| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:14:30 |
| WDS: | J1AB | WDS ID/Discoverer |
| P: | 528.391 | Orbital period (years) |
| a: | 1.5446 | Semi-major axis (arcseconds) |
| i: | 58.5 | Inclination (degrees) |
| Ω: | 38.8 | Longitude of ascending node (degrees) |
| T: | 2396.217 | Epoch of periastron passage (year) |
| e: | 0.745 | Eccentricity |
| ω: | 228.4 | Longitude of periastron (degrees) |
| Start-Year: | 1761.0 | Year |
| End-Year: | 2289.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203252.76+114437.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20329+1142 | WDS designation |
| Discoverer Code: | J1AB | Discover designation and components |
| ADS number: | 13983 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.04 | Magnitude of the primary |
| V2: | 10.57 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 2.137 56.3 ------------------------- 1761.0 1.101 105.3 1762.0 1.093 105.7 1763.0 1.084 106.2 1764.0 1.076 106.7 1765.0 1.068 107.2 1766.0 1.060 107.7 1767.0 1.052 108.2 1768.0 1.044 108.7 1769.0 1.035 109.2 1770.0 1.027 109.8 1771.0 1.019 110.3 1772.0 1.011 110.9 1773.0 1.003 111.4 1774.0 0.995 112.0 1775.0 0.987 112.6 1776.0 0.979 113.1 1777.0 0.971 113.7 1778.0 0.963 114.3 1779.0 0.955 115.0 1780.0 0.947 115.6 1781.0 0.939 116.2 1782.0 0.931 116.9 1783.0 0.923 117.5 1784.0 0.915 118.2 1785.0 0.907 118.9 1786.0 0.899 119.6 1787.0 0.892 120.3 1788.0 0.884 121.0 1789.0 0.876 121.7 1790.0 0.869 122.5 1791.0 0.861 123.2 1792.0 0.854 124.0 1793.0 0.846 124.8 1794.0 0.839 125.6 1795.0 0.831 126.4 1796.0 0.824 127.2 1797.0 0.817 128.1 1798.0 0.810 128.9 1799.0 0.803 129.8 1800.0 0.796 130.7 1801.0 0.789 131.6 1802.0 0.782 132.5 1803.0 0.775 133.4 1804.0 0.769 134.4 1805.0 0.762 135.4 1806.0 0.755 136.3 1807.0 0.749 137.4 1808.0 0.743 138.4 1809.0 0.737 139.4 1810.0 0.730 140.5 1811.0 0.724 141.5 1812.0 0.719 142.6 1813.0 0.713 143.7 1814.0 0.707 144.8 1815.0 0.702 146.0 1816.0 0.696 147.1 1817.0 0.691 148.3 1818.0 0.686 149.5 1819.0 0.681 150.7 1820.0 0.676 152.0 1821.0 0.671 153.2 1822.0 0.666 154.5 1823.0 0.661 155.8 1824.0 0.657 157.1 1825.0 0.653 158.4 1826.0 0.648 159.7 1827.0 0.644 161.1 1828.0 0.640 162.5 1829.0 0.636 163.9 1830.0 0.633 165.3 1831.0 0.629 166.7 1832.0 0.625 168.1 1833.0 0.622 169.6 1834.0 0.618 171.1 1835.0 0.615 172.5 1836.0 0.612 174.1 1837.0 0.608 175.6 1838.0 0.605 177.1 1839.0 0.602 178.7 1840.0 0.598 180.2 1841.0 0.595 181.8 1842.0 0.592 183.4 1843.0 0.588 185.1 1844.0 0.584 186.7 1845.0 0.581 188.4 1846.0 0.576 190.1 1847.0 0.572 191.8 1848.0 0.568 193.5 1849.0 0.563 195.3 1850.0 0.557 197.1 1851.0 0.551 199.0 1852.0 