| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:34:10 |
| WDS: | STF2909AB | WDS ID/Discoverer |
| P: | 426.652 | Orbital period (years) |
| a: | 3.17843 | Semi-major axis (arcseconds) |
| i: | 141.983 | Inclination (degrees) |
| Ω: | 137.98 | Longitude of ascending node (degrees) |
| T: | 1987.288 | Epoch of periastron passage (year) |
| e: | 0.3001 | Eccentricity |
| ω: | 284.866 | Longitude of periastron (degrees) |
| Start-Year: | 1812.0 | Year |
| End-Year: | 2238.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 222849.81-000112.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22288-0001 | WDS designation |
| Discoverer Code: | STF2909AB | Discover designation and components |
| ADS number: | 15971 | Aitken Double Star catalog |
| HD number: | 213052 | HD catalog number |
| Hipparcos number: | 110960 | Hipparcos catalog number |
| V1: | 4.34 | Magnitude of the primary |
| V2: | 4.49 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 2.444 152.2 ------------------------- 1812.0 3.466 8.2 1813.0 3.469 7.7 1814.0 3.472 7.2 1815.0 3.475 6.6 1816.0 3.478 6.1 1817.0 3.481 5.6 1818.0 3.484 5.0 1819.0 3.486 4.5 1820.0 3.489 4.0 1821.0 3.491 3.5 1822.0 3.494 2.9 1823.0 3.496 2.4 1824.0 3.498 1.9 1825.0 3.501 1.4 1826.0 3.503 0.8 1827.0 3.505 0.3 1828.0 3.506 359.8 1829.0 3.508 359.3 1830.0 3.510 358.8 1831.0 3.511 358.2 1832.0 3.513 357.7 1833.0 3.514 357.2 1834.0 3.515 356.7 1835.0 3.516 356.2 1836.0 3.517 355.6 1837.0 3.518 355.1 1838.0 3.519 354.6 1839.0 3.519 354.1 1840.0 3.520 353.6 1841.0 3.520 353.1 1842.0 3.520 352.5 1843.0 3.520 352.0 1844.0 3.520 351.5 1845.0 3.519 351.0 1846.0 3.519 350.5 1847.0 3.518 350.0 1848.0 3.518 349.4 1849.0 3.517 348.9 1850.0 3.516 348.4 1851.0 3.514 347.9 1852.0 3.513 347.4 1853.0 3.511 346.8 1854.0 3.509 346.3 1855.0 3.508 345.8 1856.0 3.505 345.3 1857.0 3.503 344.8 1858.0 3.501 344.2 1859.0 3.498 343.7 1860.0 3.495 343.2 1861.0 3.492 342.7 1862.0 3.489 342.1 1863.0 3.485 341.6 1864.0 3.482 341.1 1865.0 3.478 340.6 1866.0 3.474 340.0 1867.0 3.469 339.5 1868.0 3.465 339.0 1869.0 3.460 338.4 1870.0 3.455 337.9 1871.0 3.450 337.4 1872.0 3.445 336.8 1873.0 3.439 336.3 1874.0 3.433 335.7 1875.0 3.427 335.2 1876.0 3.421 334.6 1877.0 3.414 334.1 1878.0 3.407 333.5 1879.0 3.400 333.0 1880.0 3.393 332.4 1881.0 3.385 331.9 1882.0 3.378 331.3 1883.0 3.369 330.8 1884.0 3.361 330.2 1885.0 3.353 329.6 1886.0 3.344 329.0 1887.0 3.335 328.5 1888.0 3.325 327.9 1889.0 3.315 327.3 1890.0 3.306 326.7 1891.0 3.295 326.1 1892.0 3.285 325.5 1893.0 3.274 325.0 1894.0 3.263 324.4 1895.0 3.252 323.7 1896.0 3.240 323.1 1897.0 3.228 322.5 1898.0 3.216 321.9 1899.0 3.203 321.3 1900.0 3.190 320.7 1901.0 3.177 320.0 1902.0 3.164 319.4 1903.0 3.150 318.7 1904.0 3.136 318.1 1905.0 3.122 317.4 1906.0 3.107 316.8 1907.0 3.092 316.1 1908.0 3.077 315.4 1909.0 3.061 314.8 1910.0 3.046 314.1 1911.0 3.029 313.4 1912.0 3.013 312.7 1913.0 2.996 312.0 1914.0 2.979 311.3 1915.0 2.962 310.5 1916.0 2.944 309.8 