| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:33:52 |
| WDS: | HU657 | WDS ID/Discoverer |
| P: | 371.500 | Orbital period (years) |
| a: | 0.581 | Semi-major axis (arcseconds) |
| i: | 123.9 | Inclination (degrees) |
| Ω: | 162.0 | Longitude of ascending node (degrees) |
| T: | 1974.300 | Epoch of periastron passage (year) |
| e: | 0.74 | Eccentricity |
| ω: | 202.7 | Longitude of periastron (degrees) |
| Start-Year: | 1840.0 | Year |
| End-Year: | 2210.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 154540.74+504020.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15457+5040 | WDS designation |
| Discoverer Code: | HU657 | Discover designation and components |
| ADS number: | 9781 | Aitken Double Star catalog |
| HD number: | 234257 | HD catalog number |
| Hipparcos number: | 77188 | Hipparcos catalog number |
| V1: | 10.25 | Magnitude of the primary |
| V2: | 10.95 | 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: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.571 172.6 ------------------------- 1840.0 0.846 141.2 1841.0 0.843 141.1 1842.0 0.839 140.9 1843.0 0.836 140.7 1844.0 0.832 140.5 1845.0 0.829 140.4 1846.0 0.825 140.2 1847.0 0.821 140.0 1848.0 0.818 139.8 1849.0 0.814 139.6 1850.0 0.810 139.5 1851.0 0.806 139.3 1852.0 0.802 139.1 1853.0 0.798 138.9 1854.0 0.794 138.7 1855.0 0.790 138.5 1856.0 0.786 138.3 1857.0 0.782 138.1 1858.0 0.778 137.9 1859.0 0.774 137.7 1860.0 0.769 137.5 1861.0 0.765 137.3 1862.0 0.761 137.1 1863.0 0.756 136.9 1864.0 0.752 136.6 1865.0 0.747 136.4 1866.0 0.743 136.2 1867.0 0.738 136.0 1868.0 0.733 135.8 1869.0 0.729 135.5 1870.0 0.724 135.3 1871.0 0.719 135.1 1872.0 0.714 134.8 1873.0 0.709 134.6 1874.0 0.704 134.3 1875.0 0.699 134.1 1876.0 0.694 133.8 1877.0 0.689 133.6 1878.0 0.684 133.3 1879.0 0.679 133.0 1880.0 0.673 132.8 1881.0 0.668 132.5 1882.0 0.663 132.2 1883.0 0.657 131.9 1884.0 0.652 131.7 1885.0 0.646 131.4 1886.0 0.641 131.1 1887.0 0.635 130.8 1888.0 0.629 130.5 1889.0 0.624 130.1 1890.0 0.618 129.8 1891.0 0.612 129.5 1892.0 0.606 129.2 1893.0 0.600 128.8 1894.0 0.594 128.5 1895.0 0.588 128.1 1896.0 0.582 127.8 1897.0 0.576 127.4 1898.0 0.570 127.0 1899.0 0.564 126.7 1900.0 0.557 126.3 1901.0 0.551 125.9 1902.0 0.545 125.5 1903.0 0.538 125.0 1904.0 0.532 124.6 1905.0 0.525 124.2 1906.0 0.518 123.7 1907.0 0.512 123.3 1908.0 0.505 122.8 1909.0 0.498 122.3 1910.0 0.492 121.8 1911.0 0.485 121.3 1912.0 0.478 120.8 1913.0 0.471 120.2 1914.0 0.464 119.6 1915.0 0.457 119.1 1916.0 0.450 118.5 1917.0 0.443 117.9 1918.0 0.435 117.2 1919.0 0.428 116.6 1920.0 0.421 115.9 1921.0 0.414 115.2 1922.0 0.406 114.4 1923.0 0.399 113.7 1924.0 0.392 112.9 1925.0 0.384 112.1 