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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:38:31
WDS:
HU991
WDS ID/Discoverer
P:
631.800
Orbital period (years)
a:
1.417
Semi-major axis (arcseconds)
i:
44.8
Inclination (degrees)
Ω:
124.0
Longitude of ascending node (degrees)
T:
1976.850
Epoch of periastron passage (year)
e:
0.829
Eccentricity
ω:
48.4
Longitude of periastron (degrees)
Start-Year:
1710.0
Year
End-Year:
2340.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
230055.69+352157.9
Epoch-2000 right ascension and declination
WDS-ID:
23009+3522
WDS designation
Discoverer Code:
HU991
Discover designation and components
ADS number:
16448
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
113642
Hipparcos catalog number
V1:
10.23
Magnitude of the primary
V2:
11.17
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2017
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)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 1.069 306.4
-------------------------
1710.0 2.106 347.4
1711.0 2.103 347.5
1712.0 2.101 347.6
1713.0 2.098 347.7
1714.0 2.095 347.8
1715.0 2.092 347.9
1716.0 2.089 348.0
1717.0 2.087 348.1
1718.0 2.084 348.2
1719.0 2.081 348.3
1720.0 2.078 348.4
1721.0 2.075 348.5
1722.0 2.072 348.7
1723.0 2.069 348.8
1724.0 2.066 348.9
1725.0 2.063 349.0
1726.0 2.059 349.1
1727.0 2.056 349.2
1728.0 2.053 349.3
1729.0 2.050 349.4
1730.0 2.047 349.5
1731.0 2.043 349.6
1732.0 2.040 349.7
1733.0 2.037 349.8
1734.0 2.033 349.9
1735.0 2.030 350.1
1736.0 2.026 350.2
1737.0 2.023 350.3
1738.0 2.020 350.4
1739.0 2.016 350.5
1740.0 2.012 350.6
1741.0 2.009 350.7
1742.0 2.005 350.8
1743.0 2.002 351.0
1744.0 1.998 351.1
1745.0 1.994 351.2
1746.0 1.991 351.3
1747.0 1.987 351.4
1748.0 1.983 351.5
1749.0 1.979 351.6
1750.0 1.975 351.8
1751.0 1.972 351.9
1752.0 1.968 352.0
1753.0 1.964 352.1
1754.0 1.960 352.2
1755.0 1.956 352.3
1756.0 1.952 352.5
1757.0 1.948 352.6
1758.0 1.944 352.7
1759.0 1.940 352.8
1760.0 1.935 352.9
1761.0 1.931 353.1
1762.0 1.927 353.2
1763.0 1.923 353.3
1764.0 1.919 353.4
1765.0 1.914 353.6
1766.0 1.910 353.7
1767.0 1.906 353.8
1768.0 1.901 353.9
1769.0 1.897 354.1
1770.0 1.892 354.2
1771.0 1.888 354.3
1772.0 1.883 354.4
1773.0 1.879 354.6
1774.0 1.874 354.7
1775.0 1.870 354.8
1776.0 1.865 355.0
1777.0 1.860 355.1
1778.0 1.856 355.2
1779.0 1.851 355.3
1780.0 1.846 355.5
1781.0 1.842 355.6
1782.0 1.837 355.7
1783.0 1.832 355.9
1784.0 1.827 356.0
1785.0 1.822 356.2
1786.0 1.817 356.3
1787.0 1.812 356.4
1788.0 1.807 356.6
1789.0 1.802 356.7
1790.0 1.797 356.8
1791.0 1.792 357.0
1792.0 1.787 357.1
