| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:50:47 |
| WDS: | STF380 | WDS ID/Discoverer |
| P: | 663.556 | Orbital period (years) |
| a: | 1.47962 | Semi-major axis (arcseconds) |
| i: | 119.531 | Inclination (degrees) |
| Ω: | 83.256 | Longitude of ascending node (degrees) |
| T: | 1786.897 | Epoch of periastron passage (year) |
| e: | 0.35215 | Eccentricity |
| ω: | 293.683 | Longitude of periastron (degrees) |
| Start-Year: | 1694.0 | Year |
| End-Year: | 2356.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 032143.84+084523.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03217+0845 | WDS designation |
| Discoverer Code: | STF380 | Discover designation and components |
| ADS number: | 2491 | Aitken Double Star catalog |
| HD number: | 20837 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.02 | Magnitude of the primary |
| V2: | 9.81 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2008 | 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 0.936 0.0 ------------------------- 1694.0 1.213 251.0 1695.0 1.203 250.6 1696.0 1.194 250.2 1697.0 1.184 249.8 1698.0 1.174 249.5 1699.0 1.164 249.1 1700.0 1.154 248.6 1701.0 1.144 248.2 1702.0 1.134 247.8 1703.0 1.124 247.4 1704.0 1.113 246.9 1705.0 1.103 246.5 1706.0 1.092 246.0 1707.0 1.081 245.6 1708.0 1.070 245.1 1709.0 1.060 244.6 1710.0 1.049 244.1 1711.0 1.037 243.6 1712.0 1.026 243.1 1713.0 1.015 242.6 1714.0 1.004 242.0 1715.0 0.992 241.5 1716.0 0.981 240.9 1717.0 0.969 240.3 1718.0 0.957 239.8 1719.0 0.946 239.2 1720.0 0.934 238.5 1721.0 0.922 237.9 1722.0 0.910 237.2 1723.0 0.898 236.6 1724.0 0.886 235.9 1725.0 0.874 235.2 1726.0 0.862 234.4 1727.0 0.850 233.7 1728.0 0.837 232.9 1729.0 0.825 232.1 1730.0 0.813 231.3 1731.0 0.801 230.5 1732.0 0.789 229.6 1733.0 0.776 228.7 1734.0 0.764 227.8 1735.0 0.752 226.8 1736.0 0.740 225.9 1737.0 0.728 224.8 1738.0 0.716 223.8 1739.0 0.704 222.7 1740.0 0.693 221.6 1741.0 0.681 220.4 1742.0 0.669 219.2 1743.0 0.658 218.0 1744.0 0.647 216.7 1745.0 0.636 215.3 1746.0 0.625 214.0 1747.0 0.614 212.5 1748.0 0.604 211.1 1749.0 0.594 209.5 1750.0 0.584 208.0 1751.0 0.574 206.3 1752.0 0.565 204.6 1753.0 0.556 202.9 1754.0 0.548 201.1 1755.0 0.540 199.2 1756.0 0.532 197.3 1757.0 0.525 195.4 1758.0 0.518 193.4 1759.0 0.512 191.3 1760.0 0.506 189.2 1761.0 0.501 187.0 1762.0 0.497 184.8 1763.0 0.493 182.6 1764.0 0.489 180.3 1765.0 0.487 178.0 1766.0 0.484 175.7 1767.0 0.483 173.3 1768.0 0.482 171.0 1769.0 0.482 168.6 1770.0 0.483 166.3 1771.0 0.484 163.9 1772.0 0.486 161.6 1773.0 0.489 159.3 1774.0 0.492 157.0 1775.0 0.496 154.8 1776.0 0.500 152.5 1777.0 0.505 150.4 1778.0 0.510 148.2 1779.0 0.516 146.2 1780.0 0.523 144.1 