| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:52:35 |
| WDS: | STF2244 | WDS ID/Discoverer |
| P: | 474.900 | Orbital period (years) |
| a: | 1.032 | Semi-major axis (arcseconds) |
| i: | 83.9 | Inclination (degrees) |
| Ω: | 97.7 | Longitude of ascending node (degrees) |
| T: | 1978.300 | Epoch of periastron passage (year) |
| e: | 0.562 | Eccentricity |
| ω: | 289.6 | Longitude of periastron (degrees) |
| Start-Year: | 1788.0 | Year |
| End-Year: | 2262.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 175704.32+000400.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17571+0004 | WDS designation |
| Discoverer Code: | STF2244 | Discover designation and components |
| ADS number: | 10912 | Aitken Double Star catalog |
| HD number: | 163624 | HD catalog number |
| Hipparcos number: | 87875 | Hipparcos catalog number |
| V1: | 6.89 | Magnitude of the primary |
| V2: | 6.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 3 | 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 0.681 101.1 ------------------------- 1788.0 0.840 268.0 1789.0 0.846 268.1 1790.0 0.851 268.2 1791.0 0.856 268.3 1792.0 0.861 268.4 1793.0 0.865 268.5 1794.0 0.870 268.6 1795.0 0.875 268.7 1796.0 0.880 268.8 1797.0 0.885 268.9 1798.0 0.889 269.0 1799.0 0.894 269.1 1800.0 0.899 269.2 1801.0 0.903 269.2 1802.0 0.908 269.3 1803.0 0.912 269.4 1804.0 0.917 269.5 1805.0 0.921 269.6 1806.0 0.925 269.7 1807.0 0.930 269.8 1808.0 0.934 269.8 1809.0 0.938 269.9 1810.0 0.942 270.0 1811.0 0.946 270.1 1812.0 0.950 270.2 1813.0 0.954 270.2 1814.0 0.958 270.3 1815.0 0.962 270.4 1816.0 0.966 270.5 1817.0 0.969 270.5 1818.0 0.973 270.6 1819.0 0.977 270.7 1820.0 0.980 270.8 1821.0 0.984 270.8 1822.0 0.987 270.9 1823.0 0.991 271.0 1824.0 0.994 271.1 1825.0 0.998 271.1 1826.0 1.001 271.2 1827.0 1.004 271.3 1828.0 1.007 271.3 1829.0 1.010 271.4 1830.0 1.013 271.5 1831.0 1.016 271.5 1832.0 1.019 271.6 1833.0 1.022 271.7 1834.0 1.025 271.8 1835.0 1.027 271.8 1836.0 1.030 271.9 1837.0 1.032 272.0 1838.0 1.035 272.0 1839.0 1.037 272.1 1840.0 1.040 272.2 1841.0 1.042 272.2 1842.0 1.044 272.3 1843.0 1.046 272.3 1844.0 1.048 272.4 1845.0 1.050 272.5 1846.0 1.052 272.5 1847.0 1.054 272.6 1848.0 1.056 272.7 1849.0 1.057 272.7 1850.0 1.059 272.8 1851.0 1.060 272.9 1852.0 1.062 272.9 1853.0 1.063 273.0 1854.0 1.064 273.0 1855.0 1.065 273.1 1856.0 1.067 273.2 1857.0 1.068 273.2 1858.0 1.068 273.3 1859.0 1.069 273.4 1860.0 1.070 273.4 1861.0 1.071 273.5 1862.0 1.071 273.5 1863.0 1.072 273.6 1864.0 