913.0 0.544 241.2 1914.0 0.539 240.4 1915.0 0.534 239.6 1916.0 0.529 238.8 1917.0 0.525 238.0 1918.0 0.520 237.2 1919.0 0.515 236.4 1920.0 0.510 235.5 1921.0 0.505 234.7 1922.0 0.500 233.8 1923.0 0.495 232.9 1924.0 0.491 232.0 1925.0 0.486 231.0 1926.0 0.481 230.1 1927.0 0.477 229.1 1928.0 0.472 228.1 1929.0 0.468 227.1 1930.0 0.463 226.1 1931.0 0.459 225.0 1932.0 0.454 223.9 1933.0 0.450 222.8 1934.0 0.446 221.7 1935.0 0.442 220.6 1936.0 0.438 219.4 1937.0 0.434 218.3 1938.0 0.430 217.1 1939.0 0.426 215.8 1940.0 0.422 214.6 1941.0 0.419 213.3 1942.0 0.415 212.0 1943.0 0.411 210.7 1944.0 0.408 209.4 1945.0 0.405 208.0 1946.0 0.401 206.7 1947.0 0.398 205.3 1948.0 0.395 203.9 1949.0 0.392 202.4 1950.0 0.389 200.9 1951.0 0.387 199.5 1952.0 0.384 198.0 1953.0 0.381 196.4 1954.0 0.379 194.9 1955.0 0.377 193.3 1956.0 0.374 191.7 1957.0 0.372 190.1 1958.0 0.370 188.5 1959.0 0.368 186.9 1960.0 0.366 185.2 1961.0 0.364 183.5 1962.0 0.363 181.8 1963.0 0.361 180.1 1964.0 0.359 178.4 1965.0 0.358 176.7 1966.0 0.356 174.9 1967.0 0.355 173.1 1968.0 0.353 171.4 1969.0 0.352 169.6 1970.0 0.350 167.7 1971.0 0.349 165.9 1972.0 0.347 164.1 1973.0 0.346 162.2 1974.0 0.344 160.3 1975.0 0.343 158.4 1976.0 0.341 156.5 1977.0 0.339 154.6 1978.0 0.337 152.6 1979.0 0.335 150.7 1980.0 0.333 148.7 1981.0 0.331 146.6 1982.0 0.328 144.6 1983.0 0.325 142.5 1984.0 0.322 140.3 1985.0 0.319 138.2 1986.0 0.316 135.9 1987.0 0.312 133.7 1988.0 0.308 131.3 1989.0 0.304 129.0 1990.0 0.300 126.5 1991.0 0.295 124.0 1992.0 0.291 121.4 1993.0 0.286 118.7 1994.0 0.281 115.9 1995.0 0.276 113.0 1996.0 0.271 110.0 1997.0 0.266 106.9 1998.0 0.261 103.7 1999.0 0.257 100.4 2000.0 0.252 96.9 2001.0 0.248 93.3 2002.0 0.245 89.7 2003.0 0.241 85.9 2004.0 0.239 82.0 2005.0 0.237 78.0 2006.0 0.235 74.0 2007.0 0.235 70.0 2008.0 0.235 65.9 2009.0 0.236 61.9 2010.0 0.237 57.9 2011.0 0.240 53.9 2012.0 0.243 50.1 2013.0 0.247 46.4 2014.0 0.251 42.7 2015.0 0.256 39.3 2016.0 0.262 35.9 2017.0 0.268 32.7 2018.0 0.275 29.7 2019.0 0.282 26.8 2020.0 0.289 24.1 2021.0 0.297 21.5 2022.0 0.306 19.0 2023.0 0.314 16.7 2024.0 0.323 14.5 2025.0 0.332 12.4 2026.0 0.341 10.4 2027.0 0.350 8.5 2028.0 0.359 6.8 2029.0 0.369 5.1 2030.0 0.378 3.5 2031.0 0.388 2.0 2032.0 0.397 0.5 2033.0 0.407 359.1 2034.0 0.417 357.8 2035.0 0.426 356.5 2036.0 0.436 355.3 2037.0 0.446 354.2 2038.0 