| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:04:22 |
| WDS: | I506 | WDS ID/Discoverer |
| P: | 585.000 | Orbital period (years) |
| a: | 1.94 | Semi-major axis (arcseconds) |
| i: | 71.3 | Inclination (degrees) |
| Ω: | 87.6 | Longitude of ascending node (degrees) |
| T: | 2460.000 | Epoch of periastron passage (year) |
| e: | 0.634 | Eccentricity |
| ω: | 301.3 | Longitude of periastron (degrees) |
| Start-Year: | 1733.0 | Year |
| End-Year: | 2317.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 111904.62-310022.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11191-3100 | WDS designation |
| Discoverer Code: | I506 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 98415 | HD catalog number |
| Hipparcos number: | 55258 | Hipparcos catalog number |
| V1: | 8.24 | Magnitude of the primary |
| V2: | 9.37 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 5 | 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 0.842 185.0 ------------------------- 1733.0 2.281 258.1 1734.0 2.278 258.2 1735.0 2.275 258.3 1736.0 2.272 258.4 1737.0 2.268 258.5 1738.0 2.265 258.6 1739.0 2.262 258.7 1740.0 2.258 258.9 1741.0 2.254 259.0 1742.0 2.250 259.1 1743.0 2.246 259.2 1744.0 2.242 259.3 1745.0 2.238 259.4 1746.0 2.234 259.5 1747.0 2.229 259.7 1748.0 2.225 259.8 1749.0 2.220 259.9 1750.0 2.215 260.0 1751.0 2.210 260.1 1752.0 2.205 260.2 1753.0 2.200 260.4 1754.0 2.195 260.5 1755.0 2.189 260.6 1756.0 2.184 260.7 1757.0 2.178 260.8 1758.0 2.172 261.0 1759.0 2.166 261.1 1760.0 2.160 261.2 1761.0 2.153 261.3 1762.0 2.147 261.5 1763.0 2.140 261.6 1764.0 2.133 261.7 1765.0 2.126 261.8 1766.0 2.119 262.0 1767.0 2.112 262.1 1768.0 2.105 262.2 1769.0 2.097 262.3 1770.0 2.089 262.5 1771.0 2.082 262.6 1772.0 2.074 262.7 1773.0 2.065 262.9 1774.0 2.057 263.0 1775.0 2.048 263.1 1776.0 2.040 263.3 1777.0 2.031 263.4 1778.0 2.022 263.6 1779.0 2.012 263.7 1780.0 2.003 263.8 1781.0 1.993 264.0 1782.0 1.983 264.1 1783.0 1.973 264.3 1784.0 1.963 264.4 1785.0 1.953 264.6 1786.0 1.942 264.7 1787.0 1.931 264.9 1788.0 1.920 265.0 1789.0 1.909 265.2 1790.0 1.898 265.4 1791.0 1.886 265.5 1792.0 1.874 265.7 1793.0 1.862 265.8 1794.0 1.850 266.0 1795.0 1.837 266.2 1796.0 1.825 266.3 1797.0 1.812 266.5 1798.0 1.798 266.7 1799.0 1.785 266.9 1800.0 1.771 267.1 1801.0 1.757 267.2 1802.0 1.743 267.4 1803.0 1.728 267.6 1804.0 1.714 267.8 1805.0 1.699 268.0 1806.0 1.683 268.2 1807.0 1.668 