1.072 273.7 1865.0 1.072 273.7 1866.0 1.072 273.8 1867.0 1.072 273.9 1868.0 1.072 273.9 1869.0 1.072 274.0 1870.0 1.072 274.0 1871.0 1.072 274.1 1872.0 1.071 274.2 1873.0 1.071 274.2 1874.0 1.070 274.3 1875.0 1.069 274.3 1876.0 1.068 274.4 1877.0 1.067 274.5 1878.0 1.066 274.5 1879.0 1.065 274.6 1880.0 1.064 274.7 1881.0 1.062 274.7 1882.0 1.060 274.8 1883.0 1.059 274.8 1884.0 1.057 274.9 1885.0 1.055 275.0 1886.0 1.053 275.0 1887.0 1.051 275.1 1888.0 1.048 275.2 1889.0 1.046 275.2 1890.0 1.043 275.3 1891.0 1.040 275.4 1892.0 1.037 275.4 1893.0 1.034 275.5 1894.0 1.031 275.6 1895.0 1.028 275.6 1896.0 1.024 275.7 1897.0 1.020 275.8 1898.0 1.016 275.8 1899.0 1.012 275.9 1900.0 1.008 276.0 1901.0 1.004 276.0 1902.0 0.999 276.1 1903.0 0.995 276.2 1904.0 0.990 276.3 1905.0 0.985 276.3 1906.0 0.979 276.4 1907.0 0.974 276.5 1908.0 0.968 276.6 1909.0 0.963 276.6 1910.0 0.957 276.7 1911.0 0.950 276.8 1912.0 0.944 276.9 1913.0 0.937 276.9 1914.0 0.931 277.0 1915.0 0.924 277.1 1916.0 0.916 277.2 1917.0 0.909 277.3 1918.0 0.901 277.4 1919.0 0.893 277.4 1920.0 0.885 277.5 1921.0 0.877 277.6 1922.0 0.868 277.7 1923.0 0.859 277.8 1924.0 0.850 277.9 1925.0 0.840 278.0 1926.0 0.831 278.1 1927.0 0.821 278.2 1928.0 0.810 278.3 1929.0 0.800 278.4 1930.0 0.789 278.5 1931.0 0.778 278.7 1932.0 0.766 278.8 1933.0 0.755 278.9 1934.0 0.742 279.0 1935.0 0.730 279.2 1936.0 0.717 279.3 1937.0 0.704 279.4 1938.0 0.691 279.6 1939.0 0.677 279.7 1940.0 0.663 279.9 1941.0 0.649 280.1 1942.0 0.634 280.2 1943.0 0.619 280.4 1944.0 0.603 280.6 1945.0 0.587 280.8 1946.0 0.571 281.0 1947.0 0.554 281.2 1948.0 0.537 281.5 1949.0 0.519 281.7 1950.0 0.501 282.0 1951.0 0.483 282.3 1952.0 0.464 282.6 1953.0 0.445 283.0 1954.0 0.425 283.3 1955.0 0.405 283.7 1956.0 0.385 284.2 1957.0 0.364 284.7 1958.0 0.343 285.3 1959.0 0.322 285.9 1960.0 0.300 286.7 1961.0 0.277 287.5 1962.0 0.255 288.5 1963.0 0.232 289.7 1964.0 0.209 291.2 1965.0 0.186 293.0 1966.0 0.163 295.3 1967.0 0.140 298.5 1968.0 0.117 302.8 1969.0 0.095 309.2 1970.0 0.075 319.3 1971.0 0.058 335.8 1972.0 0.049 1.3 1973.0 0.053 29.7 1974.0 0.066 50.6 1975.0 0.085 63.4 1976.0 0.106 71.3 1977.0 0.128 76.5 1978.0 0.151 80.2 1979.0 0.174 82.9 1980.0 0.197 84.9 1981.0 0.220 86.6 1982.0 0.242 87.9 1983.0 0.265 89.0 1984.0 0.286 90.0 1985.0 0.307 90.8 1986.0 0.328 91.5 1987.0 0.348 92.1 1988.0 0.367 92.6 1989.0 0.386 93.1 1990.0 0.404 93.6 1991.0 0.422 94.0 1992.0 0.438 94.4 1993.0 0.454 94.8 1994.0 0.470 95.1 1995.0 0.485 95.4 1996.0 0.499 95.7 1997.0 