1917.0 2.926 309.1 1918.0 2.908 308.3 1919.0 2.889 307.5 1920.0 2.870 306.8 1921.0 2.851 306.0 1922.0 2.832 305.2 1923.0 2.812 304.4 1924.0 2.792 303.6 1925.0 2.772 302.7 1926.0 2.751 301.9 1927.0 2.731 301.0 1928.0 2.710 300.2 1929.0 2.688 299.3 1930.0 2.667 298.4 1931.0 2.645 297.5 1932.0 2.623 296.6 1933.0 2.601 295.6 1934.0 2.579 294.7 1935.0 2.556 293.7 1936.0 2.533 292.7 1937.0 2.510 291.7 1938.0 2.487 290.7 1939.0 2.464 289.6 1940.0 2.441 288.6 1941.0 2.418 287.5 1942.0 2.394 286.4 1943.0 2.371 285.3 1944.0 2.347 284.1 1945.0 2.324 282.9 1946.0 2.300 281.7 1947.0 2.277 280.5 1948.0 2.254 279.3 1949.0 2.230 278.0 1950.0 2.207 276.7 1951.0 2.184 275.4 1952.0 2.161 274.0 1953.0 2.139 272.6 1954.0 2.117 271.2 1955.0 2.095 269.8 1956.0 2.073 268.3 1957.0 2.052 266.8 1958.0 2.031 265.2 1959.0 2.010 263.7 1960.0 1.990 262.1 1961.0 1.971 260.4 1962.0 1.952 258.8 1963.0 1.934 257.1 1964.0 1.917 255.3 1965.0 1.900 253.6 1966.0 1.884 251.8 1967.0 1.869 250.0 1968.0 1.854 248.1 1969.0 1.841 246.2 1970.0 1.829 244.3 1971.0 1.817 242.4 1972.0 1.807 240.5 1973.0 1.797 238.5 1974.0 1.789 236.5 1975.0 1.782 234.5 1976.0 1.776 232.5 1977.0 1.771 230.4 1978.0 1.767 228.4 1979.0 1.764 226.3 1980.0 1.763 224.3 1981.0 1.763 222.2 1982.0 1.763 220.1 1983.0 1.766 218.1 1984.0 1.769 216.0 1985.0 1.773 214.0 1986.0 1.779 212.0 1987.0 1.785 209.9 1988.0 1.793 207.9 1989.0 1.802 206.0 1990.0 1.812 204.0 1991.0 1.822 202.1 1992.0 1.834 200.1 1993.0 1.846 198.2 1994.0 1.860 196.4 1995.0 1.874 194.5 1996.0 1.888 192.7 1997.0 1.904 190.9 1998.0 1.920 189.2 1999.0 1.937 187.5 2000.0 1.954 185.8 2001.0 1.972 184.1 2002.0 1.990 182.5 2003.0 2.009 180.9 2004.0 2.028 179.3 2005.0 2.047 177.8 2006.0 2.067 176.2 2007.0 2.086 174.8 2008.0 2.106 173.3 2009.0 2.126 171.9 2010.0 2.147 170.5 2011.0 2.167 169.1 2012.0 2.187 167.7 2013.0 2.208 166.4 2014.0 2.228 165.1 2015.0 2.248 163.8 2016.0 2.269 162.6 2017.0 2.289 161.3 2018.0 2.309 160.1 2019.0 2.329 158.9 2020.0 2.348 157.8 2021.0 2.368 156.6 2022.0 2.387 155.5 2023.0 2.407 154.4 2024.0 2.426 153.3 2025.0 2.444 152.2 2026.0 2.463 151.1 2027.0 2.481 150.1 2028.0 2.499 149.0 2029.0 2.516 148.0 2030.0 2.534 147.0 2031.0 2.551 146.0 2032.0 2.568 145.1 2033.0 2.584 144.1 2034.0 2.600 143.1 2035.0 2.616 142.2 2036.0 2.632 141.3 2037.0 2.647 140.3 2038.0 2.662 139.4 2039.0 2.677 138.5 2040.0 2.691 137.6 2041.0 2.705 136.8 2042.0 2.718 135.9 2043.0 2.732 135.0 2044.0 2.745 134.2 2045.0 2.757 133.3 2046.0 2.770 132.5 2047.0 2.782 131.7 2048.0 2.794 130.8 2049.0 2.805 130.0 2050.0 2.816 129.2 2051.0 2.827 128.4 2052.0 2.837 127.6 2053.0 2.848 126.8 2054.0 2.858 126.0 2055.0 2.867 125.2 2056.0 2.877 124.5 2057.0 2.886 123.7 2058.0 2.895 122.9 2059.0 2.903 122.2 2060.0 2.912 121.4 2061.0 2.920 120.7 2062.0 2.927 119.9 2063.0 2.935 119.2 2064.0 2.942 118.4 2065.0 2.949 117.7 2066.0 2.956 116.9 2067.0 2.963 116.2 2068.0 2.969 115.5 2069.0 2.975 114.8 2070.0 2.981 114.0 2071.0 2.987 113.3 2072.0 2.993 112.6 2073.0 2.998 