| WDS: | BU25 | WDS ID/Discoverer |
| P: | 475.000 | Orbital period (years) |
| a: | 1.28 | Semi-major axis (arcseconds) |
| i: | 170.0 | Inclination (degrees) |
| Ω: | 250.6 | Longitude of ascending node (degrees) |
| T: | 2152.800 | Epoch of periastron passage (year) |
| e: | 0.409 | Eccentricity |
| ω: | 262.3 | Longitude of periastron (degrees) |
| Start-Year: | 1787.5 | Year |
| End-Year: | 2262.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU25 |
||
| Position: | 102143.46-094625.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10217-0946 | WDS designation |
| Discoverer Code: | BU25 | Discover designation and components |
| ADS number: | 7738 | Aitken Double Star catalog |
| HD number: | 89795 | HD catalog number |
| Hipparcos number: | 50747 | Hipparcos catalog number |
| V1: | 8.41 | Magnitude of the primary |
| V2: | 8.96 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2019 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2020i | 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 1.500 124.33 -------------------------- 1787.50 1.416 220.95 1788.50 1.422 220.40 1789.50 1.428 219.85 1790.50 1.433 219.30 1791.50 1.439 218.76 1792.50 1.445 218.23 1793.50 1.450 217.69 1794.50 1.456 217.16 1795.50 1.461 216.64 1796.50 1.467 216.12 1797.50 1.472 215.60 1798.50 1.477 215.09 1799.50 1.482 214.58 1800.50 1.488 214.07 1801.50 1.493 213.57 1802.50 1.498 213.07 1803.50 1.503 212.58 1804.50 1.508 212.08 1805.50 1.513 211.59 1806.50 1.518 211.11 1807.50 1.523 210.63 1808.50 1.528 210.15 1809.50 1.532 209.67 1810.50 1.537 209.20 1811.50 1.542 208.72 1812.50 1.546 208.26 1813.50 1.551 207.79 1814.50 1.555 207.33 1815.50 1.560 206.87 1816.50 1.564 206.41 1817.50 1.569 205.96 1818.50 1.573 205.50 1819.50 1.577 205.05 1820.50 1.582 204.61 1821.50 1.586 204.16 1822.50 1.590 203.72 1823.50 1.594 203.28 1824.50 1.598 202.84 1825.50 1.602 202.41 1826.50 1.606 201.97 1827.50 1.610 201.54 1828.50 1.614 201.11 1829.50 1.618 200.68 1830.50 1.621 200.26 1831.50 1.625 199.83 1832.50 1.629 199.41 1833.50 1.633 198.99 1834.50 1.636 198.58 1835.50 1.640 198.16 1836.50 1.643 197.75 1837.50 1.647 197.33 1838.50 1.650 196.92 1839.50 1.653 196.51 1840.50 1.657 196.11 1841.50 1.660 195.70 1842.50 1.663 195.30 1843.50 1.666 194.89 1844.50 1.669 194.49 1845.50 1.673 194.09 1846.50 1.676 193.69 1847.50 1.679 193.30 1848.50 1.681 192.90 1849.50 1.684 192.51 1850.50 1.687 192.12 1851.50 1.690 191.72 1852.50 1.693 191.33 1853.50 1.696 190.95 1854.50 1.698 190.56 1855.50 1.701 190.17 1856.50 1.703 189.79 1857.50 1.706 189.40 1858.50 1.708 189.02 1859.50 1.711 188.64 1860.50 1.713 188.26 1861.50 1.716 187.88 1862.50 1.718 187.50 1863.50 1.720 187.12 1864.50 1.722 186.74 1865.50 1.725 186.37 1866.50 1.727 185.99 1867.50 