| WDS: | BU1115DE | WDS ID/Discoverer |
| P: | 675.500 | Orbital period (years) |
| a: | 1.01 | Semi-major axis (arcseconds) |
| i: | 134.8 | Inclination (degrees) |
| Ω: | 152.7 | Longitude of ascending node (degrees) |
| T: | 2008.600 | Epoch of periastron passage (year) |
| e: | 0.707 | Eccentricity |
| ω: | 260.4 | Longitude of periastron (degrees) |
| Start-Year: | 1687.25 | Year |
| End-Year: | 2362.75 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1115DE |
||
| Position: | 162524.29-232736.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16256-2327 | WDS designation |
| Discoverer Code: | BU1115DE | Discover designation and components |
| ADS number: | 10045 | Aitken Double Star catalog |
| HD number: | 147888 | HD catalog number |
| Hipparcos number: | 80461 | Hipparcos catalog number |
| V1: | 6.81 | Magnitude of the primary |
| V2: | 8.42 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Nov2007b | 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 0.355 178.79 -------------------------- 1687.25 1.223 73.25 1688.25 1.223 73.07 1689.25 1.222 72.89 1690.25 1.221 72.71 1691.25 1.221 72.52 1692.25 1.220 72.34 1693.25 1.219 72.16 1694.25 1.219 71.98 1695.25 1.218 71.80 1696.25 1.217 71.61 1697.25 1.217 71.43 1698.25 1.216 71.25 1699.25 1.215 71.06 1700.25 1.215 70.88 1701.25 1.214 70.70 1702.25 1.213 70.51 1703.25 1.212 70.33 1704.25 1.212 70.14 1705.25 1.211 69.96 1706.25 1.210 69.77 1707.25 1.209 69.59 1708.25 1.209 69.40 1709.25 1.208 69.22 1710.25 1.207 69.03 1711.25 1.206 68.85 1712.25 1.205 68.66 1713.25 1.204 68.47 1714.25 1.204 68.29 1715.25 1.203 68.10 1716.25 1.202 67.91 1717.25 1.201 67.72 1718.25 1.200 67.54 1719.25 1.199 67.35 1720.25 1.198 67.16 1721.25 1.197 66.97 1722.25 1.197 66.78 1723.25 1.196 66.59 1724.25 1.195 66.40 1725.25 1.194 66.21 1726.25 1.193 66.02 1727.25 1.192 65.83 1728.25 1.191 65.64 1729.25 1.190 65.45 1730.25 1.189 65.26 1731.25 1.188 65.07 1732.25 1.187 64.87 1733.25 1.186 64.68 1734.25 1.185 64.49 1735.25 1.184 64.30 1736.25 1.183 64.10 1737.25 1.182 63.91 1738.25 1.181 63.71 1739.25 1.180 63.52 1740.25 1.179 63.32 1741.25 1.178 63.13 1742.25 1.176 62.93 1743.25 1.175 62.74 1744.25 1.174 62.54 1745.25 1.173 62.35 1746.25 1.172 62.15 1747.25 1.171 61.95 1748.25 1.170 61.75 1749.25 1.169 61.55 1750.25 1.167 61.36 1751.25 1.166 61.16 1752.25 1.165 60.96 1753.25 1.164 60.76 1754.25 1.163 60.56 1755.25 1.161 60.36 1756.25 1.160 60.16 1757.25 1.159 59.95 1758.25 1.158 59.75 1759.25 1.157 59.55 1760.25 1.155 59.35 1761.25 1.154 59.14 1762.25 1.153 58.94 1763.25 1.152 58.74 1764.25 1.150 58.53 1765.25 1.149 58.33 1766.25 1.148 58.12 1767.25 1.146 57.92 1768.25 1.145 57.71 1769.25 1.144 57.50 1770.25 1.142 57.30 1771.25 1.141 57.09 1772.25 1.140 56.88 1773.25 1.138 56.67 1774.25 1.137 56.46 1775.25 1.136 56.25 1776.25 1.134 56.04 1777.25 1.133 55.83 1778.25 1.131 55.62 1779.25 1.130 55.41 1780.25 1.128 55.19 1781.25 1.127 54.98 1782.25 1.126 54.77 1783.25 1.124 54.55 