| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:14:18 |
| WDS: | AG257 | WDS ID/Discoverer |
| P: | 676.240 | Orbital period (years) |
| a: | 2.50711 | Semi-major axis (arcseconds) |
| i: | 75.379 | Inclination (degrees) |
| Ω: | 46.399 | Longitude of ascending node (degrees) |
| T: | 1836.388 | Epoch of periastron passage (year) |
| e: | 0.62797 | Eccentricity |
| ω: | 272.461 | Longitude of periastron (degrees) |
| Start-Year: | 1687.0 | Year |
| End-Year: | 2363.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203113.51+051308.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20312+0513 | WDS designation |
| Discoverer Code: | AG257 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.49 | Magnitude of the primary |
| V2: | 9.77 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | 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 1.607 76.6 ------------------------- 1687.0 2.006 208.3 1688.0 2.009 208.5 1689.0 2.012 208.7 1690.0 2.016 208.8 1691.0 2.019 209.0 1692.0 2.021 209.2 1693.0 2.024 209.3 1694.0 2.027 209.5 1695.0 2.030 209.6 1696.0 2.032 209.8 1697.0 2.035 210.0 1698.0 2.037 210.1 1699.0 2.040 210.3 1700.0 2.042 210.4 1701.0 2.044 210.6 1702.0 2.046 210.7 1703.0 2.048 210.9 1704.0 2.050 211.1 1705.0 2.052 211.2 1706.0 2.053 211.4 1707.0 2.055 211.5 1708.0 2.057 211.7 1709.0 2.058 211.8 1710.0 2.059 212.0 1711.0 2.060 212.1 1712.0 2.061 212.3 1713.0 2.062 212.5 1714.0 2.063 212.6 1715.0 2.064 212.8 1716.0 2.065 212.9 1717.0 2.065 213.1 1718.0 2.065 213.2 1719.0 2.066 213.4 1720.0 2.066 213.5 1721.0 2.066 213.7 1722.0 2.066 213.8 1723.0 2.065 214.0 1724.0 2.065 214.2 1725.0 2.065 214.3 1726.0 2.064 214.5 1727.0 2.063 214.6 1728.0 2.062 214.8 1729.0 2.061 214.9 1730.0 2.060 215.1 1731.0 2.059 215.2 1732.0 2.057 215.4 1733.0 2.055 215.5 1734.0 2.053 215.7 1735.0 2.051 215.9 1736.0 2.049 216.0 1737.0 2.047 216.2 1738.0 2.045 216.3 1739.0 2.042 216.5 1740.0 2.039 216.6 1741.0 2.036 216.8 1742.0 2.033 217.0 1743.0 2.029 217.1 1744.0 2.026 217.3 1745.0 2.022 217.4 1746.0 2.018 217.6 1747.0 2.014 217.8 1748.0 2.010 217.9 1749.0 2.005 218.1 1750.0 2.000 218.2 1751.0 1.995 218.4 1752.0 1.990 218.6 1753.0 1.985 218.7 1754.0 1.979 218.9 1755.0 1.973 219.1 1756.0 1.967 219.3 1757.0 1.961 219.4 1758.0 1.954 219.6 1759.0 1.947 219.8 1760.0 1.940 219.9 1761.0 1.933 220.1 1762.0 1.925 220.3 1763.0 1.917 220.5 1764.0 1.909 220.6 1765.0 1.901 220.8 1766.0 1.892 221.0 1767.0 1.883 221.2 1768.0 1.873 221.4 1769.0 1.864 221.6 1770.0 1.854 221.8 1771.0 1.843 222.0 1772.0 1.833 222.1 1773.0 1.822 222.3 1774.0 1.810 222.5 1775.0 1.799 222.7 1776.0 1.787 223.0 1777.0 1.774 223.2 1778.0 1.761 223.4 1779.0 1.748 223.6 1780.0 1.735 223.8 1781.0 