0.545 200.9 1853.0 0.538 202.8 1854.0 0.530 204.8 1855.0 0.521 206.8 1856.0 0.512 209.0 1857.0 0.501 211.2 1858.0 0.489 213.5 1859.0 0.476 215.9 1860.0 0.462 218.5 1861.0 0.446 221.2 1862.0 0.428 224.2 1863.0 0.409 227.4 1864.0 0.389 231.0 1865.0 0.368 234.9 1866.0 0.345 239.4 1867.0 0.322 244.5 1868.0 0.300 250.4 1869.0 0.278 257.2 1870.0 0.259 265.1 1871.0 0.243 274.1 1872.0 0.232 284.2 1873.0 0.227 295.1 1874.0 0.229 306.0 1875.0 0.238 316.5 1876.0 0.252 326.0 1877.0 0.272 334.2 1878.0 0.295 341.3 1879.0 0.320 347.4 1880.0 0.348 352.5 1881.0 0.376 356.8 1882.0 0.406 0.5 1883.0 0.435 3.7 1884.0 0.465 6.5 1885.0 0.495 9.0 1886.0 0.524 11.2 1887.0 0.554 13.1 1888.0 0.583 14.9 1889.0 0.611 16.5 1890.0 0.639 17.9 1891.0 0.667 19.2 1892.0 0.694 20.5 1893.0 0.721 21.6 1894.0 0.747 22.6 1895.0 0.773 23.6 1896.0 0.798 24.5 1897.0 0.823 25.4 1898.0 0.848 26.2 1899.0 0.872 27.0 1900.0 0.895 27.7 1901.0 0.918 28.4 1902.0 0.941 29.1 1903.0 0.963 29.7 1904.0 0.985 30.3 1905.0 1.007 30.8 1906.0 1.028 31.4 1907.0 1.048 31.9 1908.0 1.069 32.4 1909.0 1.089 32.9 1910.0 1.108 33.4 1911.0 1.128 33.8 1912.0 1.147 34.3 1913.0 1.165 34.7 1914.0 1.184 35.1 1915.0 1.202 35.5 1916.0 1.220 35.9 1917.0 1.237 36.3 1918.0 1.254 36.6 1919.0 1.271 37.0 1920.0 1.288 37.3 1921.0 1.304 37.7 1922.0 1.320 38.0 1923.0 1.336 38.3 1924.0 1.352 38.6 1925.0 1.367 38.9 1926.0 1.382 39.2 1927.0 1.397 39.5 1928.0 1.412 39.8 1929.0 1.426 40.1 1930.0 1.440 40.4 1931.0 1.454 40.6 1932.0 1.468 40.9 1933.0 1.482 41.2 1934.0 1.495 41.4 1935.0 1.508 41.7 1936.0 1.521 41.9 1937.0 1.534 42.2 1938.0 1.546 42.4 1939.0 1.559 42.6 1940.0 1.571 42.9 1941.0 1.583 43.1 1942.0 1.595 43.3 1943.0 1.606 43.6 1944.0 1.618 43.8 1945.0 1.629 44.0 1946.0 1.640 44.2 1947.0 1.651 44.4 1948.0 1.662 44.6 1949.0 1.673 44.8 1950.0 1.683 45.0 1951.0 1.694 45.2 1952.0 1.704 45.4 1953.0 1.714 45.6 1954.0 1.724 45.8 1955.0 1.733 46.0 1956.0 1.743 46.2 1957.0 1.753 46.4 1958.0 1.762 46.5 1959.0 1.771 46.7 1960.0 1.780 46.9 1961.0 1.789 47.1 1962.0 1.798 47.3 1963.0 1.806 47.4 1964.0 1.815 47.6 1965.0 1.823 47.8 1966.0 1.832 47.9 1967.0 1.840 48.1 1968.0 1.848 48.3 1969.0 1.856 48.4 1970.0 1.863 48.6 1971.0 1.871 48.8 1972.0 1.878 48.9 1973.0 1.886 49.1 1974.0 1.893 49.3 1975.0 1.900 49.4 1976.0 1.907 49.6 1977.0 1.914 49.7 1978.0 1.921 49.9 1979.0 1.928 50.0 1980.0 1.935 50.2 1981.0 1.941 50.3 1982.0 1.948 50.5 1983.0 1.954 50.6 1984.0 1.960 50.8 1985.0 1.966 50.9 1986.0 1.972 51.1 1987.0 1.978 51.2 1988.0 1.984 51.4 1989.0 1.990 51.5 1990.0 1.995 51.6 1991.0 2.001 51.8 1992.0 2.006 51.9 1993.0 2.012 52.1 1994.0 2.017 52.2 1995.0 2.022 52.3 1996.0 2.027 52.5 