| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:20:36 |
| 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: | 1814.0 | Year |
| End-Year: | 2236.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.550 328.2 ------------------------- 1814.0 0.723 7.6 1815.0 0.713 8.0 1816.0 0.704 8.3 1817.0 0.695 8.7 1818.0 0.685 9.0 1819.0 0.676 9.4 1820.0 0.666 9.8 1821.0 0.656 10.2 1822.0 0.647 10.6 1823.0 0.637 11.0 1824.0 0.627 11.4 1825.0 0.617 11.9 1826.0 0.607 12.3 1827.0 0.597 12.8 1828.0 0.587 13.3 1829.0 0.577 13.8 1830.0 0.567 14.3 1831.0 0.557 14.8 1832.0 0.547 15.4 1833.0 0.536 16.0 1834.0 0.526 16.6 1835.0 0.516 17.2 1836.0 0.506 17.9 1837.0 0.495 18.5 1838.0 0.485 19.3 1839.0 0.475 20.0 1840.0 0.464 20.8 1841.0 0.454 21.6 1842.0 0.444 22.4 1843.0 0.434 23.3 1844.0 0.423 24.2 1845.0 0.413 25.2 1846.0 0.403 26.2 1847.0 0.393 27.3 1848.0 0.383 28.4 1849.0 0.373 29.6 1850.0 0.363 30.9 1851.0 0.354 32.2 1852.0 0.344 33.6 1853.0 0.335 35.1 1854.0 0.326 36.7 1855.0 0.317 38.3 1856.0 0.308 40.1 1857.0 0.299 41.9 1858.0 0.291 43.9 1859.0 0.283 46.0 1860.0 0.275 48.2 1861.0 0.268 50.5 1862.0 0.261 52.9 1863.0 0.254 55.5 1864.0 0.248 58.2 1865.0 0.243 61.0 1866.0 0.238 64.0 1867.0 0.233 67.1 1868.0 0.230 70.3 1869.0 0.227 73.5 1870.0 0.224 76.9 1871.0 0.223 80.3 1872.0 0.222 83.7 1873.0 0.222 87.2 1874.0 0.222 90.7 1875.0 0.224 94.1 1876.0 0.226 97.5 1877.0 0.229 100.8 1878.0 0.232 104.0 1879.0 0.236 107.1 1880.0 0.241 110.1 1881.0 0.246 113.0 1882.0 0.252 115.7 1883.0 0.258 118.4 1884.0 0.265 120.9 1885.0 0.272 123.2 1886.0 0.279 125.5 1887.0 0.287 127.6 1888.0 0.295 129.6 1889.0 0.303 131.5 1890.0 0.312 133.3 1891.0 0.320 135.0 1892.0 0.329 136.7 1893.0 0.338 138.2 1894.0 0.347 139.7 1895.0 0.356 141.0 1896.0 0.365 142.4 1897.0 0.374 143.6 1898.0 0.383 144.8 1899.0 0.392 145.9 1900.0 0.401 147.0 1901.0 0.410 148.1 1902.0 0.418 149.1 1903.0 0.427 150.0 1904.0 0.436 150.9 1905.0 0.444 151.8 1906.0 0.453 152.7 1907.0 0.461 153.5 1908.0 0.469 154.3 1909.0 0.477 155.0 1910.0 0.484 155.8 1911.0 0.492 156.5 1912.0 0.499 157.2 1913.0 0.506 157.9 1914.0 0.513 158.5 1915.0 0.519 159.2 1916.0 0.526 159.8 1917.0 0.531 160.4 1918.0 0.537 161.0 1919.0 0.542 161.6 1920.0 0.547 162.2 1921.0 0.552 162.7 1922.0 0.556 163.3 1923.0 0.560 163.8 1924.0 0.564 164.4 1925.0 0.567 164.9 1926.0 0.570 165.4 1927.0 0.572 166.0 1928.0 0.574 166.5 1929.0 0.576 167.0 1930.0 0.577 167.5 1931.0 0.578 168.0 1932.0 0.578 168.5 1933.0 0.578 169.0 1934.0 0.578 169.5 1935.0 0.577 170.1 1936.0 0.576 170.6 1937.0 0.574 171.1 1938.0 0.572 171.6 1939.0 0.569 172.1 1940.0 0.566 172.7 1941.0 0.562 173.2 1942.0 0.559 173.7 1943.0 0.554 174.3 1944.0 0.549 174.9 1945.0 0.544 175.4 1946.0 0.539 176.0 1947.0 