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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:36:47
WDS:
HU985
WDS ID/Discoverer
P:
495.000
Orbital period (years)
a:
0.87
Semi-major axis (arcseconds)
i:
124.1
Inclination (degrees)
Ω:
117.2
Longitude of ascending node (degrees)
T:
2080.000
Epoch of periastron passage (year)
e:
0.416
Eccentricity
ω:
62.0
Longitude of periastron (degrees)
Start-Year:
1778.0
Year
End-Year:
2272.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
224754.00+125836.2
Epoch-2000 right ascension and declination
WDS-ID:
22479+1259
WDS designation
Discoverer Code:
HU985
Discover designation and components
ADS number:
16273
Aitken Double Star catalog
HD number:
215839
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.60
Magnitude of the primary
V2:
9.88
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1995
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)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.657 130.5
-------------------------
1778.0 0.976 269.1
1779.0 0.974 268.8
1780.0 0.972 268.5
1781.0 0.970 268.2
1782.0 0.969 267.9
1783.0 0.967 267.6
1784.0 0.965 267.3
1785.0 0.963 267.0
1786.0 0.961 266.7
1787.0 0.959 266.4
1788.0 0.957 266.1
1789.0 0.954 265.8
1790.0 0.952 265.5
1791.0 0.950 265.2
1792.0 0.948 264.9
1793.0 0.946 264.6
1794.0 0.943 264.2
1795.0 0.941 263.9
1796.0 0.939 263.6
1797.0 0.937 263.3
1798.0 0.934 263.0
1799.0 0.932 262.6
1800.0 0.929 262.3
1801.0 0.927 262.0
1802.0 0.925 261.7
1803.0 0.922 261.3
1804.0 0.920 261.0
1805.0 0.917 260.7
1806.0 0.914 260.3
1807.0 0.912 260.0
1808.0 0.909 259.7
1809.0 0.907 259.3
1810.0 0.904 259.0
1811.0 0.901 258.6
1812.0 0.899 258.3
1813.0 0.896 257.9
1814.0 0.893 257.6
1815.0 0.891 257.2
1816.0 0.888 256.9
1817.0 0.885 256.5
1818.0 0.882 256.2
1819.0 0.879 255.8
1820.0 0.877 255.4
1821.0 0.874 255.1
1822.0 0.871 254.7
1823.0 0.868 254.3
1824.0 0.865 254.0
1825.0 0.862 253.6
1826.0 0.859 253.2
1827.0 0.857 252.8
1828.0 0.854 252.4
1829.0 0.851 252.1
1830.0 0.848 251.7
1831.0 0.845 251.3
1832.0 0.842 250.9
1833.0 0.839 250.5
1834.0 0.836 250.1
1835.0 0.833 249.7
1836.0 0.830 249.3
1837.0 0.827 248.9
1838.0 0.824 248.5
1839.0 0.821 248.0
1840.0 0.818 247.6
1841.0 0.815 247.2
1842.0 0.812 246.8
1843.0 0.809 246.4
1844.0 0.806 245.9
1845.0 0.803 245.5
1846.0 0.800 245.0
1847.0 0.797 244.6
1848.0 0.794 244.2
1849.0 0.791 243.7
1850.0 0.788 243.3
1851.0 0.785 242.8
1852.0 0.782 242.4
1853.0 0.779 241.9
1854.0 0.776 241.4
1855.0 0.773 241.0
1856.0 0.770 240.5
1857.0 0.767 240.0
1858.0 0.764 239.5
1859.0 0.762 239.1
1860.0 0.759 238.6
1861.0 0.756 238.1
1862.0 0.753 237.6
1863.0 0.750 237.1
1864.0 0.747 236.6
1865.0 0.744 236.1
1866.0 0.741 235.6
1867.0 0.739 235.1
1868.0 0.736 234.6
1869.0 0.733 234.0
1870.0 0.730 233.5
1871.0 0.727 233.0
1872.0 0.725 232.4
1873.0 0.722 231.9
1874.0 0.719 231.4
1875.0 0.717 230.8
1876.0 0.714 230.3
1877.0 0.711 229.7
1878.0 0.709 229.2
1879.0 0.706 228.6
1880.0 0.703 228.0
1881.0 0.701 227.5
1882.0 0.698 226.9
