| WDS: | AC2AB | WDS ID/Discoverer |
| P: | 385.879 | Orbital period (years) |
| a: | 1.17441 | Semi-major axis (arcseconds) |
| i: | 64.035 | Inclination (degrees) |
| Ω: | 68.018 | Longitude of ascending node (degrees) |
| T: | 1889.510 | Epoch of periastron passage (year) |
| e: | 0.21372 | Eccentricity |
| ω: | 69.87 | Longitude of periastron (degrees) |
| Start-Year: | 1832.0606 | Year |
| End-Year: | 2217.9394 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for AC2AB |
||
| Position: | 031822.43-005549.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03184-0056 | WDS designation |
| Discoverer Code: | AC2AB | Discover designation and components |
| ADS number: | 2459 | Aitken Double Star catalog |
| HD number: | 20559 | HD catalog number |
| Hipparcos number: | 15383 | Hipparcos catalog number |
| V1: | 5.60 | Magnitude of the primary |
| V2: | 7.97 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Izm2019 | 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 1.171 264.51 -------------------------- 1832.06 1.061 65.17 1833.06 1.059 65.65 1834.06 1.057 66.15 1835.06 1.054 66.64 1836.06 1.050 67.14 1837.06 1.047 67.64 1838.06 1.043 68.14 1839.06 1.039 68.65 1840.06 1.034 69.16 1841.06 1.030 69.68 1842.06 1.024 70.20 1843.06 1.019 70.73 1844.06 1.013 71.26 1845.06 1.007 71.80 1846.06 1.001 72.35 1847.06 0.994 72.90 1848.06 0.987 73.46 1849.06 0.980 74.03 1850.06 0.972 74.61 1851.06 0.964 75.19 1852.06 0.956 75.79 1853.06 0.947 76.40 1854.06 0.938 77.02 1855.06 0.929 77.65 1856.06 0.919 78.30 1857.06 0.909 78.95 1858.06 0.899 79.63 1859.06 0.889 80.32 1860.06 0.878 81.02 1861.06 0.867 81.74 1862.06 0.856 82.48 1863.06 0.844 83.25 1864.06 0.832 84.03 1865.06 0.820 84.84 1866.06 0.808 85.67 1867.06 0.796 86.52 1868.06 0.783 87.41 1869.06 0.770 88.32 1870.06 0.757 89.26 1871.06 0.743 90.24 1872.06 0.730 91.26 1873.06 0.716 92.31 1874.06 0.703 93.40 1875.06 0.689 94.54 1876.06 0.675 95.72 1877.06 0.661 96.96 1878.06 0.647 98.24 1879.06 0.633 99.59 1880.06 0.619 100.99 1881.06 0.605 102.46 1882.06 0.591 104.00 1883.06 0.577 105.61 1884.06 0.564 107.30 1885.06 0.551 109.08 1886.06 0.538 110.94 1887.06 0.525 112.89 1888.06 0.512 114.94 1889.06 0.500 117.08 1890.06 0.489 119.33 1891.06 0.478 121.69 1892.06 0.467 124.16 1893.06 0.458 126.73 1894.06 0.448 129.42 1895.06 0.440 132.20 1896.06 0.433 135.10 1897.06 0.426 138.08 1898.06 0.421 141.15 1899.06 0.416 144.30 1900.06 0.412 147.51 1901.06 0.410 150.76 1902.06 0.409 154.05 1903.06 0.409 157.35 1904.06 0.410 160.64 1905.06 0.412 163.90 1906.06 0.415 167.13 1907.06 0.419 170.29 1908.06 0.424 173.39 1909.06 0.431 176.40 1910.06 0.438 179.32 1911.06 0.446 182.14 1912.06 0.455 184.85 1913.06 0.465 187.45 1914.06 0.475 189.95 1915.06 0.486 192.33 1916.06 0.498 194.61 1917.06 0.510 196.78 1918.06 0.522 198.85 1919.06 0.535 200.82 1920.06 0.548 202.69 1921.06 0.562 204.48 1922.06 0.576 206.18 1923.06 0.590 207.80 1924.06 0.604 209.35 1925.06 0.618 210.82 1926.06 0.633 212.23 1927.06 0.647 213.57 1928.06 0.662 214.86 