1781.0 0.530 142.2 1782.0 0.537 140.2 1783.0 0.545 138.4 1784.0 0.553 136.5 1785.0 0.562 134.8 1786.0 0.571 133.1 1787.0 0.580 131.4 1788.0 0.590 129.8 1789.0 0.599 128.3 1790.0 0.609 126.8 1791.0 0.620 125.3 1792.0 0.630 123.9 1793.0 0.640 122.6 1794.0 0.651 121.2 1795.0 0.662 120.0 1796.0 0.673 118.7 1797.0 0.684 117.5 1798.0 0.695 116.4 1799.0 0.706 115.3 1800.0 0.717 114.2 1801.0 0.728 113.1 1802.0 0.739 112.1 1803.0 0.750 111.1 1804.0 0.761 110.2 1805.0 0.772 109.2 1806.0 0.783 108.3 1807.0 0.794 107.5 1808.0 0.805 106.6 1809.0 0.816 105.8 1810.0 0.827 105.0 1811.0 0.838 104.2 1812.0 0.848 103.4 1813.0 0.859 102.6 1814.0 0.869 101.9 1815.0 0.879 101.2 1816.0 0.889 100.5 1817.0 0.899 99.8 1818.0 0.909 99.1 1819.0 0.919 98.5 1820.0 0.929 97.8 1821.0 0.938 97.2 1822.0 0.947 96.6 1823.0 0.956 96.0 1824.0 0.965 95.4 1825.0 0.974 94.8 1826.0 0.983 94.2 1827.0 0.992 93.7 1828.0 1.000 93.1 1829.0 1.008 92.6 1830.0 1.016 92.0 1831.0 1.024 91.5 1832.0 1.032 91.0 1833.0 1.039 90.5 1834.0 1.047 90.0 1835.0 1.054 89.5 1836.0 1.061 89.0 1837.0 1.068 88.5 1838.0 1.075 88.0 1839.0 1.081 87.6 1840.0 1.087 87.1 1841.0 1.094 86.6 1842.0 1.100 86.2 1843.0 1.105 85.7 1844.0 1.111 85.3 1845.0 1.117 84.8 1846.0 1.122 84.4 1847.0 1.127 84.0 1848.0 1.132 83.5 1849.0 1.137 83.1 1850.0 1.142 82.7 1851.0 1.146 82.3 1852.0 1.151 81.9 1853.0 1.155 81.5 1854.0 1.159 81.0 1855.0 1.163 80.6 1856.0 1.167 80.2 1857.0 1.170 79.8 1858.0 1.174 79.4 1859.0 1.177 79.0 1860.0 1.180 78.6 1861.0 1.183 78.2 1862.0 1.186 77.9 1863.0 1.189 77.5 1864.0 1.191 77.1 1865.0 1.194 76.7 1866.0 1.196 76.3 1867.0 1.198 75.9 1868.0 1.200 75.5 1869.0 1.202 75.2 1870.0 1.204 74.8 1871.0 1.205 74.4 1872.0 1.207 74.0 1873.0 1.208 73.7 1874.0 1.209 73.3 1875.0 1.211 72.9 1876.0 1.212 72.5 1877.0 1.212 72.2 1878.0 1.213 71.8 1879.0 1.214 71.4 1880.0 1.214 71.0 1881.0 1.215 70.7 1882.0 1.215 70.3 1883.0 1.215 69.9 1884.0 1.215 69.6 1885.0 1.215 69.2 1886.0 1.215 68.8 1887.0 1.215 68.4 1888.0 1.215 68.1 1889.0 1.215 67.7 1890.0 1.214 67.3 1891.0 1.213 67.0 1892.0 1.213 66.6 1893.0 1.212 66.2 1894.0 1.211 65.8 1895.0 1.210 65.5 1896.0 1.209 65.1 1897.0 1.208 64.7 1898.0 1.207 64.3 1899.0 1.206 64.0 1900.0 1.204 63.6 1901.0 1.203 63.2 1902.0 1.202 62.8 1903.0 1.200 62.5 1904.0 1.198 62.1 1905.0 1.197 61.7 1906.0 1.195 61.3 1907.0 1.193 60.9 1908.0 1.191 60.5 1909.0 1.189 60.2 1910.0 1.187 59.8 1911.0 1.185 59.4 1912.0 1.183 59.0 1913.0 1.181 58.6 1914.0 1.179 58.2 1915.0 1.176 57.8 1916.0 1.174 57.4 1917.0 1.172 57.0 1918.0 1.169 56.6 1919.0 1.167 56.2 1920.0 1.164 55.8 1921.0 1.162 55.4 1922.0 1.159 55.0 1923.0 1.157 54.6 1924.0 1.154 54.2 1925.0 1.151 53.8 1926.0 1.148 53.3 1927.0 