1793.0 1.782 357.3
1794.0 1.777 357.4
1795.0 1.772 357.6
1796.0 1.766 357.7
1797.0 1.761 357.9
1798.0 1.756 358.0
1799.0 1.750 358.1
1800.0 1.745 358.3
1801.0 1.740 358.4
1802.0 1.734 358.6
1803.0 1.729 358.7
1804.0 1.723 358.9
1805.0 1.718 359.1
1806.0 1.712 359.2
1807.0 1.707 359.4
1808.0 1.701 359.5
1809.0 1.695 359.7
1810.0 1.690 359.8
1811.0 1.684 360.0
1812.0 1.678 0.2
1813.0 1.672 0.3
1814.0 1.667 0.5
1815.0 1.661 0.6
1816.0 1.655 0.8
1817.0 1.649 1.0
1818.0 1.643 1.1
1819.0 1.637 1.3
1820.0 1.631 1.5
1821.0 1.625 1.7
1822.0 1.619 1.8
1823.0 1.613 2.0
1824.0 1.607 2.2
1825.0 1.600 2.4
1826.0 1.594 2.5
1827.0 1.588 2.7
1828.0 1.582 2.9
1829.0 1.575 3.1
1830.0 1.569 3.3
1831.0 1.563 3.4
1832.0 1.556 3.6
1833.0 1.550 3.8
1834.0 1.543 4.0
1835.0 1.537 4.2
1836.0 1.530 4.4
1837.0 1.524 4.6
1838.0 1.517 4.8
1839.0 1.510 5.0
1840.0 1.504 5.2
1841.0 1.497 5.4
1842.0 1.490 5.6
1843.0 1.483 5.8
1844.0 1.477 6.0
1845.0 1.470 6.2
1846.0 1.463 6.4
1847.0 1.456 6.6
1848.0 1.449 6.8
1849.0 1.442 7.1
1850.0 1.435 7.3
1851.0 1.428 7.5
1852.0 1.421 7.7
1853.0 1.413 8.0
1854.0 1.406 8.2
1855.0 1.399 8.4
1856.0 1.392 8.6
1857.0 1.384 8.9
1858.0 1.377 9.1
1859.0 1.370 9.4
1860.0 1.362 9.6
1861.0 1.355 9.8
1862.0 1.347 10.1
1863.0 1.340 10.3
1864.0 1.332 10.6
1865.0 1.325 10.9
1866.0 1.317 11.1
1867.0 1.309 11.4
1868.0 1.302 11.7
1869.0 1.294 11.9
1870.0 1.286 12.2
1871.0 1.278 12.5
1872.0 1.271 12.7
1873.0 1.263 13.0
1874.0 1.255 13.3
1875.0 1.247 13.6
1876.0 1.239 13.9
1877.0 1.231 14.2
1878.0 1.223 14.5
1879.0 1.214 14.8
1880.0 1.206 15.1
1881.0 1.198 15.4
1882.0 1.190 15.8
1883.0 1.181 16.1
1884.0 1.173 16.4
1885.0 1.165 16.7
1886.0 1.156 17.1
1887.0 1.148 17.4
1888.0 1.139 17.8
1889.0 1.131 18.1
1890.0 1.122 18.5
1891.0 1.114 18.8
1892.0 1.105 19.2
1893.0 1.096 19.6
1894.0 1.088 20.0
1895.0 1.079 20.3
1896.0 1.070 20.7
1897.0 1.061 21.1
1898.0 1.052 21.5
1899.0 1.043 22.0
1900.0 1.034 22.4
1901.0 1.025 22.8
1902.0 1.016 23.2
1903.0 1.007 23.7
1904.0 0.998 24.1
1905.0 0.989 24.6
1906.0 0.980 25.1
1907.0 0.971 25.5
1908.0 0.961 26.0
1909.0 0.952 26.5
1910.0 0.943 27.0
1911.0 0.933 27.5
1912.0 0.924 28.1
1913.0 0.914 28.6
1914.0 0.905 29.2
1915.0 0.895 29.7
1916.0 0.886 30.3
1917.0 0.876 30.9
1918.0 0.866 31.5
1919.0 0.857 32.1
1920.0 0.847 32.7
1921.0 0.837 33.4
1922.0 0.827 34.0
1923.0 0.817 34.7
1924.0 0.807 35.4
1925.0 0.798 36.1
1926.0 0.788 36.8
1927.0 0.778 37.5
1928.0 0.768 38.3
1929.0 0.757 39.1
1930.0 0.747 39.9
1931.0 0.737 40.7
1932.0 0.727 41.6
1933.0 0.717 42.4
1934.0 0.707 43.3
1935.0 0.696 44.2
1936.0 0.686 45.2