0.533 176.6 1948.0 0.527 177.2 1949.0 0.520 177.8 1950.0 0.513 178.5 1951.0 0.506 179.1 1952.0 0.498 179.8 1953.0 0.490 180.5 1954.0 0.482 181.2 1955.0 0.473 182.0 1956.0 0.464 182.8 1957.0 0.455 183.6 1958.0 0.446 184.4 1959.0 0.436 185.3 1960.0 0.426 186.2 1961.0 0.416 187.2 1962.0 0.406 188.2 1963.0 0.396 189.2 1964.0 0.385 190.3 1965.0 0.375 191.5 1966.0 0.364 192.8 1967.0 0.354 194.1 1968.0 0.343 195.5 1969.0 0.332 197.0 1970.0 0.322 198.6 1971.0 0.311 200.3 1972.0 0.301 202.1 1973.0 0.291 204.1 1974.0 0.280 206.2 1975.0 0.271 208.4 1976.0 0.261 210.8 1977.0 0.252 213.4 1978.0 0.243 216.2 1979.0 0.235 219.2 1980.0 0.227 222.4 1981.0 0.220 225.8 1982.0 0.214 229.4 1983.0 0.208 233.3 1984.0 0.204 237.3 1985.0 0.200 241.5 1986.0 0.198 245.8 1987.0 0.196 250.2 1988.0 0.196 254.6 1989.0 0.196 259.1 1990.0 0.198 263.5 1991.0 0.201 267.8 1992.0 0.204 272.0 1993.0 0.209 276.0 1994.0 0.215 279.8 1995.0 0.221 283.3 1996.0 0.229 286.7 1997.0 0.236 289.9 1998.0 0.245 292.8 1999.0 0.254 295.6 2000.0 0.263 298.1 2001.0 0.273 300.5 2002.0 0.283 302.7 2003.0 0.294 304.8 2004.0 0.305 306.7 2005.0 0.316 308.4 2006.0 0.327 310.1 2007.0 0.338 311.6 2008.0 0.350 313.1 2009.0 0.361 314.4 2010.0 0.373 315.7 2011.0 0.385 316.9 2012.0 0.396 318.0 2013.0 0.408 319.1 2014.0 0.420 320.1 2015.0 0.432 321.0 2016.0 0.444 321.9 2017.0 0.456 322.7 2018.0 0.468 323.5 2019.0 0.479 324.3 2020.0 0.491 325.0 2021.0 0.503 325.7 2022.0 0.515 326.4 2023.0 0.526 327.0 2024.0 0.538 327.6 2025.0 0.550 328.2 2026.0 0.561 328.7 2027.0 0.573 329.3 2028.0 0.584 329.8 2029.0 0.595 330.3 2030.0 0.606 330.7 2031.0 0.618 331.2 2032.0 0.629 331.6 2033.0 0.640 332.1 2034.0 0.651 332.5 2035.0 0.661 332.9 2036.0 0.672 333.3 2037.0 0.683 333.6 2038.0 0.693 334.0 2039.0 0.704 334.3 2040.0 0.714 334.7 2041.0 0.724 335.0 2042.0 0.735 335.3 2043.0 0.745 335.6 2044.0 0.755 335.9 2045.0 0.765 336.2 2046.0 0.774 336.5 2047.0 0.784 336.8 2048.0 0.794 337.1 2049.0 0.803 337.3 2050.0 0.812 337.6 2051.0 0.822 337.9 2052.0 0.831 338.1 2053.0 0.840 338.4 2054.0 0.849 338.6 2055.0 0.858 338.8 2056.0 0.866 339.1 2057.0 0.875 339.3 2058.0 0.883 339.5 2059.0 0.892 339.7 2060.0 0.900 339.9 2061.0 0.908 340.1 2062.0 0.916 340.4 2063.0 0.924 340.6 2064.0 0.932 340.7 2065.0 0.940 340.9 2066.0 0.948 341.1 2067.0 0.955 341.3 2068.0 0.963 341.5 2069.0 0.970 341.7 2070.0 0.977 341.9 2071.0 0.984 342.1 2072.0 0.991 342.2 2073.0 0.998 342.4 2074.0 1.005 342.6 2075.0 1.011 342.7 2076.0 1.018 342.9 2077.0 1.024 343.1 2078.0 1.031 343.2 2079.0 1.037 343.4 2080.0 1.043 343.5 2081.0 1.049 343.7 2082.0 1.055 343.9 2083.0 1.061 344.0 2084.0 1.066 344.2 2085.0 1.072 344.3 2086.0 1.077 344.5 2087.0 1.083 344.6 2088.0 1.088 344.7 2089.0 1.093 344.9 