| WDS: | BU1125AB | WDS ID/Discoverer |
| P: | 253.000 | Orbital period (years) |
| a: | 0.772 | Semi-major axis (arcseconds) |
| i: | 45.3 | Inclination (degrees) |
| Ω: | 153.2 | Longitude of ascending node (degrees) |
| T: | 2028.490 | Epoch of periastron passage (year) |
| e: | 0.4896 | Eccentricity |
| ω: | 55.3 | Longitude of periastron (degrees) |
| Start-Year: | 1898.5 | Year |
| End-Year: | 2151.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1125AB |
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| Position: | 180145.19+011818.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18018+0118 | WDS designation |
| Discoverer Code: | BU1125AB | Discover designation and components |
| ADS number: | 10990 | Aitken Double Star catalog |
| HD number: | 164577 | HD catalog number |
| Hipparcos number: | 88290 | Hipparcos catalog number |
| V1: | 4.52 | Magnitude of the primary |
| V2: | 7.48 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2024 | 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: | Tok2024e | 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 0.340 189.13 -------------------------- 1898.50 0.944 16.59 1899.50 0.941 17.18 1900.50 0.938 17.76 1901.50 0.935 18.36 1902.50 0.932 18.96 1903.50 0.928 19.56 1904.50 0.925 20.16 1905.50 0.921 20.77 1906.50 0.918 21.39 1907.50 0.914 22.01 1908.50 0.910 22.63 1909.50 0.907 23.26 1910.50 0.903 23.90 1911.50 0.899 24.54 1912.50 0.895 25.19 1913.50 0.891 25.84 1914.50 0.887 26.50 1915.50 0.883 27.16 1916.50 0.879 27.83 1917.50 0.875 28.51 1918.50 0.871 29.19 1919.50 0.866 29.88 1920.50 0.862 30.58 1921.50 0.858 31.28 1922.50 0.853 31.99 1923.50 0.849 32.71 1924.50 0.844 33.43 1925.50 0.840 34.17 1926.50 0.835 34.91 1927.50 0.831 35.66 1928.50 0.826 36.41 1929.50 0.822 37.18 1930.50 0.817 37.96 1931.50 0.812 38.74 1932.50 0.808 39.53 1933.50 0.803 40.33 1934.50 0.799 41.14 1935.50 0.794 41.96 1936.50 0.789 42.79 1937.50 0.784 43.64 1938.50 0.780 44.49 1939.50 0.775 45.35 1940.50 0.770 46.22 1941.50 0.766 47.10 1942.50 0.761 47.99 1943.50 0.756 48.90 1944.50 0.751 49.81 1945.50 0.747 50.74 1946.50 0.742 51.68 1947.50 0.738 52.63 1948.50 0.733 53.59 1949.50 0.728 54.56 1950.50 0.724 55.55 1951.50 0.719 56.55 1952.50 0.715 57.56 1953.50 0.710 58.59 1954.50 0.706 59.63 1955.50 0.701 60.68 1956.50 0.697 61.74 1957.50 0.693 62.82 1958.50 0.688 63.91 1959.50 0.684 65.01 1960.50 0.680 66.13 1961.50 0.676 67.27 1962.50 0.671 68.41 1963.50 0.667 69.57 1964.50 0.663 70.75 1965.50 0.659 71.94 1966.50 0.656 73.14 1967.50 0.652 74.36 1968.50 0.648 75.59 1969.50 0.644 76.84 1970.50 0.641 78.10 1971.50 0.637 79.37 1972.50 0.633 80.66 1973.50 0.630 81.97 1974.50 0.626 83.28 1975.50 0.623 84.62 1976.50 0.620 85.96 1977.50 0.617 87.32 1978.50 0.613 88.70 1979.50 0.610 90.09 1980.50 0.607 91.49 1981.50 0.604 92.91 1982.50 0.601 94.34 1983.50 0.598 95.79 1984.50 0.595 97.25 1985.50 0.592 98.73 1986.50 0.589 100.22 1987.50 0.587 101.72 1988.50 0.584 103.24 1989.50 0.581 104.77 1990.50 0.578 106.32 1991.50 0.575 107.89 1992.50 0.572 109.47 1993.50 0.569 111.06 1994.50 0.566 112.68 1995.50 0.563 114.31 1996.50 0.560 115.96 1997.50 0.557 117.62 1998.50 0.554 119.31 1999.50 0.550 