0.455 353.1 2039.0 0.465 352.0 2040.0 0.474 351.0 2041.0 0.484 350.0 2042.0 0.493 349.1 2043.0 0.503 348.2 2044.0 0.512 347.3 2045.0 0.521 346.5 2046.0 0.531 345.7 2047.0 0.540 344.9 2048.0 0.549 344.2 2049.0 0.558 343.4 2050.0 0.567 342.7 2051.0 0.576 342.0 2052.0 0.585 341.4 2053.0 0.594 340.7 2054.0 0.602 340.1 2055.0 0.611 339.5 2056.0 0.619 338.9 2057.0 0.628 338.3 2058.0 0.636 337.8 2059.0 0.645 337.2 2060.0 0.653 336.7 2061.0 0.661 336.2 2062.0 0.669 335.7 2063.0 0.677 335.2 2064.0 0.685 334.7 2065.0 0.693 334.2 2066.0 0.701 333.8 2067.0 0.708 333.3 2068.0 0.716 332.9 2069.0 0.724 332.5 2070.0 0.731 332.0 2071.0 0.738 331.6 2072.0 0.746 331.2 2073.0 0.753 330.8 2074.0 0.760 330.4 2075.0 0.767 330.0 2076.0 0.774 329.7 2077.0 0.781 329.3 2078.0 0.788 328.9 2079.0 0.795 328.6 2080.0 0.802 328.2 2081.0 0.808 327.9 2082.0 0.815 327.5 2083.0 0.821 327.2 2084.0 0.828 326.9 2085.0 0.834 326.5 2086.0 0.841 326.2 2087.0 0.847 325.9 2088.0 0.853 325.6 2089.0 0.859 325.3 2090.0 0.865 325.0 2091.0 0.871 324.7 2092.0 0.877 324.4 2093.0 0.883 324.1 2094.0 0.889 323.8 2095.0 0.894 323.6 2096.0 0.900 323.3 2097.0 0.906 323.0 2098.0 0.911 322.7 2099.0 0.917 322.5 2100.0 0.922 322.2 2101.0 0.927 321.9 2102.0 0.933 321.7 2103.0 0.938 321.4 2104.0 0.943 321.2 2105.0 0.948 320.9 2106.0 0.953 320.7 2107.0 0.958 320.4 2108.0 0.963 320.2 2109.0 0.968 320.0 2110.0 0.973 319.7 2111.0 0.977 319.5 2112.0 0.982 319.2 2113.0 0.987 319.0 2114.0 0.991 318.8 2115.0 0.996 318.6 2116.0 1.000 318.3 2117.0 1.005 318.1 2118.0 1.009 317.9 2119.0 1.013 317.7 2120.0 1.018 317.5 2121.0 1.022 317.2 2122.0 1.026 317.0 2123.0 1.030 316.8 2124.0 1.034 316.6 2125.0 1.038 316.4 2126.0 1.042 316.2 2127.0 1.046 316.0 2128.0 1.050 315.8 2129.0 1.053 315.6 2130.0 1.057 315.4 2131.0 1.061 315.2 2132.0 1.064 315.0 2133.0 1.068 314.8 2134.0 1.071 314.6 2135.0 1.075 314.4 2136.0 1.078 314.2 2137.0 1.082 314.0 2138.0 1.085 313.8 2139.0 1.088 313.6 2140.0 1.091 313.4 2141.0 1.095 313.3 2142.0 1.098 313.1 2143.0 1.101 312.9 2144.0 1.104 312.7 2145.0 1.107 312.5 2146.0 1.110 312.3 2147.0 1.113 312.2 2148.0 1.115 312.0 2149.0 1.118 311.8 2150.0 1.121 311.6 2151.0 1.124 311.4 2152.0 1.126 311.3 2153.0 1.129 311.1 2154.0 1.132 310.9 2155.0 1.134 310.7 2156.0 1.137 310.6 2157.0 1.139 310.4 2158.0 1.141 310.2 2159.0 1.144 310.1 2160.0 1.146 309.9 2161.0 1.148 