| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:08:13 |
| WDS: | STF2579AB | WDS ID/Discoverer |
| P: | 657.172 | Orbital period (years) |
| a: | 2.68872 | Semi-major axis (arcseconds) |
| i: | 154.254 | Inclination (degrees) |
| Ω: | 138.595 | Longitude of ascending node (degrees) |
| T: | 1866.357 | Epoch of periastron passage (year) |
| e: | 0.43962 | Eccentricity |
| ω: | 151.114 | Longitude of periastron (degrees) |
| Start-Year: | 1697.0 | Year |
| End-Year: | 2353.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 194458.44+450750.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19450+4508 | WDS designation |
| Discoverer Code: | STF2579AB | Discover designation and components |
| ADS number: | 12880 | Aitken Double Star catalog |
| HD number: | 186882 | HD catalog number |
| Hipparcos number: | 97165 | Hipparcos catalog number |
| V1: | 2.89 | Magnitude of the primary |
| V2: | 6.27 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 2.814 212.8 ------------------------- 1697.0 3.180 125.9 1698.0 3.170 125.5 1699.0 3.161 125.2 1700.0 3.151 124.9 1701.0 3.142 124.6 1702.0 3.132 124.3 1703.0 3.122 123.9 1704.0 3.112 123.6 1705.0 3.102 123.3 1706.0 3.092 122.9 1707.0 3.082 122.6 1708.0 3.072 122.3 1709.0 3.062 121.9 1710.0 3.051 121.6 1711.0 3.041 121.2 1712.0 3.030 120.9 1713.0 3.020 120.5 1714.0 3.009 120.2 1715.0 2.998 119.8 1716.0 2.988 119.5 1717.0 2.977 119.1 1718.0 2.966 118.7 1719.0 2.955 118.4 1720.0 2.944 118.0 1721.0 2.933 117.6 1722.0 2.921 117.3 1723.0 2.910 116.9 1724.0 2.899 116.5 1725.0 2.887 116.1 1726.0 2.876 115.7 1727.0 2.864 115.3 1728.0 2.852 115.0 1729.0 2.841 114.6 1730.0 2.829 114.2 1731.0 2.817 113.8 1732.0 2.805 113.4 1733.0 2.793 112.9 1734.0 2.781 112.5 1735.0 2.769 112.1 1736.0 2.756 111.7 1737.0 2.744 111.3 1738.0 2.732 110.8 1739.0 2.719 110.4 1740.0 2.707 110.0 1741.0 2.694 109.5 1742.0 2.682 109.1 1743.0 2.669 108.6 1744.0 2.656 108.2 1745.0 2.643 107.7 1746.0 2.630 107.3 1747.0 2.617 106.8 1748.0 2.604 106.3 1749.0 2.591 105.9 1750.0 2.578 105.4 1751.0 2.565 104.9 1752.0 2.552 104.4 1753.0 2.538 103.9 1754.0 2.525 103.4 1755.0 2.512 102.9 1756.0 2.498 102.4 1757.0 2.485 101.9 1758.0 2.471 101.4 1759.0 2.457 100.8 1760.0 2.444 100.3 1761.0 2.430 99.8 1762.0 2.416 99.2 1763.0 2.402 98.7 1764.0 2.388 98.1 1765.0 2.374 97.5 1766.0 2.361 97.0 1767.0 2.347 96.4 1768.0 2.332 95.8 1769.0 2.318 95.2 1770.0 2.304 94.6 1771.0 2.290 94.0 1772.0 2.276 93.4 1773.0 2.262 92.8 1774.0 2.248 92.1 1775.0 2.234 91.5 1776.0 2.219 90.9 1777.0 2.205 90.2 1778.0 2.191 89.5 1779.0 2.176 88.9 1780.0 2.162 88.2 1781.0 2.148 87.5 1782.0 2.134 86.8 1783.0 2.119 86.1 1784.0 2.105 85.4 1785.0 2.091 84.6 