| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:21:45 |
| WDS: | BU164AB | WDS ID/Discoverer |
| P: | 361.540 | Orbital period (years) |
| a: | 0.555 | Semi-major axis (arcseconds) |
| i: | 104.5 | Inclination (degrees) |
| Ω: | 79.3 | Longitude of ascending node (degrees) |
| T: | 2023.740 | Epoch of periastron passage (year) |
| e: | 0.875 | Eccentricity |
| ω: | 47.7 | Longitude of periastron (degrees) |
| Start-Year: | 1845.0 | Year |
| End-Year: | 2205.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 212505.66+092302.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21251+0923 | WDS designation |
| Discoverer Code: | BU164AB | Discover designation and components |
| ADS number: | 14954 | Aitken Double Star catalog |
| HD number: | 203943 | HD catalog number |
| Hipparcos number: | 105747 | Hipparcos catalog number |
| V1: | 8.17 | Magnitude of the primary |
| V2: | 8.30 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.021 11.6 ------------------------- 1845.0 0.723 243.8 1846.0 0.721 243.7 1847.0 0.719 243.6 1848.0 0.718 243.6 1849.0 0.716 243.5 1850.0 0.714 243.4 1851.0 0.712 243.3 1852.0 0.710 243.3 1853.0 0.708 243.2 1854.0 0.706 243.1 1855.0 0.704 243.0 1856.0 0.702 243.0 1857.0 0.700 242.9 1858.0 0.698 242.8 1859.0 0.696 242.7 1860.0 0.693 242.7 1861.0 0.691 242.6 1862.0 0.689 242.5 1863.0 0.687 242.4 1864.0 0.684 242.3 1865.0 0.682 242.3 1866.0 0.680 242.2 1867.0 0.677 242.1 1868.0 0.675 242.0 1869.0 0.672 241.9 1870.0 0.670 241.9 1871.0 0.667 241.8 1872.0 0.665 241.7 1873.0 0.662 241.6 1874.0 0.660 241.5 1875.0 0.657 241.4 1876.0 0.654 241.4 1877.0 0.652 241.3 1878.0 0.649 241.2 1879.0 0.646 241.1 1880.0 0.643 241.0 1881.0 0.640 240.9 1882.0 0.638 240.8 1883.0 0.635 240.7 1884.0 0.632 240.6 1885.0 0.629 240.5 1886.0 0.626 240.4 1887.0 0.623 240.3 1888.0 0.620 240.3 1889.0 0.617 240.2 1890.0 0.614 240.1 1891.0 0.610 240.0 1892.0 0.607 239.9 1893.0 0.604 239.8 1894.0 0.601 239.7 1895.0 0.598 239.6 1896.0 0.594 239.4 1897.0 0.591 239.3 1898.0 0.588 239.2 1899.0 0.584 239.1 1900.0 0.581 239.0 1901.0 0.577 238.9 1902.0 0.574 238.8 1903.0 0.570 238.7 1904.0 0.567 238.6 1905.0 0.563 238.4 1906.0 0.560 238.3 1907.0 0.556 238.2 1908.0 0.552 238.1 1909.0 0.549 238.0 1910.0 0.545 237.8 1911.0 0.541 237.7 1912.0 0.537 237.6 1913.0 0.534 237.5 1914.0 0.530 237.3 1915.0 0.526 237.2 1916.0 0.522 237.1 1917.0 0.518 236.9 1918.0 0.514 236.8 1919.0 0.510 236.6 1920.0 0.506 236.5 1921.0 0.502 236.3 1922.0 0.498 236.2 1923.0 0.494 236.0 1924.0 0.490 235.9 1925.0 0.486 235.7 1926.0 0.481 235.6 1927.0 0.477 235.4 1928.0 0.473 235.3 1929.0 0.468 235.1 