| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:51:59 |
| WDS: | A983 | WDS ID/Discoverer |
| P: | 587.000 | Orbital period (years) |
| a: | 0.748 | Semi-major axis (arcseconds) |
| i: | 63.2 | Inclination (degrees) |
| Ω: | 150.8 | Longitude of ascending node (degrees) |
| T: | 1964.830 | Epoch of periastron passage (year) |
| e: | 0.591 | Eccentricity |
| ω: | 245.3 | Longitude of periastron (degrees) |
| Start-Year: | 1732.0 | Year |
| End-Year: | 2318.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 033059.31+293649.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03310+2937 | WDS designation |
| Discoverer Code: | A983 | Discover designation and components |
| ADS number: | 2578 | Aitken Double Star catalog |
| HD number: | 21674 | HD catalog number |
| Hipparcos number: | 16376 | Hipparcos catalog number |
| V1: | 9.64 | Magnitude of the primary |
| V2: | 10.24 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2007 | Date of last observation |
| Orbit grade: | 4 | 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 0.580 147.1 ------------------------- 1732.0 0.566 214.4 1733.0 0.564 214.8 1734.0 0.562 215.2 1735.0 0.560 215.6 1736.0 0.558 216.0 1737.0 0.556 216.4 1738.0 0.554 216.8 1739.0 0.552 217.2 1740.0 0.550 217.7 1741.0 0.548 218.1 1742.0 0.546 218.5 1743.0 0.544 218.9 1744.0 0.542 219.3 1745.0 0.540 219.8 1746.0 0.538 220.2 1747.0 0.537 220.6 1748.0 0.535 221.1 1749.0 0.533 221.5 1750.0 0.531 221.9 1751.0 0.529 222.4 1752.0 0.527 222.8 1753.0 0.525 223.3 1754.0 0.524 223.7 1755.0 0.522 224.2 1756.0 0.520 224.6 1757.0 0.518 225.1 1758.0 0.517 225.6 1759.0 0.515 226.0 1760.0 0.513 226.5 1761.0 0.512 227.0 1762.0 0.510 227.5 1763.0 0.508 227.9 1764.0 0.507 228.4 1765.0 0.505 228.9 1766.0 0.503 229.4 1767.0 0.502 229.9 1768.0 0.500 230.4 1769.0 0.499 230.9 1770.0 0.497 231.4 1771.0 0.496 231.9 1772.0 0.494 232.4 1773.0 0.493 232.9 1774.0 0.491 233.5 1775.0 0.490 234.0 1776.0 0.488 234.5 1777.0 0.487 235.0 1778.0 0.486 235.5 1779.0 0.484 236.1 1780.0 0.483 236.6 1781.0 0.482 237.1 1782.0 0.481 237.7 1783.0 0.479 238.2 1784.0 0.478 238.8 1785.0 0.477 239.3 1786.0 0.476 239.9 1787.0 0.475 240.4 1788.0 0.474 241.0 1789.0 0.472 241.5 1790.0 0.471 242.1 1791.0 0.470 242.7 1792.0 0.469 243.2 1793.0 0.468 243.8 1794.0 0.467 244.4 1795.0 0.467 244.9 1796.0 0.466 245.5 1797.0 0.465 246.1 1798.0 0.464 246.7 1799.0 0.463 247.2 1800.0 0.462 247.8 1801.0 0.462 248.4 1802.0 0.461 