111.9 2074.0 3.003 111.2 2075.0 3.008 110.5 2076.0 3.013 109.8 2077.0 3.018 109.1 2078.0 3.022 108.4 2079.0 3.026 107.7 2080.0 3.031 107.0 2081.0 3.035 106.3 2082.0 3.038 105.6 2083.0 3.042 104.9 2084.0 3.046 104.2 2085.0 3.049 103.5 2086.0 3.052 102.8 2087.0 3.055 102.1 2088.0 3.058 101.4 2089.0 3.061 100.7 2090.0 3.064 100.1 2091.0 3.067 99.4 2092.0 3.069 98.7 2093.0 3.072 98.0 2094.0 3.074 97.3 2095.0 3.076 96.7 2096.0 3.079 96.0 2097.0 3.081 95.3 2098.0 3.083 94.6 2099.0 3.085 94.0 2100.0 3.087 93.3 2101.0 3.089 92.6 2102.0 3.090 91.9 2103.0 3.092 91.3 2104.0 3.094 90.6 2105.0 3.095 89.9 2106.0 3.097 89.3 2107.0 3.098 88.6 2108.0 3.100 87.9 2109.0 3.101 87.3 2110.0 3.103 86.6 2111.0 3.104 85.9 2112.0 3.105 85.3 2113.0 3.107 84.6 2114.0 3.108 83.9 2115.0 3.109 83.3 2116.0 3.110 82.6 2117.0 3.112 82.0 2118.0 3.113 81.3 2119.0 3.114 80.6 2120.0 3.115 80.0 2121.0 3.117 79.3 2122.0 3.118 78.7 2123.0 3.119 78.0 2124.0 3.120 77.3 2125.0 3.121 76.7 2126.0 3.123 76.0 2127.0 3.124 75.4 2128.0 3.125 74.7 2129.0 3.126 74.1 2130.0 3.128 73.4 2131.0 3.129 72.7 2132.0 3.130 72.1 2133.0 3.132 71.4 2134.0 3.133 70.8 2135.0 3.135 70.1 2136.0 3.136 69.5 2137.0 3.138 68.8 2138.0 3.139 68.2 2139.0 3.141 67.5 2140.0 3.142 66.9 2141.0 3.144 66.2 2142.0 3.146 65.6 2143.0 3.147 64.9 2144.0 3.149 64.3 2145.0 3.151 63.6 2146.0 3.153 63.0 2147.0 3.154 62.4 2148.0 3.156 61.7 2149.0 3.158 61.1 2150.0 3.160 60.4 2151.0 3.162 59.8 2152.0 3.164 59.1 2153.0 3.167 58.5 2154.0 3.169 57.9 2155.0 3.171 57.2 2156.0 3.173 56.6 2157.0 3.176 56.0 2158.0 3.178 55.3 2159.0 3.180 54.7 2160.0 3.183 54.1 2161.0 3.185 53.4 2162.0 3.188 52.8 2163.0 3.191 52.2 2164.0 3.193 51.5 2165.0 3.196 50.9 2166.0 3.199 50.3 2167.0 3.202 49.7 2168.0 3.204 49.0 2169.0 3.207 48.4 2170.0 3.210 47.8 2171.0 3.213 47.2 2172.0 3.216 46.5 2173.0 3.220 45.9 2174.0 3.223 45.3 2175.0 3.226 44.7 2176.0 3.229 44.1 2177.0 3.232 43.5 2178.0 3.236 42.9 2179.0 3.239 42.2 2180.0 3.243 41.6 2181.0 3.246 41.0 2182.0 3.250 40.4 2183.0 3.253 39.8 2184.0 3.257 39.2 2185.0 3.260 38.6 2186.0 3.264 38.0 2187.0 3.268 37.4 2188.0 3.271 36.8 2189.0 3.275 36.2 2190.0 3.279 35.6 2191.0 3.283 35.0 2192.0 3.286 34.4 2193.0 3.290 33.8 2194.0 3.294 33.2 2195.0 3.298 32.6 2196.0 3.302 32.1 2197.0 3.306 31.5 2198.0 3.310 30.9 2199.0 3.314 30.3 2200.0 3.318 29.7 2201.0 3.322 29.1 2202.0 3.326 28.6 2203.0 3.330 28.0 2204.0 3.334 27.4 2205.0 3.338 26.8 2206.0 3.342 26.3 2207.0 3.346 25.7 2208.0 3.350 25.1 2209.0 3.354 24.5 2210.0 3.358 24.0 2211.0 3.363 23.4 2212.0 3.367 22.8 2213.0 3.371 22.3 2214.0 3.375 21.7 2215.0 3.379 21.1 2216.0 3.383 20.6 2217.0 3.387 20.0 2218.0 3.391 19.5 2219.0 3.395 18.9 2220.0 3.399 18.4 2221.0 3.403 17.8 2222.0 3.407 17.2 2223.0 3.410 16.7 2224.0 3.414 16.1 2225.0 3.418 15.6 2226.0 3.422 15.1 2227.0 3.426 14.5 2228.0 3.429 14.0 2229.0 3.433 13.4 2230.0 3.437 12.9 2231.0 3.440 12.3 2232.0 3.444 11.8 2233.0 3.447 11.3 2234.0 3.451 10.7 2235.0 3.454 10.2 2236.0 3.458 9.6 2237.0 3.461 9.1