| WDS: | BU1158BC | WDS ID/Discoverer |
| P: | 423.400 | Orbital period (years) |
| a: | 0.897 | Semi-major axis (arcseconds) |
| i: | 74.5 | Inclination (degrees) |
| Ω: | 169.8 | Longitude of ascending node (degrees) |
| T: | 1939.800 | Epoch of periastron passage (year) |
| e: | 0.359 | Eccentricity |
| ω: | 10.2 | Longitude of periastron (degrees) |
| Start-Year: | 1813.3 | Year |
| End-Year: | 2236.7 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1158BC |
||
| Position: | 003105.23-100501.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00310-1005 | WDS designation |
| Discoverer Code: | BU1158BC | Discover designation and components |
| ADS number: | 426 | Aitken Double Star catalog |
| HD number: | 2761 | HD catalog number |
| Hipparcos number: | 2444 | Hipparcos catalog number |
| V1: | 9.69 | Magnitude of the primary |
| V2: | 9.09 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2017 | 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: | Doc2019a | 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 0.567 329.01 -------------------------- 1813.30 0.729 7.42 1814.30 0.720 7.75 1815.30 0.711 8.08 1816.30 0.701 8.42 1817.30 0.692 8.78 1818.30 0.682 9.14 1819.30 0.673 9.51 1820.30 0.663 9.89 1821.30 0.653 10.29 1822.30 0.644 10.69 1823.30 0.634 11.11 1824.30 0.624 11.54 1825.30 0.614 11.99 1826.30 0.604 12.45 1827.30 0.594 12.92 1828.30 0.584 13.41 1829.30 0.574 13.92 1830.30 0.564 14.45 1831.30 0.554 15.00 1832.30 0.544 15.56 1833.30 0.533 16.15 1834.30 0.523 16.76 1835.30 0.513 17.40 1836.30 0.503 18.06 1837.30 0.492 18.75 1838.30 0.482 19.47 1839.30 0.472 20.22 1840.30 0.461 21.00 1841.30 0.451 21.82 1842.30 0.441 22.68 1843.30 0.431 23.58 1844.30 0.420 24.52 1845.30 0.410 25.51 1846.30 0.400 26.55 1847.30 0.390 27.64 1848.30 0.380 28.79 1849.30 0.370 30.01 1850.30 0.361 31.29 1851.30 0.351 32.63 1852.30 0.341 34.06 1853.30 0.332 35.56 1854.30 0.323 37.16 1855.30 0.314 38.84 1856.30 0.305 40.62 1857.30 0.297 42.51 1858.30 0.288 44.50 1859.30 0.280 46.61 1860.30 0.273 48.85 1861.30 0.266 51.20 1862.30 0.259 53.69 1863.30 0.252 56.30 1864.30 0.247 59.04 1865.30 0.241 61.91 1866.30 0.236 64.90 1867.30 0.232 68.01 1868.30 0.229 71.22 1869.30 0.226 74.53 1870.30 0.224 77.90 1871.30 0.222 81.33 1872.30 0.222 84.79 1873.30 0.222 88.26 1874.30 0.223 91.71 1875.30 0.224 95.13 1876.30 0.227 98.48 1877.30 0.230 101.76 1878.30 0.233 104.95 1879.30 0.238 108.03 1880.30 0.243 110.99 1881.30 0.248 113.83 1882.30 0.254 116.54 1883.30 0.260 119.12 1884.30 0.267 121.58 1885.30 0.274 123.91 1886.30 0.282 126.12 1887.30 0.289 128.22 1888.30 0.297 130.20 1889.30 0.306 132.08 1890.30 0.314 133.85 1891.30 0.323 135.54 1892.30 0.331 137.13 1893.30 0.340 138.65 1894.30 0.349 140.08 1895.30 0.358 141.44 1896.30 0.367 142.74 1897.30 0.376 143.98 1898.30 0.385 145.15 1899.30 0.394 146.28 1900.30 0.403 147.35 1901.30 0.412 148.38 1902.30 0.421 149.36 1903.30 0.430 150.30 1904.30 0.438 151.21 1905.30 0.447 152.08 1906.30 0.455 152.92 1907.30 0.463 153.73 1908.30 0.471 154.51 1909.30 0.479 155.26 1910.30 0.487 156.00 1911.30 0.494 156.71 1912.30 0.501 157.40 1913.30 0.508 158.07 1914.30 0.515 158.72 1915.30 0.521 159.35 1916.30 0.527 159.97 1917.30 0.533 160.58 1918.30 0.539 161.17 1919.30 0.544 161.76 1920.30 0.549 162.33 1921.30 0.553 162.89 