| WDS: | STF2 | WDS ID/Discoverer |
| P: | 540.000 | Orbital period (years) |
| a: | 0.995 | Semi-major axis (arcseconds) |
| i: | 110.1 | Inclination (degrees) |
| Ω: | 171.2 | Longitude of ascending node (degrees) |
| T: | 1887.500 | Epoch of periastron passage (year) |
| e: | 0.715 | Eccentricity |
| ω: | 333.7 | Longitude of periastron (degrees) |
| Start-Year: | 1755.0 | Year |
| End-Year: | 2295.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2 |
||
| Position: | 000920.18+794252.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00093+7943 | WDS designation |
| Discoverer Code: | STF2 | Discover designation and components |
| ADS number: | 102 | Aitken Double Star catalog |
| HD number: | 431 | HD catalog number |
| Hipparcos number: | 760 | Hipparcos catalog number |
| V1: | 6.68 | Magnitude of the primary |
| V2: | 6.89 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hei1997 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.983 13.35 -------------------------- 1755.00 1.380 351.62 1756.00 1.375 351.54 1757.00 1.370 351.45 1758.00 1.365 351.37 1759.00 1.360 351.28 1760.00 1.354 351.20 1761.00 1.349 351.11 1762.00 1.344 351.02 1763.00 1.338 350.94 1764.00 1.333 350.85 1765.00 1.327 350.76 1766.00 1.322 350.67 1767.00 1.316 350.58 1768.00 1.310 350.48 1769.00 1.304 350.39 1770.00 1.298 350.30 1771.00 1.292 350.20 1772.00 1.286 350.11 1773.00 1.280 350.01 1774.00 1.274 349.91 1775.00 1.268 349.82 1776.00 1.261 349.72 1777.00 1.255 349.62 1778.00 1.248 349.51 1779.00 1.242 349.41 1780.00 1.235 349.31 1781.00 1.228 349.20 1782.00 1.221 349.10 1783.00 1.214 348.99 1784.00 1.207 348.88 1785.00 1.200 348.77 1786.00 1.193 348.66 1787.00 1.185 348.55 1788.00 1.178 348.44 1789.00 1.171 348.32 1790.00 1.163 348.21 1791.00 1.155 348.09 1792.00 1.148 347.97 1793.00 1.140 347.85 1794.00 1.132 347.72 1795.00 1.124 347.60 1796.00 1.116 347.47 1797.00 1.107 347.34 1798.00 1.099 347.21 1799.00 1.091 347.08 1800.00 1.082 346.95 1801.00 1.073 346.81 1802.00 1.065 346.67 1803.00 1.056 346.53 1804.00 1.047 346.39 1805.00 1.038 346.24 1806.00 1.029 346.09 1807.00 1.019 345.94 1808.00 1.010 345.79 1809.00 1.001 345.63 1810.00 0.991 345.47 1811.00 0.981 345.31 1812.00 0.971 345.14 1813.00 0.961 344.97 1814.00 0.951 344.80 1815.00 0.941 344.62 1816.00 0.931 344.44 1817.00 0.920 344.26 1818.00 0.910 344.07 1819.00 0.899 343.87 1820.00 0.888 343.67 1821.00 0.878 343.47 1822.00 0.866 343.26 1823.00 0.855 343.05 1824.00 0.844 342.83 1825.00 0.832 342.60 1826.00 0.821 342.37 1827.00 0.809 342.13 1828.00 0.797 341.89 1829.00 0.785 341.63 1830.00 0.773 341.37 1831.00 0.761 341.10 1832.00 0.748 340.82 1833.00 0.735 340.53 1834.00 0.723 340.24 1835.00 0.710 339.93 1836.00 0.696 339.61 1837.00 0.683 339.27 1838.00 0.670 338.93 1839.00 0.656 338.57 1840.00 0.642 338.19 1841.00 0.628 337.80 1842.00 0.614 337.39 1843.00 0.600 336.95 1844.00 0.585 336.50 1845.00 0.571 336.03 1846.00 0.556 335.53 1847.00 0.541 335.00 1848.00 0.526 334.44 1849.00 0.510 333.85 1850.00 0.495 