1784.25 1.123 54.34 1785.25 1.121 54.12 1786.25 1.120 53.91 1787.25 1.118 53.69 1788.25 1.117 53.47 1789.25 1.115 53.26 1790.25 1.114 53.04 1791.25 1.112 52.82 1792.25 1.111 52.60 1793.25 1.109 52.38 1794.25 1.107 52.16 1795.25 1.106 51.94 1796.25 1.104 51.72 1797.25 1.103 51.49 1798.25 1.101 51.27 1799.25 1.100 51.05 1800.25 1.098 50.82 1801.25 1.096 50.60 1802.25 1.095 50.37 1803.25 1.093 50.15 1804.25 1.091 49.92 1805.25 1.090 49.69 1806.25 1.088 49.46 1807.25 1.086 49.23 1808.25 1.085 49.00 1809.25 1.083 48.77 1810.25 1.081 48.54 1811.25 1.079 48.31 1812.25 1.078 48.08 1813.25 1.076 47.84 1814.25 1.074 47.61 1815.25 1.072 47.37 1816.25 1.071 47.14 1817.25 1.069 46.90 1818.25 1.067 46.66 1819.25 1.065 46.42 1820.25 1.063 46.19 1821.25 1.062 45.95 1822.25 1.060 45.70 1823.25 1.058 45.46 1824.25 1.056 45.22 1825.25 1.054 44.98 1826.25 1.052 44.73 1827.25 1.050 44.49 1828.25 1.048 44.24 1829.25 1.047 43.99 1830.25 1.045 43.75 1831.25 1.043 43.50 1832.25 1.041 43.25 1833.25 1.039 43.00 1834.25 1.037 42.75 1835.25 1.035 42.49 1836.25 1.033 42.24 1837.25 1.031 41.99 1838.25 1.029 41.73 1839.25 1.027 41.47 1840.25 1.025 41.22 1841.25 1.023 40.96 1842.25 1.020 40.70 1843.25 1.018 40.44 1844.25 1.016 40.18 1845.25 1.014 39.91 1846.25 1.012 39.65 1847.25 1.010 39.38 1848.25 1.008 39.12 1849.25 1.006 38.85 1850.25 1.003 38.58 1851.25 1.001 38.31 1852.25 0.999 38.04 1853.25 0.997 37.77 1854.25 0.995 37.50 1855.25 0.992 37.22 1856.25 0.990 36.95 1857.25 0.988 36.67 1858.25 0.985 36.39 1859.25 0.983 36.11 1860.25 0.981 35.83 1861.25 0.979 35.55 1862.25 0.976 35.26 1863.25 0.974 34.98 1864.25 0.971 34.69 1865.25 0.969 34.40 1866.25 0.967 34.12 1867.25 0.964 33.82 1868.25 0.962 33.53 1869.25 0.959 33.24 1870.25 0.957 32.94 1871.25 0.954 32.65 1872.25 0.952 32.35 1873.25 0.949 32.05 1874.25 0.947 31.75 1875.25 0.944 31.44 1876.25 0.942 31.14 1877.25 0.939 30.83 1878.25 0.937 30.53 1879.25 0.934 30.22 1880.25 0.931 29.90 1881.25 0.929 29.59 1882.25 0.926 29.28 1883.25 0.923 28.96 1884.25 0.921 28.64 1885.25 0.918 28.32 1886.25 0.915 28.00 1887.25 0.912 27.67 1888.25 0.910 27.35 1889.25 0.907 27.02 1890.25 0.904 26.69 1891.25 0.901 26.35 1892.25 0.898 26.02 1893.25 0.895 25.68 1894.25 0.892 25.34 1895.25 0.889 25.00 1896.25 0.887 24.66 1897.25 0.884 24.31 1898.25 0.881 23.96 1899.25 0.878 23.61 1900.25 0.874 23.26 1901.25 0.871 22.91 1902.25 0.868 22.55 1903.25 0.865 22.19 1904.25 0.862 21.82 1905.25 0.859 21.46 1906.25 0.856 21.09 1907.25 0.852 20.72 1908.25 0.849 20.34 1909.25 0.846 19.97 1910.25 0.843 19.59 1911.25 0.839 19.20 1912.25 0.836 18.82 1913.25 0.833 18.43 1914.25 0.829 18.04 1915.25 0.826 17.64 1916.25 0.822 17.24 1917.25 0.819 16.84 1918.25 0.815 16.43 1919.25 0.812 16.02 1920.25 0.808 15.61 1921.25 0.804 15.19 1922.25 0.801 14.77 1923.25 0.797 14.35 1924.25 0.793 13.92 1925.25 0.789 13.49 1926.25 0.785 13.05 1927.25 0.782 12.61 1928.25 0.778 12.16 1929.25 0.774 11.71 1930.25 0.770 11.26 1931.25 0.766 10.80 1932.25 0.762 