1786.0 2.077 83.9 1787.0 2.062 83.2 1788.0 2.048 82.4 1789.0 2.034 81.6 1790.0 2.020 80.9 1791.0 2.006 80.1 1792.0 1.992 79.3 1793.0 1.978 78.4 1794.0 1.964 77.6 1795.0 1.950 76.8 1796.0 1.936 75.9 1797.0 1.922 75.1 1798.0 1.908 74.2 1799.0 1.894 73.3 1800.0 1.881 72.4 1801.0 1.867 71.5 1802.0 1.854 70.6 1803.0 1.841 69.6 1804.0 1.827 68.7 1805.0 1.814 67.7 1806.0 1.801 66.7 1807.0 1.788 65.7 1808.0 1.776 64.7 1809.0 1.763 63.7 1810.0 1.751 62.7 1811.0 1.738 61.6 1812.0 1.726 60.6 1813.0 1.714 59.5 1814.0 1.702 58.4 1815.0 1.691 57.3 1816.0 1.679 56.1 1817.0 1.668 55.0 1818.0 1.657 53.8 1819.0 1.646 52.7 1820.0 1.636 51.5 1821.0 1.625 50.3 1822.0 1.615 49.0 1823.0 1.605 47.8 1824.0 1.596 46.5 1825.0 1.586 45.3 1826.0 1.577 44.0 1827.0 1.568 42.7 1828.0 1.560 41.4 1829.0 1.551 40.1 1830.0 1.543 38.7 1831.0 1.536 37.4 1832.0 1.528 36.0 1833.0 1.521 34.6 1834.0 1.515 33.2 1835.0 1.508 31.8 1836.0 1.502 30.4 1837.0 1.496 29.0 1838.0 1.491 27.6 1839.0 1.486 26.1 1840.0 1.481 24.7 1841.0 1.477 23.2 1842.0 1.473 21.7 1843.0 1.469 20.3 1844.0 1.466 18.8 1845.0 1.463 17.3 1846.0 1.460 15.8 1847.0 1.458 14.3 1848.0 1.456 12.8 1849.0 1.454 11.2 1850.0 1.453 9.7 1851.0 1.452 8.2 1852.0 1.451 6.7 1853.0 1.451 5.2 1854.0 1.450 3.6 1855.0 1.451 2.1 1856.0 1.451 0.6 1857.0 1.452 359.1 1858.0 1.453 357.6 1859.0 1.455 356.0 1860.0 1.456 354.5 1861.0 1.458 353.0 1862.0 1.461 351.5 1863.0 1.463 350.0 1864.0 1.466 348.5 1865.0 1.469 347.0 1866.0 1.472 345.5 1867.0 1.475 344.1 1868.0 1.479 342.6 1869.0 1.483 341.1 1870.0 1.487 339.7 1871.0 1.491 338.2 1872.0 1.495 336.8 1873.0 1.500 335.4 1874.0 1.504 334.0 1875.0 1.509 332.5 1876.0 1.514 331.1 1877.0 1.519 329.8 1878.0 1.525 328.4 1879.0 1.530 327.0 1880.0 1.535 325.6 1881.0 1.541 324.3 1882.0 1.547 322.9 1883.0 1.553 321.6 1884.0 1.559 320.3 1885.0 1.565 319.0 1886.0 1.571 317.7 1887.0 1.577 316.4 1888.0 1.583 315.1 1889.0 1.589 313.8 1890.0 1.596 312.5 1891.0 1.602 311.3 1892.0 1.609 310.0 1893.0 1.616 308.8 1894.0 1.622 307.6 1895.0 1.629 306.4 1896.0 1.636 305.2 1897.0 1.643 304.0 1898.0 1.650 302.8 1899.0 1.657 301.6 1900.0 1.664 300.5 1901.0 1.671 299.3 1902.0 1.678 298.2 1903.0 1.685 297.0 1904.0 1.693 295.9 1905.0 1.700 294.8 1906.0 1.708 293.7 1907.0 1.715 292.6 1908.0 1.723 291.5 1909.0 1.730 290.4 1910.0 1.738 289.4 1911.0 1.745 288.3 1912.0 1.753 287.3 1913.0 1.761 286.2 1914.0 1.769 285.2 1915.0 1.777 284.2 1916.0 1.785 283.2 1917.0 1.793 282.2 1918.0 1.801 281.2 1919.0 1.809 280.2 1920.0 1.817 279.2 1921.0 1.825 278.3 1922.0 1.833 277.3 1923.0 1.842 276.4 1924.0 1.850 275.4 1925.0 1.859 274.5 1926.0 1.867 273.6 1927.0 1.875 272.6 1928.0 1.884 271.7 1929.0 1.893 270.8 1930.0 1.901 