121.02 2000.50 0.547 122.75 2001.50 0.543 124.50 2002.50 0.539 126.28 2003.50 0.535 128.08 2004.50 0.530 129.91 2005.50 0.526 131.78 2006.50 0.521 133.68 2007.50 0.516 135.62 2008.50 0.510 137.59 2009.50 0.504 139.62 2010.50 0.498 141.69 2011.50 0.491 143.82 2012.50 0.484 146.00 2013.50 0.476 148.26 2014.50 0.468 150.59 2015.50 0.460 153.01 2016.50 0.451 155.52 2017.50 0.441 158.13 2018.50 0.431 160.87 2019.50 0.421 163.74 2020.50 0.410 166.75 2021.50 0.398 169.94 2022.50 0.387 173.31 2023.50 0.375 176.90 2024.50 0.363 180.71 2025.50 0.352 184.78 2026.50 0.340 189.13 2027.50 0.330 193.76 2028.50 0.320 198.70 2029.50 0.311 203.94 2030.50 0.303 209.47 2031.50 0.297 215.26 2032.50 0.293 221.25 2033.50 0.290 227.38 2034.50 0.290 233.55 2035.50 0.292 239.70 2036.50 0.296 245.71 2037.50 0.303 251.52 2038.50 0.311 257.06 2039.50 0.320 262.29 2040.50 0.332 267.19 2041.50 0.344 271.75 2042.50 0.357 275.99 2043.50 0.372 279.90 2044.50 0.387 283.53 2045.50 0.402 286.87 2046.50 0.418 289.97 2047.50 0.434 292.84 2048.50 0.450 295.51 2049.50 0.466 297.99 2050.50 0.482 300.30 2051.50 0.498 302.47 2052.50 0.514 304.50 2053.50 0.530 306.41 2054.50 0.545 308.21 2055.50 0.561 309.91 2056.50 0.576 311.52 2057.50 0.590 313.06 2058.50 0.605 314.51 2059.50 0.619 315.90 2060.50 0.633 317.23 2061.50 0.646 318.50 2062.50 0.660 319.72 2063.50 0.673 320.89 2064.50 0.685 322.02 2065.50 0.698 323.11 2066.50 0.710 324.16 2067.50 0.721 325.17 2068.50 0.733 326.16 2069.50 0.744 327.11 2070.50 0.754 328.04 2071.50 0.765 328.94 2072.50 0.775 329.82 2073.50 0.785 330.67 2074.50 0.795 331.51 2075.50 0.804 332.32 2076.50 0.813 333.12 2077.50 0.822 333.90 2078.50 0.830 334.66 2079.50 0.838 335.41 2080.50 0.846 336.14 2081.50 0.854 336.86 2082.50 0.861 337.57 2083.50 0.868 338.26 2084.50 0.875 338.95 2085.50 0.882 339.62 2086.50 0.889 340.28 2087.50 0.895 340.94 2088.50 0.901 341.58 2089.50 0.907 342.22 2090.50 0.912 342.85 2091.50 0.917 343.47 2092.50 0.922 344.09 2093.50 0.927 344.69 2094.50 0.932 345.30 2095.50 0.937 345.89 2096.50 0.941 346.48 2097.50 0.945 347.07 2098.50 0.949 347.65 2099.50 0.953 348.22 2100.50 0.956 348.79 2101.50 0.959 349.36 2102.50 0.962 349.92 2103.50 0.965 350.48 2104.50 0.968 351.04 2105.50 0.971 351.59 2106.50 0.973 352.14 2107.50 0.976 352.69 2108.50 0.978 353.24 2109.50 0.980 353.78 2110.50 0.981 354.32 2111.50 0.983 354.86 2112.50 0.985 355.40 2113.50 0.986 355.93 2114.50 0.987 356.47 2115.50 0.988 357.00 2116.50 0.989 357.53 2117.50 0.990 358.06 2118.50 0.990 358.59 2119.50 0.991 359.12 2120.50 0.991 359.65 2121.50 0.991 0.18 2122.50 0.991 0.71 2123.50 0.991 1.24 2124.50 0.991 1.77 2125.50 0.991 2.30 2126.50 0.990 2.83 2127.50 0.990 3.36 2128.50 0.989 3.89 2129.50 0.988 4.43 2130.50 0.987 4.96 2131.50 0.986 5.49 2132.50 0.985 6.03 2133.50 0.984 6.56 2134.50 0.983 7.10 2135.50 0.981 7.64 2136.50 0.979 8.18 2137.50 0.978 8.73 2138.50 0.976 9.27 2139.50 0.974 9.82 2140.50 0.972 10.37 2141.50 0.970 10.92 2142.50 0.968 11.47 2143.50 0.966 12.03 2144.50 0.963 12.59 2145.50 0.961 13.15 2146.50 0.958 13.72 2147.50 0.956 14.28 2148.50 0.953 14.86 2149.50 0.950 15.43 2150.50 0.947 16.01
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:46:26 |