0.512 96.0 1998.0 0.525 96.2 1999.0 0.538 96.5 2000.0 0.549 96.7 2001.0 0.560 97.0 2002.0 0.571 97.2 2003.0 0.580 97.4 2004.0 0.590 97.6 2005.0 0.598 97.8 2006.0 0.607 98.0 2007.0 0.614 98.2 2008.0 0.622 98.4 2009.0 0.628 98.6 2010.0 0.634 98.7 2011.0 0.640 98.9 2012.0 0.646 99.1 2013.0 0.651 99.2 2014.0 0.655 99.4 2015.0 0.659 99.6 2016.0 0.663 99.7 2017.0 0.666 99.9 2018.0 0.669 100.1 2019.0 0.672 100.2 2020.0 0.674 100.4 2021.0 0.676 100.5 2022.0 0.678 100.7 2023.0 0.680 100.8 2024.0 0.681 101.0 2025.0 0.681 101.1 2026.0 0.682 101.3 2027.0 0.682 101.5 2028.0 0.682 101.6 2029.0 0.682 101.8 2030.0 0.682 101.9 2031.0 0.681 102.1 2032.0 0.680 102.2 2033.0 0.679 102.4 2034.0 0.678 102.5 2035.0 0.677 102.7 2036.0 0.675 102.8 2037.0 0.673 103.0 2038.0 0.671 103.1 2039.0 0.669 103.3 2040.0 0.666 103.5 2041.0 0.664 103.6 2042.0 0.661 103.8 2043.0 0.658 103.9 2044.0 0.655 104.1 2045.0 0.652 104.3 2046.0 0.649 104.4 2047.0 0.646 104.6 2048.0 0.642 104.8 2049.0 0.638 105.0 2050.0 0.635 105.1 2051.0 0.631 105.3 2052.0 0.627 105.5 2053.0 0.623 105.7 2054.0 0.618 105.9 2055.0 0.614 106.0 2056.0 0.610 106.2 2057.0 0.605 106.4 2058.0 0.600 106.6 2059.0 0.596 106.8 2060.0 0.591 107.0 2061.0 0.586 107.2 2062.0 0.581 107.4 2063.0 0.576 107.6 2064.0 0.571 107.9 2065.0 0.566 108.1 2066.0 0.560 108.3 2067.0 0.555 108.5 2068.0 0.550 108.8 2069.0 0.544 109.0 2070.0 0.539 109.2 2071.0 0.533 109.5 2072.0 0.527 109.7 2073.0 0.522 110.0 2074.0 0.516 110.3 2075.0 0.510 110.5 2076.0 0.504 110.8 2077.0 0.498 111.1 2078.0 0.493 111.4 2079.0 0.487 111.7 2080.0 0.481 112.0 2081.0 0.474 112.3 2082.0 0.468 112.6 2083.0 0.462 112.9 2084.0 0.456 113.3 2085.0 0.450 113.6 2086.0 0.444 114.0 2087.0 0.437 114.3 2088.0 0.431 114.7 2089.0 0.425 115.1 2090.0 0.418 115.5 2091.0 0.412 115.9 2092.0 0.406 116.3 2093.0 0.399 116.8 2094.0 0.393 117.2 2095.0 0.387 117.7 2096.0 0.380 118.2 2097.0 0.374 118.7 2098.0 0.367 119.2 2099.0 0.361 119.7 2100.0 0.355 120.3 2101.0 0.348 120.9 2102.0 0.342 121.5 2103.0 0.335 122.1 2104.0 0.329 122.7 2105.0 0.323 123.4 2106.0 0.316 124.1 2107.0 0.310 124.8 2108.0 0.304 125.6 2109.0 0.298 126.3 2110.0 0.291 127.2 2111.0 0.285 128.0 2112.0 0.279 128.9 2113.0 0.273 129.8 2114.0 0.267 130.8 2115.0 0.261 131.8 2116.0 0.255 132.9 2117.0 0.249 134.0 2118.0 0.244 135.2 2119.0 0.238 136.4 2120.0 0.232 137.7 2121.0 0.227 139.0 2122.0 0.222 140.5 2123.0 0.216 141.9 2124.0 0.211 143.5 2125.0 0.206 145.1 2126.0 0.202 146.8 2127.0 0.197 148.6 2128.0 0.193 150.5 2129.0 0.188 152.4 2130.0 