| WDS: | STF2556 | WDS ID/Discoverer |
| P: | 622.400 | Orbital period (years) |
| a: | 0.678 | Semi-major axis (arcseconds) |
| i: | 140.9 | Inclination (degrees) |
| Ω: | 44.5 | Longitude of ascending node (degrees) |
| T: | 1970.310 | Epoch of periastron passage (year) |
| e: | 0.476 | Eccentricity |
| ω: | 356.0 | Longitude of periastron (degrees) |
| Start-Year: | 1713.8 | Year |
| End-Year: | 2336.2 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2556 |
||
| Position: | 193926.31+221523.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19394+2215 | WDS designation |
| Discoverer Code: | STF2556 | Discover designation and components |
| ADS number: | 12752 | Aitken Double Star catalog |
| HD number: | 185661 | HD catalog number |
| Hipparcos number: | 96691 | Hipparcos catalog number |
| V1: | 7.71 | Magnitude of the primary |
| V2: | 8.92 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1997 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Ari1999 | 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 0.387 329.79 -------------------------- 1713.80 0.973 217.52 1714.80 0.972 217.33 1715.80 0.971 217.14 1716.80 0.970 216.94 1717.80 0.969 216.75 1718.80 0.968 216.56 1719.80 0.966 216.36 1720.80 0.965 216.17 1721.80 0.964 215.97 1722.80 0.963 215.78 1723.80 0.961 215.58 1724.80 0.960 215.38 1725.80 0.959 215.19 1726.80 0.957 214.99 1727.80 0.956 214.79 1728.80 0.955 214.59 1729.80 0.953 214.39 1730.80 0.952 214.19 1731.80 0.950 213.99 1732.80 0.949 213.79 1733.80 0.947 213.59 1734.80 0.946 213.39 1735.80 0.944 213.18 1736.80 0.943 212.98 1737.80 0.941 212.77 1738.80 0.939 212.57 1739.80 0.938 212.36 1740.80 0.936 212.16 1741.80 0.934 211.95 1742.80 0.933 211.74 1743.80 0.931 211.53 1744.80 0.929 211.32 1745.80 0.927 211.11 1746.80 0.925 210.90 1747.80 0.924 210.69 1748.80 0.922 210.47 1749.80 0.920 210.26 1750.80 0.918 210.05 1751.80 0.916 209.83 1752.80 0.914 209.61 1753.80 0.912 209.40 1754.80 0.910 209.18 1755.80 0.908 208.96 1756.80 0.906 208.74 1757.80 0.904 208.51 1758.80 0.902 208.29 1759.80 0.900 208.07 1760.80 0.898 207.84 1761.80 0.896 207.62 1762.80 0.893 207.39 1763.80 0.891 207.16 1764.80 0.889 206.93 1765.80 0.887 206.70 1766.80 0.885 206.47 1767.80 0.882 206.24 1768.80 0.880 206.01 1769.80 0.878 205.77 1770.80 0.875 205.54 1771.80 0.873 205.30 1772.80 0.870 205.06 1773.80 0.868 204.82 1774.80 0.866 204.58 1775.80 0.863 204.33 1776.80 0.861 204.09 1777.80 0.858 203.84 1778.80 0.856 203.60 1779.80 0.853 203.35 1780.80 0.851 203.10 1781.80 0.848 202.85 1782.80 0.845 202.59 1783.80 0.843 202.34 1784.80 0.840 202.08 1785.80 0.837 201.83 1786.80 0.835 201.57 1787.80 0.832 201.30 1788.80 0.829 201.04 1789.80 0.826 200.78 1790.80 0.824 200.51 1791.80 0.821 200.24 1792.80 0.818 199.97 1793.80 0.815 199.70 1794.80 0.812 199.42 1795.80 0.809 199.15 1796.80 