1929.06 0.677 216.08 1930.06 0.691 217.26 1931.06 0.706 218.39 1932.06 0.721 219.47 1933.06 0.735 220.51 1934.06 0.750 221.51 1935.06 0.764 222.47 1936.06 0.778 223.40 1937.06 0.792 224.29 1938.06 0.806 225.15 1939.06 0.820 225.98 1940.06 0.834 226.78 1941.06 0.848 227.56 1942.06 0.861 228.32 1943.06 0.874 229.05 1944.06 0.887 229.76 1945.06 0.900 230.45 1946.06 0.913 231.12 1947.06 0.925 231.77 1948.06 0.938 232.40 1949.06 0.950 233.02 1950.06 0.962 233.62 1951.06 0.973 234.21 1952.06 0.985 234.78 1953.06 0.996 235.34 1954.06 1.007 235.89 1955.06 1.017 236.43 1956.06 1.028 236.96 1957.06 1.038 237.47 1958.06 1.048 237.98 1959.06 1.058 238.48 1960.06 1.067 238.96 1961.06 1.076 239.44 1962.06 1.085 239.91 1963.06 1.094 240.38 1964.06 1.102 240.83 1965.06 1.110 241.28 1966.06 1.118 241.73 1967.06 1.126 242.16 1968.06 1.134 242.60 1969.06 1.141 243.02 1970.06 1.148 243.44 1971.06 1.154 243.86 1972.06 1.161 244.27 1973.06 1.167 244.67 1974.06 1.173 245.08 1975.06 1.179 245.47 1976.06 1.184 245.87 1977.06 1.189 246.26 1978.06 1.194 246.65 1979.06 1.199 247.03 1980.06 1.203 247.41 1981.06 1.207 247.79 1982.06 1.211 248.17 1983.06 1.215 248.54 1984.06 1.218 248.91 1985.06 1.222 249.28 1986.06 1.225 249.65 1987.06 1.227 250.02 1988.06 1.230 250.38 1989.06 1.232 250.75 1990.06 1.234 251.11 1991.06 1.236 251.47 1992.06 1.238 251.83 1993.06 1.239 252.19 1994.06 1.240 252.54 1995.06 1.241 252.90 1996.06 1.242 253.26 1997.06 1.243 253.61 1998.06 1.243 253.97 1999.06 1.243 254.33 2000.06 1.243 254.68 2001.06 1.243 255.04 2002.06 1.242 255.40 2003.06 1.241 255.75 2004.06 1.240 256.11 2005.06 1.239 256.47 2006.06 1.238 256.83 2007.06 1.236 257.19 2008.06 1.235 257.55 2009.06 1.233 257.91 2010.06 1.231 258.27 2011.06 1.228 258.64 2012.06 1.226 259.00 2013.06 1.223 259.37 2014.06 1.220 259.74 2015.06 1.217 260.11 2016.06 1.214 260.48 2017.06 1.211 260.85 2018.06 1.207 261.23 2019.06 1.204 261.61 2020.06 1.200 261.99 2021.06 1.196 262.37 2022.06 1.192 262.76 2023.06 1.187 263.15 2024.06 1.183 263.54 2025.06 1.178 263.94 2026.06 1.173 264.33 2027.06 1.168 264.74 2028.06 1.163 265.14 2029.06 1.158 265.55 2030.06 1.153 265.96 2031.06 1.147 266.38 2032.06 1.142 266.80 2033.06 1.136 267.22 2034.06 1.130 267.65 2035.06 1.124 268.08 2036.06 1.118 268.52 2037.06 1.112 268.96 2038.06 1.106 269.41 2039.06 1.099 269.86 2040.06 1.093 270.32 2041.06 1.086 270.79 2042.06 1.079 271.26 2043.06 1.072 271.73 2044.06 1.065 272.21 2045.06 1.058 272.70 2046.06 1.051 273.20 2047.06 1.044 273.70 2048.06 1.037 274.21 2049.06 1.029 274.72 2050.06 1.022 275.25 2051.06 1.014 275.78 2052.06 1.006 276.32 2053.06 0.999 276.86 2054.06 0.991 277.42 2055.06 0.983 277.99 2056.06 0.975 278.56 2057.06 0.967 279.14 2058.06 0.960 279.74 2059.06 0.952 280.34 2060.06 0.944 280.95 2061.06 0.935 281.57 2062.06 0.927 282.21 2063.06 0.919 282.85 2064.06 0.911 283.51 2065.06 0.903 284.18 2066.06 0.895 284.86 2067.06 0.887 285.56 2068.06 0.878 286.26 2069.06 0.870 286.98 2070.06 0.862 287.72 2071.06 0.854 288.46 2072.06 0.846 