1937.0 0.676 46.2
1938.0 0.666 47.2
1939.0 0.655 48.2
1940.0 0.645 49.3
1941.0 0.635 50.4
1942.0 0.624 51.6
1943.0 0.614 52.7
1944.0 0.603 54.0
1945.0 0.593 55.2
1946.0 0.582 56.5
1947.0 0.572 57.9
1948.0 0.561 59.3
1949.0 0.551 60.8
1950.0 0.540 62.3
1951.0 0.530 63.9
1952.0 0.519 65.6
1953.0 0.509 67.3
1954.0 0.498 69.1
1955.0 0.487 70.9
1956.0 0.477 72.9
1957.0 0.466 74.9
1958.0 0.455 77.1
1959.0 0.445 79.3
1960.0 0.434 81.7
1961.0 0.423 84.1
1962.0 0.412 86.7
1963.0 0.401 89.5
1964.0 0.389 92.4
1965.0 0.378 95.5
1966.0 0.366 98.8
1967.0 0.354 102.3
1968.0 0.341 106.1
1969.0 0.328 110.1
1970.0 0.314 114.5
1971.0 0.299 119.4
1972.0 0.284 124.7
1973.0 0.268 130.7
1974.0 0.251 137.4
1975.0 0.234 145.2
1976.0 0.218 154.0
1977.0 0.204 164.3
1978.0 0.193 175.8
1979.0 0.187 188.5
1980.0 0.187 201.5
1981.0 0.194 214.0
1982.0 0.207 225.4
1983.0 0.224 235.2
1984.0 0.245 243.5
1985.0 0.268 250.5
1986.0 0.292 256.3
1987.0 0.317 261.2
1988.0 0.343 265.3
1989.0 0.368 268.9
1990.0 0.394 272.1
1991.0 0.419 274.8
1992.0 0.444 277.2
1993.0 0.469 279.4
1994.0 0.493 281.4
1995.0 0.517 283.2
1996.0 0.541 284.8
1997.0 0.564 286.3
1998.0 0.586 287.6
1999.0 0.608 288.9
2000.0 0.630 290.1
2001.0 0.651 291.2
2002.0 0.672 292.3
2003.0 0.693 293.2
2004.0 0.713 294.1
2005.0 0.733 295.0
2006.0 0.752 295.8
2007.0 0.771 296.6
2008.0 0.790 297.4
2009.0 0.809 298.1
2010.0 0.827 298.8
2011.0 0.845 299.4
2012.0 0.862 300.0
2013.0 0.880 300.6
2014.0 0.897 301.2
2015.0 0.914 301.8
2016.0 0.930 302.3
2017.0 0.947 302.8
2018.0 0.963 303.3
2019.0 0.979 303.8
2020.0 0.994 304.3
2021.0 1.010 304.7
2022.0 1.025 305.1
2023.0 1.040 305.6
2024.0 1.054 306.0
2025.0 1.069 306.4
2026.0 1.083 306.8
2027.0 1.098 307.2
2028.0 1.112 307.5
2029.0 1.125 307.9
2030.0 1.139 308.2
2031.0 1.152 308.6
2032.0 1.166 308.9
2033.0 1.179 309.3
2034.0 1.192 309.6
2035.0 1.205 309.9
2036.0 1.217 310.2
2037.0 1.230 310.5
2038.0 1.242 310.8
2039.0 1.254 311.1
2040.0 1.266 311.4
2041.0 1.278 311.7
2042.0 1.290 311.9
2043.0 1.302 312.2
2044.0 1.313 312.5
2045.0 1.325 312.7
2046.0 1.336 313.0
2047.0 1.347 313.3
2048.0 1.358 313.5
2049.0 1.369 313.7
2050.0 1.380 314.0
2051.0 1.390 314.2
2052.0 1.401 314.5
2053.0 1.411 314.7
2054.0 1.422 314.9
2055.0 1.432 315.1
2056.0 1.442 315.4
2057.0 1.452 315.6
2058.0 1.462 315.8
2059.0 1.472 316.0
2060.0 1.481 316.2
2061.0 1.491 316.4
2062.0 1.500 316.6
2063.0 1.510 316.8
2064.0 1.519 317.0
2065.0 1.528 317.2
2066.0 1.537 317.4
2067.0 1.546 317.6
2068.0 1.555 317.8
2069.0 1.564 318.0
2070.0 1.573 318.1
2071.0 1.581 318.3
2072.0 1.590 318.5
2073.0 1.598 318.7
2074.0 1.607 318.9