270.0 1931.0 1.910 269.1 1932.0 1.919 268.2 1933.0 1.927 267.3 1934.0 1.936 266.5 1935.0 1.945 265.6 1936.0 1.954 264.8 1937.0 1.963 263.9 1938.0 1.972 263.1 1939.0 1.981 262.3 1940.0 1.990 261.5 1941.0 1.999 260.7 1942.0 2.008 259.9 1943.0 2.018 259.1 1944.0 2.027 258.3 1945.0 2.036 257.5 1946.0 2.045 256.8 1947.0 2.055 256.0 1948.0 2.064 255.2 1949.0 2.074 254.5 1950.0 2.083 253.8 1951.0 2.092 253.0 1952.0 2.102 252.3 1953.0 2.111 251.6 1954.0 2.121 250.9 1955.0 2.131 250.1 1956.0 2.140 249.4 1957.0 2.150 248.7 1958.0 2.159 248.1 1959.0 2.169 247.4 1960.0 2.179 246.7 1961.0 2.189 246.0 1962.0 2.198 245.4 1963.0 2.208 244.7 1964.0 2.218 244.0 1965.0 2.228 243.4 1966.0 2.237 242.7 1967.0 2.247 242.1 1968.0 2.257 241.5 1969.0 2.267 240.9 1970.0 2.277 240.2 1971.0 2.287 239.6 1972.0 2.297 239.0 1973.0 2.307 238.4 1974.0 2.316 237.8 1975.0 2.326 237.2 1976.0 2.336 236.6 1977.0 2.346 236.0 1978.0 2.356 235.5 1979.0 2.366 234.9 1980.0 2.376 234.3 1981.0 2.386 233.7 1982.0 2.396 233.2 1983.0 2.406 232.6 1984.0 2.416 232.1 1985.0 2.426 231.5 1986.0 2.436 231.0 1987.0 2.446 230.4 1988.0 2.456 229.9 1989.0 2.466 229.4 1990.0 2.475 228.9 1991.0 2.485 228.3 1992.0 2.495 227.8 1993.0 2.505 227.3 1994.0 2.515 226.8 1995.0 2.525 226.3 1996.0 2.535 225.8 1997.0 2.545 225.3 1998.0 2.555 224.8 1999.0 2.564 224.3 2000.0 2.574 223.8 2001.0 2.584 223.4 2002.0 2.594 222.9 2003.0 2.604 222.4 2004.0 2.614 221.9 2005.0 2.623 221.5 2006.0 2.633 221.0 2007.0 2.643 220.5 2008.0 2.652 220.1 2009.0 2.662 219.6 2010.0 2.672 219.2 2011.0 2.682 218.7 2012.0 2.691 218.3 2013.0 2.701 217.8 2014.0 2.710 217.4 2015.0 2.720 217.0 2016.0 2.730 216.5 2017.0 2.739 216.1 2018.0 2.749 215.7 2019.0 2.758 215.3 2020.0 2.767 214.8 2021.0 2.777 214.4 2022.0 2.786 214.0 2023.0 2.796 213.6 2024.0 2.805 213.2 2025.0 2.814 212.8 2026.0 2.824 212.4 2027.0 2.833 212.0 2028.0 2.842 211.6 2029.0 2.851 211.2 2030.0 2.861 210.8 2031.0 2.870 210.4 2032.0 2.879 210.0 2033.0 2.888 209.6 2034.0 2.897 209.3 2035.0 2.906 208.9 2036.0 2.915 208.5 2037.0 2.924 208.1 2038.0 2.933 207.7 2039.0 2.942 207.4 2040.0 2.951 207.0 2041.0 2.960 206.6 2042.0 2.969 206.3 2043.0 2.977 205.9 2044.0 2.986 205.5 2045.0 2.995 205.2 2046.0 3.003 204.8 2047.0 3.012 204.5 2048.0 3.021 204.1 2049.0 3.029 203.8 2050.0 3.038 203.4 2051.0 3.046 203.1 2052.0 3.055 202.7 2053.0 3.063 202.4 2054.0 3.072 202.1 2055.0 3.080 201.7 2056.0 3.088 201.4 2057.0 3.096 201.0 2058.0 3.105 200.7 2059.0 3.113 200.4 2060.0 3.121 200.1 2061.0 3.129 199.7 2062.0 3.137 199.4 2063.0 3.145 199.1 2064.0 3.153 198.7 2065.0 3.161 198.4 2066.0 3.169 198.1 2067.0 3.177 197.8 2068.0 3.185 197.5 2069.0 3.193 197.2 2070.0 3.200 196.8 2071.0 