1.721 224.0 1782.0 1.706 224.2 1783.0 1.691 224.5 1784.0 1.676 224.7 1785.0 1.660 224.9 1786.0 1.644 225.2 1787.0 1.628 225.4 1788.0 1.610 225.7 1789.0 1.593 225.9 1790.0 1.575 226.2 1791.0 1.556 226.5 1792.0 1.537 226.7 1793.0 1.517 227.0 1794.0 1.497 227.3 1795.0 1.476 227.6 1796.0 1.455 227.9 1797.0 1.433 228.2 1798.0 1.410 228.6 1799.0 1.387 228.9 1800.0 1.363 229.2 1801.0 1.338 229.6 1802.0 1.313 230.0 1803.0 1.288 230.4 1804.0 1.261 230.8 1805.0 1.234 231.2 1806.0 1.206 231.6 1807.0 1.177 232.1 1808.0 1.148 232.6 1809.0 1.118 233.1 1810.0 1.087 233.6 1811.0 1.056 234.2 1812.0 1.023 234.8 1813.0 0.990 235.5 1814.0 0.957 236.2 1815.0 0.922 236.9 1816.0 0.887 237.7 1817.0 0.851 238.6 1818.0 0.815 239.5 1819.0 0.778 240.6 1820.0 0.740 241.7 1821.0 0.702 243.0 1822.0 0.663 244.4 1823.0 0.624 246.0 1824.0 0.584 247.8 1825.0 0.545 249.8 1826.0 0.505 252.2 1827.0 0.466 255.0 1828.0 0.428 258.3 1829.0 0.390 262.3 1830.0 0.354 267.0 1831.0 0.321 272.8 1832.0 0.291 279.9 1833.0 0.266 288.4 1834.0 0.247 298.5 1835.0 0.237 309.7 1836.0 0.236 321.5 1837.0 0.245 333.0 1838.0 0.262 343.3 1839.0 0.286 352.0 1840.0 0.315 359.4 1841.0 0.348 5.3 1842.0 0.384 10.3 1843.0 0.421 14.4 1844.0 0.459 17.8 1845.0 0.498 20.6 1846.0 0.537 23.1 1847.0 0.577 25.2 1848.0 0.616 27.1 1849.0 0.655 28.7 1850.0 0.694 30.1 1851.0 0.732 31.4 1852.0 0.769 32.6 1853.0 0.806 33.7 1854.0 0.842 34.6 1855.0 0.878 35.5 1856.0 0.912 36.3 1857.0 0.946 37.1 1858.0 0.979 37.8 1859.0 1.012 38.5 1860.0 1.043 39.1 1861.0 1.074 39.7 1862.0 1.104 40.2 1863.0 1.133 40.8 1864.0 1.162 41.3 1865.0 1.189 41.7 1866.0 1.216 42.2 1867.0 1.243 42.6 1868.0 1.268 43.0 1869.0 1.293 43.4 1870.0 1.317 43.8 1871.0 1.340 44.2 1872.0 1.363 44.6 1873.0 1.385 44.9 1874.0 1.406 45.2 1875.0 1.427 45.6 1876.0 1.447 45.9 1877.0 1.466 46.2 1878.0 1.485 46.5 1879.0 1.503 46.8 1880.0 1.521 47.1 1881.0 1.538 47.4 1882.0 1.555 47.6 1883.0 1.571 47.9 1884.0 1.587 48.2 1885.0 1.602 48.4 1886.0 1.616 48.7 1887.0 1.631 48.9 1888.0 1.644 49.2 1889.0 1.657 49.4 1890.0 1.670 49.7 1891.0 1.683 49.9 1892.0 1.695 50.1 1893.0 1.706 50.4 1894.0 1.717 50.6 1895.0 1.728 50.8 1896.0 1.739 51.0 1897.0 1.749 51.2 1898.0 1.758 51.4 1899.0 1.768 51.7 1900.0 1.777 51.9 1901.0 1.785 52.1 1902.0 1.794 52.3 1903.0 1.802 52.5 1904.0 1.809 52.7 1905.0 1.817 52.9 1906.0 1.824 53.1 1907.0 1.831 53.3 1908.0 1.837 53.5 1909.0 1.843 53.7 1910.0 1.849 53.9 1911.0 1.855 54.1 1912.0 1.861 54.2 1913.0 1.866 54.4 1914.0 1.871 54.6 1915.0 1.876 54.8 1916.0 1.880 55.0 1917.0 1.884 55.2 1918.0 1.888 55.4 1919.0 1.892 55.5 1920.0 1.896 55.7 1921.0 1.899 55.9 1922.0 1.902 56.1 1923.0 1.905 56.3 1924.0 1.908 56.5 1925.0 1.910 56.6 1926.0 1.913 56.8 1927.0 1.915 57.0 