268.4 1808.0 1.652 268.6 1809.0 1.636 268.8 1810.0 1.619 269.1 1811.0 1.603 269.3 1812.0 1.586 269.5 1813.0 1.568 269.7 1814.0 1.551 270.0 1815.0 1.533 270.2 1816.0 1.514 270.5 1817.0 1.496 270.7 1818.0 1.477 271.0 1819.0 1.458 271.2 1820.0 1.438 271.5 1821.0 1.418 271.8 1822.0 1.398 272.1 1823.0 1.377 272.4 1824.0 1.356 272.7 1825.0 1.334 273.0 1826.0 1.313 273.3 1827.0 1.290 273.7 1828.0 1.268 274.0 1829.0 1.245 274.4 1830.0 1.222 274.8 1831.0 1.198 275.2 1832.0 1.173 275.6 1833.0 1.149 276.0 1834.0 1.124 276.4 1835.0 1.098 276.9 1836.0 1.072 277.4 1837.0 1.046 277.9 1838.0 1.019 278.4 1839.0 0.992 279.0 1840.0 0.964 279.6 1841.0 0.936 280.2 1842.0 0.907 280.9 1843.0 0.878 281.6 1844.0 0.849 282.4 1845.0 0.819 283.2 1846.0 0.789 284.1 1847.0 0.758 285.1 1848.0 0.727 286.1 1849.0 0.695 287.3 1850.0 0.663 288.5 1851.0 0.631 289.9 1852.0 0.599 291.4 1853.0 0.567 293.1 1854.0 0.534 295.0 1855.0 0.502 297.1 1856.0 0.469 299.6 1857.0 0.437 302.4 1858.0 0.406 305.6 1859.0 0.376 309.4 1860.0 0.347 313.8 1861.0 0.320 319.0 1862.0 0.295 325.1 1863.0 0.274 332.2 1864.0 0.257 340.4 1865.0 0.246 349.5 1866.0 0.241 359.2 1867.0 0.242 9.1 1868.0 0.251 18.6 1869.0 0.265 27.3 1870.0 0.283 35.0 1871.0 0.306 41.6 1872.0 0.331 47.3 1873.0 0.359 52.1 1874.0 0.387 56.2 1875.0 0.417 59.8 1876.0 0.447 62.9 1877.0 0.477 65.6 1878.0 0.507 67.9 1879.0 0.536 70.1 1880.0 0.565 71.9 1881.0 0.594 73.7 1882.0 0.621 75.2 1883.0 0.648 76.6 1884.0 0.673 78.0 1885.0 0.698 79.2 1886.0 0.721 80.3 1887.0 0.744 81.4 1888.0 0.765 82.4 1889.0 0.785 83.4 1890.0 0.805 84.3 1891.0 0.823 85.1 1892.0 0.840 86.0 1893.0 0.856 86.8 1894.0 0.871 87.5 1895.0 0.886 88.3 1896.0 0.899 89.0 1897.0 0.911 89.7 1898.0 0.923 90.4 1899.0 0.933 91.0 1900.0 0.943 91.7 1901.0 0.952 92.3 1902.0 0.961 93.0 1903.0 0.969 93.6 1904.0 0.976 94.2 1905.0 0.982 94.8 1906.0 0.988 95.4 1907.0 0.993 96.0 1908.0 0.997 96.5 1909.0 1.002 97.1 1910.0 1.005 97.7 1911.0 1.008 98.3 1912.0 1.011 98.8 1913.0 1.013 99.4 1914.0 1.015 99.9 1915.0 1.016 100.5 1916.0 1.017 101.1 1917.0 1.018 101.6 1918.0 1.018 102.2 1919.0 1.018 102.7 1920.0 1.018 103.3 1921.0 1.017 103.8 1922.0 1.016 104.4 1923.0 1.015 104.9 1924.0 1.013 105.5 1925.0 1.012 106.1 1926.0 1.010 106.6 1927.0 1.008 107.2 1928.0 1.005 107.7 1929.0 1.003 108.3 1930.0 1.000 108.9 1931.0 0.997 109.5 1932.0 0.994 110.0 1933.0 0.991 110.6 1934.0 0.988 111.2 1935.0 0.985 111.8 1936.0 0.981 112.4 