1922.30 0.558 163.44 1923.30 0.561 163.99 1924.30 0.565 164.53 1925.30 0.568 165.06 1926.30 0.571 165.59 1927.30 0.573 166.11 1928.30 0.575 166.63 1929.30 0.576 167.14 1930.30 0.577 167.65 1931.30 0.578 168.16 1932.30 0.578 168.67 1933.30 0.578 169.18 1934.30 0.578 169.70 1935.30 0.577 170.21 1936.30 0.575 170.72 1937.30 0.573 171.24 1938.30 0.571 171.76 1939.30 0.568 172.29 1940.30 0.565 172.82 1941.30 0.561 173.36 1942.30 0.557 173.90 1943.30 0.553 174.46 1944.30 0.548 175.02 1945.30 0.543 175.59 1946.30 0.537 176.18 1947.30 0.531 176.78 1948.30 0.525 177.39 1949.30 0.518 178.02 1950.30 0.511 178.66 1951.30 0.503 179.33 1952.30 0.496 180.01 1953.30 0.487 180.72 1954.30 0.479 181.45 1955.30 0.470 182.20 1956.30 0.461 182.99 1957.30 0.452 183.81 1958.30 0.443 184.66 1959.30 0.433 185.55 1960.30 0.423 186.48 1961.30 0.413 187.45 1962.30 0.403 188.48 1963.30 0.393 189.56 1964.30 0.382 190.69 1965.30 0.372 191.89 1966.30 0.361 193.16 1967.30 0.350 194.51 1968.30 0.340 195.94 1969.30 0.329 197.47 1970.30 0.319 199.10 1971.30 0.308 200.84 1972.30 0.298 202.70 1973.30 0.287 204.69 1974.30 0.277 206.83 1975.30 0.268 209.13 1976.30 0.258 211.60 1977.30 0.249 214.25 1978.30 0.241 217.09 1979.30 0.233 220.14 1980.30 0.225 223.40 1981.30 0.218 226.87 1982.30 0.212 230.56 1983.30 0.207 234.45 1984.30 0.203 238.52 1985.30 0.199 242.74 1986.30 0.197 247.09 1987.30 0.196 251.52 1988.30 0.196 255.98 1989.30 0.197 260.43 1990.30 0.199 264.80 1991.30 0.202 269.07 1992.30 0.206 273.18 1993.30 0.211 277.12 1994.30 0.217 280.86 1995.30 0.223 284.38 1996.30 0.231 287.69 1997.30 0.239 290.79 1998.30 0.248 293.68 1999.30 0.257 296.36 2000.30 0.266 298.86 2001.30 0.276 301.18 2002.30 0.286 303.34 2003.30 0.297 305.35 2004.30 0.308 307.21 2005.30 0.319 308.95 2006.30 0.330 310.57 2007.30 0.342 312.08 2008.30 0.353 313.50 2009.30 0.365 314.83 2010.30 0.376 316.07 2011.30 0.388 317.24 2012.30 0.400 318.34 2013.30 0.412 319.37 2014.30 0.424 320.35 2015.30 0.435 321.28 2016.30 0.447 322.15 2017.30 0.459 322.98 2018.30 0.471 323.77 2019.30 0.483 324.52 2020.30 0.495 325.24 2021.30 0.506 325.92 2022.30 0.518 326.57 2023.30 0.530 327.19 2024.30 0.541 327.78 2025.30 0.553 328.35 2026.30 0.565 328.90 2027.30 0.576 329.42 2028.30 0.587 329.93 2029.30 0.599 330.41 2030.30 0.610 330.88 2031.30 0.621 331.33 2032.30 0.632 331.77 2033.30 0.643 332.19 2034.30 0.654 332.59 2035.30 0.665 332.99 2036.30 0.675 333.37 2037.30 0.686 333.73 2038.30 0.697 334.09 2039.30 0.707 334.44 2040.30 0.717 334.77 2041.30 0.728 335.10 2042.30 0.738 335.42 2043.30 0.748 335.73 2044.30 0.758 336.03 2045.30 0.768 336.32 2046.30 0.777 336.61 2047.30 0.787 336.89 2048.30 0.796 337.16 2049.30 0.806 337.43 2050.30 0.815 337.69 2051.30 0.824 337.94 2052.30 0.834 338.19 2053.30 0.843 338.43 2054.30 0.851 338.67 2055.30 0.860 338.90 2056.30 0.869 339.13 2057.30 0.878 339.35 2058.30 0.886 339.57 2059.30 0.894 339.79 2060.30 0.903 340.00 2061.30 0.911 340.21 2062.30 0.919 340.41 2063.30 0.927 340.61 2064.30 0.935 340.81 2065.30 0.942 341.00 2066.30 0.950 341.19 2067.30 0.957 341.38 2068.30 0.965 341.57 2069.30 0.972 341.75 2070.30 0.979 341.93 2071.30 0.986 342.10 2072.30 0.993 342.28 2073.30 1.000 342.45 2074.30 1.007 342.62 2075.30 1.013 342.79 2076.30 1.020 342.95 2077.30 1.026 343.11 2078.30 1.033 343.27 2079.30 1.039 