| WDS: | BU79AB | WDS ID/Discoverer |
| P: | 302.000 | Orbital period (years) |
| a: | 1.32 | Semi-major axis (arcseconds) |
| i: | 123.6 | Inclination (degrees) |
| Ω: | 172.8 | Longitude of ascending node (degrees) |
| T: | 2112.000 | Epoch of periastron passage (year) |
| e: | 0.451 | Eccentricity |
| ω: | 303.0 | Longitude of periastron (degrees) |
| Start-Year: | 1874.0 | Year |
| End-Year: | 2176.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU79AB |
||
| Position: | 231737.61-013118.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23176-0131 | WDS designation |
| Discoverer Code: | BU79AB | Discover designation and components |
| ADS number: | 16649 | Aitken Double Star catalog |
| HD number: | 219657 | HD catalog number |
| Hipparcos number: | 115012 | Hipparcos catalog number |
| V1: | 8.23 | Magnitude of the primary |
| V2: | 9.59 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2003 | 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: | WSI2004b | 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 1.577 4.43 -------------------------- 1874.00 0.899 116.53 1875.00 0.898 115.26 1876.00 0.897 113.99 1877.00 0.896 112.71 1878.00 0.895 111.43 1879.00 0.895 110.15 1880.00 0.894 108.87 1881.00 0.894 107.58 1882.00 0.894 106.30 1883.00 0.895 105.02 1884.00 0.895 103.74 1885.00 0.896 102.46 1886.00 0.897 101.18 1887.00 0.898 99.91 1888.00 0.899 98.64 1889.00 0.901 97.37 1890.00 0.903 96.11 1891.00 0.905 94.85 1892.00 0.907 93.60 1893.00 0.909 92.36 1894.00 0.912 91.12 1895.00 0.915 89.89 1896.00 0.918 88.67 1897.00 0.921 87.46 1898.00 0.925 86.25 1899.00 0.928 85.06 1900.00 0.932 83.87 1901.00 0.936 82.70 1902.00 0.941 81.53 1903.00 0.945 80.38 1904.00 0.950 79.23 1905.00 0.955 78.10 1906.00 0.960 76.98 1907.00 0.965 75.87 1908.00 0.970 74.78 1909.00 0.976 73.69 1910.00 0.982 72.62 1911.00 0.987 71.57 1912.00 0.994 70.52 1913.00 1.000 69.49 1914.00 1.006 68.47 1915.00 1.013 67.46 1916.00 1.019 66.47 1917.00 1.026 65.48 1918.00 1.033 64.52 1919.00 1.040 63.56 1920.00 1.047 62.62 1921.00 1.054 61.69 1922.00 1.061 60.77 1923.00 1.069 59.87 1924.00 1.076 58.97 1925.00 1.084 58.09 1926.00 1.091 57.23 1927.00 1.099 56.37 1928.00 1.107 55.53 1929.00 1.114 54.69 1930.00 1.122 53.87 1931.00 1.130 53.07 1932.00 1.138 52.27 1933.00 1.146 51.48 1934.00 1.154 50.71 1935.00 1.162 49.94 1936.00 1.171 49.19 1937.00 1.179 48.45 1938.00 1.187 47.71 1939.00 1.195 46.99 1940.00 1.203 46.28 1941.00 1.211 45.57 1942.00 1.220 44.88 1943.00 1.228 44.19 1944.00 1.236 43.52 1945.00 1.244 42.85 1946.00 1.252 42.19 1947.00 1.260 41.54 1948.00 1.269 40.90 1949.00 1.277 40.27 1950.00 1.285 39.64 1951.00 1.293 39.02 1952.00 1.301 38.41 1953.00 1.309 37.81 1954.00 1.317 37.21 1955.00 1.325 36.63 1956.00 1.332 36.04 1957.00 1.340 35.47 1958.00 1.348 34.90 1959.00 1.355 34.34 1960.00 1.363 33.79 1961.00 1.371 33.24 1962.00 1.378 32.69 1963.00 1.385 32.16 1964.00 1.393 31.62 1965.00 1.400 31.10 1966.00 1.407 30.58 1967.00 1.414 30.06 1968.00 1.421 29.55 1969.00 1.428 29.04 1970.00 1.435 28.54 1971.00 1.441 28.05 1972.00 1.448 27.56 1973.00 1.454 27.07 1974.00 1.461 26.59 1975.00 1.467 26.11 1976.00 1.473 25.63 1977.00 1.479 25.16 1978.00 1.485 24.70 1979.00 1.491 24.23 1980.00 1.497 23.77 1981.00 1.502 23.32 1982.00 1.508 22.86 1983.00 1.513 22.41 1984.00 1.518 21.97 1985.00 1.523 21.52 1986.00 1.528 21.08 1987.00 1.533 20.64 1988.00 1.538 20.21 1989.00 1.542 19.78 1990.00 1.546 19.35 1991.00 1.551 18.92 1992.00 1.555 18.49 1993.00 1.558 18.07 1994.00 1.562 17.65 1995.00 1.566 17.23 1996.00 1.569 16.81 1997.00 1.572 16.40 1998.00 1.575 15.98 1999.00 1.578 15.57 2000.00 1.581 15.16 2001.00 1.583 14.75 