1.729 185.62 1868.50 1.731 185.25 1869.50 1.733 184.88 1870.50 1.735 184.50 1871.50 1.737 184.13 1872.50 1.738 183.76 1873.50 1.740 183.40 1874.50 1.742 183.03 1875.50 1.744 182.66 1876.50 1.745 182.29 1877.50 1.747 181.93 1878.50 1.749 181.56 1879.50 1.750 181.20 1880.50 1.752 180.83 1881.50 1.753 180.47 1882.50 1.755 180.11 1883.50 1.756 179.74 1884.50 1.757 179.38 1885.50 1.759 179.02 1886.50 1.760 178.66 1887.50 1.761 178.30 1888.50 1.762 177.94 1889.50 1.763 177.58 1890.50 1.764 177.22 1891.50 1.765 176.87 1892.50 1.766 176.51 1893.50 1.767 176.15 1894.50 1.768 175.79 1895.50 1.769 175.44 1896.50 1.770 175.08 1897.50 1.771 174.72 1898.50 1.771 174.37 1899.50 1.772 174.01 1900.50 1.773 173.66 1901.50 1.773 173.30 1902.50 1.774 172.95 1903.50 1.774 172.59 1904.50 1.775 172.24 1905.50 1.775 171.88 1906.50 1.775 171.53 1907.50 1.776 171.18 1908.50 1.776 170.82 1909.50 1.776 170.47 1910.50 1.776 170.11 1911.50 1.776 169.76 1912.50 1.777 169.41 1913.50 1.777 169.05 1914.50 1.777 168.70 1915.50 1.777 168.35 1916.50 1.777 167.99 1917.50 1.776 167.64 1918.50 1.776 167.29 1919.50 1.776 166.93 1920.50 1.776 166.58 1921.50 1.776 166.22 1922.50 1.775 165.87 1923.50 1.775 165.52 1924.50 1.774 165.16 1925.50 1.774 164.81 1926.50 1.773 164.45 1927.50 1.773 164.10 1928.50 1.772 163.74 1929.50 1.772 163.39 1930.50 1.771 163.03 1931.50 1.770 162.68 1932.50 1.769 162.32 1933.50 1.769 161.96 1934.50 1.768 161.61 1935.50 1.767 161.25 1936.50 1.766 160.89 1937.50 1.765 160.53 1938.50 1.764 160.17 1939.50 1.763 159.82 1940.50 1.762 159.46 1941.50 1.761 159.10 1942.50 1.759 158.74 1943.50 1.758 158.38 1944.50 1.757 158.01 1945.50 1.755 157.65 1946.50 1.754 157.29 1947.50 1.753 156.93 1948.50 1.751 156.56 1949.50 1.750 156.20 1950.50 1.748 155.83 1951.50 1.747 155.47 1952.50 1.745 155.10 1953.50 1.743 154.74 1954.50 1.741 154.37 1955.50 1.740 154.00 1956.50 1.738 153.63 1957.50 1.736 153.26 1958.50 1.734 152.89 1959.50 1.732 152.52 1960.50 1.730 152.15 1961.50 1.728 151.77 1962.50 1.726 151.40 1963.50 1.724 151.02 1964.50 1.722 150.65 1965.50 1.720 150.27 1966.50 1.717 149.89 1967.50 1.715 149.51 1968.50 1.713 149.13 1969.50 1.710 148.75 1970.50 1.708 148.37 1971.50 1.705 147.99 1972.50 1.703 147.60 1973.50 1.700 147.22 1974.50 1.698 146.83 1975.50 1.695 146.44 1976.50 1.692 146.05 1977.50 1.690 145.66 1978.50 1.687 145.27 1979.50 1.684 144.88 1980.50 1.681 144.49 1981.50 1.678 144.09 1982.50 1.675 143.69 1983.50 1.672 143.29 1984.50 1.669 142.89 1985.50 1.666 142.49 1986.50 1.663 142.09 1987.50 1.660 141.69 1988.50 1.656 141.28 1989.50 1.653 140.87 1990.50 1.650 140.46 1991.50 1.646 140.05 1992.50 1.643 139.64 1993.50 1.640 139.23 1994.50 1.636 138.81 1995.50 1.632 138.39 1996.50 1.629 137.97 1997.50 1.625 137.55 1998.50 1.622 