343.43 2080.30 1.045 343.59 2081.30 1.051 343.75 2082.30 1.057 343.90 2083.30 1.062 344.05 2084.30 1.068 344.20 2085.30 1.074 344.35 2086.30 1.079 344.50 2087.30 1.084 344.64 2088.30 1.089 344.79 2089.30 1.095 344.93 2090.30 1.100 345.07 2091.30 1.104 345.21 2092.30 1.109 345.35 2093.30 1.114 345.49 2094.30 1.118 345.63 2095.30 1.123 345.76 2096.30 1.127 345.90 2097.30 1.131 346.03 2098.30 1.135 346.17 2099.30 1.139 346.30 2100.30 1.143 346.43 2101.30 1.147 346.56 2102.30 1.151 346.69 2103.30 1.154 346.82 2104.30 1.158 346.94 2105.30 1.161 347.07 2106.30 1.164 347.20 2107.30 1.167 347.32 2108.30 1.170 347.45 2109.30 1.173 347.57 2110.30 1.176 347.70 2111.30 1.179 347.82 2112.30 1.181 347.94 2113.30 1.184 348.06 2114.30 1.186 348.19 2115.30 1.189 348.31 2116.30 1.191 348.43 2117.30 1.193 348.55 2118.30 1.195 348.67 2119.30 1.197 348.79 2120.30 1.198 348.91 2121.30 1.200 349.02 2122.30 1.202 349.14 2123.30 1.203 349.26 2124.30 1.204 349.38 2125.30 1.206 349.50 2126.30 1.207 349.61 2127.30 1.208 349.73 2128.30 1.209 349.85 2129.30 1.209 349.96 2130.30 1.210 350.08 2131.30 1.211 350.20 2132.30 1.211 350.31 2133.30 1.212 350.43 2134.30 1.212 350.55 2135.30 1.212 350.66 2136.30 1.212 350.78 2137.30 1.212 350.89 2138.30 1.212 351.01 2139.30 1.212 351.13 2140.30 1.212 351.24 2141.30 1.211 351.36 2142.30 1.211 351.47 2143.30 1.210 351.59 2144.30 1.209 351.71 2145.30 1.209 351.82 2146.30 1.208 351.94 2147.30 1.207 352.06 2148.30 1.205 352.18 2149.30 1.204 352.29 2150.30 1.203 352.41 2151.30 1.201 352.53 2152.30 1.200 352.65 2153.30 1.198 352.77 2154.30 1.197 352.89 2155.30 1.195 353.00 2156.30 1.193 353.12 2157.30 1.191 353.24 2158.30 1.189 353.37 2159.30 1.186 353.49 2160.30 1.184 353.61 2161.30 1.182 353.73 2162.30 1.179 353.85 2163.30 1.176 353.97 2164.30 1.174 354.10 2165.30 1.171 354.22 2166.30 1.168 354.35 2167.30 1.165 354.47 2168.30 1.162 354.60 2169.30 1.159 354.73 2170.30 1.155 354.85 2171.30 1.152 354.98 2172.30 1.148 355.11 2173.30 1.145 355.24 2174.30 1.141 355.37 2175.30 1.137 355.50 2176.30 1.133 355.63 2177.30 1.129 355.77 2178.30 1.125 355.90 2179.30 1.121 356.04 2180.30 1.117 356.17 2181.30 1.113 356.31 2182.30 1.108 356.45 2183.30 1.104 356.59 2184.30 1.099 356.73 2185.30 1.094 356.87 2186.30 1.089 357.01 2187.30 1.084 357.16 2188.30 1.079 357.30 2189.30 1.074 357.45 2190.30 1.069 357.60 2191.30 1.064 357.75 2192.30 1.058 357.90 2193.30 1.053 358.06 2194.30 1.047 358.21 2195.30 1.041 358.37 2196.30 1.036 358.53 2197.30 1.030 358.69 2198.30 1.024 358.85 2199.30 1.018 359.01 2200.30 1.012 359.18 2201.30 1.005 359.34 2202.30 0.999 359.51 2203.30 0.993 359.69 2204.30 0.986 359.86 2205.30 0.980 0.04 2206.30 0.973 0.22 2207.30 0.966 0.40 2208.30 0.959 0.58 2209.30 0.952 0.77 2210.30 0.945 0.96 2211.30 0.938 1.15 2212.30 0.931 1.35 2213.30 0.924 1.54 2214.30 0.916 1.75 2215.30 0.909 1.95 2216.30 0.901 2.16 2217.30 0.893 2.37 2218.30 0.886 2.59 2219.30 0.878 2.81 2220.30 0.870 3.03 2221.30 0.862 3.26 2222.30 0.854 3.49 2223.30 0.846 3.73 2224.30 0.838 3.97 2225.30 0.829 4.21 2226.30 0.821 4.46 2227.30 0.812 4.72 2228.30 0.804 4.98 2229.30 0.795 5.25 2230.30 0.787 5.52 2231.30 0.778 5.80 2232.30 0.769 6.08 2233.30 0.760 6.38 2234.30 0.751 6.68 2235.30 0.742 6.98 2236.30 0.733 7.30
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 14:40:02 |