| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:57:39 |
| 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: | 1788.0 | Year |
| End-Year: | 2262.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.507 125.1 ------------------------- 1788.0 1.419 220.7 1789.0 1.425 220.1 1790.0 1.431 219.6 1791.0 1.436 219.0 1792.0 1.442 218.5 1793.0 1.447 218.0 1794.0 1.453 217.4 1795.0 1.458 216.9 1796.0 1.464 216.4 1797.0 1.469 215.9 1798.0 1.475 215.3 1799.0 1.480 214.8 1800.0 1.485 214.3 1801.0 1.490 213.8 1802.0 1.495 213.3 1803.0 1.500 212.8 1804.0 1.505 212.3 1805.0 1.510 211.8 1806.0 1.515 211.4 1807.0 1.520 210.9 1808.0 1.525 210.4 1809.0 1.530 209.9 1810.0 1.535 209.4 1811.0 1.539 209.0 1812.0 1.544 208.5 1813.0 1.549 208.0 1814.0 1.553 207.6 1815.0 1.558 207.1 1816.0 1.562 206.6 1817.0 1.567 206.2 1818.0 1.571 205.7 1819.0 1.575 205.3 1820.0 1.579 204.8 1821.0 1.584 204.4 1822.0 1.588 203.9 1823.0 1.592 203.5 1824.0 1.596 203.1 1825.0 1.600 202.6 1826.0 1.604 202.2 1827.0 1.608 201.8 1828.0 1.612 201.3 1829.0 1.616 200.9 1830.0 1.620 200.5 1831.0 1.623 200.0 1832.0 1.627 199.6 1833.0 1.631 199.2 1834.0 1.634 198.8 1835.0 1.638 198.4 1836.0 1.641 198.0 1837.0 1.645 197.5 1838.0 1.648 197.1 1839.0 1.652 196.7 1840.0 1.655 196.3 1841.0 1.658 195.9 1842.0 1.662 195.5 1843.0 1.665 195.1 1844.0 1.668 194.7 1845.0 1.671 194.3 1846.0 1.674 193.9 1847.0 1.677 193.5 1848.0 1.680 193.1 1849.0 1.683 192.7 1850.0 1.686 192.3 1851.0 1.689 191.9 1852.0 1.691 191.5 1853.0 1.694 191.1 1854.0 1.697 190.8 1855.0 1.699 190.4 1856.0 1.702 190.0 1857.0 1.705 189.6 1858.0 1.707 189.2 1859.0 1.710 188.8 1860.0 1.712 188.4 1861.0 1.714 188.1 1862.0 1.717 187.7 1863.0 1.719 187.3 1864.0 1.721 186.9 1865.0 1.723 186.6 1866.0 1.726 186.2 1867.0 1.728 185.8 1868.0 1.730 185.4 1869.0 1.732 185.1 1870.0 1.734 184.7 1871.0 1.736 184.3 1872.0 1.738 183.9 1873.0 1.739 183.6 1874.0 1.741 183.2 1875.0 1.743 182.8 1876.0 1.745 182.5 1877.0 1.746 182.1 1878.0 1.748 181.7 1879.0 1.749 181.4 1880.0 1.751 181.0 1881.0 1.752 180.7 1882.0 1.754 180.3 1883.0 1.755 179.9 1884.0 1.757 179.6 1885.0 1.758 179.2 1886.0 1.759 178.8 1887.0 1.760 178.5 1888.0 1.762 178.1 1889.0 1.763 177.8 1890.0 1.764 177.4 1891.0 1.765 177.0 1892.0 1.766 176.7 1893.0 1.767 176.3 1894.0 1.768 176.0 1895.0 1.769 