333.23 1851.00 0.479 332.56 1852.00 0.463 331.84 1853.00 0.447 331.08 1854.00 0.431 330.25 1855.00 0.414 329.37 1856.00 0.398 328.40 1857.00 0.381 327.36 1858.00 0.364 326.21 1859.00 0.347 324.96 1860.00 0.330 323.58 1861.00 0.313 322.04 1862.00 0.296 320.32 1863.00 0.278 318.40 1864.00 0.261 316.22 1865.00 0.244 313.73 1866.00 0.227 310.87 1867.00 0.211 307.56 1868.00 0.195 303.70 1869.00 0.180 299.16 1870.00 0.165 293.82 1871.00 0.153 287.52 1872.00 0.142 280.17 1873.00 0.133 271.72 1874.00 0.127 262.32 1875.00 0.125 252.32 1876.00 0.126 242.23 1877.00 0.131 232.60 1878.00 0.138 223.82 1879.00 0.148 216.09 1880.00 0.160 209.40 1881.00 0.173 203.67 1882.00 0.187 198.76 1883.00 0.200 194.52 1884.00 0.214 190.82 1885.00 0.228 187.57 1886.00 0.240 184.67 1887.00 0.252 182.06 1888.00 0.263 179.67 1889.00 0.273 177.47 1890.00 0.282 175.41 1891.00 0.289 173.46 1892.00 0.295 171.60 1893.00 0.300 169.81 1894.00 0.304 168.07 1895.00 0.306 166.37 1896.00 0.308 164.69 1897.00 0.309 163.02 1898.00 0.308 161.36 1899.00 0.307 159.68 1900.00 0.305 157.99 1901.00 0.303 156.28 1902.00 0.300 154.54 1903.00 0.297 152.76 1904.00 0.293 150.94 1905.00 0.289 149.07 1906.00 0.285 147.14 1907.00 0.281 145.16 1908.00 0.276 143.11 1909.00 0.272 141.00 1910.00 0.267 138.82 1911.00 0.263 136.56 1912.00 0.258 134.22 1913.00 0.254 131.81 1914.00 0.250 129.32 1915.00 0.247 126.75 1916.00 0.243 124.11 1917.00 0.240 121.40 1918.00 0.238 118.62 1919.00 0.235 115.78 1920.00 0.233 112.89 1921.00 0.232 109.97 1922.00 0.231 107.01 1923.00 0.231 104.03 1924.00 0.231 101.05 1925.00 0.231 98.07 1926.00 0.232 95.12 1927.00 0.234 92.20 1928.00 0.236 89.32 1929.00 0.238 86.50 1930.00 0.241 83.74 1931.00 0.245 81.06 1932.00 0.249 78.45 1933.00 0.253 75.93 1934.00 0.258 73.50 1935.00 0.263 71.16 1936.00 0.268 68.90 1937.00 0.274 66.74 1938.00 0.280 64.67 1939.00 0.286 62.69 1940.00 0.293 60.80 1941.00 0.299 58.99 1942.00 0.306 57.26 1943.00 0.313 55.61 1944.00 0.321 54.03 1945.00 0.328 52.52 1946.00 0.336 51.09 1947.00 0.344 49.71 1948.00 0.352 48.40 1949.00 0.360 47.15 1950.00 0.368 45.95 1951.00 0.376 44.80 1952.00 0.384 43.70 1953.00 0.392 42.65 1954.00 0.401 41.64 1955.00 0.409 40.68 1956.00 0.418 39.75 1957.00 0.426 38.86 1958.00 0.435 38.00 1959.00 0.444 37.18 1960.00 0.452 36.39 1961.00 0.461 35.63 1962.00 0.469 34.90 1963.00 0.478 34.19 1964.00 0.487 33.51 1965.00 0.495 32.85 1966.00 0.504 32.22 1967.00 0.513 31.60 1968.00 0.522 31.01 1969.00 0.530 30.44 1970.00 0.539 29.88 1971.00 0.547 29.34 1972.00 0.556 28.82 1973.00 0.565 28.32 1974.00 0.573 27.83 1975.00 0.582 27.35 1976.00 0.591 26.89 1977.00 0.599 26.44 1978.00 0.608 26.01 1979.00 0.616 25.58 1980.00 0.625 25.17 1981.00 0.633 24.77 1982.00 0.642 24.38 1983.00 0.650 24.00 1984.00 0.658 23.63 1985.00 0.667 23.27 1986.00 0.675 22.92 1987.00 0.683 22.57 1988.00 0.692 22.24 1989.00 0.700 21.91 1990.00 0.708 21.59 1991.00 0.716 21.28 1992.00 0.724 20.97 1993.00 0.732 20.67 1994.00 0.741 20.38 1995.00 0.749 20.09 1996.00 0.757 19.81 1997.00 