249.0 1803.0 0.460 249.6 1804.0 0.459 250.2 1805.0 0.459 250.8 1806.0 0.458 251.4 1807.0 0.457 252.0 1808.0 0.457 252.6 1809.0 0.456 253.2 1810.0 0.456 253.8 1811.0 0.455 254.4 1812.0 0.455 255.0 1813.0 0.454 255.6 1814.0 0.454 256.2 1815.0 0.454 256.8 1816.0 0.453 257.4 1817.0 0.453 258.0 1818.0 0.453 258.6 1819.0 0.452 259.2 1820.0 0.452 259.8 1821.0 0.452 260.4 1822.0 0.452 261.0 1823.0 0.452 261.6 1824.0 0.451 262.3 1825.0 0.451 262.9 1826.0 0.451 263.5 1827.0 0.451 264.1 1828.0 0.451 264.7 1829.0 0.451 265.3 1830.0 0.451 265.9 1831.0 0.451 266.6 1832.0 0.451 267.2 1833.0 0.451 267.8 1834.0 0.451 268.4 1835.0 0.451 269.0 1836.0 0.452 269.6 1837.0 0.452 270.2 1838.0 0.452 270.8 1839.0 0.452 271.5 1840.0 0.452 272.1 1841.0 0.453 272.7 1842.0 0.453 273.3 1843.0 0.453 273.9 1844.0 0.454 274.5 1845.0 0.454 275.1 1846.0 0.454 275.7 1847.0 0.455 276.3 1848.0 0.455 276.9 1849.0 0.455 277.5 1850.0 0.456 278.1 1851.0 0.456 278.7 1852.0 0.457 279.3 1853.0 0.457 279.9 1854.0 0.458 280.5 1855.0 0.458 281.1 1856.0 0.459 281.7 1857.0 0.459 282.3 1858.0 0.460 282.9 1859.0 0.460 283.5 1860.0 0.461 284.1 1861.0 0.461 284.6 1862.0 0.462 285.2 1863.0 0.462 285.8 1864.0 0.463 286.4 1865.0 0.463 287.0 1866.0 0.464 287.6 1867.0 0.465 288.1 1868.0 0.465 288.7 1869.0 0.466 289.3 1870.0 0.466 289.9 1871.0 0.467 290.4 1872.0 0.467 291.0 1873.0 0.468 291.6 1874.0 0.468 292.2 1875.0 0.469 292.7 1876.0 0.469 293.3 1877.0 0.470 293.9 1878.0 0.470 294.4 1879.0 0.471 295.0 1880.0 0.471 295.6 1881.0 0.472 296.1 1882.0 0.472 296.7 1883.0 0.473 297.2 1884.0 0.473 297.8 1885.0 0.473 298.3 1886.0 0.474 298.9 1887.0 0.474 299.5 1888.0 0.474 300.0 1889.0 0.475 300.6 1890.0 0.475 301.1 1891.0 0.475 301.7 1892.0 0.475 302.2 1893.0 0.475 302.8 1894.0 0.475 303.3 1895.0 0.475 303.9 1896.0 0.475 304.4 1897.0 0.475 305.0 1898.0 0.475 305.5 1899.0 0.475 306.1 1900.0 0.475 306.7 1901.0 0.475 307.2 1902.0 0.474 307.8 1903.0 0.474 308.3 1904.0 0.473 308.9 1905.0 0.473 309.4 1906.0 0.472 310.0 1907.0 0.472 310.5 1908.0 0.471 311.1 1909.0 0.470 311.7 1910.0 0.469 312.2 1911.0 0.468 312.8 1912.0 0.467 313.4 1913.0 0.466 313.9 1914.0 0.465 314.5 1915.0 0.464 315.1 1916.0 0.462 315.7 1917.0 0.461 316.3 1918.0 0.459 316.9 1919.0 0.457 317.5 1920.0 0.455 318.1 1921.0 0.453 318.7 1922.0 0.451 319.3 1923.0 0.449 319.9 1924.0 0.446 320.5 1925.0 0.444 321.1 1926.0 0.441 321.8 1927.0 0.438 322.4 1928.0 0.435 323.1 1929.0 0.431 323.8 1930.0 0.428 324.4 1931.0 