137.13 1999.50 1.618 136.70 2000.50 1.614 136.27 2001.50 1.610 135.85 2002.50 1.606 135.41 2003.50 1.602 134.98 2004.50 1.599 134.55 2005.50 1.594 134.11 2006.50 1.590 133.67 2007.50 1.586 133.22 2008.50 1.582 132.78 2009.50 1.578 132.33 2010.50 1.574 131.88 2011.50 1.570 131.43 2012.50 1.565 130.98 2013.50 1.561 130.52 2014.50 1.556 130.06 2015.50 1.552 129.60 2016.50 1.547 129.14 2017.50 1.543 128.67 2018.50 1.538 128.20 2019.50 1.534 127.72 2020.50 1.529 127.25 2021.50 1.524 126.77 2022.50 1.519 126.29 2023.50 1.515 125.80 2024.50 1.510 125.32 2025.50 1.505 124.82 2026.50 1.500 124.33 2027.50 1.495 123.83 2028.50 1.490 123.33 2029.50 1.485 122.83 2030.50 1.480 122.32 2031.50 1.474 121.81 2032.50 1.469 121.29 2033.50 1.464 120.77 2034.50 1.458 120.25 2035.50 1.453 119.72 2036.50 1.448 119.19 2037.50 1.442 118.66 2038.50 1.437 118.12 2039.50 1.431 117.58 2040.50 1.426 117.03 2041.50 1.420 116.48 2042.50 1.414 115.92 2043.50 1.408 115.36 2044.50 1.403 114.80 2045.50 1.397 114.23 2046.50 1.391 113.65 2047.50 1.385 113.07 2048.50 1.379 112.49 2049.50 1.373 111.90 2050.50 1.367 111.31 2051.50 1.361 110.71 2052.50 1.355 110.10 2053.50 1.349 109.49 2054.50 1.342 108.87 2055.50 1.336 108.25 2056.50 1.330 107.62 2057.50 1.323 106.99 2058.50 1.317 106.35 2059.50 1.311 105.70 2060.50 1.304 105.05 2061.50 1.298 104.39 2062.50 1.291 103.73 2063.50 1.284 103.05 2064.50 1.278 102.37 2065.50 1.271 101.69 2066.50 1.264 100.99 2067.50 1.258 100.29 2068.50 1.251 99.58 2069.50 1.244 98.86 2070.50 1.237 98.14 2071.50 1.230 97.40 2072.50 1.223 96.66 2073.50 1.216 95.91 2074.50 1.209 95.15 2075.50 1.202 94.39 2076.50 1.195 93.61 2077.50 1.188 92.82 2078.50 1.181 92.03 2079.50 1.174 91.22 2080.50 1.166 90.41 2081.50 1.159 89.58 2082.50 1.152 88.74 2083.50 1.144 87.90 2084.50 1.137 87.04 2085.50 1.130 86.17 2086.50 1.122 85.29 2087.50 1.115 84.40 2088.50 1.108 83.50 2089.50 1.100 82.58 2090.50 1.093 81.65 2091.50 1.085 80.71 2092.50 1.078 79.76 2093.50 1.070 78.79 2094.50 1.063 77.81 2095.50 1.055 76.81 2096.50 1.048 75.80 2097.50 1.040 74.78 2098.50 1.033 73.74 2099.50 1.025 72.69 2100.50 1.018 71.62 2101.50 1.010 70.53 2102.50 1.003 69.43 2103.50 0.995 68.31 2104.50 0.988 67.18 2105.50 0.980 66.02 2106.50 0.973 64.85 2107.50 0.965 63.66 2108.50 0.958 62.46 2109.50 0.950 61.23 2110.50 0.943 59.99 2111.50 0.936 58.72 2112.50 0.929 57.44 2113.50 0.921 56.13 2114.50 0.914 54.81 2115.50 0.907 53.46 2116.50 0.900 52.10 2117.50 0.893 50.71 2118.50 0.886 49.30 2119.50 0.880 47.87 2120.50 0.873 46.41 2121.50 0.866 44.94 2122.50 0.860 43.44 2123.50 0.853 41.92 2124.50 0.847 40.37 2125.50 0.841 38.80 2126.50 0.835 37.21 2127.50 0.829 35.60 2128.50 0.823 33.97 2129.50 0.817 32.31 2130.50 0.812 30.63 2131.50 0.807 28.92 2132.50 0.801 