1928.0 1.917 57.2 1929.0 1.919 57.4 1930.0 1.920 57.5 1931.0 1.922 57.7 1932.0 1.923 57.9 1933.0 1.924 58.1 1934.0 1.925 58.2 1935.0 1.926 58.4 1936.0 1.927 58.6 1937.0 1.927 58.8 1938.0 1.928 59.0 1939.0 1.928 59.1 1940.0 1.928 59.3 1941.0 1.928 59.5 1942.0 1.928 59.7 1943.0 1.927 59.8 1944.0 1.927 60.0 1945.0 1.926 60.2 1946.0 1.925 60.4 1947.0 1.925 60.5 1948.0 1.924 60.7 1949.0 1.922 60.9 1950.0 1.921 61.1 1951.0 1.920 61.3 1952.0 1.918 61.4 1953.0 1.917 61.6 1954.0 1.915 61.8 1955.0 1.913 62.0 1956.0 1.911 62.2 1957.0 1.909 62.3 1958.0 1.907 62.5 1959.0 1.905 62.7 1960.0 1.903 62.9 1961.0 1.900 63.1 1962.0 1.898 63.2 1963.0 1.895 63.4 1964.0 1.892 63.6 1965.0 1.890 63.8 1966.0 1.887 64.0 1967.0 1.884 64.2 1968.0 1.881 64.3 1969.0 1.877 64.5 1970.0 1.874 64.7 1971.0 1.871 64.9 1972.0 1.868 65.1 1973.0 1.864 65.3 1974.0 1.861 65.5 1975.0 1.857 65.7 1976.0 1.853 65.9 1977.0 1.849 66.0 1978.0 1.846 66.2 1979.0 1.842 66.4 1980.0 1.838 66.6 1981.0 1.834 66.8 1982.0 1.830 67.0 1983.0 1.825 67.2 1984.0 1.821 67.4 1985.0 1.817 67.6 1986.0 1.813 67.8 1987.0 1.808 68.0 1988.0 1.804 68.2 1989.0 1.799 68.4 1990.0 1.795 68.6 1991.0 1.790 68.8 1992.0 1.785 69.0 1993.0 1.781 69.2 1994.0 1.776 69.4 1995.0 1.771 69.7 1996.0 1.766 69.9 1997.0 1.761 70.1 1998.0 1.756 70.3 1999.0 1.751 70.5 2000.0 1.746 70.7 2001.0 1.741 70.9 2002.0 1.736 71.1 2003.0 1.731 71.4 2004.0 1.725 71.6 2005.0 1.720 71.8 2006.0 1.715 72.0 2007.0 1.709 72.3 2008.0 1.704 72.5 2009.0 1.698 72.7 2010.0 1.693 72.9 2011.0 1.687 73.2 2012.0 1.682 73.4 2013.0 1.676 73.6 2014.0 1.671 73.9 2015.0 1.665 74.1 2016.0 1.660 74.3 2017.0 1.654 74.6 2018.0 1.648 74.8 2019.0 1.642 75.1 2020.0 1.637 75.3 2021.0 1.631 75.6 2022.0 1.625 75.8 2023.0 1.619 76.1 2024.0 1.613 76.3 2025.0 1.607 76.6 2026.0 1.602 76.8 2027.0 1.596 77.1 2028.0 1.590 77.3 2029.0 1.584 77.6 2030.0 1.578 77.9 2031.0 1.572 78.1 2032.0 1.566 78.4 2033.0 1.560 78.7 2034.0 1.554 78.9 2035.0 1.548 79.2 2036.0 1.542 79.5 2037.0 1.536 79.8 2038.0 1.530 80.0 2039.0 1.524 80.3 2040.0 1.517 80.6 2041.0 1.511 80.9 2042.0 1.505 81.2 2043.0 1.499 81.5 2044.0 1.493 81.8 2045.0 1.487 82.1 2046.0 1.481 82.4 2047.0 1.475 82.7 2048.0 1.469 83.0 2049.0 1.463 83.3 2050.0 1.456 83.6 2051.0 1.450 83.9 2052.0 1.444 84.2 2053.0 1.438 84.5 2054.0 1.432 84.8 2055.0 1.426 85.2 2056.0 1.420 85.5 2057.0 1.414 85.8 2058.0 1.408 86.1 2059.0 1.402 86.5 2060.0 1.396 86.8 2061.0 1.390 87.1 2062.0 1.384 87.5 2063.0 1.378 87.8 2064.0 1.372 88.2 2065.0 1.366 88.5 2066.0 1.360 88.9 2067.0 1.354 89.2 2068.0 1.348 89.6 2069.0 1.342 90.0 2070.0 1.336 90.3 2071.0 1.330 90.7 2072.0 1.325 91.1 2073.0 1.319 91.5 2074.0 1.313 91.8 2075.0 1.307 92.2 2076.0 1.302 92.6 2077.0 1.296 93.0 