2075.0 1.615 319.0
2076.0 1.623 319.2
2077.0 1.631 319.4
2078.0 1.639 319.6
2079.0 1.647 319.7
2080.0 1.655 319.9
2081.0 1.663 320.1
2082.0 1.671 320.2
2083.0 1.678 320.4
2084.0 1.686 320.5
2085.0 1.694 320.7
2086.0 1.701 320.9
2087.0 1.708 321.0
2088.0 1.716 321.2
2089.0 1.723 321.3
2090.0 1.730 321.5
2091.0 1.737 321.6
2092.0 1.744 321.8
2093.0 1.751 321.9
2094.0 1.758 322.1
2095.0 1.765 322.2
2096.0 1.771 322.4
2097.0 1.778 322.5
2098.0 1.785 322.7
2099.0 1.791 322.8
2100.0 1.798 322.9
2101.0 1.804 323.1
2102.0 1.810 323.2
2103.0 1.817 323.4
2104.0 1.823 323.5
2105.0 1.829 323.6
2106.0 1.835 323.8
2107.0 1.841 323.9
2108.0 1.847 324.0
2109.0 1.853 324.2
2110.0 1.859 324.3
2111.0 1.865 324.4
2112.0 1.870 324.6
2113.0 1.876 324.7
2114.0 1.882 324.8
2115.0 1.887 324.9
2116.0 1.893 325.1
2117.0 1.898 325.2
2118.0 1.904 325.3
2119.0 1.909 325.4
2120.0 1.914 325.6
2121.0 1.919 325.7
2122.0 1.924 325.8
2123.0 1.930 325.9
2124.0 1.935 326.1
2125.0 1.940 326.2
2126.0 1.945 326.3
2127.0 1.950 326.4
2128.0 1.954 326.5
2129.0 1.959 326.7
2130.0 1.964 326.8
2131.0 1.969 326.9
2132.0 1.973 327.0
2133.0 1.978 327.1
2134.0 1.982 327.2
2135.0 1.987 327.4
2136.0 1.991 327.5
2137.0 1.996 327.6
2138.0 2.000 327.7
2139.0 2.004 327.8
2140.0 2.009 327.9
2141.0 2.013 328.0
2142.0 2.017 328.1
2143.0 2.021 328.3
2144.0 2.025 328.4
2145.0 2.029 328.5
2146.0 2.033 328.6
2147.0 2.037 328.7
2148.0 2.041 328.8
2149.0 2.045 328.9
2150.0 2.049 329.0
2151.0 2.052 329.1
2152.0 2.056 329.2
2153.0 2.060 329.4
2154.0 2.063 329.5
2155.0 2.067 329.6
2156.0 2.070 329.7
2157.0 2.074 329.8
2158.0 2.077 329.9
2159.0 2.081 330.0
2160.0 2.084 330.1
2161.0 2.087 330.2
2162.0 2.090 330.3
2163.0 2.094 330.4
2164.0 2.097 330.5
2165.0 2.100 330.6
2166.0 2.103 330.7
2167.0 2.106 330.8
2168.0 2.109 330.9
2169.0 2.112 331.0
2170.0 2.115 331.1
2171.0 2.118 331.2
2172.0 2.121 331.3
2173.0 2.123 331.4
2174.0 2.126 331.5
2175.0 2.129 331.6
2176.0 2.132 331.7
2177.0 2.134 331.8
2178.0 2.137 331.9
2179.0 2.139 332.0
2180.0 2.142 332.1
2181.0 2.144 332.2
2182.0 2.147 332.3
2183.0 2.149 332.4
2184.0 2.152 332.5
2185.0 2.154 332.6
2186.0 2.156 332.7
2187.0 2.158 332.8
2188.0 2.161 332.9
2189.0 2.163 333.0
2190.0 2.165 333.1
2191.0 2.167 333.2
2192.0 2.169 333.3
2193.0 2.171 333.4
2194.0 2.173 333.5
2195.0 2.175 333.6
2196.0 2.177 333.7
2197.0 2.179 333.8
2198.0 2.181 333.9
2199.0 2.183 334.0
2200.0 2.184 334.1
2201.0 2.186 334.2
2202.0 2.188 334.3
2203.0 2.189 334.3
2204.0 2.191 334.4
2205.0 2.193 334.5
2206.0 2.194 334.6
2207.0 2.196 334.7
2208.0 2.197 334.8
2209.0 2.199 334.9