10.33 1933.25 0.758 9.86 1934.25 0.753 9.39 1935.25 0.749 8.91 1936.25 0.745 8.42 1937.25 0.741 7.93 1938.25 0.736 7.43 1939.25 0.732 6.93 1940.25 0.727 6.42 1941.25 0.723 5.91 1942.25 0.718 5.39 1943.25 0.714 4.86 1944.25 0.709 4.32 1945.25 0.704 3.78 1946.25 0.699 3.23 1947.25 0.695 2.67 1948.25 0.690 2.11 1949.25 0.685 1.53 1950.25 0.680 0.95 1951.25 0.674 0.36 1952.25 0.669 359.76 1953.25 0.664 359.15 1954.25 0.659 358.53 1955.25 0.653 357.90 1956.25 0.648 357.26 1957.25 0.642 356.61 1958.25 0.636 355.94 1959.25 0.630 355.27 1960.25 0.625 354.58 1961.25 0.619 353.88 1962.25 0.612 353.16 1963.25 0.606 352.43 1964.25 0.600 351.69 1965.25 0.594 350.93 1966.25 0.587 350.15 1967.25 0.580 349.36 1968.25 0.574 348.54 1969.25 0.567 347.71 1970.25 0.560 346.86 1971.25 0.553 345.98 1972.25 0.545 345.08 1973.25 0.538 344.16 1974.25 0.531 343.21 1975.25 0.523 342.23 1976.25 0.515 341.23 1977.25 0.507 340.19 1978.25 0.499 339.12 1979.25 0.490 338.01 1980.25 0.482 336.86 1981.25 0.473 335.68 1982.25 0.464 334.44 1983.25 0.455 333.16 1984.25 0.446 331.82 1985.25 0.436 330.43 1986.25 0.427 328.98 1987.25 0.417 327.45 1988.25 0.407 325.85 1989.25 0.396 324.17 1990.25 0.386 322.40 1991.25 0.375 320.53 1992.25 0.364 318.55 1993.25 0.354 316.45 1994.25 0.342 314.21 1995.25 0.331 311.82 1996.25 0.320 309.27 1997.25 0.309 306.52 1998.25 0.297 303.57 1999.25 0.286 300.39 2000.25 0.275 296.96 2001.25 0.265 293.24 2002.25 0.255 289.23 2003.25 0.245 284.89 2004.25 0.236 280.22 2005.25 0.229 275.20 2006.25 0.222 269.85 2007.25 0.216 264.21 2008.25 0.212 258.31 2009.25 0.210 252.23 2010.25 0.209 246.06 2011.25 0.210 239.91 2012.25 0.213 233.86 2013.25 0.217 228.01 2014.25 0.223 222.42 2015.25 0.230 217.15 2016.25 0.239 212.22 2017.25 0.248 207.63 2018.25 0.258 203.39 2019.25 0.269 199.48 2020.25 0.280 195.88 2021.25 0.291 192.55 2022.25 0.303 189.49 2023.25 0.315 186.65 2024.25 0.327 184.03 2025.25 0.340 181.59 2026.25 0.352 179.33 2027.25 0.364 177.22 2028.25 0.376 175.24 2029.25 0.388 173.39 2030.25 0.400 171.64 2031.25 0.412 170.00 2032.25 0.424 168.45 2033.25 0.435 166.98 2034.25 0.447 165.59 2035.25 0.458 164.27 2036.25 0.469 163.01 2037.25 0.480 161.80 2038.25 0.491 160.65 2039.25 0.501 159.55 2040.25 0.511 158.49 2041.25 0.522 157.48 2042.25 0.532 156.50 2043.25 0.542 155.56 2044.25 0.551 154.65 2045.25 0.561 153.78 2046.25 0.570 152.93 2047.25 0.579 152.11 2048.25 0.588 151.31 2049.25 0.597 150.54 2050.25 0.606 149.79 2051.25 0.615 149.07 2052.25 0.623 148.36 2053.25 0.632 147.67 2054.25 0.640 147.00 2055.25 0.648 146.35 2056.25 0.656 145.71 2057.25 0.664 145.09 2058.25 0.672 144.48 2059.25 0.679 143.89 2060.25 0.687 143.31 2061.25 0.694 142.74 2062.25 0.701 142.18 2063.25 0.709 141.64 2064.25 0.716 141.10 2065.25 0.723 140.58 2066.25 0.729 140.06 2067.25 0.736 139.56 2068.25 0.743 139.06 2069.25 0.749 138.58 2070.25 0.756 138.10 2071.25 0.762 137.63 2072.25 0.769 137.17 2073.25 0.775 136.71 2074.25 0.781 136.26 2075.25 0.787 135.82 