2078.0 1.290 93.4 2079.0 1.285 93.8 2080.0 1.279 94.2 2081.0 1.273 94.6 2082.0 1.268 95.0 2083.0 1.262 95.4 2084.0 1.257 95.8 2085.0 1.251 96.2 2086.0 1.246 96.7 2087.0 1.241 97.1 2088.0 1.235 97.5 2089.0 1.230 97.9 2090.0 1.225 98.4 2091.0 1.220 98.8 2092.0 1.215 99.3 2093.0 1.209 99.7 2094.0 1.204 100.2 2095.0 1.199 100.6 2096.0 1.194 101.1 2097.0 1.190 101.5 2098.0 1.185 102.0 2099.0 1.180 102.5 2100.0 1.175 102.9 2101.0 1.170 103.4 2102.0 1.166 103.9 2103.0 1.161 104.4 2104.0 1.157 104.9 2105.0 1.152 105.4 2106.0 1.148 105.9 2107.0 1.144 106.4 2108.0 1.139 106.9 2109.0 1.135 107.4 2110.0 1.131 107.9 2111.0 1.127 108.4 2112.0 1.123 108.9 2113.0 1.119 109.5 2114.0 1.115 110.0 2115.0 1.111 110.5 2116.0 1.107 111.1 2117.0 1.104 111.6 2118.0 1.100 112.1 2119.0 1.097 112.7 2120.0 1.093 113.2 2121.0 1.090 113.8 2122.0 1.087 114.3 2123.0 1.084 114.9 2124.0 1.080 115.4 2125.0 1.077 116.0 2126.0 1.074 116.6 2127.0 1.072 117.2 2128.0 1.069 117.7 2129.0 1.066 118.3 2130.0 1.064 118.9 2131.0 1.061 119.5 2132.0 1.059 120.1 2133.0 1.056 120.6 2134.0 1.054 121.2 2135.0 1.052 121.8 2136.0 1.050 122.4 2137.0 1.048 123.0 2138.0 1.046 123.6 2139.0 1.044 124.2 2140.0 1.042 124.8 2141.0 1.041 125.4 2142.0 1.039 126.0 2143.0 1.038 126.6 2144.0 1.037 127.3 2145.0 1.035 127.9 2146.0 1.034 128.5 2147.0 1.033 129.1 2148.0 1.032 129.7 2149.0 1.031 130.3 2150.0 1.031 130.9 2151.0 1.030 131.6 2152.0 1.030 132.2 2153.0 1.029 132.8 2154.0 1.029 133.4 2155.0 1.029 134.0 2156.0 1.028 134.7 2157.0 1.028 135.3 2158.0 1.029 135.9 2159.0 1.029 136.5 2160.0 1.029 137.2 2161.0 1.029 137.8 2162.0 1.030 138.4 2163.0 1.030 139.0 2164.0 1.031 139.6 2165.0 1.032 140.3 2166.0 1.033 140.9 2167.0 1.034 141.5 2168.0 1.035 142.1 2169.0 1.036 142.7 2170.0 1.037 143.3 2171.0 1.039 143.9 2172.0 1.040 144.5 2173.0 1.042 145.2 2174.0 1.043 145.8 2175.0 1.045 146.4 2176.0 1.047 147.0 2177.0 1.049 147.6 2178.0 1.051 148.2 2179.0 1.053 148.7 2180.0 1.055 149.3 2181.0 1.057 149.9 2182.0 1.060 150.5 2183.0 1.062 151.1 2184.0 1.065 151.7 2185.0 1.068 152.3 2186.0 1.070 152.8 2187.0 1.073 153.4 2188.0 1.076 154.0 2189.0 1.079 154.5 2190.0 1.082 155.1 2191.0 1.085 155.7 2192.0 1.089 156.2 2193.0 1.092 156.8 2194.0 1.095 157.3 2195.0 1.099 157.9 2196.0 1.102 158.4 2197.0 1.106 159.0 2198.0 1.110 159.5 2199.0 1.113 160.0 2200.0 1.117 160.5 2201.0 1.121 161.1 2202.0 1.125 161.6 2203.0 1.129 162.1 2204.0 1.133 162.6 2205.0 1.138 163.1 2206.0 1.142 163.6 2207.0 1.146 164.1 2208.0 1.151 164.6 2209.0 1.155 165.1 2210.0 1.160 165.6 2211.0 1.164 166.1 2212.0 1.169 166.6 2213.0 1.174 167.1 2214.0 1.178 167.6 2215.0 1.183 168.0 2216.0 1.188 168.5 2217.0 1.193 169.0 2218.0 1.198 169.4 2219.0 1.203 169.9 2220.0 1.208 170.3 