175.6 1896.0 1.769 175.3 1897.0 1.770 174.9 1898.0 1.771 174.5 1899.0 1.772 174.2 1900.0 1.772 173.8 1901.0 1.773 173.5 1902.0 1.773 173.1 1903.0 1.774 172.8 1904.0 1.774 172.4 1905.0 1.775 172.1 1906.0 1.775 171.7 1907.0 1.775 171.4 1908.0 1.776 171.0 1909.0 1.776 170.6 1910.0 1.776 170.3 1911.0 1.776 169.9 1912.0 1.777 169.6 1913.0 1.777 169.2 1914.0 1.777 168.9 1915.0 1.777 168.5 1916.0 1.777 168.2 1917.0 1.776 167.8 1918.0 1.776 167.5 1919.0 1.776 167.1 1920.0 1.776 166.8 1921.0 1.776 166.4 1922.0 1.775 166.0 1923.0 1.775 165.7 1924.0 1.775 165.3 1925.0 1.774 165.0 1926.0 1.774 164.6 1927.0 1.773 164.3 1928.0 1.773 163.9 1929.0 1.772 163.6 1930.0 1.771 163.2 1931.0 1.771 162.9 1932.0 1.770 162.5 1933.0 1.769 162.1 1934.0 1.768 161.8 1935.0 1.767 161.4 1936.0 1.766 161.1 1937.0 1.765 160.7 1938.0 1.764 160.4 1939.0 1.763 160.0 1940.0 1.762 159.6 1941.0 1.761 159.3 1942.0 1.760 158.9 1943.0 1.759 158.6 1944.0 1.757 158.2 1945.0 1.756 157.8 1946.0 1.755 157.5 1947.0 1.753 157.1 1948.0 1.752 156.7 1949.0 1.750 156.4 1950.0 1.749 156.0 1951.0 1.747 155.7 1952.0 1.746 155.3 1953.0 1.744 154.9 1954.0 1.742 154.6 1955.0 1.741 154.2 1956.0 1.739 153.8 1957.0 1.737 153.4 1958.0 1.735 153.1 1959.0 1.733 152.7 1960.0 1.731 152.3 1961.0 1.729 152.0 1962.0 1.727 151.6 1963.0 1.725 151.2 1964.0 1.723 150.8 1965.0 1.721 150.5 1966.0 1.718 150.1 1967.0 1.716 149.7 1968.0 1.714 149.3 1969.0 1.711 148.9 1970.0 1.709 148.6 1971.0 1.707 148.2 1972.0 1.704 147.8 1973.0 1.702 147.4 1974.0 1.699 147.0 1975.0 1.696 146.6 1976.0 1.694 146.2 1977.0 1.691 145.9 1978.0 1.688 145.5 1979.0 1.685 145.1 1980.0 1.682 144.7 1981.0 1.680 144.3 1982.0 1.677 143.9 1983.0 1.674 143.5 1984.0 1.671 143.1 1985.0 1.668 142.7 1986.0 1.664 142.3 1987.0 1.661 141.9 1988.0 1.658 141.5 1989.0 1.655 141.1 1990.0 1.651 140.7 1991.0 1.648 140.3 1992.0 1.645 139.8 1993.0 1.641 139.4 1994.0 1.638 139.0 1995.0 1.634 138.6 1996.0 1.631 138.2 1997.0 1.627 137.8 1998.0 1.623 137.3 1999.0 1.620 136.9 2000.0 1.616 136.5 2001.0 1.612 136.1 2002.0 1.608 135.6 2003.0 1.604 135.2 2004.0 1.600 134.8 2005.0 1.597 134.3 2006.0 1.592 133.9 2007.0 1.588 133.4 2008.0 1.584 133.0 2009.0 1.580 132.6 2010.0 1.576 132.1 2011.0 1.572 131.7 2012.0 1.567 131.2 2013.0 1.563 130.7 2014.0 1.559 130.3 2015.0 1.554 129.8 2016.0 