0.424 325.1 1932.0 0.421 325.8 1933.0 0.417 326.5 1934.0 0.412 327.3 1935.0 0.408 328.0 1936.0 0.403 328.8 1937.0 0.399 329.5 1938.0 0.393 330.3 1939.0 0.388 331.1 1940.0 0.383 332.0 1941.0 0.377 332.8 1942.0 0.371 333.7 1943.0 0.364 334.7 1944.0 0.358 335.6 1945.0 0.351 336.6 1946.0 0.344 337.6 1947.0 0.337 338.7 1948.0 0.329 339.8 1949.0 0.321 341.0 1950.0 0.313 342.3 1951.0 0.305 343.6 1952.0 0.297 345.0 1953.0 0.288 346.4 1954.0 0.279 348.0 1955.0 0.270 349.6 1956.0 0.260 351.4 1957.0 0.251 353.3 1958.0 0.242 355.4 1959.0 0.232 357.6 1960.0 0.223 0.0 1961.0 0.213 2.6 1962.0 0.204 5.5 1963.0 0.195 8.7 1964.0 0.186 12.1 1965.0 0.178 15.9 1966.0 0.170 20.0 1967.0 0.163 24.6 1968.0 0.157 29.5 1969.0 0.151 34.7 1970.0 0.147 40.4 1971.0 0.144 46.2 1972.0 0.143 52.3 1973.0 0.142 58.5 1974.0 0.144 64.6 1975.0 0.146 70.5 1976.0 0.150 76.2 1977.0 0.155 81.5 1978.0 0.162 86.5 1979.0 0.169 91.1 1980.0 0.177 95.3 1981.0 0.185 99.1 1982.0 0.194 102.6 1983.0 0.204 105.7 1984.0 0.213 108.6 1985.0 0.223 111.2 1986.0 0.234 113.6 1987.0 0.244 115.8 1988.0 0.255 117.8 1989.0 0.265 119.7 1990.0 0.276 121.4 1991.0 0.286 122.9 1992.0 0.297 124.4 1993.0 0.307 125.8 1994.0 0.318 127.1 1995.0 0.328 128.3 1996.0 0.338 129.4 1997.0 0.348 130.4 1998.0 0.358 131.4 1999.0 0.368 132.4 2000.0 0.378 133.3 2001.0 0.388 134.1 2002.0 0.397 134.9 2003.0 0.407 135.7 2004.0 0.416 136.5 2005.0 0.425 137.2 2006.0 0.434 137.8 2007.0 0.443 138.5 2008.0 0.452 139.1 2009.0 0.460 139.7 2010.0 0.469 140.3 2011.0 0.477 140.8 2012.0 0.485 141.4 2013.0 0.494 141.9 2014.0 0.501 142.4 2015.0 0.509 142.9 2016.0 0.517 143.4 2017.0 0.525 143.8 2018.0 0.532 144.3 2019.0 0.539 144.7 2020.0 0.546 145.1 2021.0 0.553 145.5 2022.0 0.560 145.9 2023.0 0.567 146.3 2024.0 0.574 146.7 2025.0 0.580 147.1 2026.0 0.587 147.5 2027.0 0.593 147.8 2028.0 0.599 148.2 2029.0 0.606 148.5 2030.0 0.612 148.9 2031.0 0.617 149.2 2032.0 0.623 149.5 2033.0 0.629 149.8 2034.0 0.635 150.1 2035.0 0.640 150.4 2036.0 0.645 150.7 2037.0 0.651 151.0 2038.0 0.656 151.3 2039.0 0.661 151.6 2040.0 0.666 151.9 2041.0 0.671 152.2 2042.0 0.676 152.5 2043.0 0.681 152.7 2044.0 0.685 153.0 2045.0 0.690 153.3 2046.0 0.694 153.5 2047.0 0.699 153.8 2048.0 0.703 154.0 2049.0 0.707 154.3 2050.0 0.711 154.5 2051.0 0.715 154.8 2052.0 0.719 155.0 2053.0 0.723 155.3 2054.0 0.727 155.5 2055.0 0.731 155.7 2056.0 0.735 156.0 2057.0 0.738 156.2 2058.0 0.742 156.4 2059.0 0.745 156.7 2060.0 0.749 156.9 