0.765 19.54 1998.00 0.772 19.27 1999.00 0.780 19.01 2000.00 0.788 18.75 2001.00 0.796 18.50 2002.00 0.804 18.25 2003.00 0.812 18.01 2004.00 0.819 17.77 2005.00 0.827 17.53 2006.00 0.835 17.30 2007.00 0.842 17.08 2008.00 0.850 16.86 2009.00 0.857 16.64 2010.00 0.865 16.43 2011.00 0.872 16.22 2012.00 0.880 16.01 2013.00 0.887 15.81 2014.00 0.895 15.61 2015.00 0.902 15.41 2016.00 0.909 15.22 2017.00 0.916 15.03 2018.00 0.924 14.84 2019.00 0.931 14.65 2020.00 0.938 14.47 2021.00 0.945 14.29 2022.00 0.952 14.12 2023.00 0.959 13.94 2024.00 0.966 13.77 2025.00 0.973 13.60 2026.00 0.980 13.44 2027.00 0.987 13.27 2028.00 0.993 13.11 2029.00 1.000 12.95 2030.00 1.007 12.79 2031.00 1.014 12.64 2032.00 1.020 12.48 2033.00 1.027 12.33 2034.00 1.034 12.18 2035.00 1.040 12.04 2036.00 1.047 11.89 2037.00 1.053 11.75 2038.00 1.059 11.60 2039.00 1.066 11.46 2040.00 1.072 11.33 2041.00 1.079 11.19 2042.00 1.085 11.05 2043.00 1.091 10.92 2044.00 1.097 10.79 2045.00 1.103 10.66 2046.00 1.110 10.53 2047.00 1.116 10.40 2048.00 1.122 10.27 2049.00 1.128 10.15 2050.00 1.134 10.02 2051.00 1.140 9.90 2052.00 1.145 9.78 2053.00 1.151 9.66 2054.00 1.157 9.54 2055.00 1.163 9.42 2056.00 1.169 9.30 2057.00 1.174 9.19 2058.00 1.180 9.07 2059.00 1.186 8.96 2060.00 1.191 8.85 2061.00 1.197 8.74 2062.00 1.202 8.63 2063.00 1.208 8.52 2064.00 1.213 8.41 2065.00 1.218 8.30 2066.00 1.224 8.20 2067.00 1.229 8.09 2068.00 1.234 7.99 2069.00 1.240 7.88 2070.00 1.245 7.78 2071.00 1.250 7.68 2072.00 1.255 7.58 2073.00 1.260 7.48 2074.00 1.265 7.38 2075.00 1.270 7.28 2076.00 1.275 7.18 2077.00 1.280 7.08 2078.00 1.285 6.99 2079.00 1.290 6.89 2080.00 1.295 6.80 2081.00 1.299 6.70 2082.00 1.304 6.61 2083.00 1.309 6.51 2084.00 1.314 6.42 2085.00 1.318 6.33 2086.00 1.323 6.24 2087.00 1.327 6.15 2088.00 1.332 6.06 2089.00 1.336 5.97 2090.00 1.341 5.88 2091.00 1.345 5.79 2092.00 1.349 5.71 2093.00 1.354 5.62 2094.00 1.358 5.53 2095.00 1.362 5.45 2096.00 1.367 5.36 2097.00 1.371 5.28 2098.00 1.375 5.19 2099.00 1.379 5.11 2100.00 1.383 5.03 2101.00 1.387 4.95 2102.00 1.391 4.86 2103.00 1.395 4.78 2104.00 1.399 4.70 2105.00 1.403 4.62 2106.00 1.407 4.54 2107.00 1.410 4.46 2108.00 1.414 4.38 2109.00 1.418 4.30 2110.00 1.421 4.22 2111.00 1.425 4.14 2112.00 1.429 4.07 2113.00 1.432 3.99 2114.00 1.436 3.91 2115.00 1.439 3.83 2116.00 1.443 3.76 2117.00 1.446 3.68 2118.00 1.449 3.61 2119.00 1.453 3.53 2120.00 1.456 3.46 2121.00 1.459 3.38 2122.00 1.463 3.31 2123.00 1.466 3.23 2124.00 1.469 3.16 2125.00 1.472 3.09 2126.00 1.475 3.01 2127.00 1.478 2.94 2128.00 1.481 2.87 2129.00 1.484 2.80 2130.00 1.487 2.72 2131.00 1.490 2.65 2132.00 1.493 2.58 2133.00 1.495 2.51 2134.00 1.498 2.44 2135.00 1.501 2.37 2136.00 1.504 2.30 2137.00 1.506 2.23 2138.00 1.509 2.16 2139.00 1.511 2.09 2140.00 1.514 2.02 2141.00 1.516 1.95 2142.00 1.519 1.88 2143.00 1.521 1.81 2144.00 1.524 1.74 2145.00 1.526 1.68 2146.00 1.528 1.61 2147.00 1.530 1.54 2148.00 1.533 1.47 2149.00 1.535 1.41 2150.00 1.537 1.34 2151.00 1.539 1.27 2152.00 1.541 1.20 