| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:37:19 |
| WDS: | A1581 | WDS ID/Discoverer |
| P: | 509.869 | Orbital period (years) |
| a: | 2.32224 | Semi-major axis (arcseconds) |
| i: | 84.39 | Inclination (degrees) |
| Ω: | 124.095 | Longitude of ascending node (degrees) |
| T: | 2068.837 | Epoch of periastron passage (year) |
| e: | 0.55328 | Eccentricity |
| ω: | 243.463 | Longitude of periastron (degrees) |
| Start-Year: | 1771.0 | Year |
| End-Year: | 2279.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 080306.55-062451.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08031-0625 | WDS designation |
| Discoverer Code: | A1581 | Discover designation and components |
| ADS number: | 6547 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 39383 | Hipparcos catalog number |
| V1: | 10.02 | Magnitude of the primary |
| V2: | 10.29 | 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 1.445 301.1 ------------------------- 1771.0 2.151 131.4 1772.0 2.140 131.5 1773.0 2.130 131.6 1774.0 2.120 131.7 1775.0 2.109 131.7 1776.0 2.099 131.8 1777.0 2.088 131.9 1778.0 2.077 131.9 1779.0 2.067 132.0 1780.0 2.056 132.1 1781.0 2.045 132.2 1782.0 2.034 132.2 1783.0 2.023 132.3 1784.0 2.011 132.4 1785.0 2.000 132.5 1786.0 1.989 132.5 1787.0 1.977 132.6 1788.0 1.966 132.7 1789.0 1.954 132.8 1790.0 1.942 132.9 1791.0 1.931 132.9 1792.0 1.919 133.0 1793.0 1.907 133.1 1794.0 1.895 133.2 1795.0 1.883 133.3 1796.0 1.871 133.4 1797.0 1.859 133.5 1798.0 1.846 133.5 1799.0 1.834 133.6 1800.0 1.822 133.7 1801.0 1.809 133.8 1802.0 1.797 133.9 1803.0 1.784 134.0 1804.0 1.771 134.1 1805.0 1.759 134.2 1806.0 1.746 134.3 1807.0 1.733 134.4 1808.0 1.720 134.5 1809.0 1.707 134.6 1810.0 1.694 134.7 1811.0 1.681 134.8 1812.0 1.667 135.0 1813.0 1.654 135.1 1814.0 1.641 135.2 1815.0 1.627 135.3 1816.0 1.614 135.4 1817.0 1.601 135.5 1818.0 1.587 135.7 1819.0 1.573 135.8 1820.0 1.560 135.9 1821.0 1.546 136.0 1822.0 1.532 136.2 1823.0 1.518 136.3 1824.0 1.504 136.4 1825.0 1.491 136.6 1826.0 1.477 136.7 1827.0 1.462 136.9 1828.0 1.448 137.0 1829.0 1.434 137.2 1830.0 1.420 137.3 1831.0 1.406 137.5 1832.0 1.392 137.6 1833.0 1.377 137.8 1834.0 1.363 137.9 1835.0 1.348 138.1 1836.0 1.334 138.3 1837.0 1.319 138.5 1838.0 1.305 138.6 1839.0 1.290 138.8 1840.0 1.276 139.0 1841.0 1.261 139.2 1842.0 1.246 139.4 1843.0 1.232 139.6 1844.0 1.217 139.8 1845.0 1.202 140.0 1846.0 1.187 140.2 1847.0 1.172 140.5 1848.0 1.157 140.7 1849.0 1.142 140.9 1850.0 1.127 141.2 1851.0 1.112 141.4 1852.0 1.097 141.7 1853.0 1.082 141.9 1854.0 1.067 142.2 1855.0 1.052 142.5 1856.0 1.037 142.8 1857.0 1.022 143.1 1858.0 1.007 143.4 1859.0 0.992 143.7 