1937.0 0.977 113.0 1938.0 0.974 113.6 1939.0 0.970 114.2 1940.0 0.966 114.8 1941.0 0.962 115.4 1942.0 0.958 116.1 1943.0 0.954 116.7 1944.0 0.950 117.3 1945.0 0.945 118.0 1946.0 0.941 118.6 1947.0 0.937 119.3 1948.0 0.932 119.9 1949.0 0.928 120.6 1950.0 0.924 121.3 1951.0 0.919 121.9 1952.0 0.915 122.6 1953.0 0.910 123.3 1954.0 0.906 124.0 1955.0 0.901 124.7 1956.0 0.897 125.4 1957.0 0.893 126.1 1958.0 0.888 126.9 1959.0 0.884 127.6 1960.0 0.880 128.3 1961.0 0.876 129.1 1962.0 0.871 129.8 1963.0 0.867 130.6 1964.0 0.863 131.3 1965.0 0.859 132.1 1966.0 0.855 132.9 1967.0 0.851 133.7 1968.0 0.848 134.5 1969.0 0.844 135.3 1970.0 0.840 136.1 1971.0 0.837 136.9 1972.0 0.833 137.7 1973.0 0.830 138.6 1974.0 0.826 139.4 1975.0 0.823 140.3 1976.0 0.820 141.1 1977.0 0.817 142.0 1978.0 0.814 142.8 1979.0 0.812 143.7 1980.0 0.809 144.6 1981.0 0.807 145.4 1982.0 0.804 146.3 1983.0 0.802 147.2 1984.0 0.800 148.1 1985.0 0.798 149.0 1986.0 0.796 149.9 1987.0 0.794 150.8 1988.0 0.793 151.7 1989.0 0.791 152.7 1990.0 0.790 153.6 1991.0 0.789 154.5 1992.0 0.788 155.4 1993.0 0.787 156.3 1994.0 0.786 157.3 1995.0 0.786 158.2 1996.0 0.786 159.1 1997.0 0.785 160.1 1998.0 0.785 161.0 1999.0 0.785 161.9 2000.0 0.786 162.9 2001.0 0.786 163.8 2002.0 0.787 164.7 2003.0 0.787 165.6 2004.0 0.788 166.6 2005.0 0.789 167.5 2006.0 0.790 168.4 2007.0 0.792 169.3 2008.0 0.793 170.2 2009.0 0.795 171.2 2010.0 0.797 172.1 2011.0 0.799 173.0 2012.0 0.801 173.9 2013.0 0.803 174.8 2014.0 0.806 175.6 2015.0 0.808 176.5 2016.0 0.811 177.4 2017.0 0.814 178.3 2018.0 0.817 179.1 2019.0 0.820 180.0 2020.0 0.823 180.8 2021.0 0.827 181.7 2022.0 0.830 182.5 2023.0 0.834 183.4 2024.0 0.838 184.2 2025.0 0.842 185.0 2026.0 0.846 185.8 2027.0 0.850 186.6 2028.0 0.855 187.4 2029.0 0.859 188.2 2030.0 0.864 188.9 2031.0 0.869 189.7 2032.0 0.873 190.5 2033.0 0.878 191.2 2034.0 0.883 191.9 2035.0 0.889 192.7 2036.0 0.894 193.4 2037.0 0.899 194.1 2038.0 0.905 194.8 2039.0 0.910 195.5 2040.0 0.916 196.2 2041.0 0.922 196.9 2042.0 0.928 197.6 2043.0 0.933 198.2 2044.0 0.939 198.9 2045.0 0.946 199.5 2046.0 0.952 200.2 2047.0 0.958 200.8 2048.0 0.964 201.4 2049.0 0.971 202.0 2050.0 0.977 202.6 2051.0 0.984 203.2 2052.0 0.990 203.8 2053.0 0.997 204.4 2054.0 1.004 205.0 2055.0 1.011 205.5 2056.0 1.018 206.1 2057.0 1.024 206.7 2058.0 1.031 207.2 2059.0 1.038 207.7 2060.0 1.046 208.3 2061.0 1.053 208.8 2062.0 1.060 209.3 2063.0 1.067 