1.146 52.9 1928.0 1.143 52.5 1929.0 1.140 52.1 1930.0 1.137 51.7 1931.0 1.134 51.2 1932.0 1.131 50.8 1933.0 1.128 50.4 1934.0 1.126 50.0 1935.0 1.123 49.5 1936.0 1.120 49.1 1937.0 1.117 48.6 1938.0 1.113 48.2 1939.0 1.110 47.8 1940.0 1.107 47.3 1941.0 1.104 46.9 1942.0 1.101 46.4 1943.0 1.098 46.0 1944.0 1.095 45.5 1945.0 1.092 45.1 1946.0 1.089 44.6 1947.0 1.086 44.1 1948.0 1.083 43.7 1949.0 1.079 43.2 1950.0 1.076 42.7 1951.0 1.073 42.2 1952.0 1.070 41.8 1953.0 1.067 41.3 1954.0 1.064 40.8 1955.0 1.061 40.3 1956.0 1.058 39.8 1957.0 1.055 39.3 1958.0 1.052 38.8 1959.0 1.049 38.4 1960.0 1.046 37.9 1961.0 1.043 37.3 1962.0 1.040 36.8 1963.0 1.037 36.3 1964.0 1.034 35.8 1965.0 1.031 35.3 1966.0 1.028 34.8 1967.0 1.025 34.3 1968.0 1.022 33.7 1969.0 1.019 33.2 1970.0 1.016 32.7 1971.0 1.014 32.2 1972.0 1.011 31.6 1973.0 1.008 31.1 1974.0 1.005 30.5 1975.0 1.003 30.0 1976.0 1.000 29.5 1977.0 0.998 28.9 1978.0 0.995 28.4 1979.0 0.992 27.8 1980.0 0.990 27.2 1981.0 0.988 26.7 1982.0 0.985 26.1 1983.0 0.983 25.6 1984.0 0.981 25.0 1985.0 0.978 24.4 1986.0 0.976 23.8 1987.0 0.974 23.3 1988.0 0.972 22.7 1989.0 0.970 22.1 1990.0 0.968 21.5 1991.0 0.966 20.9 1992.0 0.964 20.3 1993.0 0.962 19.8 1994.0 0.960 19.2 1995.0 0.959 18.6 1996.0 0.957 18.0 1997.0 0.955 17.4 1998.0 0.954 16.8 1999.0 0.952 16.2 2000.0 0.951 15.6 2001.0 0.949 15.0 2002.0 0.948 14.3 2003.0 0.947 13.7 2004.0 0.945 13.1 2005.0 0.944 12.5 2006.0 0.943 11.9 2007.0 0.942 11.3 2008.0 0.941 10.7 2009.0 0.940 10.0 2010.0 0.940 9.4 2011.0 0.939 8.8 2012.0 0.938 8.2 2013.0 0.938 7.6 2014.0 0.937 6.9 2015.0 0.937 6.3 2016.0 0.936 5.7 2017.0 0.936 5.1 2018.0 0.936 4.4 2019.0 0.935 3.8 2020.0 0.935 3.2 2021.0 0.935 2.5 2022.0 0.935 1.9 2023.0 0.935 1.3 2024.0 0.936 0.7 2025.0 0.936 0.0 2026.0 0.936 359.4 2027.0 0.936 358.8 2028.0 0.937 358.2 2029.0 0.937 357.5 2030.0 0.938 356.9 2031.0 0.939 356.3 2032.0 0.939 355.7 2033.0 0.940 355.1 2034.0 0.941 354.4 2035.0 0.942 353.8 2036.0 0.943 353.2 2037.0 0.944 352.6 2038.0 0.945 352.0 2039.0 0.947 351.4 2040.0 0.948 350.8 2041.0 0.949 350.1 2042.0 0.951 349.5 2043.0 0.952 348.9 2044.0 0.954 348.3 2045.0 0.955 347.7 2046.0 0.957 347.1 2047.0 0.959 346.5 2048.0 0.961 345.9 2049.0 0.962 345.3 2050.0 0.964 344.7 2051.0 0.966 344.2 2052.0 0.969 343.6 2053.0 0.971 343.0 2054.0 0.973 342.4 2055.0 0.975 341.8 2056.0 0.977 341.3 2057.0 0.980 340.7 2058.0 0.982 340.1 2059.0 0.985 339.6 2060.0 0.987 339.0 2061.0 0.990 338.4 2062.0 0.993 337.9 2063.0 0.995 337.3 2064.0 0.998 336.8 2065.0 1.001 336.2 2066.0 1.004 335.7 2067.0 1.007 335.1 2068.0 1.010 334.6 2069.0 1.013 334.1 2070.0 1.016 333.5 2071.0 1.019 333.0 2072.0 1.022 332.5 2073.0 1.026 331.9 2074.0 