1860.0 0.976 144.0 1861.0 0.961 144.3 1862.0 0.946 144.7 1863.0 0.931 145.0 1864.0 0.916 145.4 1865.0 0.900 145.8 1866.0 0.885 146.1 1867.0 0.870 146.5 1868.0 0.855 147.0 1869.0 0.840 147.4 1870.0 0.824 147.8 1871.0 0.809 148.3 1872.0 0.794 148.8 1873.0 0.779 149.3 1874.0 0.764 149.8 1875.0 0.749 150.4 1876.0 0.734 150.9 1877.0 0.719 151.5 1878.0 0.704 152.1 1879.0 0.689 152.8 1880.0 0.674 153.4 1881.0 0.659 154.1 1882.0 0.645 154.9 1883.0 0.630 155.6 1884.0 0.616 156.4 1885.0 0.601 157.3 1886.0 0.587 158.1 1887.0 0.573 159.1 1888.0 0.558 160.0 1889.0 0.544 161.0 1890.0 0.531 162.1 1891.0 0.517 163.2 1892.0 0.504 164.4 1893.0 0.490 165.7 1894.0 0.477 167.0 1895.0 0.465 168.4 1896.0 0.452 169.9 1897.0 0.440 171.5 1898.0 0.428 173.1 1899.0 0.416 174.8 1900.0 0.405 176.7 1901.0 0.395 178.6 1902.0 0.384 180.7 1903.0 0.375 182.8 1904.0 0.365 185.1 1905.0 0.357 187.5 1906.0 0.349 190.0 1907.0 0.341 192.6 1908.0 0.335 195.3 1909.0 0.329 198.1 1910.0 0.324 201.0 1911.0 0.319 204.0 1912.0 0.316 207.1 1913.0 0.314 210.2 1914.0 0.312 213.4 1915.0 0.312 216.6 1916.0 0.312 219.8 1917.0 0.313 222.9 1918.0 0.316 226.1 1919.0 0.319 229.2 1920.0 0.323 232.2 1921.0 0.328 235.1 1922.0 0.333 238.0 1923.0 0.340 240.7 1924.0 0.347 243.3 1925.0 0.355 245.8 1926.0 0.364 248.2 1927.0 0.373 250.5 1928.0 0.382 252.7 1929.0 0.392 254.8 1930.0 0.403 256.7 1931.0 0.414 258.6 1932.0 0.425 260.4 1933.0 0.437 262.0 1934.0 0.449 263.6 1935.0 0.462 265.1 1936.0 0.474 266.5 1937.0 0.487 267.9 1938.0 0.500 269.1 1939.0 0.514 270.3 1940.0 0.527 271.5 1941.0 0.541 272.6 1942.0 0.555 273.6 1943.0 0.568 274.6 1944.0 0.582 275.5 1945.0 0.597 276.4 1946.0 0.611 277.3 1947.0 0.625 278.1 1948.0 0.639 278.8 1949.0 0.654 279.6 1950.0 0.668 280.3 1951.0 0.683 281.0 1952.0 0.697 281.6 1953.0 0.712 282.3 1954.0 0.727 282.9 1955.0 0.741 283.4 1956.0 0.756 284.0 1957.0 0.770 284.5 1958.0 0.785 285.0 1959.0 0.800 285.5 1960.0 0.814 286.0 1961.0 0.829 286.5 1962.0 0.843 286.9 1963.0 0.858 287.3 1964.0 0.872 287.7 1965.0 0.887 288.1 1966.0 0.901 288.5 1967.0 0.915 288.9 1968.0 0.930 289.3 1969.0 0.944 289.6 1970.0 0.958 290.0 1971.0 0.972 290.3 1972.0 0.986 290.6 1973.0 1.000 290.9 1974.0 1.013 291.2 1975.0 1.027 291.5 1976.0 1.041 291.8 1977.0 1.054 292.1 1978.0 1.068 292.4 1979.0 1.081 292.7 1980.0 1.094 292.9 1981.0 1.107 293.2 1982.0 1.120 293.4 1983.0 1.133 293.7 1984.0 1.145 293.9 1985.0 1.158 294.1 1986.0 1.170 294.4 1987.0 1.182 294.6 1988.0 1.194 294.8 1989.0 1.206 295.0 1990.0 1.218 295.2 1991.0 1.229 295.5 1992.0 1.240 295.7 1993.0 1.251 295.9 1994.0 1.262 296.1 1995.0 1.273 296.2 1996.0 1.283 296.4 1997.0 1.293 296.6 1998.0 1.303 296.8 1999.0 