2221.0 1.213 170.8 2222.0 1.218 171.2 2223.0 1.224 171.7 2224.0 1.229 172.1 2225.0 1.234 172.5 2226.0 1.240 173.0 2227.0 1.245 173.4 2228.0 1.250 173.8 2229.0 1.256 174.2 2230.0 1.261 174.6 2231.0 1.267 175.0 2232.0 1.273 175.5 2233.0 1.278 175.9 2234.0 1.284 176.3 2235.0 1.290 176.7 2236.0 1.295 177.1 2237.0 1.301 177.4 2238.0 1.307 177.8 2239.0 1.313 178.2 2240.0 1.319 178.6 2241.0 1.325 179.0 2242.0 1.331 179.3 2243.0 1.337 179.7 2244.0 1.343 180.1 2245.0 1.349 180.4 2246.0 1.355 180.8 2247.0 1.361 181.2 2248.0 1.367 181.5 2249.0 1.373 181.9 2250.0 1.379 182.2 2251.0 1.385 182.6 2252.0 1.391 182.9 2253.0 1.397 183.2 2254.0 1.404 183.6 2255.0 1.410 183.9 2256.0 1.416 184.2 2257.0 1.422 184.6 2258.0 1.428 184.9 2259.0 1.435 185.2 2260.0 1.441 185.5 2261.0 1.447 185.8 2262.0 1.454 186.1 2263.0 1.460 186.5 2264.0 1.466 186.8 2265.0 1.472 187.1 2266.0 1.479 187.4 2267.0 1.485 187.7 2268.0 1.491 188.0 2269.0 1.498 188.3 2270.0 1.504 188.5 2271.0 1.510 188.8 2272.0 1.517 189.1 2273.0 1.523 189.4 2274.0 1.530 189.7 2275.0 1.536 190.0 2276.0 1.542 190.2 2277.0 1.549 190.5 2278.0 1.555 190.8 2279.0 1.561 191.1 2280.0 1.568 191.3 2281.0 1.574 191.6 2282.0 1.580 191.9 2283.0 1.587 192.1 2284.0 1.593 192.4 2285.0 1.599 192.6 2286.0 1.605 192.9 2287.0 1.612 193.2 2288.0 1.618 193.4 2289.0 1.624 193.7 2290.0 1.631 193.9 2291.0 1.637 194.2 2292.0 1.643 194.4 2293.0 1.649 194.6 2294.0 1.655 194.9 2295.0 1.662 195.1 2296.0 1.668 195.4 2297.0 1.674 195.6 2298.0 1.680 195.8 2299.0 1.686 196.1 2300.0 1.692 196.3 2301.0 1.698 196.5 2302.0 1.704 196.7 2303.0 1.710 197.0 2304.0 1.716 197.2 2305.0 1.722 197.4 2306.0 1.728 197.6 2307.0 1.734 197.9 2308.0 1.740 198.1 2309.0 1.746 198.3 2310.0 1.752 198.5 2311.0 1.758 198.7 2312.0 1.764 198.9 2313.0 1.769 199.1 2314.0 1.775 199.4 2315.0 1.781 199.6 2316.0 1.787 199.8 2317.0 1.792 200.0 2318.0 1.798 200.2 2319.0 1.804 200.4 2320.0 1.809 200.6 2321.0 1.815 200.8 2322.0 1.820 201.0 2323.0 1.826 201.2 2324.0 1.831 201.4 2325.0 1.836 201.6 2326.0 1.842 201.8 2327.0 1.847 202.0 2328.0 1.852 202.1 2329.0 1.858 202.3 2330.0 1.863 202.5 2331.0 1.868 202.7 2332.0 1.873 202.9 2333.0 1.878 203.1 2334.0 1.883 203.3 2335.0 1.888 203.5 2336.0 1.893 203.6 2337.0 1.898 203.8 2338.0 1.903 204.0 2339.0 1.907 204.2 2340.0 1.912 204.4 2341.0 1.917 204.6 2342.0 1.922 204.7 2343.0 1.926 204.9 2344.0 1.931 205.1 2345.0 1.935 205.3 2346.0 1.940 205.4 2347.0 1.944 205.6 2348.0 1.948 205.8 2349.0 1.952 206.0 2350.0 1.957 206.1 2351.0 1.961 206.3 2352.0 1.965 206.5 2353.0 1.969 206.6 2354.0 1.973 206.8 2355.0 1.977 207.0 2356.0 1.980 207.1 2357.0 1.984 207.3 2358.0 1.988 207.5 2359.0 1.992 207.6 2360.0 1.995 207.8 2361.0 1.999 208.0 2362.0 2.002 208.1