| 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: | 1764.5 | Year |
| End-Year: | 2285.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2471 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Lin2010c | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.345 9.47 -------------------------- 1764.50 1.140 290.02 1765.50 1.138 289.84 1766.50 1.136 289.67 1767.50 1.134 289.50 1768.50 1.132 289.32 1769.50 1.130 289.15 1770.50 1.127 288.97 1771.50 1.125 288.80 1772.50 1.123 288.62 1773.50 1.120 288.44 1774.50 1.118 288.26 1775.50 1.115 288.08 1776.50 1.113 287.90 1777.50 1.110 287.72 1778.50 1.108 287.54 1779.50 1.105 287.36 1780.50 1.103 287.18 1781.50 1.100 286.99 1782.50 1.098 286.81 1783.50 1.095 286.62 1784.50 1.092 286.43 1785.50 1.090 286.25 1786.50 1.087 286.06 1787.50 1.084 285.87 1788.50 1.081 285.68 1789.50 1.078 285.49 1790.50 1.076 285.29 1791.50 1.073 285.10 1792.50 1.070 284.90 1793.50 1.067 284.71 1794.50 1.064 284.51 1795.50 1.061 284.31 1796.50 1.058 284.11 1797.50 1.055 283.91 1798.50 1.052 283.71 1799.50 1.049 283.51 1800.50 1.045 283.31 1801.50 1.042 283.10 1802.50 1.039 282.89 1803.50 1.036 282.69 1804.50 1.033 282.48 1805.50 1.029 282.27 1806.50 1.026 282.06 1807.50 1.023 281.84 1808.50 1.019 281.63 1809.50 1.016 281.41 1810.50 1.012 281.20 1811.50 1.009 280.98 1812.50 1.006 280.76 1813.50 1.002 280.54 1814.50 0.999 280.31 1815.50 0.995 280.09 1816.50 0.991 279.86 1817.50 0.988 279.63 1818.50 0.984 279.40 1819.50 0.980 279.17 1820.50 0.977 278.94 1821.50 0.973 278.70 1822.50 0.969 278.46 1823.50 0.966 278.23 1824.50 0.962 277.99 1825.50 0.958 277.74 1826.50 0.954 277.50 1827.50 0.950 277.25 1828.50 0.946 277.00 1829.50 0.942 276.75 1830.50 0.938 276.50 1831.50 0.934 276.24 1832.50 0.930 275.99 1833.50 0.926 275.73 1834.50 0.922 275.47 1835.50 0.918 275.20 1836.50 0.914 274.94 1837.50 0.910 274.67 1838.50 0.906 274.40 1839.50 0.902 274.12 1840.50 0.897 273.85 1841.50 0.893 273.57 1842.50 0.889 273.29 1843.50 0.885 273.00 1844.50 0.880 272.72 1845.50 0.876 272.43 1846.50 0.872 272.13 1847.50 0.867 271.84 1848.50 0.863 271.54 1849.50 0.858 271.24 1850.50 0.854 270.93 1851.50 0.850 270.62 1852.50 0.845 270.31 1853.50 0.841 270.00 1854.50 0.836 269.68 1855.50 0.831 269.36 1856.50 0.827 269.03 1857.50 0.822 268.71 1858.50 0.818 268.37 1859.50 0.813 268.04 1860.50 0.808 267.70 1861.50 0.804 267.35 1862.50 0.799 267.00 1863.50 0.794 266.65 1864.50 0.789 266.30 1865.50 0.785 265.93 1866.50 0.780 265.57 1867.50 0.775 265.20 1868.50 0.770 264.83 1869.50 0.765 264.45 1870.50 0.761 264.06 1871.50 0.756 263.67 1872.50 0.751 263.28 1873.50 0.746 262.88 1874.50 0.741 262.48 1875.50 0.736 262.07 1876.50 0.731 261.65 1877.50 0.726 261.23 1878.50 0.721 260.80 1879.50 0.716 260.37 1880.50 0.711 259.93 1881.50 0.706 259.48 1882.50 0.701 259.03 1883.50 0.696 