0.806 198.87 1797.80 0.803 198.59 1798.80 0.800 198.31 1799.80 0.797 198.02 1800.80 0.794 197.74 1801.80 0.791 197.45 1802.80 0.788 197.16 1803.80 0.785 196.86 1804.80 0.782 196.57 1805.80 0.779 196.27 1806.80 0.776 195.97 1807.80 0.773 195.67 1808.80 0.769 195.36 1809.80 0.766 195.05 1810.80 0.763 194.74 1811.80 0.760 194.43 1812.80 0.756 194.12 1813.80 0.753 193.80 1814.80 0.750 193.48 1815.80 0.747 193.15 1816.80 0.743 192.82 1817.80 0.740 192.49 1818.80 0.736 192.16 1819.80 0.733 191.82 1820.80 0.730 191.49 1821.80 0.726 191.14 1822.80 0.723 190.80 1823.80 0.719 190.45 1824.80 0.716 190.09 1825.80 0.712 189.74 1826.80 0.709 189.38 1827.80 0.705 189.02 1828.80 0.701 188.65 1829.80 0.698 188.28 1830.80 0.694 187.90 1831.80 0.690 187.52 1832.80 0.687 187.14 1833.80 0.683 186.76 1834.80 0.679 186.36 1835.80 0.676 185.97 1836.80 0.672 185.57 1837.80 0.668 185.17 1838.80 0.664 184.76 1839.80 0.661 184.34 1840.80 0.657 183.93 1841.80 0.653 183.50 1842.80 0.649 183.07 1843.80 0.645 182.64 1844.80 0.642 182.20 1845.80 0.638 181.76 1846.80 0.634 181.31 1847.80 0.630 180.86 1848.80 0.626 180.40 1849.80 0.622 179.93 1850.80 0.618 179.46 1851.80 0.614 178.98 1852.80 0.610 178.50 1853.80 0.606 178.00 1854.80 0.602 177.51 1855.80 0.598 177.00 1856.80 0.594 176.49 1857.80 0.590 175.98 1858.80 0.586 175.45 1859.80 0.582 174.92 1860.80 0.578 174.38 1861.80 0.574 173.84 1862.80 0.570 173.28 1863.80 0.566 172.72 1864.80 0.562 172.15 1865.80 0.558 171.57 1866.80 0.554 170.98 1867.80 0.550 170.39 1868.80 0.546 169.78 1869.80 0.542 169.17 1870.80 0.538 168.55 1871.80 0.534 167.91 1872.80 0.530 167.27 1873.80 0.526 166.62 1874.80 0.522 165.96 1875.80 0.517 165.29 1876.80 0.513 164.60 1877.80 0.509 163.91 1878.80 0.505 163.20 1879.80 0.501 162.49 1880.80 0.497 161.76 1881.80 0.493 161.02 1882.80 0.489 160.27 1883.80 0.486 159.51 1884.80 0.482 158.73 1885.80 0.478 157.94 1886.80 0.474 157.14 1887.80 0.470 156.32 1888.80 0.466 155.50 1889.80 0.462 154.65 1890.80 0.458 153.80 1891.80 0.455 152.93 1892.80 0.451 152.04 1893.80 0.447 151.14 1894.80 0.444 150.23 1895.80 0.440 149.30 1896.80 0.436 148.35 1897.80 0.433 147.39 1898.80 0.429 146.42 1899.80 0.426 145.42 1900.80 0.422 144.41 1901.80 0.419 143.39 1902.80 0.416 142.35 1903.80 0.412 141.29 1904.80 0.409 140.21 1905.80 0.406 139.12 1906.80 0.403 138.01 1907.80 0.400 136.89 1908.80 0.397 135.74 1909.80 0.394 134.58 1910.80 0.391 133.41 1911.80 0.388 132.21 1912.80 0.386 131.00 1913.80 0.383 129.78 1914.80 0.381 128.53 1915.80 0.378 127.27 1916.80 0.376 125.99 1917.80 0.373 124.70 1918.80 0.371 123.39 1919.80 0.369 122.07 1920.80 0.367 120.73 1921.80 0.365 119.37 1922.80 0.363 118.00 1923.80 0.361 116.62 1924.80 0.360 115.23 1925.80 0.358 113.82 1926.80 0.357 112.40 1927.80 0.355 110.97 1928.80 0.354 109.52 1929.80 0.353 108.07 1930.80 0.352 106.61 