3.208 196.5 2072.0 3.216 196.2 2073.0 3.223 195.9 2074.0 3.231 195.6 2075.0 3.238 195.3 2076.0 3.246 195.0 2077.0 3.253 194.7 2078.0 3.261 194.4 2079.0 3.268 194.1 2080.0 3.275 193.8 2081.0 3.283 193.5 2082.0 3.290 193.2 2083.0 3.297 192.9 2084.0 3.304 192.6 2085.0 3.311 192.3 2086.0 3.318 192.0 2087.0 3.325 191.7 2088.0 3.332 191.4 2089.0 3.339 191.2 2090.0 3.346 190.9 2091.0 3.353 190.6 2092.0 3.360 190.3 2093.0 3.366 190.0 2094.0 3.373 189.7 2095.0 3.380 189.4 2096.0 3.386 189.2 2097.0 3.393 188.9 2098.0 3.399 188.6 2099.0 3.406 188.3 2100.0 3.412 188.1 2101.0 3.418 187.8 2102.0 3.425 187.5 2103.0 3.431 187.2 2104.0 3.437 187.0 2105.0 3.443 186.7 2106.0 3.449 186.4 2107.0 3.456 186.2 2108.0 3.462 185.9 2109.0 3.468 185.6 2110.0 3.473 185.4 2111.0 3.479 185.1 2112.0 3.485 184.8 2113.0 3.491 184.6 2114.0 3.497 184.3 2115.0 3.502 184.0 2116.0 3.508 183.8 2117.0 3.513 183.5 2118.0 3.519 183.3 2119.0 3.524 183.0 2120.0 3.530 182.7 2121.0 3.535 182.5 2122.0 3.541 182.2 2123.0 3.546 182.0 2124.0 3.551 181.7 2125.0 3.556 181.5 2126.0 3.561 181.2 2127.0 3.566 181.0 2128.0 3.571 180.7 2129.0 3.576 180.5 2130.0 3.581 180.2 2131.0 3.586 180.0 2132.0 3.591 179.7 2133.0 3.596 179.5 2134.0 3.600 179.2 2135.0 3.605 179.0 2136.0 3.610 178.7 2137.0 3.614 178.5 2138.0 3.619 178.2 2139.0 3.623 178.0 2140.0 3.627 177.7 2141.0 3.632 177.5 2142.0 3.636 177.3 2143.0 3.640 177.0 2144.0 3.644 176.8 2145.0 3.649 176.5 2146.0 3.653 176.3 2147.0 3.657 176.1 2148.0 3.661 175.8 2149.0 3.665 175.6 2150.0 3.668 175.3 2151.0 3.672 175.1 2152.0 3.676 174.9 2153.0 3.680 174.6 2154.0 3.683 174.4 2155.0 3.687 174.2 2156.0 3.690 173.9 2157.0 3.694 173.7 2158.0 3.697 173.4 2159.0 3.701 173.2 2160.0 3.704 173.0 2161.0 3.707 172.7 2162.0 3.710 172.5 2163.0 3.714 172.3 2164.0 3.717 172.1 2165.0 3.720 171.8 2166.0 3.723 171.6 2167.0 3.726 171.4 2168.0 3.728 171.1 2169.0 3.731 170.9 2170.0 3.734 170.7 2171.0 3.737 170.4 2172.0 3.739 170.2 2173.0 3.742 170.0 2174.0 3.745 169.7 2175.0 3.747 169.5 2176.0 3.749 169.3 2177.0 3.752 169.1 2178.0 3.754 168.8 2179.0 3.756 168.6 2180.0 3.759 168.4 2181.0 3.761 168.2 2182.0 3.763 167.9 2183.0 3.765 167.7 2184.0 3.767 167.5 2185.0 3.769 167.3 2186.0 3.771 167.0 2187.0 3.772 166.8 2188.0 3.774 166.6 2189.0 3.776 166.4 2190.0 3.777 166.1 2191.0 3.779 165.9 2192.0 3.780 165.7 2193.0 3.782 165.5 2194.0 3.783 165.2 2195.0 3.785 165.0 2196.0 3.786 164.8 2197.0 3.787 164.6 2198.0 3.788 164.3 2199.0 3.789 164.1 2200.0 3.790 163.9 2201.0 3.791 163.7 2202.0 3.792 163.4 2203.0 3.793 163.2 2204.0 3.794 163.0 2205.0 3.795 162.8 2206.0 3.795 162.6 2207.0 3.796 162.3 2208.0 3.797 162.1 2209.0 3.797 161.9 2210.0 3.798 161.7 2211.0 3.798 161.4 2212.0 