258.57 1884.50 0.691 258.11 1885.50 0.686 257.64 1886.50 0.681 257.16 1887.50 0.675 256.67 1888.50 0.670 256.18 1889.50 0.665 255.68 1890.50 0.660 255.17 1891.50 0.655 254.65 1892.50 0.650 254.13 1893.50 0.645 253.59 1894.50 0.639 253.05 1895.50 0.634 252.50 1896.50 0.629 251.94 1897.50 0.624 251.37 1898.50 0.619 250.79 1899.50 0.614 250.20 1900.50 0.608 249.60 1901.50 0.603 249.00 1902.50 0.598 248.38 1903.50 0.593 247.75 1904.50 0.588 247.10 1905.50 0.583 246.45 1906.50 0.578 245.79 1907.50 0.572 245.11 1908.50 0.567 244.42 1909.50 0.562 243.72 1910.50 0.557 243.01 1911.50 0.552 242.28 1912.50 0.547 241.54 1913.50 0.542 240.79 1914.50 0.537 240.02 1915.50 0.532 239.24 1916.50 0.527 238.44 1917.50 0.522 237.63 1918.50 0.517 236.80 1919.50 0.512 235.96 1920.50 0.507 235.10 1921.50 0.503 234.22 1922.50 0.498 233.33 1923.50 0.493 232.42 1924.50 0.488 231.49 1925.50 0.484 230.54 1926.50 0.479 229.58 1927.50 0.474 228.59 1928.50 0.470 227.59 1929.50 0.465 226.57 1930.50 0.461 225.53 1931.50 0.457 224.47 1932.50 0.452 223.38 1933.50 0.448 222.28 1934.50 0.444 221.16 1935.50 0.440 220.01 1936.50 0.436 218.85 1937.50 0.432 217.66 1938.50 0.428 216.45 1939.50 0.424 215.22 1940.50 0.420 213.96 1941.50 0.417 212.69 1942.50 0.413 211.39 1943.50 0.410 210.07 1944.50 0.406 208.73 1945.50 0.403 207.36 1946.50 0.400 205.97 1947.50 0.397 204.57 1948.50 0.394 203.13 1949.50 0.391 201.68 1950.50 0.388 200.21 1951.50 0.385 198.71 1952.50 0.383 197.20 1953.50 0.380 195.66 1954.50 0.378 194.10 1955.50 0.375 192.53 1956.50 0.373 190.93 1957.50 0.371 189.32 1958.50 0.369 187.69 1959.50 0.367 186.04 1960.50 0.365 184.37 1961.50 0.363 182.68 1962.50 0.362 180.98 1963.50 0.360 179.27 1964.50 0.358 177.54 1965.50 0.357 175.79 1966.50 0.355 174.03 1967.50 0.354 172.25 1968.50 0.352 170.46 1969.50 0.351 168.65 1970.50 0.350 166.83 1971.50 0.348 164.99 1972.50 0.347 163.14 1973.50 0.345 161.27 1974.50 0.343 159.38 1975.50 0.342 157.48 1976.50 0.340 155.56 1977.50 0.338 153.61 1978.50 0.336 151.65 1979.50 0.334 149.66 1980.50 0.332 147.64 1981.50 0.329 145.60 1982.50 0.327 143.52 1983.50 0.324 141.41 1984.50 0.321 139.25 1985.50 0.317 137.06 1986.50 0.314 134.81 1987.50 0.310 132.52 1988.50 0.306 130.16 1989.50 0.302 127.75 1990.50 0.297 125.26 1991.50 0.293 122.69 1992.50 0.288 120.05 1993.50 0.283 117.31 1994.50 0.278 114.47 1995.50 0.273 111.54 1996.50 0.268 108.49 1997.50 0.264 105.33 1998.50 0.259 102.05 1999.50 0.254 98.66 2000.50 0.250 95.14 2001.50 0.246 91.51 2002.50 0.243 87.77 2003.50 0.240 83.94 2004.50 0.238 80.02 2005.50 0.236 76.03 2006.50 0.235 72.00 2007.50 0.235 67.94 2008.50 0.235 63.89 2009.50 0.236 59.87 2010.50 0.238 55.90 2011.50 0.241 52.01 2012.50 0.245 48.21 2013.50 0.249 44.54 2014.50 0.253 40.99 2015.50 0.259 37.58 2016.50 0.265 34.32 2017.50 0.271 31.21 2018.50 0.278 