1930.0 0.464 234.9 1931.0 0.460 234.7 1932.0 0.455 234.6 1933.0 0.451 234.4 1934.0 0.446 234.2 1935.0 0.442 234.0 1936.0 0.437 233.8 1937.0 0.433 233.6 1938.0 0.428 233.4 1939.0 0.424 233.2 1940.0 0.419 233.0 1941.0 0.414 232.8 1942.0 0.410 232.6 1943.0 0.405 232.3 1944.0 0.400 232.1 1945.0 0.395 231.9 1946.0 0.390 231.6 1947.0 0.385 231.4 1948.0 0.381 231.1 1949.0 0.376 230.9 1950.0 0.371 230.6 1951.0 0.366 230.3 1952.0 0.361 230.1 1953.0 0.355 229.8 1954.0 0.350 229.5 1955.0 0.345 229.2 1956.0 0.340 228.8 1957.0 0.335 228.5 1958.0 0.330 228.2 1959.0 0.324 227.8 1960.0 0.319 227.5 1961.0 0.314 227.1 1962.0 0.308 226.7 1963.0 0.303 226.3 1964.0 0.298 225.9 1965.0 0.292 225.5 1966.0 0.287 225.0 1967.0 0.281 224.6 1968.0 0.276 224.1 1969.0 0.270 223.6 1970.0 0.265 223.1 1971.0 0.259 222.5 1972.0 0.253 222.0 1973.0 0.248 221.4 1974.0 0.242 220.8 1975.0 0.236 220.1 1976.0 0.231 219.4 1977.0 0.225 218.7 1978.0 0.219 217.9 1979.0 0.213 217.2 1980.0 0.208 216.3 1981.0 0.202 215.4 1982.0 0.196 214.5 1983.0 0.190 213.5 1984.0 0.185 212.4 1985.0 0.179 211.3 1986.0 0.173 210.1 1987.0 0.167 208.8 1988.0 0.162 207.4 1989.0 0.156 206.0 1990.0 0.150 204.4 1991.0 0.145 202.7 1992.0 0.139 200.8 1993.0 0.134 198.9 1994.0 0.129 196.7 1995.0 0.124 194.4 1996.0 0.119 191.8 1997.0 0.114 189.1 1998.0 0.109 186.1 1999.0 0.105 182.9 2000.0 0.101 179.3 2001.0 0.097 175.6 2002.0 0.094 171.5 2003.0 0.091 167.1 2004.0 0.088 162.5 2005.0 0.086 157.6 2006.0 0.085 152.6 2007.0 0.084 147.4 2008.0 0.084 142.1 2009.0 0.084 136.8 2010.0 0.085 131.6 2011.0 0.086 126.5 2012.0 0.088 121.6 2013.0 0.090 116.8 2014.0 0.092 112.3 2015.0 0.094 108.0 2016.0 0.096 103.9 2017.0 0.098 99.9 2018.0 0.099 96.1 2019.0 0.099 92.3 2020.0 0.097 88.4 2021.0 0.092 84.2 2022.0 0.082 79.3 2023.0 0.065 72.5 2024.0 0.042 59.1 2025.0 0.021 11.6 2026.0 0.033 300.2 2027.0 0.060 281.1 2028.0 0.087 274.1 2029.0 0.113 270.3 2030.0 0.136 267.9 2031.0 0.158 266.1 2032.0 0.178 264.8 2033.0 0.198 263.8 2034.0 0.216 262.9 2035.0 0.233 262.1 2036.0 0.249 261.5 2037.0 0.265 260.9 2038.0 0.279 260.4 2039.0 0.293 260.0 2040.0 0.307 259.6 2041.0 0.320 259.2 2042.0 0.333 258.8 2043.0 0.345 258.5 2044.0 0.356 258.2 2045.0 0.367 257.9 2046.0 0.378 257.7 2047.0 0.389 257.4 2048.0 0.399 257.2 2049.0 0.409 256.9 2050.0 0.419 256.7 2051.0 0.428 256.5 2052.0 0.437 256.3 2053.0 0.446 256.1 2054.0 0.454 256.0 2055.0 0.463 255.8 2056.0 0.471 255.6 2057.0 0.479 255.4 2058.0 0.486 255.3 2059.0 0.494 255.1 2060.0 0.501 255.0 2061.0 0.508 254.8 2062.0 0.515 254.7 2063.0 0.522 254.5 2064.0 0.529 254.4 2065.0 0.535 254.3 2066.0 0.542 254.2 2067.0 0.548 