0.185 154.5 2131.0 0.181 156.6 2132.0 0.177 158.8 2133.0 0.174 161.1 2134.0 0.171 163.5 2135.0 0.168 166.0 2136.0 0.166 168.5 2137.0 0.164 171.1 2138.0 0.162 173.8 2139.0 0.161 176.5 2140.0 0.160 179.2 2141.0 0.160 182.0 2142.0 0.159 184.8 2143.0 0.159 187.6 2144.0 0.160 190.4 2145.0 0.161 193.1 2146.0 0.162 195.9 2147.0 0.164 198.5 2148.0 0.166 201.2 2149.0 0.168 203.7 2150.0 0.170 206.2 2151.0 0.173 208.6 2152.0 0.176 210.9 2153.0 0.180 213.2 2154.0 0.183 215.3 2155.0 0.187 217.4 2156.0 0.191 219.4 2157.0 0.196 221.3 2158.0 0.200 223.1 2159.0 0.205 224.8 2160.0 0.210 226.4 2161.0 0.215 228.0 2162.0 0.220 229.5 2163.0 0.226 230.9 2164.0 0.231 232.3 2165.0 0.237 233.6 2166.0 0.242 234.8 2167.0 0.248 236.0 2168.0 0.254 237.2 2169.0 0.260 238.2 2170.0 0.266 239.3 2171.0 0.272 240.2 2172.0 0.278 241.2 2173.0 0.284 242.1 2174.0 0.290 242.9 2175.0 0.297 243.8 2176.0 0.303 244.6 2177.0 0.309 245.3 2178.0 0.316 246.0 2179.0 0.322 246.7 2180.0 0.329 247.4 2181.0 0.335 248.1 2182.0 0.342 248.7 2183.0 0.348 249.3 2184.0 0.355 249.8 2185.0 0.361 250.4 2186.0 0.368 250.9 2187.0 0.375 251.4 2188.0 0.381 251.9 2189.0 0.388 252.4 2190.0 0.394 252.9 2191.0 0.401 253.3 2192.0 0.408 253.8 2193.0 0.414 254.2 2194.0 0.421 254.6 2195.0 0.428 255.0 2196.0 0.434 255.4 2197.0 0.441 255.7 2198.0 0.448 256.1 2199.0 0.454 256.5 2200.0 0.461 256.8 2201.0 0.468 257.1 2202.0 0.474 257.4 2203.0 0.481 257.8 2204.0 0.487 258.1 2205.0 0.494 258.3 2206.0 0.501 258.6 2207.0 0.507 258.9 2208.0 0.514 259.2 2209.0 0.520 259.5 2210.0 0.527 259.7 2211.0 0.533 260.0 2212.0 0.540 260.2 2213.0 0.546 260.5 2214.0 0.553 260.7 2215.0 0.559 260.9 2216.0 0.566 261.1 2217.0 0.572 261.4 2218.0 0.579 261.6 2219.0 0.585 261.8 2220.0 0.592 262.0 2221.0 0.598 262.2 2222.0 0.604 262.4 2223.0 0.611 262.6 2224.0 0.617 262.8 2225.0 0.623 262.9 2226.0 0.629 263.1 2227.0 0.636 263.3 2228.0 0.642 263.5 2229.0 0.648 263.7 2230.0 0.654 263.8 2231.0 0.660 264.0 2232.0 0.666 264.1 2233.0 0.673 264.3 2234.0 0.679 264.5 2235.0 0.685 264.6 2236.0 0.691 264.8 2237.0 0.697 264.9 2238.0 0.703 265.1 2239.0 0.709 265.2 2240.0 0.714 265.3 2241.0 0.720 265.5 2242.0 0.726 265.6 2243.0 0.732 265.7 2244.0 0.738 265.9 2245.0 0.743 266.0 2246.0 0.749 266.1 2247.0 0.755 266.3 2248.0 0.760 266.4 2249.0 0.766 266.5 2250.0 0.772 266.6 2251.0 0.777 266.7 2252.0 0.783 266.9 2253.0 0.788 267.0 2254.0 0.794 267.1 2255.0 0.799 267.2 2256.0 0.804 267.3 2257.0 0.810 267.4 2258.0 0.815 267.5 2259.0 0.820 267.6 2260.0 0.826 267.7 2261.0 0.831 267.8