309.7 2162.0 1.151 309.5 2163.0 1.153 309.4 2164.0 1.155 309.2 2165.0 1.157 309.0 2166.0 1.159 308.9 2167.0 1.161 308.7 2168.0 1.163 308.5 2169.0 1.165 308.4 2170.0 1.167 308.2 2171.0 1.169 308.0 2172.0 1.170 307.9 2173.0 1.172 307.7 2174.0 1.174 307.6 2175.0 1.176 307.4 2176.0 1.177 307.2 2177.0 1.179 307.1 2178.0 1.180 306.9 2179.0 1.182 306.8 2180.0 1.183 306.6 2181.0 1.185 306.4 2182.0 1.186 306.3 2183.0 1.188 306.1 2184.0 1.189 306.0 2185.0 1.190 305.8 2186.0 1.191 305.6 2187.0 1.193 305.5 2188.0 1.194 305.3 2189.0 1.195 305.2 2190.0 1.196 305.0 2191.0 1.197 304.9 2192.0 1.198 304.7 2193.0 1.199 304.5 2194.0 1.200 304.4 2195.0 1.201 304.2 2196.0 1.202 304.1 2197.0 1.203 303.9 2198.0 1.203 303.8 2199.0 1.204 303.6 2200.0 1.205 303.5 2201.0 1.206 303.3 2202.0 1.206 303.2 2203.0 1.207 303.0 2204.0 1.207 302.9 2205.0 1.208 302.7 2206.0 1.208 302.5 2207.0 1.209 302.4 2208.0 1.209 302.2 2209.0 1.210 302.1 2210.0 1.210 301.9 2211.0 1.210 301.8 2212.0 1.211 301.6 2213.0 1.211 301.5 2214.0 1.211 301.3 2215.0 1.211 301.2 2216.0 1.211 301.0 2217.0 1.212 300.9 2218.0 1.212 300.7 2219.0 1.212 300.6 2220.0 1.212 300.4 2221.0 1.212 300.3 2222.0 1.212 300.1 2223.0 1.211 300.0 2224.0 1.211 299.8 2225.0 1.211 299.6 2226.0 1.211 299.5 2227.0 1.211 299.3 2228.0 1.210 299.2 2229.0 1.210 299.0 2230.0 1.210 298.9 2231.0 1.209 298.7 2232.0 1.209 298.6 2233.0 1.209 298.4 2234.0 1.208 298.3 2235.0 1.208 298.1 2236.0 1.207 298.0 2237.0 1.206 297.8 2238.0 1.206 297.7 2239.0 1.205 297.5 2240.0 1.205 297.4 2241.0 1.204 297.2 2242.0 1.203 297.0 2243.0 1.202 296.9 2244.0 1.202 296.7 2245.0 1.201 296.6 2246.0 1.200 296.4 2247.0 1.199 296.3 2248.0 1.198 296.1 2249.0 1.197 296.0 2250.0 1.196 295.8 2251.0 1.195 295.6 2252.0 1.194 295.5 2253.0 1.193 295.3 2254.0 1.192 295.2 2255.0 1.191 295.0 2256.0 1.189 294.9 2257.0 1.188 294.7 2258.0 1.187 294.5 2259.0 1.186 294.4 2260.0 1.184 294.2 2261.0 1.183 294.1 2262.0 1.182 293.9 2263.0 1.180 293.7 2264.0 1.179 293.6 2265.0 1.177 293.4 2266.0 1.176 293.3 2267.0 1.174 293.1 2268.0 1.173 292.9 2269.0 1.171 292.8 2270.0 1.170 292.6 2271.0 1.168 292.4 2272.0 1.166 292.3 2273.0 1.164 292.1 2274.0 1.163 292.0 2275.0 1.161 291.8 2276.0 1.159 291.6 2277.0 1.157 291.5 2278.0 1.155 291.3 2279.0 1.154 291.1 2280.0 1.152 291.0 2281.0 1.150 290.8 2282.0 1.148 290.6 2283.0 1.146 290.4 2284.0 1.144 290.3