1.550 129.4 2017.0 1.545 128.9 2018.0 1.541 128.4 2019.0 1.536 128.0 2020.0 1.531 127.5 2021.0 1.527 127.0 2022.0 1.522 126.5 2023.0 1.517 126.0 2024.0 1.512 125.6 2025.0 1.507 125.1 2026.0 1.502 124.6 2027.0 1.497 124.1 2028.0 1.492 123.6 2029.0 1.487 123.1 2030.0 1.482 122.6 2031.0 1.477 122.1 2032.0 1.472 121.5 2033.0 1.466 121.0 2034.0 1.461 120.5 2035.0 1.456 120.0 2036.0 1.450 119.5 2037.0 1.445 118.9 2038.0 1.439 118.4 2039.0 1.434 117.8 2040.0 1.428 117.3 2041.0 1.423 116.8 2042.0 1.417 116.2 2043.0 1.411 115.6 2044.0 1.406 115.1 2045.0 1.400 114.5 2046.0 1.394 113.9 2047.0 1.388 113.4 2048.0 1.382 112.8 2049.0 1.376 112.2 2050.0 1.370 111.6 2051.0 1.364 111.0 2052.0 1.358 110.4 2053.0 1.352 109.8 2054.0 1.345 109.2 2055.0 1.339 108.6 2056.0 1.333 107.9 2057.0 1.327 107.3 2058.0 1.320 106.7 2059.0 1.314 106.0 2060.0 1.307 105.4 2061.0 1.301 104.7 2062.0 1.294 104.1 2063.0 1.288 103.4 2064.0 1.281 102.7 2065.0 1.274 102.0 2066.0 1.268 101.3 2067.0 1.261 100.6 2068.0 1.254 99.9 2069.0 1.247 99.2 2070.0 1.240 98.5 2071.0 1.234 97.8 2072.0 1.227 97.0 2073.0 1.220 96.3 2074.0 1.213 95.5 2075.0 1.206 94.8 2076.0 1.199 94.0 2077.0 1.191 93.2 2078.0 1.184 92.4 2079.0 1.177 91.6 2080.0 1.170 90.8 2081.0 1.163 90.0 2082.0 1.155 89.2 2083.0 1.148 88.3 2084.0 1.141 87.5 2085.0 1.133 86.6 2086.0 1.126 85.7 2087.0 1.119 84.8 2088.0 1.111 84.0 2089.0 1.104 83.0 2090.0 1.096 82.1 2091.0 1.089 81.2 2092.0 1.081 80.2 2093.0 1.074 79.3 2094.0 1.066 78.3 2095.0 1.059 77.3 2096.0 1.051 76.3 2097.0 1.044 75.3 2098.0 1.036 74.3 2099.0 1.029 73.2 2100.0 1.021 72.2 2101.0 1.014 71.1 2102.0 1.006 70.0 2103.0 0.999 68.9 2104.0 0.991 67.7 2105.0 0.984 66.6 2106.0 0.976 65.4 2107.0 0.969 64.3 2108.0 0.961 63.1 2109.0 0.954 61.8 2110.0 0.947 60.6 2111.0 0.939 59.4 2112.0 0.932 58.1 2113.0 0.925 56.8 2114.0 0.918 55.5 2115.0 0.911 54.1 2116.0 0.904 52.8 2117.0 0.897 51.4 2118.0 0.890 50.0 2119.0 0.883 48.6 2120.0 0.876 47.1 2121.0 0.869 45.7 2122.0 0.863 44.2 2123.0 0.856 42.7 2124.0 0.850 41.1 2125.0 0.844 39.6 2126.0 0.838 38.0 2127.0 0.832 36.4 2128.0 0.826 34.8 2129.0 0.820 33.1 2130.0 0.815 31.5 2131.0 0.809 29.8 2132.0 0.804 28.1 2133.0 0.799 26.3 2134.0 0.794 24.6 2135.0 0.789 22.8 2136.0 0.785 21.0 2137.0 0.781 19.2 2138.0 0.777 17.3 2139.0 0.773 15.5 2140.0 0.769 