1931.80 0.351 105.14 1932.80 0.350 103.66 1933.80 0.349 102.17 1934.80 0.348 100.67 1935.80 0.347 99.17 1936.80 0.347 97.67 1937.80 0.346 96.16 1938.80 0.346 94.64 1939.80 0.346 93.13 1940.80 0.345 91.60 1941.80 0.345 90.08 1942.80 0.345 88.56 1943.80 0.345 87.03 1944.80 0.345 85.51 1945.80 0.345 83.99 1946.80 0.345 82.46 1947.80 0.345 80.94 1948.80 0.346 79.42 1949.80 0.346 77.91 1950.80 0.346 76.39 1951.80 0.347 74.88 1952.80 0.347 73.37 1953.80 0.348 71.87 1954.80 0.348 70.37 1955.80 0.348 68.87 1956.80 0.349 67.38 1957.80 0.349 65.89 1958.80 0.350 64.41 1959.80 0.350 62.93 1960.80 0.351 61.45 1961.80 0.351 59.98 1962.80 0.352 58.51 1963.80 0.352 57.05 1964.80 0.353 55.59 1965.80 0.353 54.13 1966.80 0.354 52.68 1967.80 0.354 51.23 1968.80 0.354 49.78 1969.80 0.355 48.34 1970.80 0.355 46.90 1971.80 0.355 45.46 1972.80 0.356 44.03 1973.80 0.356 42.59 1974.80 0.356 41.16 1975.80 0.356 39.73 1976.80 0.356 38.30 1977.80 0.357 36.87 1978.80 0.357 35.45 1979.80 0.357 34.02 1980.80 0.357 32.59 1981.80 0.357 31.17 1982.80 0.357 29.74 1983.80 0.357 28.32 1984.80 0.357 26.89 1985.80 0.357 25.47 1986.80 0.357 24.04 1987.80 0.357 22.62 1988.80 0.357 21.19 1989.80 0.357 19.77 1990.80 0.357 18.34 1991.80 0.357 16.92 1992.80 0.357 15.49 1993.80 0.357 14.07 1994.80 0.357 12.64 1995.80 0.357 11.22 1996.80 0.357 9.80 1997.80 0.357 8.38 1998.80 0.358 6.96 1999.80 0.358 5.54 2000.80 0.358 4.12 2001.80 0.358 2.71 2002.80 0.359 1.30 2003.80 0.359 359.89 2004.80 0.360 358.49 2005.80 0.360 357.09 2006.80 0.361 355.69 2007.80 0.362 354.30 2008.80 0.362 352.92 2009.80 0.363 351.54 2010.80 0.364 350.17 2011.80 0.365 348.80 2012.80 0.366 347.44 2013.80 0.367 346.09 2014.80 0.368 344.75 2015.80 0.369 343.42 2016.80 0.371 342.09 2017.80 0.372 340.78 2018.80 0.374 339.47 2019.80 0.375 338.18 2020.80 0.377 336.89 2021.80 0.378 335.62 2022.80 0.380 334.36 2023.80 0.382 333.11 2024.80 0.384 331.87 2025.80 0.386 330.64 2026.80 0.388 329.43 2027.80 0.390 328.23 2028.80 0.392 327.04 2029.80 0.394 325.87 2030.80 0.396 324.70 2031.80 0.399 323.56 2032.80 0.401 322.42 2033.80 0.404 321.30 2034.80 0.406 320.20 2035.80 0.409 319.10 2036.80 0.412 318.03 2037.80 0.414 316.96 2038.80 0.417 315.91 2039.80 0.420 314.88 2040.80 0.423 313.85 2041.80 0.426 312.84 2042.80 0.429 311.85 2043.80 0.432 310.87 2044.80 0.435 309.90 2045.80 0.438 308.95 2046.80 0.441 308.01 2047.80 0.444 307.08 2048.80 0.447 306.17 2049.80 0.451 305.27 2050.80 0.454 304.38 2051.80 0.457 303.51 2052.80 0.461 302.65 2053.80 0.464 301.80 2054.80 0.467 300.96 2055.80 0.471 300.14 2056.80 0.474 299.33 2057.80 0.478 298.52 2058.80 0.481 297.74 2059.80 0.485 296.96 2060.80 0.489 296.19 2061.80 0.492 295.44 2062.80 0.496 294.69 2063.80 0.499 293.96 2064.80 0.503 293.24 2065.80 0.507 292.53 2066.80 0.510 291.83 2067.80 0.514 291.13 2068.80 0.518 290.45 2069.80 