1.313 297.0 2000.0 1.323 297.2 2001.0 1.332 297.3 2002.0 1.341 297.5 2003.0 1.349 297.7 2004.0 1.358 297.9 2005.0 1.366 298.0 2006.0 1.374 298.2 2007.0 1.381 298.4 2008.0 1.388 298.5 2009.0 1.395 298.7 2010.0 1.401 298.8 2011.0 1.407 299.0 2012.0 1.413 299.1 2013.0 1.418 299.3 2014.0 1.423 299.5 2015.0 1.428 299.6 2016.0 1.432 299.8 2017.0 1.435 299.9 2018.0 1.438 300.1 2019.0 1.441 300.2 2020.0 1.443 300.4 2021.0 1.444 300.5 2022.0 1.446 300.7 2023.0 1.446 300.8 2024.0 1.446 301.0 2025.0 1.445 301.1 2026.0 1.444 301.2 2027.0 1.442 301.4 2028.0 1.439 301.5 2029.0 1.436 301.7 2030.0 1.432 301.8 2031.0 1.427 302.0 2032.0 1.422 302.2 2033.0 1.416 302.3 2034.0 1.409 302.5 2035.0 1.401 302.6 2036.0 1.392 302.8 2037.0 1.382 302.9 2038.0 1.372 303.1 2039.0 1.360 303.3 2040.0 1.347 303.4 2041.0 1.334 303.6 2042.0 1.319 303.8 2043.0 1.304 304.0 2044.0 1.287 304.2 2045.0 1.269 304.3 2046.0 1.250 304.5 2047.0 1.229 304.7 2048.0 1.208 304.9 2049.0 1.185 305.2 2050.0 1.161 305.4 2051.0 1.136 305.6 2052.0 1.109 305.9 2053.0 1.081 306.1 2054.0 1.052 306.4 2055.0 1.022 306.7 2056.0 0.990 307.0 2057.0 0.956 307.3 2058.0 0.922 307.7 2059.0 0.886 308.1 2060.0 0.849 308.5 2061.0 0.810 308.9 2062.0 0.771 309.4 2063.0 0.730 310.0 2064.0 0.688 310.6 2065.0 0.645 311.3 2066.0 0.601 312.1 2067.0 0.556 313.0 2068.0 0.511 314.1 2069.0 0.465 315.4 2070.0 0.418 317.0 2071.0 0.371 319.0 2072.0 0.324 321.6 2073.0 0.277 325.0 2074.0 0.231 329.9 2075.0 0.188 337.0 2076.0 0.148 348.2 2077.0 0.118 6.2 2078.0 0.105 32.0 2079.0 0.116 58.2 2080.0 0.145 76.9 2081.0 0.184 88.5 2082.0 0.228 95.9 2083.0 0.273 100.9 2084.0 0.320 104.5 2085.0 0.368 107.1 2086.0 0.415 109.1 2087.0 0.463 110.7 2088.0 0.510 112.1 2089.0 0.557 113.2 2090.0 0.603 114.1 2091.0 0.649 114.9 2092.0 0.695 115.6 2093.0 0.739 116.2 2094.0 0.784 116.7 2095.0 0.827 117.2 2096.0 0.870 117.6 2097.0 0.913 118.0 2098.0 0.954 118.3 2099.0 0.995 118.7 2100.0 1.035 119.0 2101.0 1.075 119.3 2102.0 1.114 119.5 2103.0 1.152 119.8 2104.0 1.189 120.0 2105.0 1.226 120.2 2106.0 1.262 120.4 2107.0 1.298 120.6 2108.0 1.332 120.8 2109.0 1.367 120.9 2110.0 1.400 121.1 2111.0 1.433 121.3 2112.0 1.465 121.4 2113.0 1.496 121.5 2114.0 1.527 121.7 2115.0 1.557 121.8 2116.0 1.587 121.9 2117.0 1.616 122.1 2118.0 1.644 122.2 2119.0 1.672 122.3 2120.0 1.699 122.4 2121.0 1.726 122.5 2122.0 1.752 122.6 2123.0 1.777 122.7 2124.0 1.802 122.8 2125.0 1.827 122.9 2126.0 1.851 123.0 2127.0 1.874 123.1 2128.0 1.897 123.2 2129.0 1.919 123.2 2130.0 1.941 123.3 2131.0 1.963 123.4 2132.0 1.984 123.5 2133.0 2.004 123.6 2134.0 2.024 123.6 2135.0 2.044 123.7 2136.0 2.063 123.8 2137.0 2.081 123.9 2138.0 2.100 123.9 2139.0 