2002.00 1.586 14.34 2003.00 1.588 13.93 2004.00 1.590 13.53 2005.00 1.592 13.12 2006.00 1.593 12.72 2007.00 1.595 12.31 2008.00 1.596 11.91 2009.00 1.597 11.51 2010.00 1.597 11.10 2011.00 1.598 10.70 2012.00 1.598 10.30 2013.00 1.599 9.90 2014.00 1.598 9.50 2015.00 1.598 9.10 2016.00 1.598 8.69 2017.00 1.597 8.29 2018.00 1.596 7.89 2019.00 1.595 7.49 2020.00 1.593 7.08 2021.00 1.591 6.68 2022.00 1.589 6.27 2023.00 1.587 5.87 2024.00 1.585 5.46 2025.00 1.582 5.05 2026.00 1.579 4.64 2027.00 1.576 4.23 2028.00 1.572 3.81 2029.00 1.568 3.39 2030.00 1.564 2.98 2031.00 1.560 2.56 2032.00 1.555 2.13 2033.00 1.550 1.71 2034.00 1.545 1.28 2035.00 1.539 0.85 2036.00 1.534 0.41 2037.00 1.527 359.98 2038.00 1.521 359.53 2039.00 1.514 359.09 2040.00 1.507 358.64 2041.00 1.500 358.19 2042.00 1.492 357.73 2043.00 1.484 357.26 2044.00 1.475 356.79 2045.00 1.466 356.32 2046.00 1.457 355.84 2047.00 1.448 355.35 2048.00 1.438 354.86 2049.00 1.427 354.36 2050.00 1.417 353.85 2051.00 1.406 353.34 2052.00 1.394 352.81 2053.00 1.382 352.28 2054.00 1.370 351.74 2055.00 1.358 351.19 2056.00 1.345 350.63 2057.00 1.331 350.05 2058.00 1.317 349.47 2059.00 1.303 348.87 2060.00 1.288 348.26 2061.00 1.273 347.63 2062.00 1.257 346.99 2063.00 1.241 346.34 2064.00 1.225 345.66 2065.00 1.208 344.97 2066.00 1.190 344.25 2067.00 1.172 343.52 2068.00 1.154 342.76 2069.00 1.135 341.98 2070.00 1.116 341.17 2071.00 1.096 340.33 2072.00 1.076 339.46 2073.00 1.055 338.56 2074.00 1.034 337.62 2075.00 1.012 336.64 2076.00 0.990 335.61 2077.00 0.968 334.54 2078.00 0.945 333.42 2079.00 0.922 332.24 2080.00 0.898 331.00 2081.00 0.874 329.70 2082.00 0.849 328.31 2083.00 0.824 326.85 2084.00 0.799 325.29 2085.00 0.774 323.63 2086.00 0.748 321.86 2087.00 0.723 319.96 2088.00 0.697 317.93 2089.00 0.671 315.73 2090.00 0.646 313.37 2091.00 0.621 310.81 2092.00 0.596 308.04 2093.00 0.572 305.03 2094.00 0.549 301.76 2095.00 0.526 298.20 2096.00 0.505 294.35 2097.00 0.486 290.17 2098.00 0.469 285.66 2099.00 0.453 280.83 2100.00 0.440 275.68 2101.00 0.431 270.27 2102.00 0.424 264.64 2103.00 0.420 258.87 2104.00 0.420 253.04 2105.00 0.423 247.26 2106.00 0.429 241.61 2107.00 0.439 236.15 2108.00 0.451 230.96 2109.00 0.465 226.06 2110.00 0.481 221.47 2111.00 0.499 217.20 2112.00 0.519 213.24 2113.00 0.539 209.56 2114.00 0.560 206.16 2115.00 0.581 203.00 2116.00 0.602 200.07 2117.00 0.623 197.34 2118.00 0.645 194.78 2119.00 0.665 192.39 2120.00 0.685 190.14 2121.00 0.705 188.02 2122.00 0.724 186.01 2123.00 0.742 184.10 2124.00 0.759 182.28 2125.00 0.776 180.54 2126.00 0.791 178.86 2127.00 0.806 177.26 2128.00 0.820 175.70 2129.00 0.833 174.20 2130.00 0.845 172.74 2131.00 0.856 171.32 2132.00 0.866 169.94 2133.00 0.876 168.59 2134.00 0.884 167.26 2135.00 0.892 165.96 2136.00 0.899 164.68 2137.00 0.906 163.42 2138.00 0.912 162.18 2139.00 0.917 160.96 2140.00 0.921 159.74 2141.00 0.925 158.54 2142.00 0.929 157.35 2143.00 0.932 156.16 2144.00 0.934 154.98 2145.00 0.936 153.81 2146.00 0.938 152.64 2147.00 0.939 151.47 2148.00 0.939 150.31 2149.00 0.940 149.15 2150.00 0.940 147.99 2151.00 0.940 146.83 2152.00 0.939 145.66 2153.00 0.938 144.50 2154.00 0.937 143.33 2155.00 0.936 142.16 2156.00 0.935 140.99 2157.00 0.933 139.81 2158.00 0.932 138.63 2159.00 0.930 137.45 2160.00 0.928 136.26 2161.00 0.926 135.07 2162.00 0.924 133.87 2163.00 0.922 132.66 2164.00 0.920 131.45 2165.00 0.918 130.24 2166.00 0.916 129.02 2167.00 0.914 127.79 2168.00 0.912 126.56 2169.00 0.910 125.32 2170.00 0.908 124.08 2171.00 0.906 122.84 2172.00 0.904 121.58 2173.00 0.903 120.33 2174.00 0.901 119.07 2175.00 0.900 117.80
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:49:32 |