1.029 331.4 2075.0 1.032 330.9 2076.0 1.036 330.4 2077.0 1.039 329.9 2078.0 1.042 329.4 2079.0 1.046 328.9 2080.0 1.050 328.4 2081.0 1.053 327.9 2082.0 1.057 327.4 2083.0 1.060 326.9 2084.0 1.064 326.4 2085.0 1.068 325.9 2086.0 1.072 325.5 2087.0 1.075 325.0 2088.0 1.079 324.5 2089.0 1.083 324.0 2090.0 1.087 323.6 2091.0 1.091 323.1 2092.0 1.095 322.7 2093.0 1.099 322.2 2094.0 1.103 321.7 2095.0 1.107 321.3 2096.0 1.111 320.9 2097.0 1.115 320.4 2098.0 1.119 320.0 2099.0 1.123 319.5 2100.0 1.128 319.1 2101.0 1.132 318.7 2102.0 1.136 318.2 2103.0 1.140 317.8 2104.0 1.145 317.4 2105.0 1.149 317.0 2106.0 1.153 316.6 2107.0 1.157 316.2 2108.0 1.162 315.8 2109.0 1.166 315.4 2110.0 1.170 315.0 2111.0 1.175 314.6 2112.0 1.179 314.2 2113.0 1.184 313.8 2114.0 1.188 313.4 2115.0 1.192 313.0 2116.0 1.197 312.6 2117.0 1.201 312.2 2118.0 1.206 311.8 2119.0 1.210 311.5 2120.0 1.215 311.1 2121.0 1.219 310.7 2122.0 1.224 310.4 2123.0 1.228 310.0 2124.0 1.233 309.6 2125.0 1.237 309.3 2126.0 1.242 308.9 2127.0 1.246 308.6 2128.0 1.251 308.2 2129.0 1.255 307.9 2130.0 1.260 307.5 2131.0 1.264 307.2 2132.0 1.269 306.8 2133.0 1.273 306.5 2134.0 1.278 306.2 2135.0 1.282 305.8 2136.0 1.287 305.5 2137.0 1.291 305.2 2138.0 1.296 304.8 2139.0 1.300 304.5 2140.0 1.305 304.2 2141.0 1.309 303.9 2142.0 1.314 303.5 2143.0 1.318 303.2 2144.0 1.323 302.9 2145.0 1.327 302.6 2146.0 1.332 302.3 2147.0 1.336 302.0 2148.0 1.340 301.7 2149.0 1.345 301.4 2150.0 1.349 301.1 2151.0 1.354 300.8 2152.0 1.358 300.5 2153.0 1.362 300.2 2154.0 1.367 299.9 2155.0 1.371 299.6 2156.0 1.375 299.3 2157.0 1.380 299.0 2158.0 1.384 298.7 2159.0 1.388 298.4 2160.0 1.392 298.2 2161.0 1.397 297.9 2162.0 1.401 297.6 2163.0 1.405 297.3 2164.0 1.409 297.0 2165.0 1.413 296.8 2166.0 1.417 296.5 2167.0 1.421 296.2 2168.0 1.426 295.9 2169.0 1.430 295.7 2170.0 1.434 295.4 2171.0 1.438 295.1 2172.0 1.442 294.9 2173.0 1.446 294.6 2174.0 1.449 294.4 2175.0 1.453 294.1 2176.0 1.457 293.8 2177.0 1.461 293.6 2178.0 1.465 293.3 2179.0 1.469 293.1 2180.0 1.473 292.8 2181.0 1.476 292.6 2182.0 1.480 292.3 2183.0 1.484 292.1 2184.0 1.487 291.8 2185.0 1.491 291.6 2186.0 1.495 291.3 2187.0 1.498 291.1 2188.0 1.502 290.8 2189.0 1.505 290.6 2190.0 1.509 290.3 2191.0 1.512 290.1 2192.0 1.515 289.9 2193.0 1.519 289.6 2194.0 1.522 289.4 2195.0 1.525 289.2 2196.0 1.529 288.9 2197.0 1.532 288.7 2198.0 1.535 288.5 2199.0 1.538 288.2 2200.0 1.541 288.0 2201.0 1.544 287.8 2202.0 1.547 287.5 2203.0 1.550 287.3 2204.0 1.553 287.1 2205.0 1.556 286.9 2206.0 1.559 286.6 2207.0 1.562 286.4 2208.0 1.565 286.2 2209.0 1.567 286.0 2210.0 1.570 285.7 2211.0 1.573 285.5 2212.0 1.575 285.3 2213.0 1.578 285.1 2214.0 1.580 284.8 