0.521 289.78 2070.80 0.525 289.12 2071.80 0.529 288.47 2072.80 0.533 287.82 2073.80 0.536 287.19 2074.80 0.540 286.56 2075.80 0.544 285.94 2076.80 0.548 285.33 2077.80 0.551 284.73 2078.80 0.555 284.14 2079.80 0.559 283.56 2080.80 0.563 282.98 2081.80 0.567 282.41 2082.80 0.570 281.85 2083.80 0.574 281.29 2084.80 0.578 280.75 2085.80 0.582 280.21 2086.80 0.585 279.67 2087.80 0.589 279.15 2088.80 0.593 278.63 2089.80 0.597 278.11 2090.80 0.600 277.61 2091.80 0.604 277.11 2092.80 0.608 276.61 2093.80 0.612 276.13 2094.80 0.615 275.64 2095.80 0.619 275.17 2096.80 0.623 274.70 2097.80 0.626 274.23 2098.80 0.630 273.77 2099.80 0.634 273.32 2100.80 0.637 272.87 2101.80 0.641 272.42 2102.80 0.645 271.98 2103.80 0.648 271.55 2104.80 0.652 271.12 2105.80 0.656 270.70 2106.80 0.659 270.28 2107.80 0.663 269.86 2108.80 0.666 269.45 2109.80 0.670 269.05 2110.80 0.674 268.64 2111.80 0.677 268.25 2112.80 0.681 267.85 2113.80 0.684 267.46 2114.80 0.688 267.08 2115.80 0.691 266.69 2116.80 0.695 266.32 2117.80 0.698 265.94 2118.80 0.701 265.57 2119.80 0.705 265.20 2120.80 0.708 264.84 2121.80 0.712 264.48 2122.80 0.715 264.12 2123.80 0.718 263.77 2124.80 0.722 263.42 2125.80 0.725 263.07 2126.80 0.728 262.73 2127.80 0.732 262.39 2128.80 0.735 262.05 2129.80 0.738 261.72 2130.80 0.742 261.39 2131.80 0.745 261.06 2132.80 0.748 260.73 2133.80 0.751 260.41 2134.80 0.754 260.09 2135.80 0.757 259.77 2136.80 0.761 259.46 2137.80 0.764 259.14 2138.80 0.767 258.84 2139.80 0.770 258.53 2140.80 0.773 258.22 2141.80 0.776 257.92 2142.80 0.779 257.62 2143.80 0.782 257.32 2144.80 0.785 257.03 2145.80 0.788 256.73 2146.80 0.791 256.44 2147.80 0.794 256.15 2148.80 0.797 255.87 2149.80 0.800 255.58 2150.80 0.803 255.30 2151.80 0.805 255.02 2152.80 0.808 254.74 2153.80 0.811 254.46 2154.80 0.814 254.19 2155.80 0.817 253.92 2156.80 0.819 253.64 2157.80 0.822 253.37 2158.80 0.825 253.11 2159.80 0.828 252.84 2160.80 0.830 252.58 2161.80 0.833 252.31 2162.80 0.836 252.05 2163.80 0.838 251.80 2164.80 0.841 251.54 2165.80 0.843 251.28 2166.80 0.846 251.03 2167.80 0.848 250.77 2168.80 0.851 250.52 2169.80 0.854 250.27 2170.80 0.856 250.02 2171.80 0.858 249.78 2172.80 0.861 249.53 2173.80 0.863 249.29 2174.80 0.866 249.05 2175.80 0.868 248.80 2176.80 0.870 248.56 2177.80 0.873 248.32 2178.80 0.875 248.09 2179.80 0.877 247.85 2180.80 0.880 247.62 2181.80 0.882 247.38 2182.80 0.884 247.15 2183.80 0.886 246.92 2184.80 0.888 246.69 2185.80 0.891 246.46 2186.80 0.893 246.23 2187.80 0.895 246.00 2188.80 0.897 245.78 2189.80 0.899 245.55 2190.80 0.901 245.33 2191.80 0.903 245.10 2192.80 0.905 244.88 2193.80 0.907 244.66 2194.80 0.909 244.44 2195.80 0.911 244.22 2196.80 0.913 244.00 2197.80 0.915 243.79 2198.80 0.917 243.57 2199.80 0.919 243.36 2200.80 0.921 243.14 2201.80 0.922 242.93 2202.80 0.924 242.71 2203.80 0.926 242.50 