1926.0 0.377 111.2 1927.0 0.369 110.4 1928.0 0.362 109.4 1929.0 0.354 108.5 1930.0 0.347 107.5 1931.0 0.339 106.4 1932.0 0.332 105.3 1933.0 0.324 104.2 1934.0 0.317 103.0 1935.0 0.309 101.8 1936.0 0.302 100.4 1937.0 0.294 99.1 1938.0 0.287 97.6 1939.0 0.279 96.1 1940.0 0.272 94.5 1941.0 0.265 92.8 1942.0 0.258 91.0 1943.0 0.250 89.0 1944.0 0.244 87.0 1945.0 0.237 84.9 1946.0 0.230 82.7 1947.0 0.224 80.3 1948.0 0.217 77.7 1949.0 0.211 75.1 1950.0 0.206 72.3 1951.0 0.200 69.3 1952.0 0.195 66.1 1953.0 0.190 62.8 1954.0 0.186 59.4 1955.0 0.182 55.7 1956.0 0.179 52.0 1957.0 0.176 48.0 1958.0 0.173 44.0 1959.0 0.171 39.8 1960.0 0.169 35.6 1961.0 0.168 31.3 1962.0 0.167 26.9 1963.0 0.167 22.5 1964.0 0.166 18.1 1965.0 0.166 13.6 1966.0 0.166 9.2 1967.0 0.166 4.7 1968.0 0.165 0.3 1969.0 0.164 355.7 1970.0 0.162 351.1 1971.0 0.159 346.4 1972.0 0.156 341.5 1973.0 0.151 336.2 1974.0 0.145 330.6 1975.0 0.138 324.5 1976.0 0.131 317.8 1977.0 0.124 310.2 1978.0 0.117 301.8 1979.0 0.112 292.4 1980.0 0.109 282.3 1981.0 0.108 271.9 1982.0 0.110 261.5 1983.0 0.114 251.7 1984.0 0.121 242.8 1985.0 0.130 234.9 1986.0 0.140 228.1 1987.0 0.151 222.3 1988.0 0.163 217.3 1989.0 0.175 213.0 1990.0 0.188 209.3 1991.0 0.201 206.1 1992.0 0.215 203.2 1993.0 0.228 200.7 1994.0 0.241 198.5 1995.0 0.254 196.5 1996.0 0.267 194.7 1997.0 0.280 193.0 1998.0 0.293 191.5 1999.0 0.305 190.2 2000.0 0.317 188.9 2001.0 0.330 187.7 2002.0 0.342 186.6 2003.0 0.353 185.6 2004.0 0.365 184.7 2005.0 0.377 183.8 2006.0 0.388 182.9 2007.0 0.399 182.1 2008.0 0.410 181.4 2009.0 0.421 180.7 2010.0 0.431 180.0 2011.0 0.442 179.4 2012.0 0.452 178.7 2013.0 0.462 178.1 2014.0 0.472 177.6 2015.0 0.482 177.0 2016.0 0.491 176.5 2017.0 0.501 176.0 2018.0 0.510 175.5 2019.0 0.519 175.1 2020.0 0.528 174.6 2021.0 0.537 174.2 2022.0 0.546 173.8 2023.0 0.555 173.4 2024.0 0.563 173.0 2025.0 0.571 172.6 2026.0 0.580 172.2 2027.0 0.588 171.9 2028.0 0.596 171.5 2029.0 0.603 171.2 2030.0 0.611 170.9 2031.0 0.619 170.5 2032.0 0.626 170.2 2033.0 0.634 169.9 2034.0 0.641 169.6 2035.0 0.648 169.3 2036.0 0.655 169.0 2037.0 0.662 168.7 2038.0 0.669 168.5 2039.0 0.675 168.2 2040.0 0.682 167.9 2041.0 0.688 167.7 2042.0 0.695 167.4 2043.0 0.701 167.1 2044.0 0.707 166.9 2045.0 0.714 166.7 2046.0 0.720 166.4 2047.0 0.725 166.2 2048.0 0.731 165.9 2049.0 0.737 165.7 2050.0 0.743 165.5 2051.0 0.748 165.3 2052.0 0.754 165.1 2053.0 0.759 164.8 2054.0 0.764 164.6 2055.0 0.770 164.4 2056.0 0.775 164.2 2057.0 0.780 164.0 2058.0 0.785 163.8 2059.0 0.790 163.6 2060.0 0.794 163.4 2061.0 0.799 163.2 2062.0 0.804 163.0 2063.0 0.808 162.8 2064.0 0.813 162.7 2065.0 0.817 162.5 2066.0 0.821 162.3 2067.0 0.826 162.1 2068.0 0.830 161.9 