28.25 2019.50 0.286 25.43 2020.50 0.293 22.77 2021.50 0.301 20.24 2022.50 0.310 17.84 2023.50 0.318 15.58 2024.50 0.327 13.43 2025.50 0.336 11.40 2026.50 0.345 9.47 2027.50 0.355 7.64 2028.50 0.364 5.91 2029.50 0.373 4.27 2030.50 0.383 2.70 2031.50 0.393 1.22 2032.50 0.402 359.80 2033.50 0.412 358.45 2034.50 0.422 357.17 2035.50 0.431 355.94 2036.50 0.441 354.76 2037.50 0.450 353.63 2038.50 0.460 352.56 2039.50 0.470 351.52 2040.50 0.479 350.53 2041.50 0.489 349.57 2042.50 0.498 348.66 2043.50 0.508 347.77 2044.50 0.517 346.92 2045.50 0.526 346.10 2046.50 0.535 345.30 2047.50 0.544 344.54 2048.50 0.554 343.80 2049.50 0.563 343.08 2050.50 0.572 342.38 2051.50 0.580 341.71 2052.50 0.589 341.06 2053.50 0.598 340.42 2054.50 0.607 339.80 2055.50 0.615 339.21 2056.50 0.624 338.62 2057.50 0.632 338.06 2058.50 0.640 337.50 2059.50 0.649 336.97 2060.50 0.657 336.44 2061.50 0.665 335.93 2062.50 0.673 335.43 2063.50 0.681 334.94 2064.50 0.689 334.47 2065.50 0.697 334.00 2066.50 0.704 333.55 2067.50 0.712 333.10 2068.50 0.720 332.66 2069.50 0.727 332.24 2070.50 0.735 331.82 2071.50 0.742 331.41 2072.50 0.749 331.01 2073.50 0.757 330.61 2074.50 0.764 330.23 2075.50 0.771 329.85 2076.50 0.778 329.47 2077.50 0.785 329.11 2078.50 0.791 328.75 2079.50 0.798 328.39 2080.50 0.805 328.05 2081.50 0.812 327.70 2082.50 0.818 327.37 2083.50 0.825 327.04 2084.50 0.831 326.71 2085.50 0.837 326.39 2086.50 0.844 326.07 2087.50 0.850 325.76 2088.50 0.856 325.45 2089.50 0.862 325.15 2090.50 0.868 324.85 2091.50 0.874 324.56 2092.50 0.880 324.27 2093.50 0.886 323.98 2094.50 0.892 323.70 2095.50 0.897 323.42 2096.50 0.903 323.14 2097.50 0.908 322.87 2098.50 0.914 322.60 2099.50 0.919 322.33 2100.50 0.925 322.07 2101.50 0.930 321.81 2102.50 0.935 321.55 2103.50 0.940 321.30 2104.50 0.946 321.05 2105.50 0.951 320.80 2106.50 0.956 320.55 2107.50 0.961 320.31 2108.50 0.965 320.07 2109.50 0.970 319.83 2110.50 0.975 319.59 2111.50 0.980 319.36 2112.50 0.984 319.13 2113.50 0.989 318.90 2114.50 0.994 318.67 2115.50 0.998 318.45 2116.50 1.002 318.22 2117.50 1.007 318.00 2118.50 1.011 317.78 2119.50 1.015 317.56 2120.50 1.020 317.35 2121.50 1.024 317.13 2122.50 1.028 316.92 2123.50 1.032 316.71 2124.50 1.036 316.50 2125.50 1.040 316.30 2126.50 1.044 316.09 2127.50 1.048 315.88 2128.50 1.051 315.68 2129.50 1.055 315.48 2130.50 1.059 315.28 2131.50 1.063 315.08 2132.50 1.066 314.88 2133.50 1.070 314.69 2134.50 1.073 314.49 2135.50 1.077 314.30 2136.50 1.080 314.11 2137.50 1.083 313.92 2138.50 1.087 313.73 2139.50 1.090 313.54 2140.50 1.093 313.35 2141.50 1.096 313.16 2142.50 1.099 312.98 2143.50 1.102 312.79 2144.50 1.105 312.61 2145.50 1.108 312.43 2146.50 1.111 312.25 2147.50 1.114 312.07 2148.50 1.117 311.89 2149.50 1.120 311.71 2150.50 1.122 311.53 2151.50 1.125 311.35 2152.50 1.128 311.18 2153.50 1.130 