3.798 161.2 2213.0 3.799 161.0 2214.0 3.799 160.8 2215.0 3.799 160.6 2216.0 3.799 160.3 2217.0 3.799 160.1 2218.0 3.799 159.9 2219.0 3.799 159.7 2220.0 3.799 159.4 2221.0 3.799 159.2 2222.0 3.798 159.0 2223.0 3.798 158.8 2224.0 3.798 158.6 2225.0 3.797 158.3 2226.0 3.797 158.1 2227.0 3.796 157.9 2228.0 3.795 157.7 2229.0 3.795 157.4 2230.0 3.794 157.2 2231.0 3.793 157.0 2232.0 3.792 156.8 2233.0 3.791 156.6 2234.0 3.790 156.3 2235.0 3.789 156.1 2236.0 3.788 155.9 2237.0 3.787 155.7 2238.0 3.786 155.4 2239.0 3.784 155.2 2240.0 3.783 155.0 2241.0 3.781 154.8 2242.0 3.780 154.5 2243.0 3.778 154.3 2244.0 3.777 154.1 2245.0 3.775 153.9 2246.0 3.773 153.6 2247.0 3.771 153.4 2248.0 3.769 153.2 2249.0 3.767 153.0 2250.0 3.765 152.7 2251.0 3.763 152.5 2252.0 3.761 152.3 2253.0 3.759 152.1 2254.0 3.757 151.8 2255.0 3.754 151.6 2256.0 3.752 151.4 2257.0 3.749 151.2 2258.0 3.747 150.9 2259.0 3.744 150.7 2260.0 3.742 150.5 2261.0 3.739 150.2 2262.0 3.736 150.0 2263.0 3.733 149.8 2264.0 3.730 149.6 2265.0 3.727 149.3 2266.0 3.724 149.1 2267.0 3.721 148.9 2268.0 3.718 148.6 2269.0 3.715 148.4 2270.0 3.711 148.2 2271.0 3.708 147.9 2272.0 3.704 147.7 2273.0 3.701 147.5 2274.0 3.697 147.2 2275.0 3.694 147.0 2276.0 3.690 146.8 2277.0 3.686 146.5 2278.0 3.682 146.3 2279.0 3.678 146.1 2280.0 3.674 145.8 2281.0 3.670 145.6 2282.0 3.666 145.3 2283.0 3.662 145.1 2284.0 3.658 144.9 2285.0 3.653 144.6 2286.0 3.649 144.4 2287.0 3.644 144.1 2288.0 3.640 143.9 2289.0 3.635 143.7 2290.0 3.631 143.4 2291.0 3.626 143.2 2292.0 3.621 142.9 2293.0 3.616 142.7 2294.0 3.611 142.4 2295.0 3.606 142.2 2296.0 3.601 141.9 2297.0 3.596 141.7 2298.0 3.591 141.4 2299.0 3.585 141.2 2300.0 3.580 140.9 2301.0 3.574 140.7 2302.0 3.569 140.4 2303.0 3.563 140.2 2304.0 3.558 139.9 2305.0 3.552 139.7 2306.0 3.546 139.4 2307.0 3.540 139.2 2308.0 3.534 138.9 2309.0 3.528 138.7 2310.0 3.522 138.4 2311.0 3.516 138.1 2312.0 3.510 137.9 2313.0 3.503 137.6 2314.0 3.497 137.4 2315.0 3.491 137.1 2316.0 3.484 136.8 2317.0 3.477 136.6 2318.0 3.471 136.3 2319.0 3.464 136.0 2320.0 3.457 135.8 2321.0 3.450 135.5 2322.0 3.443 135.2 2323.0 3.436 135.0 2324.0 3.429 134.7 2325.0 3.422 134.4 2326.0 3.415 134.1 2327.0 3.407 133.9 2328.0 3.400 133.6 2329.0 3.393 133.3 2330.0 3.385 133.0 2331.0 3.377 132.8 2332.0 3.370 132.5 2333.0 3.362 132.2 2334.0 3.354 131.9 2335.0 3.346 131.6 2336.0 3.338 131.3 2337.0 3.330 131.1 2338.0 3.322 130.8 2339.0 3.314 130.5 2340.0 3.305 130.2 2341.0 3.297 129.9 2342.0 3.289 129.6 2343.0 3.280 129.3 2344.0 3.272 129.0 2345.0 3.263 128.7 2346.0 3.254 128.4 2347.0 3.245 128.1 2348.0 3.236 127.8 2349.0 3.227 127.5 2350.0 3.218 127.2 2351.0 3.209 126.9 2352.0 3.200 126.5