2153.00 1.543 1.14 2154.00 1.545 1.07 2155.00 1.547 1.00 2156.00 1.549 0.94 2157.00 1.551 0.87 2158.00 1.553 0.81 2159.00 1.554 0.74 2160.00 1.556 0.68 2161.00 1.558 0.61 2162.00 1.559 0.54 2163.00 1.561 0.48 2164.00 1.563 0.41 2165.00 1.564 0.35 2166.00 1.566 0.28 2167.00 1.567 0.22 2168.00 1.569 0.16 2169.00 1.570 0.09 2170.00 1.571 0.03 2171.00 1.573 359.96 2172.00 1.574 359.90 2173.00 1.575 359.83 2174.00 1.576 359.77 2175.00 1.577 359.71 2176.00 1.578 359.64 2177.00 1.580 359.58 2178.00 1.581 359.52 2179.00 1.582 359.45 2180.00 1.582 359.39 2181.00 1.583 359.33 2182.00 1.584 359.26 2183.00 1.585 359.20 2184.00 1.586 359.14 2185.00 1.586 359.07 2186.00 1.587 359.01 2187.00 1.588 358.95 2188.00 1.588 358.89 2189.00 1.589 358.82 2190.00 1.589 358.76 2191.00 1.590 358.70 2192.00 1.590 358.63 2193.00 1.591 358.57 2194.00 1.591 358.51 2195.00 1.591 358.45 2196.00 1.592 358.38 2197.00 1.592 358.32 2198.00 1.592 358.26 2199.00 1.592 358.20 2200.00 1.592 358.13 2201.00 1.592 358.07 2202.00 1.592 358.01 2203.00 1.592 357.95 2204.00 1.592 357.88 2205.00 1.592 357.82 2206.00 1.592 357.76 2207.00 1.592 357.70 2208.00 1.591 357.63 2209.00 1.591 357.57 2210.00 1.591 357.51 2211.00 1.590 357.44 2212.00 1.590 357.38 2213.00 1.590 357.32 2214.00 1.589 357.26 2215.00 1.588 357.19 2216.00 1.588 357.13 2217.00 1.587 357.07 2218.00 1.586 357.00 2219.00 1.586 356.94 2220.00 1.585 356.88 2221.00 1.584 356.82 2222.00 1.583 356.75 2223.00 1.582 356.69 2224.00 1.581 356.63 2225.00 1.580 356.56 2226.00 1.579 356.50 2227.00 1.578 356.44 2228.00 1.577 356.37 2229.00 1.576 356.31 2230.00 1.574 356.24 2231.00 1.573 356.18 2232.00 1.572 356.12 2233.00 1.570 356.05 2234.00 1.569 355.99 2235.00 1.567 355.92 2236.00 1.566 355.86 2237.00 1.564 355.79 2238.00 1.563 355.73 2239.00 1.561 355.66 2240.00 1.559 355.60 2241.00 1.557 355.53 2242.00 1.555 355.47 2243.00 1.554 355.40 2244.00 1.552 355.34 2245.00 1.550 355.27 2246.00 1.548 355.20 2247.00 1.545 355.14 2248.00 1.543 355.07 2249.00 1.541 355.00 2250.00 1.539 354.94 2251.00 1.537 354.87 2252.00 1.534 354.80 2253.00 1.532 354.74 2254.00 1.529 354.67 2255.00 1.527 354.60 2256.00 1.524 354.53 2257.00 1.522 354.46 2258.00 1.519 354.39 2259.00 1.516 354.33 2260.00 1.514 354.26 2261.00 1.511 354.19 2262.00 1.508 354.12 2263.00 1.505 354.05 2264.00 1.502 353.98 2265.00 1.499 353.91 2266.00 1.496 353.84 2267.00 1.493 353.77 2268.00 1.489 353.69 2269.00 1.486 353.62 2270.00 1.483 353.55 2271.00 1.479 353.48 2272.00 1.476 353.41 2273.00 1.472 353.33 2274.00 1.469 353.26 2275.00 1.465 353.19 2276.00 1.461 353.11 2277.00 1.458 353.04 2278.00 1.454 352.96 2279.00 1.450 352.89 2280.00 1.446 352.81 2281.00 1.442 352.74 2282.00 1.438 352.66 2283.00 1.434 352.58 2284.00 1.430 352.50 2285.00 1.426 352.43 2286.00 1.421 352.35 2287.00 1.417 352.27 2288.00 1.413 352.19 2289.00 1.408 352.11 2290.00 1.404 352.03 2291.00 1.399 351.95 2292.00 1.394 351.87 2293.00 1.390 351.79 2294.00 1.385 351.70
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 14:35:46 |