2210.0 2.200 335.0
2211.0 2.201 335.1
2212.0 2.203 335.2
2213.0 2.204 335.3
2214.0 2.205 335.4
2215.0 2.206 335.5
2216.0 2.208 335.6
2217.0 2.209 335.7
2218.0 2.210 335.8
2219.0 2.211 335.8
2220.0 2.212 335.9
2221.0 2.213 336.0
2222.0 2.214 336.1
2223.0 2.215 336.2
2224.0 2.216 336.3
2225.0 2.217 336.4
2226.0 2.218 336.5
2227.0 2.219 336.6
2228.0 2.219 336.7
2229.0 2.220 336.8
2230.0 2.221 336.9
2231.0 2.222 337.0
2232.0 2.222 337.0
2233.0 2.223 337.1
2234.0 2.223 337.2
2235.0 2.224 337.3
2236.0 2.225 337.4
2237.0 2.225 337.5
2238.0 2.225 337.6
2239.0 2.226 337.7
2240.0 2.226 337.8
2241.0 2.227 337.9
2242.0 2.227 338.0
2243.0 2.227 338.1
2244.0 2.228 338.1
2245.0 2.228 338.2
2246.0 2.228 338.3
2247.0 2.228 338.4
2248.0 2.228 338.5
2249.0 2.228 338.6
2250.0 2.228 338.7
2251.0 2.229 338.8
2252.0 2.229 338.9
2253.0 2.229 339.0
2254.0 2.228 339.1
2255.0 2.228 339.2
2256.0 2.228 339.2
2257.0 2.228 339.3
2258.0 2.228 339.4
2259.0 2.228 339.5
2260.0 2.227 339.6
2261.0 2.227 339.7
2262.0 2.227 339.8
2263.0 2.227 339.9
2264.0 2.226 340.0
2265.0 2.226 340.1
2266.0 2.225 340.2
2267.0 2.225 340.3
2268.0 2.224 340.3
2269.0 2.224 340.4
2270.0 2.223 340.5
2271.0 2.223 340.6
2272.0 2.222 340.7
2273.0 2.222 340.8
2274.0 2.221 340.9
2275.0 2.220 341.0
2276.0 2.219 341.1
2277.0 2.219 341.2
2278.0 2.218 341.3
2279.0 2.217 341.4
2280.0 2.216 341.4
2281.0 2.215 341.5
2282.0 2.214 341.6
2283.0 2.213 341.7
2284.0 2.213 341.8
2285.0 2.212 341.9
2286.0 2.210 342.0
2287.0 2.209 342.1
2288.0 2.208 342.2
2289.0 2.207 342.3
2290.0 2.206 342.4
2291.0 2.205 342.5
2292.0 2.204 342.6
2293.0 2.202 342.7
2294.0 2.201 342.7
2295.0 2.200 342.8
2296.0 2.198 342.9
2297.0 2.197 343.0
2298.0 2.196 343.1
2299.0 2.194 343.2
2300.0 2.193 343.3
2301.0 2.191 343.4
2302.0 2.190 343.5
2303.0 2.188 343.6
2304.0 2.187 343.7
2305.0 2.185 343.8
2306.0 2.184 343.9
2307.0 2.182 344.0
2308.0 2.180 344.1
2309.0 2.178 344.2
2310.0 2.177 344.3
2311.0 2.175 344.4
2312.0 2.173 344.5
2313.0 2.171 344.6
2314.0 2.169 344.6
2315.0 2.168 344.7
2316.0 2.166 344.8
2317.0 2.164 344.9
2318.0 2.162 345.0
2319.0 2.160 345.1
2320.0 2.158 345.2
2321.0 2.156 345.3
2322.0 2.154 345.4
2323.0 2.151 345.5
2324.0 2.149 345.6
2325.0 2.147 345.7
2326.0 2.145 345.8
2327.0 2.143 345.9
2328.0 2.140 346.0
2329.0 2.138 346.1
2330.0 2.136 346.2
2331.0 2.133 346.3
2332.0 2.131 346.4
2333.0 2.129 346.5
2334.0 2.126 346.6
2335.0 2.124 346.7
2336.0 2.121 346.8
2337.0 2.119 346.9
2338.0 2.116 347.0
2339.0 2.113 347.1
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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