254.0 2068.0 0.554 253.9 2069.0 0.560 253.8 2070.0 0.566 253.7 2071.0 0.571 253.6 2072.0 0.577 253.4 2073.0 0.582 253.3 2074.0 0.588 253.2 2075.0 0.593 253.1 2076.0 0.598 253.0 2077.0 0.603 252.9 2078.0 0.608 252.8 2079.0 0.613 252.7 2080.0 0.617 252.6 2081.0 0.622 252.5 2082.0 0.626 252.4 2083.0 0.631 252.3 2084.0 0.635 252.2 2085.0 0.639 252.1 2086.0 0.643 252.0 2087.0 0.647 252.0 2088.0 0.651 251.9 2089.0 0.655 251.8 2090.0 0.658 251.7 2091.0 0.662 251.6 2092.0 0.666 251.5 2093.0 0.669 251.4 2094.0 0.673 251.4 2095.0 0.676 251.3 2096.0 0.679 251.2 2097.0 0.682 251.1 2098.0 0.685 251.0 2099.0 0.688 251.0 2100.0 0.691 250.9 2101.0 0.694 250.8 2102.0 0.697 250.7 2103.0 0.700 250.6 2104.0 0.703 250.6 2105.0 0.705 250.5 2106.0 0.708 250.4 2107.0 0.710 250.4 2108.0 0.713 250.3 2109.0 0.715 250.2 2110.0 0.717 250.1 2111.0 0.720 250.1 2112.0 0.722 250.0 2113.0 0.724 249.9 2114.0 0.726 249.8 2115.0 0.728 249.8 2116.0 0.730 249.7 2117.0 0.732 249.6 2118.0 0.734 249.6 2119.0 0.735 249.5 2120.0 0.737 249.4 2121.0 0.739 249.4 2122.0 0.740 249.3 2123.0 0.742 249.2 2124.0 0.743 249.2 2125.0 0.745 249.1 2126.0 0.746 249.0 2127.0 0.748 249.0 2128.0 0.749 248.9 2129.0 0.750 248.8 2130.0 0.751 248.8 2131.0 0.753 248.7 2132.0 0.754 248.6 2133.0 0.755 248.6 2134.0 0.756 248.5 2135.0 0.757 248.4 2136.0 0.758 248.4 2137.0 0.759 248.3 2138.0 0.759 248.2 2139.0 0.760 248.2 2140.0 0.761 248.1 2141.0 0.762 248.0 2142.0 0.762 248.0 2143.0 0.763 247.9 2144.0 0.764 247.9 2145.0 0.764 247.8 2146.0 0.765 247.7 2147.0 0.765 247.7 2148.0 0.765 247.6 2149.0 0.766 247.5 2150.0 0.766 247.5 2151.0 0.766 247.4 2152.0 0.767 247.3 2153.0 0.767 247.3 2154.0 0.767 247.2 2155.0 0.767 247.2 2156.0 0.767 247.1 2157.0 0.767 247.0 2158.0 0.767 247.0 2159.0 0.767 246.9 2160.0 0.767 246.8 2161.0 0.767 246.8 2162.0 0.767 246.7 2163.0 0.766 246.7 2164.0 0.766 246.6 2165.0 0.766 246.5 2166.0 0.766 246.5 2167.0 0.765 246.4 2168.0 0.765 246.3 2169.0 0.764 246.3 2170.0 0.764 246.2 2171.0 0.763 246.1 2172.0 0.763 246.1 2173.0 0.762 246.0 2174.0 0.762 246.0 2175.0 0.761 245.9 2176.0 0.760 245.8 2177.0 0.760 245.8 2178.0 0.759 245.7 2179.0 0.758 245.6 2180.0 0.757 245.6 2181.0 0.756 245.5 2182.0 0.756 245.4 2183.0 0.755 245.4 2184.0 0.754 245.3 2185.0 0.753 245.2 2186.0 0.752 245.2 2187.0 0.751 245.1 2188.0 0.749 245.0 2189.0 0.748 245.0 2190.0 0.747 244.9 2191.0 0.746 244.8 2192.0 0.745 244.8 2193.0 0.743 244.7 2194.0 0.742 244.6 2195.0 0.741 244.6 2196.0 0.739 244.5 2197.0 0.738 244.4 2198.0 0.737 244.4 2199.0 0.735 244.3 2200.0 0.734 244.2 2201.0 0.732 244.2 2202.0 0.730 244.1 2203.0 0.729 244.0 2204.0 0.727 244.0