311.00 2154.50 1.133 310.83 2155.50 1.135 310.65 2156.50 1.138 310.48 2157.50 1.140 310.31 2158.50 1.143 310.14 2159.50 1.145 309.97 2160.50 1.147 309.80 2161.50 1.149 309.63 2162.50 1.152 309.46 2163.50 1.154 309.29 2164.50 1.156 309.12 2165.50 1.158 308.95 2166.50 1.160 308.79 2167.50 1.162 308.62 2168.50 1.164 308.46 2169.50 1.166 308.29 2170.50 1.168 308.13 2171.50 1.170 307.96 2172.50 1.171 307.80 2173.50 1.173 307.64 2174.50 1.175 307.48 2175.50 1.176 307.32 2176.50 1.178 307.15 2177.50 1.180 306.99 2178.50 1.181 306.83 2179.50 1.183 306.67 2180.50 1.184 306.51 2181.50 1.186 306.35 2182.50 1.187 306.20 2183.50 1.188 306.04 2184.50 1.190 305.88 2185.50 1.191 305.72 2186.50 1.192 305.56 2187.50 1.193 305.41 2188.50 1.194 305.25 2189.50 1.196 305.09 2190.50 1.197 304.94 2191.50 1.198 304.78 2192.50 1.199 304.63 2193.50 1.200 304.47 2194.50 1.201 304.31 2195.50 1.201 304.16 2196.50 1.202 304.00 2197.50 1.203 303.85 2198.50 1.204 303.70 2199.50 1.205 303.54 2200.50 1.205 303.39 2201.50 1.206 303.23 2202.50 1.207 303.08 2203.50 1.207 302.93 2204.50 1.208 302.77 2205.50 1.208 302.62 2206.50 1.209 302.47 2207.50 1.209 302.31 2208.50 1.210 302.16 2209.50 1.210 302.01 2210.50 1.210 301.86 2211.50 1.211 301.70 2212.50 1.211 301.55 2213.50 1.211 301.40 2214.50 1.211 301.25 2215.50 1.211 301.09 2216.50 1.211 300.94 2217.50 1.212 300.79 2218.50 1.212 300.64 2219.50 1.212 300.48 2220.50 1.212 300.33 2221.50 1.212 300.18 2222.50 1.212 300.03 2223.50 1.211 299.88 2224.50 1.211 299.72 2225.50 1.211 299.57 2226.50 1.211 299.42 2227.50 1.211 299.27 2228.50 1.210 299.11 2229.50 1.210 298.96 2230.50 1.210 298.81 2231.50 1.209 298.66 2232.50 1.209 298.50 2233.50 1.208 298.35 2234.50 1.208 298.20 2235.50 1.207 298.04 2236.50 1.207 297.89 2237.50 1.206 297.74 2238.50 1.206 297.58 2239.50 1.205 297.43 2240.50 1.204 297.27 2241.50 1.204 297.12 2242.50 1.203 296.97 2243.50 1.202 296.81 2244.50 1.201 296.66 2245.50 1.200 296.50 2246.50 1.199 296.35 2247.50 1.198 296.19 2248.50 1.198 296.04 2249.50 1.197 295.88 2250.50 1.196 295.72 2251.50 1.195 295.57 2252.50 1.193 295.41 2253.50 1.192 295.25 2254.50 1.191 295.10 2255.50 1.190 294.94 2256.50 1.189 294.78 2257.50 1.188 294.62 2258.50 1.186 294.46 2259.50 1.185 294.30 2260.50 1.184 294.14 2261.50 1.182 293.98 2262.50 1.181 293.82 2263.50 1.180 293.66 2264.50 1.178 293.50 2265.50 1.177 293.34 2266.50 1.175 293.18 2267.50 1.174 293.02 2268.50 1.172 292.86 2269.50 1.170 292.69 2270.50 1.169 292.53 2271.50 1.167 292.37 2272.50 1.165 292.20 2273.50 1.164 292.04 2274.50 1.162 291.87 2275.50 1.160 291.71 2276.50 1.158 291.54 2277.50 1.156 291.37 2278.50 1.154 291.20 2279.50 1.153 291.04 2280.50 1.151 290.87 2281.50 1.149 290.70 2282.50 1.147 290.53 2283.50 1.145 290.36 2284.50 1.143 290.19
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:05:23 |