209.8 2064.0 1.074 210.3 2065.0 1.082 210.8 2066.0 1.089 211.3 2067.0 1.096 211.8 2068.0 1.104 212.2 2069.0 1.111 212.7 2070.0 1.119 213.2 2071.0 1.126 213.6 2072.0 1.134 214.1 2073.0 1.142 214.5 2074.0 1.149 215.0 2075.0 1.157 215.4 2076.0 1.165 215.8 2077.0 1.172 216.2 2078.0 1.180 216.7 2079.0 1.188 217.1 2080.0 1.196 217.5 2081.0 1.203 217.9 2082.0 1.211 218.3 2083.0 1.219 218.6 2084.0 1.227 219.0 2085.0 1.235 219.4 2086.0 1.243 219.8 2087.0 1.251 220.2 2088.0 1.259 220.5 2089.0 1.267 220.9 2090.0 1.274 221.2 2091.0 1.282 221.6 2092.0 1.290 221.9 2093.0 1.298 222.3 2094.0 1.306 222.6 2095.0 1.314 222.9 2096.0 1.322 223.3 2097.0 1.330 223.6 2098.0 1.338 223.9 2099.0 1.346 224.2 2100.0 1.354 224.6 2101.0 1.362 224.9 2102.0 1.370 225.2 2103.0 1.378 225.5 2104.0 1.386 225.8 2105.0 1.394 226.1 2106.0 1.402 226.4 2107.0 1.410 226.7 2108.0 1.418 227.0 2109.0 1.426 227.2 2110.0 1.434 227.5 2111.0 1.442 227.8 2112.0 1.450 228.1 2113.0 1.458 228.3 2114.0 1.466 228.6 2115.0 1.474 228.9 2116.0 1.481 229.1 2117.0 1.489 229.4 2118.0 1.497 229.7 2119.0 1.505 229.9 2120.0 1.513 230.2 2121.0 1.521 230.4 2122.0 1.529 230.7 2123.0 1.536 230.9 2124.0 1.544 231.1 2125.0 1.552 231.4 2126.0 1.560 231.6 2127.0 1.567 231.9 2128.0 1.575 232.1 2129.0 1.583 232.3 2130.0 1.591 232.6 2131.0 1.598 232.8 2132.0 1.606 233.0 2133.0 1.614 233.2 2134.0 1.621 233.4 2135.0 1.629 233.7 2136.0 1.636 233.9 2137.0 1.644 234.1 2138.0 1.651 234.3 2139.0 1.659 234.5 2140.0 1.666 234.7 2141.0 1.674 234.9 2142.0 1.681 235.1 2143.0 1.689 235.3 2144.0 1.696 235.5 2145.0 1.703 235.7 2146.0 1.711 235.9 2147.0 1.718 236.1 2148.0 1.725 236.3 2149.0 1.733 236.5 2150.0 1.740 236.7 2151.0 1.747 236.9 2152.0 1.754 237.1 2153.0 1.761 237.3 2154.0 1.769 237.4 2155.0 1.776 237.6 2156.0 1.783 237.8 2157.0 1.790 238.0 2158.0 1.797 238.2 2159.0 1.804 238.3 2160.0 1.811 238.5 2161.0 1.818 238.7 2162.0 1.825 238.9 2163.0 1.831 239.0 2164.0 1.838 239.2 2165.0 1.845 239.4 2166.0 1.852 239.5 2167.0 1.858 239.7 2168.0 1.865 239.9 2169.0 1.872 240.0 2170.0 1.878 240.2 2171.0 1.885 240.4 2172.0 1.892 240.5 2173.0 1.898 240.7 2174.0 1.905 240.8 2175.0 1.911 241.0 2176.0 1.917 241.2 2177.0 1.924 241.3 2178.0 1.930 241.5 2179.0 1.936 241.6 2180.0 1.943 241.8 2181.0 1.949 241.9 2182.0 1.955 242.1 2183.0 1.961 242.2 2184.0 1.967 242.4 2185.0 1.973 242.5 2186.0 1.979 242.7 2187.0 1.985 242.8 2188.0 1.991 243.0 2189.0 1.997 243.1 2190.0 