2215.0 1.583 284.6 2216.0 1.585 284.4 2217.0 1.588 284.2 2218.0 1.590 284.0 2219.0 1.592 283.8 2220.0 1.594 283.5 2221.0 1.597 283.3 2222.0 1.599 283.1 2223.0 1.601 282.9 2224.0 1.603 282.7 2225.0 1.605 282.5 2226.0 1.607 282.3 2227.0 1.609 282.0 2228.0 1.611 281.8 2229.0 1.612 281.6 2230.0 1.614 281.4 2231.0 1.616 281.2 2232.0 1.617 281.0 2233.0 1.619 280.8 2234.0 1.620 280.6 2235.0 1.622 280.4 2236.0 1.623 280.2 2237.0 1.625 280.0 2238.0 1.626 279.7 2239.0 1.627 279.5 2240.0 1.628 279.3 2241.0 1.629 279.1 2242.0 1.631 278.9 2243.0 1.632 278.7 2244.0 1.632 278.5 2245.0 1.633 278.3 2246.0 1.634 278.1 2247.0 1.635 277.9 2248.0 1.636 277.7 2249.0 1.636 277.5 2250.0 1.637 277.3 2251.0 1.637 277.1 2252.0 1.638 276.9 2253.0 1.638 276.7 2254.0 1.638 276.5 2255.0 1.639 276.3 2256.0 1.639 276.1 2257.0 1.639 275.8 2258.0 1.639 275.6 2259.0 1.639 275.4 2260.0 1.639 275.2 2261.0 1.639 275.0 2262.0 1.639 274.8 2263.0 1.638 274.6 2264.0 1.638 274.4 2265.0 1.637 274.2 2266.0 1.637 274.0 2267.0 1.636 273.8 2268.0 1.636 273.6 2269.0 1.635 273.4 2270.0 1.634 273.2 2271.0 1.633 273.0 2272.0 1.632 272.8 2273.0 1.631 272.6 2274.0 1.630 272.4 2275.0 1.629 272.2 2276.0 1.628 272.0 2277.0 1.626 271.7 2278.0 1.625 271.5 2279.0 1.624 271.3 2280.0 1.622 271.1 2281.0 1.620 270.9 2282.0 1.619 270.7 2283.0 1.617 270.5 2284.0 1.615 270.3 2285.0 1.613 270.1 2286.0 1.611 269.9 2287.0 1.609 269.7 2288.0 1.607 269.4 2289.0 1.604 269.2 2290.0 1.602 269.0 2291.0 1.599 268.8 2292.0 1.597 268.6 2293.0 1.594 268.4 2294.0 1.591 268.2 2295.0 1.589 267.9 2296.0 1.586 267.7 2297.0 1.583 267.5 2298.0 1.580 267.3 2299.0 1.576 267.1 2300.0 1.573 266.8 2301.0 1.570 266.6 2302.0 1.566 266.4 2303.0 1.563 266.2 2304.0 1.559 266.0 2305.0 1.555 265.7 2306.0 1.551 265.5 2307.0 1.548 265.3 2308.0 1.543 265.0 2309.0 1.539 264.8 2310.0 1.535 264.6 2311.0 1.531 264.3 2312.0 1.526 264.1 2313.0 1.522 263.9 2314.0 1.517 263.6 2315.0 1.513 263.4 2316.0 1.508 263.2 2317.0 1.503 262.9 2318.0 1.498 262.7 2319.0 1.493 262.4 2320.0 1.487 262.2 2321.0 1.482 261.9 2322.0 1.477 261.7 2323.0 1.471 261.4 2324.0 1.465 261.2 2325.0 1.460 260.9 2326.0 1.454 260.7 2327.0 1.448 260.4 2328.0 1.442 260.1 2329.0 1.436 259.9 2330.0 1.429 259.6 2331.0 1.423 259.3 2332.0 1.417 259.1 2333.0 1.410 258.8 2334.0 1.403 258.5 2335.0 1.396 258.2 2336.0 1.389 258.0 2337.0 1.382 257.7 2338.0 1.375 257.4 2339.0 1.368 257.1 2340.0 1.361 256.8 2341.0 1.353 256.5 2342.0 1.345 256.2 2343.0 1.338 255.9 2344.0 1.330 255.6 2345.0 1.322 255.3 2346.0 1.314 255.0 2347.0 1.306 254.6 2348.0 1.298 254.3 2349.0 1.289 254.0 2350.0 1.281 253.7 2351.0 1.272 253.3 2352.0 1.263 253.0 2353.0 1.254 252.6 2354.0 1.245 252.3 2355.0 1.236 251.9