2076.25 0.793 135.39 2077.25 0.799 134.96 2078.25 0.805 134.54 2079.25 0.810 134.13 2080.25 0.816 133.72 2081.25 0.822 133.31 2082.25 0.827 132.91 2083.25 0.833 132.52 2084.25 0.838 132.13 2085.25 0.843 131.75 2086.25 0.849 131.37 2087.25 0.854 131.00 2088.25 0.859 130.63 2089.25 0.864 130.26 2090.25 0.869 129.90 2091.25 0.874 129.54 2092.25 0.879 129.19 2093.25 0.883 128.84 2094.25 0.888 128.50 2095.25 0.893 128.16 2096.25 0.898 127.82 2097.25 0.902 127.48 2098.25 0.907 127.15 2099.25 0.911 126.82 2100.25 0.915 126.50 2101.25 0.920 126.18 2102.25 0.924 125.86 2103.25 0.928 125.54 2104.25 0.933 125.23 2105.25 0.937 124.92 2106.25 0.941 124.61 2107.25 0.945 124.31 2108.25 0.949 124.01 2109.25 0.953 123.71 2110.25 0.957 123.41 2111.25 0.961 123.11 2112.25 0.965 122.82 2113.25 0.968 122.53 2114.25 0.972 122.24 2115.25 0.976 121.96 2116.25 0.979 121.67 2117.25 0.983 121.39 2118.25 0.987 121.11 2119.25 0.990 120.84 2120.25 0.994 120.56 2121.25 0.997 120.29 2122.25 1.001 120.02 2123.25 1.004 119.75 2124.25 1.007 119.48 2125.25 1.011 119.21 2126.25 1.014 118.95 2127.25 1.017 118.69 2128.25 1.020 118.42 2129.25 1.024 118.17 2130.25 1.027 117.91 2131.25 1.030 117.65 2132.25 1.033 117.40 2133.25 1.036 117.14 2134.25 1.039 116.89 2135.25 1.042 116.64 2136.25 1.045 116.39 2137.25 1.048 116.15 2138.25 1.051 115.90 2139.25 1.053 115.65 2140.25 1.056 115.41 2141.25 1.059 115.17 2142.25 1.062 114.93 2143.25 1.065 114.69 2144.25 1.067 114.45 2145.25 1.070 114.21 2146.25 1.072 113.98 2147.25 1.075 113.74 2148.25 1.078 113.51 2149.25 1.080 113.27 2150.25 1.083 113.04 2151.25 1.085 112.81 2152.25 1.088 112.58 2153.25 1.090 112.35 2154.25 1.092 112.13 2155.25 1.095 111.90 2156.25 1.097 111.67 2157.25 1.100 111.45 2158.25 1.102 111.23 2159.25 1.104 111.00 2160.25 1.106 110.78 2161.25 1.109 110.56 2162.25 1.111 110.34 2163.25 1.113 110.12 2164.25 1.115 109.90 2165.25 1.117 109.69 2166.25 1.119 109.47 2167.25 1.121 109.25 2168.25 1.124 109.04 2169.25 1.126 108.82 2170.25 1.128 108.61 2171.25 1.130 108.40 2172.25 1.132 108.19 2173.25 1.133 107.98 2174.25 1.135 107.77 2175.25 1.137 107.56 2176.25 1.139 107.35 2177.25 1.141 107.14 2178.25 1.143 106.93 2179.25 1.145 106.72 2180.25 1.146 106.52 2181.25 1.148 106.31 2182.25 1.150 106.11 2183.25 1.152 105.90 2184.25 1.153 105.70 2185.25 1.155 105.49 2186.25 1.157 105.29 2187.25 1.158 105.09 2188.25 1.160 104.89 2189.25 1.162 104.69 2190.25 1.163 104.49 2191.25 1.165 104.29 2192.25 1.166 104.09 2193.25 1.168 103.89 2194.25 1.169 103.69 2195.25 1.171 103.49 2196.25 1.172 103.29 2197.25 1.174 103.10 2198.25 1.175 102.90 2199.25 1.177 102.70 2200.25 1.178 102.51 2201.25 1.179 102.31 2202.25 1.181 102.12 2203.25 1.182 101.93 2204.25 1.183 101.73 2205.25 1.185 101.54 2206.25 1.186 101.35 2207.25 1.187 101.15 2208.25 1.189 100.96 2209.25 1.190 100.77 2210.25 1.191 100.58 2211.25 1.192 100.39 2212.25 1.193 100.20 2213.25 1.195 100.01 2214.25 1.196 99.82 2215.25 1.197 99.63 2216.25 1.198 99.44 2217.25 