2.117 124.0 2140.0 2.135 124.1 2141.0 2.152 124.1 2142.0 2.168 124.2 2143.0 2.184 124.3 2144.0 2.200 124.3 2145.0 2.215 124.4 2146.0 2.230 124.5 2147.0 2.245 124.5 2148.0 2.259 124.6 2149.0 2.273 124.6 2150.0 2.286 124.7 2151.0 2.300 124.8 2152.0 2.312 124.8 2153.0 2.325 124.9 2154.0 2.337 124.9 2155.0 2.349 125.0 2156.0 2.360 125.0 2157.0 2.371 125.1 2158.0 2.382 125.2 2159.0 2.392 125.2 2160.0 2.403 125.3 2161.0 2.412 125.3 2162.0 2.422 125.4 2163.0 2.431 125.4 2164.0 2.440 125.5 2165.0 2.449 125.5 2166.0 2.457 125.6 2167.0 2.465 125.6 2168.0 2.473 125.7 2169.0 2.481 125.7 2170.0 2.488 125.8 2171.0 2.495 125.8 2172.0 2.502 125.9 2173.0 2.508 125.9 2174.0 2.514 126.0 2175.0 2.520 126.0 2176.0 2.526 126.1 2177.0 2.532 126.1 2178.0 2.537 126.2 2179.0 2.542 126.2 2180.0 2.547 126.3 2181.0 2.551 126.3 2182.0 2.555 126.4 2183.0 2.559 126.4 2184.0 2.563 126.5 2185.0 2.567 126.5 2186.0 2.570 126.6 2187.0 2.573 126.6 2188.0 2.576 126.7 2189.0 2.579 126.7 2190.0 2.582 126.7 2191.0 2.584 126.8 2192.0 2.586 126.8 2193.0 2.588 126.9 2194.0 2.589 126.9 2195.0 2.591 127.0 2196.0 2.592 127.0 2197.0 2.593 127.1 2198.0 2.594 127.1 2199.0 2.595 127.2 2200.0 2.595 127.2 2201.0 2.596 127.3 2202.0 2.596 127.3 2203.0 2.596 127.3 2204.0 2.596 127.4 2205.0 2.595 127.4 2206.0 2.595 127.5 2207.0 2.594 127.5 2208.0 2.593 127.6 2209.0 2.592 127.6 2210.0 2.591 127.7 2211.0 2.589 127.7 2212.0 2.587 127.8 2213.0 2.586 127.8 2214.0 2.584 127.9 2215.0 2.582 127.9 2216.0 2.579 127.9 2217.0 2.577 128.0 2218.0 2.574 128.0 2219.0 2.572 128.1 2220.0 2.569 128.1 2221.0 2.566 128.2 2222.0 2.563 128.2 2223.0 2.559 128.3 2224.0 2.556 128.3 2225.0 2.552 128.4 2226.0 2.548 128.4 2227.0 2.544 128.5 2228.0 2.540 128.5 2229.0 2.536 128.6 2230.0 2.532 128.6 2231.0 2.527 128.7 2232.0 2.523 128.7 2233.0 2.518 128.8 2234.0 2.513 128.8 2235.0 2.508 128.9 2236.0 2.503 128.9 2237.0 2.497 129.0 2238.0 2.492 129.0 2239.0 2.486 129.1 2240.0 2.481 129.1 2241.0 2.475 129.2 2242.0 2.469 129.2 2243.0 2.463 129.3 2244.0 2.457 129.3 2245.0 2.450 129.4 2246.0 2.444 129.4 2247.0 2.437 129.5 2248.0 2.431 129.5 2249.0 2.424 129.6 2250.0 2.417 129.6 2251.0 2.410 129.7 2252.0 2.403 129.7 2253.0 2.395 129.8 2254.0 2.388 129.8 2255.0 2.381 129.9 2256.0 2.373 129.9 2257.0 2.365 130.0 2258.0 2.357 130.1 2259.0 2.349 130.1 2260.0 2.341 130.2 2261.0 2.333 130.2 2262.0 2.325 130.3 2263.0 2.317 130.3 2264.0 2.308 130.4 2265.0 2.300 130.5 2266.0 2.291 130.5 2267.0 2.282 130.6 2268.0 2.273 130.6 2269.0 2.264 130.7 2270.0 2.255 130.8 2271.0 2.246 130.8 2272.0 2.237 130.9 2273.0 2.227 130.9 2274.0 2.218 131.0 2275.0 2.208 131.1 2276.0 2.199 131.1 2277.0 2.189 131.2 2278.0 2.179 131.3