27.20 2133.50 0.796 25.45 2134.50 0.792 23.68 2135.50 0.787 21.89 2136.50 0.783 20.08 2137.50 0.779 18.24 2138.50 0.775 16.39 2139.50 0.771 14.52 2140.50 0.767 12.64 2141.50 0.764 10.73 2142.50 0.761 8.82 2143.50 0.758 6.88 2144.50 0.756 4.93 2145.50 0.753 2.97 2146.50 0.751 1.00 2147.50 0.750 359.02 2148.50 0.748 357.03 2149.50 0.747 355.04 2150.50 0.746 353.03 2151.50 0.746 351.03 2152.50 0.745 349.02 2153.50 0.745 347.01 2154.50 0.745 345.00 2155.50 0.746 342.99 2156.50 0.747 340.99 2157.50 0.748 338.99 2158.50 0.749 337.00 2159.50 0.751 335.02 2160.50 0.753 333.04 2161.50 0.755 331.08 2162.50 0.757 329.13 2163.50 0.760 327.19 2164.50 0.763 325.27 2165.50 0.766 323.36 2166.50 0.770 321.47 2167.50 0.773 319.59 2168.50 0.777 317.74 2169.50 0.782 315.90 2170.50 0.786 314.08 2171.50 0.791 312.29 2172.50 0.795 310.51 2173.50 0.800 308.76 2174.50 0.805 307.03 2175.50 0.811 305.32 2176.50 0.816 303.63 2177.50 0.822 301.97 2178.50 0.828 300.33 2179.50 0.834 298.71 2180.50 0.840 297.12 2181.50 0.846 295.55 2182.50 0.853 294.00 2183.50 0.859 292.48 2184.50 0.866 290.98 2185.50 0.872 289.50 2186.50 0.879 288.04 2187.50 0.886 286.61 2188.50 0.893 285.20 2189.50 0.900 283.81 2190.50 0.907 282.44 2191.50 0.914 281.10 2192.50 0.922 279.78 2193.50 0.929 278.47 2194.50 0.936 277.19 2195.50 0.944 275.93 2196.50 0.951 274.68 2197.50 0.959 273.46 2198.50 0.966 272.26 2199.50 0.974 271.07 2200.50 0.981 269.90 2201.50 0.989 268.75 2202.50 0.997 267.62 2203.50 1.004 266.51 2204.50 1.012 265.41 2205.50 1.020 264.33 2206.50 1.027 263.26 2207.50 1.035 262.21 2208.50 1.043 261.18 2209.50 1.050 260.16 2210.50 1.058 259.15 2211.50 1.066 258.17 2212.50 1.073 257.19 2213.50 1.081 256.23 2214.50 1.089 255.28 2215.50 1.096 254.34 2216.50 1.104 253.42 2217.50 1.111 252.51 2218.50 1.119 251.62 2219.50 1.127 250.73 2220.50 1.134 249.86 2221.50 1.142 249.00 2222.50 1.149 248.14 2223.50 1.156 247.30 2224.50 1.164 246.48 2225.50 1.171 245.66 2226.50 1.179 244.85 2227.50 1.186 244.05 2228.50 1.193 243.26 2229.50 1.200 242.48 2230.50 1.208 241.71 2231.50 1.215 240.95 2232.50 1.222 240.20 2233.50 1.229 239.46 2234.50 1.236 238.72 2235.50 1.243 238.00 2236.50 1.250 237.28 2237.50 1.257 236.57 2238.50 1.264 235.87 2239.50 1.271 235.17 2240.50 1.278 234.48 2241.50 1.284 233.80 2242.50 1.291 233.13 2243.50 1.298 232.46 2244.50 1.304 231.81 2245.50 1.311 231.15 2246.50 1.318 230.51 2247.50 1.324 229.87 2248.50 1.331 229.23 2249.50 1.337 228.61 2250.50 1.343 227.99 2251.50 1.350 227.37 2252.50 1.356 226.76 2253.50 1.362 226.16 2254.50 1.368 225.56 2255.50 1.375 224.96 2256.50 1.381 224.38 2257.50 1.387 223.79 2258.50 1.393 223.22 2259.50 1.399 222.64 2260.50 1.405 222.07 2261.50 1.410 221.51
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:26:56 |