1997.0 2.032 52.6 1998.0 2.037 52.8 1999.0 2.042 52.9 2000.0 2.046 53.0 2001.0 2.051 53.2 2002.0 2.055 53.3 2003.0 2.060 53.4 2004.0 2.064 53.6 2005.0 2.068 53.7 2006.0 2.073 53.8 2007.0 2.077 54.0 2008.0 2.081 54.1 2009.0 2.085 54.2 2010.0 2.088 54.4 2011.0 2.092 54.5 2012.0 2.096 54.6 2013.0 2.099 54.7 2014.0 2.103 54.9 2015.0 2.106 55.0 2016.0 2.110 55.1 2017.0 2.113 55.3 2018.0 2.116 55.4 2019.0 2.119 55.5 2020.0 2.122 55.6 2021.0 2.125 55.8 2022.0 2.128 55.9 2023.0 2.131 56.0 2024.0 2.134 56.1 2025.0 2.137 56.3 2026.0 2.139 56.4 2027.0 2.142 56.5 2028.0 2.144 56.6 2029.0 2.147 56.8 2030.0 2.149 56.9 2031.0 2.151 57.0 2032.0 2.153 57.1 2033.0 2.156 57.2 2034.0 2.158 57.4 2035.0 2.160 57.5 2036.0 2.161 57.6 2037.0 2.163 57.7 2038.0 2.165 57.9 2039.0 2.167 58.0 2040.0 2.168 58.1 2041.0 2.170 58.2 2042.0 2.172 58.3 2043.0 2.173 58.5 2044.0 2.174 58.6 2045.0 2.176 58.7 2046.0 2.177 58.8 2047.0 2.178 58.9 2048.0 2.179 59.1 2049.0 2.180 59.2 2050.0 2.181 59.3 2051.0 2.182 59.4 2052.0 2.183 59.5 2053.0 2.184 59.6 2054.0 2.185 59.8 2055.0 2.185 59.9 2056.0 2.186 60.0 2057.0 2.187 60.1 2058.0 2.187 60.2 2059.0 2.188 60.4 2060.0 2.188 60.5 2061.0 2.188 60.6 2062.0 2.189 60.7 2063.0 2.189 60.8 2064.0 2.189 60.9 2065.0 2.189 61.1 2066.0 2.189 61.2 2067.0 2.189 61.3 2068.0 2.189 61.4 2069.0 2.189 61.5 2070.0 2.189 61.7 2071.0 2.188 61.8 2072.0 2.188 61.9 2073.0 2.188 62.0 2074.0 2.187 62.1 2075.0 2.187 62.3 2076.0 2.186 62.4 2077.0 2.186 62.5 2078.0 2.185 62.6 2079.0 2.185 62.7 2080.0 2.184 62.8 2081.0 2.183 63.0 2082.0 2.182 63.1 2083.0 2.181 63.2 2084.0 2.180 63.3 2085.0 2.179 63.4 2086.0 2.178 63.6 2087.0 2.177 63.7 2088.0 2.176 63.8 2089.0 2.175 63.9 2090.0 2.174 64.0 2091.0 2.172 64.2 2092.0 2.171 64.3 2093.0 2.169 64.4 2094.0 2.168 64.5 2095.0 2.167 64.6 2096.0 2.165 64.8 2097.0 2.163 64.9 2098.0 2.162 65.0 2099.0 2.160 65.1 2100.0 2.158 65.2 2101.0 2.156 65.4 2102.0 2.154 65.5 2103.0 2.153 65.6 2104.0 2.151 65.7 2105.0 2.149 65.9 2106.0 2.147 66.0 2107.0 2.144 66.1 2108.0 2.142 66.2 2109.0 2.140 66.3 2110.0 2.138 66.5 2111.0 2.136 66.6 2112.0 2.133 66.7 2113.0 2.131 66.8 2114.0 2.128 67.0 2115.0 2.126 67.1 2116.0 2.123 67.2 2117.0 2.121 67.3 2118.0 2.118 67.5 2119.0 2.115 67.6 2120.0 2.113 67.7 2121.0 2.110 67.9 2122.0 2.107 68.0 2123.0 2.104 68.1 2124.0 2.101 68.2 2125.0 2.098 68.4 2126.0 2.095 68.5 2127.0 2.092 68.6 2128.0 2.089 68.8 2129.0 2.086 68.9 2130.0 2.083 69.0 2131.0 2.080 69.1 2132.0 2.076 69.3 2133.0 2.073 69.4 2134.0 2.070 69.5 2135.0 2.066 69.7 2136.0 2.063 69.8 2137.0 2.059 69.9 2138.0 2.056 70.1 2139.0 2.052 70.2 2140.0 2.049 70.3 2141.0 2.045 70.5 2142.0 2.041 70.6 2143.0 