2069.0 0.834 161.8 2070.0 0.838 161.6 2071.0 0.842 161.4 2072.0 0.846 161.2 2073.0 0.850 161.1 2074.0 0.853 160.9 2075.0 0.857 160.7 2076.0 0.861 160.6 2077.0 0.864 160.4 2078.0 0.868 160.2 2079.0 0.871 160.1 2080.0 0.875 159.9 2081.0 0.878 159.7 2082.0 0.881 159.6 2083.0 0.884 159.4 2084.0 0.887 159.3 2085.0 0.890 159.1 2086.0 0.893 159.0 2087.0 0.896 158.8 2088.0 0.899 158.7 2089.0 0.902 158.5 2090.0 0.904 158.4 2091.0 0.907 158.2 2092.0 0.910 158.1 2093.0 0.912 157.9 2094.0 0.915 157.8 2095.0 0.917 157.6 2096.0 0.919 157.5 2097.0 0.922 157.3 2098.0 0.924 157.2 2099.0 0.926 157.0 2100.0 0.928 156.9 2101.0 0.930 156.8 2102.0 0.932 156.6 2103.0 0.934 156.5 2104.0 0.936 156.3 2105.0 0.938 156.2 2106.0 0.940 156.1 2107.0 0.941 155.9 2108.0 0.943 155.8 2109.0 0.944 155.6 2110.0 0.946 155.5 2111.0 0.947 155.4 2112.0 0.949 155.2 2113.0 0.950 155.1 2114.0 0.952 155.0 2115.0 0.953 154.8 2116.0 0.954 154.7 2117.0 0.955 154.6 2118.0 0.956 154.4 2119.0 0.957 154.3 2120.0 0.958 154.1 2121.0 0.959 154.0 2122.0 0.960 153.9 2123.0 0.961 153.7 2124.0 0.962 153.6 2125.0 0.963 153.5 2126.0 0.963 153.4 2127.0 0.964 153.2 2128.0 0.965 153.1 2129.0 0.965 153.0 2130.0 0.966 152.8 2131.0 0.966 152.7 2132.0 0.967 152.6 2133.0 0.967 152.4 2134.0 0.967 152.3 2135.0 0.967 152.2 2136.0 0.968 152.0 2137.0 0.968 151.9 2138.0 0.968 151.8 2139.0 0.968 151.6 2140.0 0.968 151.5 2141.0 0.968 151.4 2142.0 0.968 151.3 2143.0 0.968 151.1 2144.0 0.967 151.0 2145.0 0.967 150.9 2146.0 0.967 150.7 2147.0 0.966 150.6 2148.0 0.966 150.5 2149.0 0.966 150.3 2150.0 0.965 150.2 2151.0 0.965 150.1 2152.0 0.964 149.9 2153.0 0.963 149.8 2154.0 0.963 149.7 2155.0 0.962 149.5 2156.0 0.961 149.4 2157.0 0.960 149.3 2158.0 0.960 149.1 2159.0 0.959 149.0 2160.0 0.958 148.9 2161.0 0.957 148.7 2162.0 0.956 148.6 2163.0 0.955 148.5 2164.0 0.953 148.3 2165.0 0.952 148.2 2166.0 0.951 148.1 2167.0 0.950 147.9 2168.0 0.948 147.8 2169.0 0.947 147.7 2170.0 0.946 147.5 2171.0 0.944 147.4 2172.0 0.943 147.2 2173.0 0.941 147.1 2174.0 0.939 147.0 2175.0 0.938 146.8 2176.0 0.936 146.7 2177.0 0.934 146.5 2178.0 0.933 146.4 2179.0 0.931 146.3 2180.0 0.929 146.1 2181.0 0.927 146.0 2182.0 0.925 145.8 2183.0 0.923 145.7 2184.0 0.921 145.6 2185.0 0.919 145.4 2186.0 0.917 145.3 2187.0 0.914 145.1 2188.0 0.912 145.0 2189.0 0.910 144.8 2190.0 0.907 144.7 2191.0 0.905 144.5 2192.0 0.903 144.4 2193.0 0.900 144.2 2194.0 0.898 144.1 2195.0 0.895 143.9 2196.0 0.892 143.8 2197.0 0.890 143.6 2198.0 0.887 143.5 2199.0 0.884 143.3 2200.0 0.882 143.1 2201.0 0.879 143.0 2202.0 0.876 142.8 2203.0 0.873 142.7 2204.0 0.870 142.5 2205.0 0.867 142.3 2206.0 0.864 142.2 2207.0 0.861 142.0 2208.0 0.857 141.8 2209.0 0.854 141.7