289.23 2073.06 0.838 290.00 2074.06 0.830 290.79 2075.06 0.822 291.60 2076.06 0.814 292.42 2077.06 0.806 293.26 2078.06 0.798 294.12 2079.06 0.790 294.99 2080.06 0.782 295.88 2081.06 0.775 296.79 2082.06 0.767 297.72 2083.06 0.760 298.66 2084.06 0.752 299.62 2085.06 0.745 300.61 2086.06 0.738 301.61 2087.06 0.731 302.63 2088.06 0.724 303.67 2089.06 0.717 304.73 2090.06 0.710 305.81 2091.06 0.704 306.91 2092.06 0.698 308.03 2093.06 0.691 309.17 2094.06 0.685 310.33 2095.06 0.680 311.52 2096.06 0.674 312.72 2097.06 0.669 313.94 2098.06 0.663 315.18 2099.06 0.658 316.44 2100.06 0.654 317.72 2101.06 0.649 319.02 2102.06 0.645 320.33 2103.06 0.641 321.66 2104.06 0.637 323.01 2105.06 0.633 324.38 2106.06 0.630 325.76 2107.06 0.627 327.15 2108.06 0.624 328.55 2109.06 0.622 329.97 2110.06 0.620 331.40 2111.06 0.618 332.83 2112.06 0.616 334.28 2113.06 0.615 335.73 2114.06 0.614 337.19 2115.06 0.614 338.65 2116.06 0.613 340.11 2117.06 0.613 341.57 2118.06 0.614 343.04 2119.06 0.614 344.50 2120.06 0.615 345.95 2121.06 0.616 347.41 2122.06 0.618 348.85 2123.06 0.619 350.29 2124.06 0.621 351.72 2125.06 0.624 353.14 2126.06 0.626 354.55 2127.06 0.629 355.95 2128.06 0.632 357.33 2129.06 0.636 358.70 2130.06 0.639 0.06 2131.06 0.643 1.39 2132.06 0.647 2.72 2133.06 0.652 4.02 2134.06 0.656 5.31 2135.06 0.661 6.57 2136.06 0.666 7.82 2137.06 0.671 9.05 2138.06 0.677 10.26 2139.06 0.683 11.46 2140.06 0.688 12.63 2141.06 0.694 13.78 2142.06 0.700 14.91 2143.06 0.707 16.02 2144.06 0.713 17.12 2145.06 0.719 18.19 2146.06 0.726 19.24 2147.06 0.733 20.28 2148.06 0.740 21.29 2149.06 0.746 22.29 2150.06 0.754 23.27 2151.06 0.761 24.23 2152.06 0.768 25.17 2153.06 0.775 26.10 2154.06 0.782 27.00 2155.06 0.790 27.89 2156.06 0.797 28.77 2157.06 0.804 29.63 2158.06 0.812 30.47 2159.06 0.819 31.30 2160.06 0.826 32.11 2161.06 0.834 32.91 2162.06 0.841 33.70 2163.06 0.849 34.47 2164.06 0.856 35.22 2165.06 0.863 35.97 2166.06 0.871 36.70 2167.06 0.878 37.42 2168.06 0.885 38.13 2169.06 0.892 38.83 2170.06 0.899 39.51 2171.06 0.906 40.19 2172.06 0.913 40.85 2173.06 0.920 41.51 2174.06 0.927 42.15 2175.06 0.934 42.79 2176.06 0.940 43.41 2177.06 0.947 44.03 2178.06 0.953 44.64 2179.06 0.960 45.24 2180.06 0.966 45.84 2181.06 0.972 46.42 2182.06 0.978 47.00 2183.06 0.984 47.57 2184.06 0.989 48.14 2185.06 0.995 48.70 2186.06 1.000 49.25 2187.06 1.005 49.80 2188.06 1.010 50.34 2189.06 1.015 50.88 2190.06 1.020 51.41 2191.06 1.024 51.94 2192.06 1.029 52.46 2193.06 1.033 52.98 2194.06 1.037 53.49 2195.06 1.040 54.00 2196.06 1.044 54.51 2197.06 1.047 55.01 2198.06 1.050 55.51 2199.06 1.053 56.01 2200.06 1.056 56.50 2201.06 1.058 57.00 2202.06 1.061 57.49 2203.06 1.063 57.97 2204.06 1.064 58.46 2205.06 1.066 58.95 2206.06 1.067 59.43 2207.06 1.068 59.91 2208.06 1.069 60.39 2209.06 1.069 60.88 2210.06 1.070 61.36 2211.06 1.070 61.84 2212.06 1.069 62.32 2213.06 1.069 62.80 2214.06 1.068 63.28 2215.06 1.066 63.77 2216.06 1.065 64.25 2217.06 1.063 64.74
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 15:09:32 |