2204.80 0.928 242.29 2205.80 0.930 242.08 2206.80 0.931 241.87 2207.80 0.933 241.66 2208.80 0.935 241.45 2209.80 0.936 241.25 2210.80 0.938 241.04 2211.80 0.940 240.83 2212.80 0.941 240.63 2213.80 0.943 240.43 2214.80 0.944 240.22 2215.80 0.946 240.02 2216.80 0.947 239.82 2217.80 0.949 239.61 2218.80 0.950 239.41 2219.80 0.952 239.21 2220.80 0.953 239.01 2221.80 0.955 238.81 2222.80 0.956 238.61 2223.80 0.957 238.42 2224.80 0.959 238.22 2225.80 0.960 238.02 2226.80 0.961 237.82 2227.80 0.963 237.63 2228.80 0.964 237.43 2229.80 0.965 237.24 2230.80 0.966 237.04 2231.80 0.968 236.85 2232.80 0.969 236.65 2233.80 0.970 236.46 2234.80 0.971 236.27 2235.80 0.972 236.08 2236.80 0.973 235.88 2237.80 0.974 235.69 2238.80 0.975 235.50 2239.80 0.976 235.31 2240.80 0.977 235.12 2241.80 0.978 234.93 2242.80 0.979 234.74 2243.80 0.980 234.55 2244.80 0.981 234.36 2245.80 0.982 234.18 2246.80 0.983 233.99 2247.80 0.984 233.80 2248.80 0.985 233.61 2249.80 0.985 233.43 2250.80 0.986 233.24 2251.80 0.987 233.05 2252.80 0.988 232.87 2253.80 0.988 232.68 2254.80 0.989 232.50 2255.80 0.990 232.31 2256.80 0.990 232.12 2257.80 0.991 231.94 2258.80 0.992 231.76 2259.80 0.992 231.57 2260.80 0.993 231.39 2261.80 0.993 231.20 2262.80 0.994 231.02 2263.80 0.994 230.84 2264.80 0.995 230.65 2265.80 0.995 230.47 2266.80 0.996 230.29 2267.80 0.996 230.10 2268.80 0.997 229.92 2269.80 0.997 229.74 2270.80 0.997 229.55 2271.80 0.998 229.37 2272.80 0.998 229.19 2273.80 0.998 229.01 2274.80 0.999 228.83 2275.80 0.999 228.64 2276.80 0.999 228.46 2277.80 0.999 228.28 2278.80 0.999 228.10 2279.80 1.000 227.92 2280.80 1.000 227.74 2281.80 1.000 227.55 2282.80 1.000 227.37 2283.80 1.000 227.19 2284.80 1.000 227.01 2285.80 1.000 226.83 2286.80 1.000 226.65 2287.80 1.000 226.46 2288.80 1.000 226.28 2289.80 1.000 226.10 2290.80 1.000 225.92 2291.80 1.000 225.74 2292.80 1.000 225.56 2293.80 1.000 225.38 2294.80 0.999 225.19 2295.80 0.999 225.01 2296.80 0.999 224.83 2297.80 0.999 224.65 2298.80 0.998 224.47 2299.80 0.998 224.28 2300.80 0.998 224.10 2301.80 0.998 223.92 2302.80 0.997 223.74 2303.80 0.997 223.56 2304.80 0.997 223.37 2305.80 0.996 223.19 2306.80 0.996 223.01 2307.80 0.995 222.82 2308.80 0.995 222.64 2309.80 0.994 222.46 2310.80 0.994 222.27 2311.80 0.993 222.09 2312.80 0.993 221.91 2313.80 0.992 221.72 2314.80 0.991 221.54 2315.80 0.991 221.35 2316.80 0.990 221.17 2317.80 0.990 220.98 2318.80 0.989 220.80 2319.80 0.988 220.61 2320.80 0.987 220.42 2321.80 0.987 220.24 2322.80 0.986 220.05 2323.80 0.985 219.86 2324.80 0.984 219.68 2325.80 0.983 219.49 2326.80 0.983 219.30 2327.80 0.982 219.11 2328.80 0.981 218.93 2329.80 0.980 218.74 2330.80 0.979 218.55 2331.80 0.978 218.36 2332.80 0.977 218.17 2333.80 0.976 217.98 2334.80 0.975 217.79 2335.80 0.974 217.60
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:06:53 |