2061.0 0.752 157.1 2062.0 0.755 157.3 2063.0 0.759 157.5 2064.0 0.762 157.8 2065.0 0.765 158.0 2066.0 0.768 158.2 2067.0 0.771 158.4 2068.0 0.774 158.6 2069.0 0.776 158.8 2070.0 0.779 159.0 2071.0 0.782 159.2 2072.0 0.785 159.4 2073.0 0.787 159.6 2074.0 0.790 159.8 2075.0 0.792 160.0 2076.0 0.795 160.2 2077.0 0.797 160.4 2078.0 0.799 160.6 2079.0 0.801 160.8 2080.0 0.804 161.0 2081.0 0.806 161.2 2082.0 0.808 161.4 2083.0 0.810 161.6 2084.0 0.812 161.8 2085.0 0.814 162.0 2086.0 0.816 162.1 2087.0 0.817 162.3 2088.0 0.819 162.5 2089.0 0.821 162.7 2090.0 0.823 162.9 2091.0 0.824 163.1 2092.0 0.826 163.3 2093.0 0.827 163.4 2094.0 0.829 163.6 2095.0 0.830 163.8 2096.0 0.832 164.0 2097.0 0.833 164.2 2098.0 0.834 164.3 2099.0 0.836 164.5 2100.0 0.837 164.7 2101.0 0.838 164.9 2102.0 0.839 165.1 2103.0 0.840 165.2 2104.0 0.842 165.4 2105.0 0.843 165.6 2106.0 0.844 165.8 2107.0 0.845 165.9 2108.0 0.845 166.1 2109.0 0.846 166.3 2110.0 0.847 166.5 2111.0 0.848 166.6 2112.0 0.849 166.8 2113.0 0.849 167.0 2114.0 0.850 167.2 2115.0 0.851 167.3 2116.0 0.851 167.5 2117.0 0.852 167.7 2118.0 0.852 167.8 2119.0 0.853 168.0 2120.0 0.853 168.2 2121.0 0.854 168.4 2122.0 0.854 168.5 2123.0 0.855 168.7 2124.0 0.855 168.9 2125.0 0.855 169.0 2126.0 0.856 169.2 2127.0 0.856 169.4 2128.0 0.856 169.6 2129.0 0.856 169.7 2130.0 0.856 169.9 2131.0 0.856 170.1 2132.0 0.856 170.2 2133.0 0.856 170.4 2134.0 0.857 170.6 2135.0 0.856 170.7 2136.0 0.856 170.9 2137.0 0.856 171.1 2138.0 0.856 171.3 2139.0 0.856 171.4 2140.0 0.856 171.6 2141.0 0.856 171.8 2142.0 0.856 171.9 2143.0 0.855 172.1 2144.0 0.855 172.3 2145.0 0.855 172.4 2146.0 0.854 172.6 2147.0 0.854 172.8 2148.0 0.854 173.0 2149.0 0.853 173.1 2150.0 0.853 173.3 2151.0 0.852 173.5 2152.0 0.852 173.6 2153.0 0.851 173.8 2154.0 0.851 174.0 2155.0 0.850 174.2 2156.0 0.850 174.3 2157.0 0.849 174.5 2158.0 0.849 174.7 2159.0 0.848 174.9 2160.0 0.847 175.0 2161.0 0.847 175.2 2162.0 0.846 175.4 2163.0 0.845 175.6 2164.0 0.844 175.7 2165.0 0.843 175.9 2166.0 0.843 176.1 2167.0 0.842 176.3 2168.0 0.841 176.4 2169.0 0.840 176.6 2170.0 0.839 176.8 2171.0 0.838 177.0 2172.0 0.837 177.1 2173.0 0.836 177.3 2174.0 0.835 177.5 2175.0 0.834 177.7 2176.0 0.833 177.9 2177.0 0.832 178.0 2178.0 0.831 178.2 2179.0 0.830 178.4 2180.0 0.829 178.6 2181.0 0.828 178.8 2182.0 0.827 178.9 2183.0 0.826 179.1 2184.0 0.824 179.3 2185.0 0.823 179.5 2186.0 0.822 179.7 2187.0 0.821 179.9 2188.0 0.820 180.0 2189.0 