2.038 70.7 2144.0 2.034 70.9 2145.0 2.030 71.0 2146.0 2.026 71.2 2147.0 2.022 71.3 2148.0 2.018 71.4 2149.0 2.014 71.6 2150.0 2.010 71.7 2151.0 2.006 71.9 2152.0 2.002 72.0 2153.0 1.998 72.1 2154.0 1.994 72.3 2155.0 1.989 72.4 2156.0 1.985 72.6 2157.0 1.981 72.7 2158.0 1.976 72.9 2159.0 1.972 73.0 2160.0 1.967 73.1 2161.0 1.963 73.3 2162.0 1.958 73.4 2163.0 1.954 73.6 2164.0 1.949 73.7 2165.0 1.945 73.9 2166.0 1.940 74.0 2167.0 1.935 74.2 2168.0 1.930 74.3 2169.0 1.926 74.5 2170.0 1.921 74.6 2171.0 1.916 74.8 2172.0 1.911 75.0 2173.0 1.906 75.1 2174.0 1.901 75.3 2175.0 1.896 75.4 2176.0 1.891 75.6 2177.0 1.886 75.7 2178.0 1.880 75.9 2179.0 1.875 76.1 2180.0 1.870 76.2 2181.0 1.865 76.4 2182.0 1.859 76.5 2183.0 1.854 76.7 2184.0 1.849 76.9 2185.0 1.843 77.0 2186.0 1.838 77.2 2187.0 1.832 77.4 2188.0 1.827 77.5 2189.0 1.821 77.7 2190.0 1.815 77.9 2191.0 1.810 78.1 2192.0 1.804 78.2 2193.0 1.798 78.4 2194.0 1.792 78.6 2195.0 1.787 78.8 2196.0 1.781 78.9 2197.0 1.775 79.1 2198.0 1.769 79.3 2199.0 1.763 79.5 2200.0 1.757 79.7 2201.0 1.751 79.9 2202.0 1.745 80.0 2203.0 1.739 80.2 2204.0 1.733 80.4 2205.0 1.726 80.6 2206.0 1.720 80.8 2207.0 1.714 81.0 2208.0 1.708 81.2 2209.0 1.701 81.4 2210.0 1.695 81.6 2211.0 1.689 81.8 2212.0 1.682 82.0 2213.0 1.676 82.2 2214.0 1.669 82.4 2215.0 1.663 82.6 2216.0 1.656 82.8 2217.0 1.650 83.0 2218.0 1.643 83.2 2219.0 1.636 83.4 2220.0 1.630 83.6 2221.0 1.623 83.8 2222.0 1.616 84.0 2223.0 1.609 84.3 2224.0 1.603 84.5 2225.0 1.596 84.7 2226.0 1.589 84.9 2227.0 1.582 85.2 2228.0 1.575 85.4 2229.0 1.568 85.6 2230.0 1.561 85.8 2231.0 1.554 86.1 2232.0 1.547 86.3 2233.0 1.540 86.6 2234.0 1.533 86.8 2235.0 1.526 87.0 2236.0 1.518 87.3 2237.0 1.511 87.5 2238.0 1.504 87.8 2239.0 1.497 88.0 2240.0 1.489 88.3 2241.0 1.482 88.5 2242.0 1.475 88.8 2243.0 1.467 89.1 2244.0 1.460 89.3 2245.0 1.452 89.6 2246.0 1.445 89.9 2247.0 1.437 90.1 2248.0 1.430 90.4 2249.0 1.422 90.7 2250.0 1.415 91.0 2251.0 1.407 91.3 2252.0 1.400 91.5 2253.0 1.392 91.8 2254.0 1.384 92.1 2255.0 1.377 92.4 2256.0 1.369 92.7 2257.0 1.361 93.0 2258.0 1.353 93.3 2259.0 1.346 93.6 2260.0 1.338 94.0 2261.0 1.330 94.3 2262.0 1.322 94.6 2263.0 1.314 94.9 2264.0 1.306 95.3 2265.0 1.298 95.6 2266.0 1.290 95.9 2267.0 1.282 96.3 2268.0 1.274 96.6 2269.0 1.266 97.0 2270.0 1.258 97.3 2271.0 1.250 97.7 2272.0 1.242 98.0 2273.0 1.234 98.4 2274.0 1.226 98.8 2275.0 1.218 99.2 2276.0 1.210 99.6 2277.0 1.202 99.9 2278.0 1.194 100.3 2279.0 1.186 100.7 2280.0 1.178 101.1 2281.0 1.169 101.6 2282.0 1.161 102.0 2283.0 1.153 102.4 2284.0 1.145 102.8 2285.0 1.137 103.3 2286.0 1.129 103.7 2287.0 1.120 104.2 2288.0 1.112 104.6