2.003 243.3 2191.0 2.009 243.4 2192.0 2.015 243.5 2193.0 2.020 243.7 2194.0 2.026 243.8 2195.0 2.032 244.0 2196.0 2.037 244.1 2197.0 2.043 244.2 2198.0 2.049 244.4 2199.0 2.054 244.5 2200.0 2.059 244.6 2201.0 2.065 244.8 2202.0 2.070 244.9 2203.0 2.075 245.1 2204.0 2.081 245.2 2205.0 2.086 245.3 2206.0 2.091 245.4 2207.0 2.096 245.6 2208.0 2.101 245.7 2209.0 2.106 245.8 2210.0 2.111 246.0 2211.0 2.116 246.1 2212.0 2.121 246.2 2213.0 2.126 246.4 2214.0 2.131 246.5 2215.0 2.136 246.6 2216.0 2.140 246.7 2217.0 2.145 246.9 2218.0 2.149 247.0 2219.0 2.154 247.1 2220.0 2.158 247.2 2221.0 2.163 247.3 2222.0 2.167 247.5 2223.0 2.172 247.6 2224.0 2.176 247.7 2225.0 2.180 247.8 2226.0 2.184 248.0 2227.0 2.188 248.1 2228.0 2.192 248.2 2229.0 2.196 248.3 2230.0 2.200 248.4 2231.0 2.204 248.6 2232.0 2.208 248.7 2233.0 2.212 248.8 2234.0 2.216 248.9 2235.0 2.219 249.0 2236.0 2.223 249.1 2237.0 2.227 249.3 2238.0 2.230 249.4 2239.0 2.234 249.5 2240.0 2.237 249.6 2241.0 2.240 249.7 2242.0 2.244 249.8 2243.0 2.247 249.9 2244.0 2.250 250.1 2245.0 2.253 250.2 2246.0 2.256 250.3 2247.0 2.259 250.4 2248.0 2.262 250.5 2249.0 2.265 250.6 2250.0 2.268 250.7 2251.0 2.270 250.8 2252.0 2.273 251.0 2253.0 2.275 251.1 2254.0 2.278 251.2 2255.0 2.280 251.3 2256.0 2.283 251.4 2257.0 2.285 251.5 2258.0 2.287 251.6 2259.0 2.290 251.7 2260.0 2.292 251.8 2261.0 2.294 251.9 2262.0 2.296 252.1 2263.0 2.298 252.2 2264.0 2.300 252.3 2265.0 2.301 252.4 2266.0 2.303 252.5 2267.0 2.305 252.6 2268.0 2.306 252.7 2269.0 2.308 252.8 2270.0 2.309 252.9 2271.0 2.311 253.0 2272.0 2.312 253.1 2273.0 2.313 253.2 2274.0 2.314 253.4 2275.0 2.315 253.5 2276.0 2.316 253.6 2277.0 2.317 253.7 2278.0 2.318 253.8 2279.0 2.319 253.9 2280.0 2.320 254.0 2281.0 2.320 254.1 2282.0 2.321 254.2 2283.0 2.321 254.3 2284.0 2.321 254.4 2285.0 2.322 254.5 2286.0 2.322 254.6 2287.0 2.322 254.7 2288.0 2.322 254.8 2289.0 2.322 255.0 2290.0 2.322 255.1 2291.0 2.322 255.2 2292.0 2.321 255.3 2293.0 2.321 255.4 2294.0 2.321 255.5 2295.0 2.320 255.6 2296.0 2.319 255.7 2297.0 2.319 255.8 2298.0 2.318 255.9 2299.0 2.317 256.0 2300.0 2.316 256.1 2301.0 2.315 256.2 2302.0 2.313 256.3 2303.0 2.312 256.4 2304.0 2.311 256.6 2305.0 2.309 256.7 2306.0 2.308 256.8 2307.0 2.306 256.9 2308.0 2.304 257.0 2309.0 2.302 257.1 2310.0 2.300 257.2 2311.0 2.298 257.3 2312.0 2.296 257.4 2313.0 2.294 257.5 2314.0 2.291 257.6 2315.0 2.289 257.7 2316.0 2.286 257.9