1.199 99.25 2218.25 1.200 99.06 2219.25 1.201 98.87 2220.25 1.202 98.69 2221.25 1.203 98.50 2222.25 1.204 98.31 2223.25 1.205 98.13 2224.25 1.206 97.94 2225.25 1.207 97.75 2226.25 1.208 97.57 2227.25 1.209 97.38 2228.25 1.210 97.20 2229.25 1.211 97.01 2230.25 1.212 96.83 2231.25 1.213 96.64 2232.25 1.214 96.46 2233.25 1.215 96.28 2234.25 1.215 96.09 2235.25 1.216 95.91 2236.25 1.217 95.73 2237.25 1.218 95.54 2238.25 1.219 95.36 2239.25 1.219 95.18 2240.25 1.220 95.00 2241.25 1.221 94.81 2242.25 1.222 94.63 2243.25 1.222 94.45 2244.25 1.223 94.27 2245.25 1.224 94.09 2246.25 1.224 93.91 2247.25 1.225 93.73 2248.25 1.226 93.55 2249.25 1.226 93.37 2250.25 1.227 93.19 2251.25 1.228 93.01 2252.25 1.228 92.83 2253.25 1.229 92.65 2254.25 1.229 92.47 2255.25 1.230 92.29 2256.25 1.230 92.11 2257.25 1.231 91.93 2258.25 1.232 91.75 2259.25 1.232 91.57 2260.25 1.233 91.40 2261.25 1.233 91.22 2262.25 1.233 91.04 2263.25 1.234 90.86 2264.25 1.234 90.68 2265.25 1.235 90.51 2266.25 1.235 90.33 2267.25 1.236 90.15 2268.25 1.236 89.97 2269.25 1.236 89.80 2270.25 1.237 89.62 2271.25 1.237 89.44 2272.25 1.237 89.27 2273.25 1.238 89.09 2274.25 1.238 88.91 2275.25 1.238 88.73 2276.25 1.239 88.56 2277.25 1.239 88.38 2278.25 1.239 88.21 2279.25 1.239 88.03 2280.25 1.240 87.85 2281.25 1.240 87.68 2282.25 1.240 87.50 2283.25 1.240 87.32 2284.25 1.241 87.15 2285.25 1.241 86.97 2286.25 1.241 86.80 2287.25 1.241 86.62 2288.25 1.241 86.44 2289.25 1.241 86.27 2290.25 1.241 86.09 2291.25 1.242 85.92 2292.25 1.242 85.74 2293.25 1.242 85.57 2294.25 1.242 85.39 2295.25 1.242 85.21 2296.25 1.242 85.04 2297.25 1.242 84.86 2298.25 1.242 84.69 2299.25 1.242 84.51 2300.25 1.242 84.34 2301.25 1.242 84.16 2302.25 1.242 83.99 2303.25 1.242 83.81 2304.25 1.242 83.63 2305.25 1.242 83.46 2306.25 1.242 83.28 2307.25 1.242 83.11 2308.25 1.242 82.93 2309.25 1.242 82.76 2310.25 1.242 82.58 2311.25 1.242 82.40 2312.25 1.242 82.23 2313.25 1.241 82.05 2314.25 1.241 81.88 2315.25 1.241 81.70 2316.25 1.241 81.53 2317.25 1.241 81.35 2318.25 1.241 81.17 2319.25 1.241 81.00 2320.25 1.240 80.82 2321.25 1.240 80.65 2322.25 1.240 80.47 2323.25 1.240 80.29 2324.25 1.239 80.12 2325.25 1.239 79.94 2326.25 1.239 79.76 2327.25 1.239 79.59 2328.25 1.238 79.41 2329.25 1.238 79.23 2330.25 1.238 79.06 2331.25 1.238 78.88 2332.25 1.237 78.70 2333.25 1.237 78.53 2334.25 1.237 78.35 2335.25 1.236 78.17 2336.25 1.236 77.99 2337.25 1.236 77.82 2338.25 1.235 77.64 2339.25 1.235 77.46 2340.25 1.234 77.28 2341.25 1.234 77.11 2342.25 1.234 76.93 2343.25 1.233 76.75 2344.25 1.233 76.57 2345.25 1.232 76.39 2346.25 1.232 76.22 2347.25 1.231 76.04 2348.25 1.231 75.86 2349.25 1.231 75.68 2350.25 1.230 75.50 2351.25 1.230 75.32 2352.25 1.229 75.14 2353.25 1.229 74.96 2354.25 1.228 74.78 2355.25 1.227 74.60 2356.25 1.227 74.42 2357.25 1.226 74.24 2358.25 1.226 74.06 2359.25 1.225 73.88 2360.25 1.225 73.70 2361.25 1.224 73.52 2362.25 1.223 73.34
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:26:28 |