13.6 2141.0 0.766 11.7 2142.0 0.763 9.8 2143.0 0.760 7.8 2144.0 0.757 5.9 2145.0 0.755 4.0 2146.0 0.752 2.0 2147.0 0.751 0.0 2148.0 0.749 358.0 2149.0 0.748 356.0 2150.0 0.747 354.0 2151.0 0.746 352.0 2152.0 0.745 350.0 2153.0 0.745 348.0 2154.0 0.745 346.0 2155.0 0.746 344.0 2156.0 0.746 342.0 2157.0 0.747 340.0 2158.0 0.748 338.0 2159.0 0.750 336.0 2160.0 0.752 334.0 2161.0 0.754 332.1 2162.0 0.756 330.1 2163.0 0.759 328.2 2164.0 0.762 326.2 2165.0 0.765 324.3 2166.0 0.768 322.4 2167.0 0.772 320.5 2168.0 0.775 318.7 2169.0 0.779 316.8 2170.0 0.784 315.0 2171.0 0.788 313.2 2172.0 0.793 311.4 2173.0 0.798 309.6 2174.0 0.803 307.9 2175.0 0.808 306.2 2176.0 0.814 304.5 2177.0 0.819 302.8 2178.0 0.825 301.1 2179.0 0.831 299.5 2180.0 0.837 297.9 2181.0 0.843 296.3 2182.0 0.849 294.8 2183.0 0.856 293.2 2184.0 0.862 291.7 2185.0 0.869 290.2 2186.0 0.876 288.8 2187.0 0.883 287.3 2188.0 0.890 285.9 2189.0 0.897 284.5 2190.0 0.904 283.1 2191.0 0.911 281.8 2192.0 0.918 280.4 2193.0 0.925 279.1 2194.0 0.933 277.8 2195.0 0.940 276.6 2196.0 0.948 275.3 2197.0 0.955 274.1 2198.0 0.963 272.9 2199.0 0.970 271.7 2200.0 0.978 270.5 2201.0 0.985 269.3 2202.0 0.993 268.2 2203.0 1.001 267.1 2204.0 1.008 266.0 2205.0 1.016 264.9 2206.0 1.024 263.8 2207.0 1.031 262.7 2208.0 1.039 261.7 2209.0 1.047 260.7 2210.0 1.054 259.7 2211.0 1.062 258.7 2212.0 1.070 257.7 2213.0 1.077 256.7 2214.0 1.085 255.8 2215.0 1.092 254.8 2216.0 1.100 253.9 2217.0 1.108 253.0 2218.0 1.115 252.1 2219.0 1.123 251.2 2220.0 1.130 250.3 2221.0 1.138 249.4 2222.0 1.145 248.6 2223.0 1.153 247.7 2224.0 1.160 246.9 2225.0 1.168 246.1 2226.0 1.175 245.3 2227.0 1.182 244.4 2228.0 1.190 243.7 2229.0 1.197 242.9 2230.0 1.204 242.1 2231.0 1.211 241.3 2232.0 1.218 240.6 2233.0 1.225 239.8 2234.0 1.233 239.1 2235.0 1.240 238.4 2236.0 1.247 237.6 2237.0 1.254 236.9 2238.0 1.260 236.2 2239.0 1.267 235.5 2240.0 1.274 234.8 2241.0 1.281 234.1 2242.0 1.288 233.5 2243.0 1.294 232.8 2244.0 1.301 232.1 2245.0 1.308 231.5 2246.0 1.314 230.8 2247.0 1.321 230.2 2248.0 1.327 229.5 2249.0 1.334 228.9 2250.0 1.340 228.3 2251.0 1.347 227.7 2252.0 1.353 227.1 2253.0 1.359 226.5 2254.0 1.365 225.9 2255.0 1.371 225.3 2256.0 1.378 224.7 2257.0 1.384 224.1 2258.0 1.390 223.5 2259.0 1.396 222.9 2260.0 1.402 222.4 2261.0 1.408 221.8