0.818 180.2 2190.0 0.817 180.4 2191.0 0.816 180.6 2192.0 0.814 180.8 2193.0 0.813 181.0 2194.0 0.812 181.2 2195.0 0.810 181.4 2196.0 0.809 181.6 2197.0 0.807 181.7 2198.0 0.806 181.9 2199.0 0.805 182.1 2200.0 0.803 182.3 2201.0 0.802 182.5 2202.0 0.800 182.7 2203.0 0.799 182.9 2204.0 0.797 183.1 2205.0 0.796 183.3 2206.0 0.794 183.5 2207.0 0.793 183.7 2208.0 0.791 183.9 2209.0 0.789 184.1 2210.0 0.788 184.3 2211.0 0.786 184.5 2212.0 0.784 184.7 2213.0 0.783 184.9 2214.0 0.781 185.1 2215.0 0.779 185.3 2216.0 0.778 185.5 2217.0 0.776 185.7 2218.0 0.774 185.9 2219.0 0.773 186.1 2220.0 0.771 186.3 2221.0 0.769 186.6 2222.0 0.767 186.8 2223.0 0.766 187.0 2224.0 0.764 187.2 2225.0 0.762 187.4 2226.0 0.760 187.6 2227.0 0.758 187.8 2228.0 0.757 188.1 2229.0 0.755 188.3 2230.0 0.753 188.5 2231.0 0.751 188.7 2232.0 0.749 188.9 2233.0 0.747 189.2 2234.0 0.745 189.4 2235.0 0.743 189.6 2236.0 0.741 189.8 2237.0 0.740 190.1 2238.0 0.738 190.3 2239.0 0.736 190.5 2240.0 0.734 190.8 2241.0 0.732 191.0 2242.0 0.730 191.2 2243.0 0.728 191.5 2244.0 0.726 191.7 2245.0 0.724 191.9 2246.0 0.722 192.2 2247.0 0.720 192.4 2248.0 0.718 192.7 2249.0 0.716 192.9 2250.0 0.714 193.1 2251.0 0.712 193.4 2252.0 0.710 193.6 2253.0 0.707 193.9 2254.0 0.705 194.1 2255.0 0.703 194.4 2256.0 0.701 194.6 2257.0 0.699 194.9 2258.0 0.697 195.1 2259.0 0.695 195.4 2260.0 0.693 195.7 2261.0 0.691 195.9 2262.0 0.689 196.2 2263.0 0.687 196.4 2264.0 0.684 196.7 2265.0 0.682 197.0 2266.0 0.680 197.3 2267.0 0.678 197.5 2268.0 0.676 197.8 2269.0 0.674 198.1 2270.0 0.672 198.3 2271.0 0.669 198.6 2272.0 0.667 198.9 2273.0 0.665 199.2 2274.0 0.663 199.5 2275.0 0.661 199.7 2276.0 0.659 200.0 2277.0 0.656 200.3 2278.0 0.654 200.6 2279.0 0.652 200.9 2280.0 0.650 201.2 2281.0 0.648 201.5 2282.0 0.646 201.8 2283.0 0.643 202.1 2284.0 0.641 202.4 2285.0 0.639 202.7 2286.0 0.637 203.0 2287.0 0.635 203.3 2288.0 0.632 203.6 2289.0 0.630 203.9 2290.0 0.628 204.3 2291.0 0.626 204.6 2292.0 0.624 204.9 2293.0 0.622 205.2 2294.0 0.619 205.5 2295.0 0.617 205.9 2296.0 0.615 206.2 2297.0 0.613 206.5 2298.0 0.611 206.9 2299.0 0.609 207.2 2300.0 0.606 207.5 2301.0 0.604 207.9 2302.0 0.602 208.2 2303.0 0.600 208.6 2304.0 0.598 208.9 2305.0 0.596 209.3 2306.0 0.593 209.6 2307.0 0.591 210.0 2308.0 0.589 210.3 2309.0 0.587 210.7 2310.0 0.585 211.1 2311.0 0.583 211.4 2312.0 0.581 211.8 2313.0 0.579 212.2 2314.0 0.577 212.5 2315.0 0.574 212.9 2316.0 0.572 213.3 2317.0 0.570 213.7