2090.0 1.098 345.0 2091.0 1.103 345.2 2092.0 1.108 345.3 2093.0 1.112 345.5 2094.0 1.117 345.6 2095.0 1.121 345.7 2096.0 1.126 345.9 2097.0 1.130 346.0 2098.0 1.134 346.1 2099.0 1.138 346.3 2100.0 1.142 346.4 2101.0 1.146 346.5 2102.0 1.150 346.6 2103.0 1.153 346.8 2104.0 1.157 346.9 2105.0 1.160 347.0 2106.0 1.163 347.2 2107.0 1.166 347.3 2108.0 1.170 347.4 2109.0 1.172 347.5 2110.0 1.175 347.7 2111.0 1.178 347.8 2112.0 1.181 347.9 2113.0 1.183 348.0 2114.0 1.186 348.1 2115.0 1.188 348.3 2116.0 1.190 348.4 2117.0 1.192 348.5 2118.0 1.194 348.6 2119.0 1.196 348.8 2120.0 1.198 348.9 2121.0 1.200 349.0 2122.0 1.201 349.1 2123.0 1.203 349.2 2124.0 1.204 349.3 2125.0 1.205 349.5 2126.0 1.206 349.6 2127.0 1.207 349.7 2128.0 1.208 349.8 2129.0 1.209 349.9 2130.0 1.210 350.0 2131.0 1.211 350.2 2132.0 1.211 350.3 2133.0 1.212 350.4 2134.0 1.212 350.5 2135.0 1.212 350.6 2136.0 1.212 350.7 2137.0 1.212 350.9 2138.0 1.212 351.0 2139.0 1.212 351.1 2140.0 1.212 351.2 2141.0 1.211 351.3 2142.0 1.211 351.4 2143.0 1.210 351.6 2144.0 1.210 351.7 2145.0 1.209 351.8 2146.0 1.208 351.9 2147.0 1.207 352.0 2148.0 1.206 352.1 2149.0 1.205 352.3 2150.0 1.203 352.4 2151.0 1.202 352.5 2152.0 1.200 352.6 2153.0 1.199 352.7 2154.0 1.197 352.8 2155.0 1.195 353.0 2156.0 1.193 353.1 2157.0 1.191 353.2 2158.0 1.189 353.3 2159.0 1.187 353.4 2160.0 1.185 353.6 2161.0 1.182 353.7 2162.0 1.180 353.8 2163.0 1.177 353.9 2164.0 1.175 354.1 2165.0 1.172 354.2 2166.0 1.169 354.3 2167.0 1.166 354.4 2168.0 1.163 354.6 2169.0 1.160 354.7 2170.0 1.156 354.8 2171.0 1.153 354.9 2172.0 1.150 355.1 2173.0 1.146 355.2 2174.0 1.142 355.3 2175.0 1.139 355.5 2176.0 1.135 355.6 2177.0 1.131 355.7 2178.0 1.127 355.9 2179.0 1.122 356.0 2180.0 1.118 356.1 2181.0 1.114 356.3 2182.0 1.109 356.4 2183.0 1.105 356.5 2184.0 1.100 356.7 2185.0 1.096 356.8 2186.0 1.091 357.0 2187.0 1.086 357.1 2188.0 1.081 357.3 2189.0 1.076 357.4 2190.0 1.071 357.6 2191.0 1.065 357.7 2192.0 1.060 357.9 2193.0 1.054 358.0 2194.0 1.049 358.2 2195.0 1.043 358.3 2196.0 1.037 358.5 2197.0 1.032 358.6 2198.0 1.026 358.8 2199.0 1.020 359.0 2200.0 1.013 359.1 2201.0 1.007 359.3 2202.0 1.001 359.5 2203.0 0.995 359.6 2204.0 0.988 359.8 2205.0 0.981 360.0 2206.0 0.975 0.2 2207.0 0.968 0.3 2208.0 0.961 0.5 2209.0 0.954 0.7 2210.0 0.947 0.9 2211.0 0.940 1.1 2212.0 0.933 1.3 2213.0 0.926 1.5 2214.0 0.918 1.7 2215.0 0.911 1.9 2216.0 0.903 2.1 2217.0 0.896 2.3 2218.0 0.888 2.5 2219.0 0.880 2.7 2220.0 0.872 3.0 2221.0 0.864 3.2 2222.0 0.856 3.4 2223.0 0.848 3.7 2224.0 0.840 3.9 2225.0 0.832 4.1 2226.0 0.823 4.4 2227.0 0.815 4.6 2228.0 0.806 4.9 2229.0 0.798 5.2 2230.0 0.789 5.4 2231.0 0.780 5.7 2232.0 0.772 6.0 2233.0 0.763 6.3 2234.0 0.754 6.6 2235.0 0.745 6.9