1883.0 0.696 226.3
1884.0 0.693 225.7
1885.0 0.691 225.2
1886.0 0.689 224.6
1887.0 0.686 224.0
1888.0 0.684 223.4
1889.0 0.682 222.8
1890.0 0.679 222.2
1891.0 0.677 221.6
1892.0 0.675 220.9
1893.0 0.673 220.3
1894.0 0.671 219.7
1895.0 0.668 219.1
1896.0 0.666 218.4
1897.0 0.664 217.8
1898.0 0.662 217.2
1899.0 0.660 216.5
1900.0 0.658 215.9
1901.0 0.657 215.2
1902.0 0.655 214.6
1903.0 0.653 213.9
1904.0 0.651 213.3
1905.0 0.650 212.6
1906.0 0.648 211.9
1907.0 0.646 211.3
1908.0 0.645 210.6
1909.0 0.643 209.9
1910.0 0.642 209.2
1911.0 0.640 208.6
1912.0 0.639 207.9
1913.0 0.637 207.2
1914.0 0.636 206.5
1915.0 0.635 205.8
1916.0 0.634 205.1
1917.0 0.633 204.4
1918.0 0.631 203.7
1919.0 0.630 203.0
1920.0 0.629 202.3
1921.0 0.628 201.6
1922.0 0.627 200.9
1923.0 0.627 200.1
1924.0 0.626 199.4
1925.0 0.625 198.7
1926.0 0.624 198.0
1927.0 0.624 197.3
1928.0 0.623 196.5
1929.0 0.622 195.8
1930.0 0.622 195.1
1931.0 0.621 194.4
1932.0 0.621 193.6
1933.0 0.621 192.9
1934.0 0.620 192.2
1935.0 0.620 191.5
1936.0 0.620 190.7
1937.0 0.620 190.0
1938.0 0.619 189.3
1939.0 0.619 188.5
1940.0 0.619 187.8
1941.0 0.619 187.1
1942.0 0.619 186.3
1943.0 0.619 185.6
1944.0 0.620 184.9
1945.0 0.620 184.1
1946.0 0.620 183.4
1947.0 0.620 182.7
1948.0 0.621 181.9
1949.0 0.621 181.2
1950.0 0.621 180.5
1951.0 0.622 179.8
1952.0 0.622 179.0
1953.0 0.623 178.3
1954.0 0.623 177.6
1955.0 0.624 176.9
1956.0 0.624 176.2
1957.0 0.625 175.4
1958.0 0.626 174.7
1959.0 0.626 174.0
1960.0 0.627 173.3
1961.0 0.628 172.6
1962.0 0.629 171.9
1963.0 0.630 171.2
1964.0 0.630 170.4
1965.0 0.631 169.7
1966.0 0.632 169.0
1967.0 0.633 168.3
1968.0 0.634 167.6
1969.0 0.635 166.9
1970.0 0.636 166.2
1971.0 0.637 165.5
1972.0 0.638 164.9
1973.0 0.639 164.2
1974.0 0.640 163.5
1975.0 0.641 162.8
1976.0 0.642 162.1
1977.0 0.643 161.4
1978.0 0.644 160.8
1979.0 0.645 160.1
1980.0 0.646 159.4
1981.0 0.647 158.7
1982.0 0.648 158.1
1983.0 0.649 157.4
1984.0 0.650 156.7
1985.0 0.651 156.1
1986.0 0.652 155.4
1987.0 0.653 154.8
1988.0 0.654 154.1
1989.0 0.655 153.4
1990.0 0.656 152.8
1991.0 0.657 152.1
1992.0 0.658 151.5
1993.0 0.659 150.9
1994.0 0.660 150.2
1995.0 0.661 149.6
1996.0 0.661 148.9
1997.0 0.662 148.3
1998.0 0.663 147.6
1999.0 0.663 147.0
2000.0 0.664 146.4
2001.0 0.665 145.7
2002.0 0.665 145.1
2003.0 0.666 144.5
2004.0 0.666 143.8
2005.0 0.666 143.2
2006.0 0.667 142.6
2007.0 0.667 141.9
2008.0 0.667 141.3
2009.0 0.667 140.7
2010.0 0.667 140.0
2011.0 0.667 139.4
2012.0 0.667 138.8
2013.0 0.667 138.1
2014.0 0.666 137.5
2015.0 0.666 136.9
2016.0 0.666 136.2
2017.0 0.665 135.6
2018.0 0.664 135.0
2019.0 0.664 134.3
2020.0 0.663 133.7
2021.0 0.662 133.1
2022.0 0.661 132.4
2023.0 0.659 131.8
2024.0 0.658 131.1
2025.0 0.657 130.5
2026.0 0.655 129.8
2027.0 0.653 129.2
2028.0 0.652 128.5
2029.0 0.650 127.9
2030.0 0.648 127.2
2031.0 0.645 126.5
2032.0 0.643 125.8
2033.0 0.640 125.2
2034.0 0.638 124.5
2035.0 0.635 123.8
2036.0 0.632 123.1
2037.0 0.629 122.4
2038.0 0.625 121.7
2039.0 0.622 120.9
2040.0 0.618 120.2
2041.0 0.614 119.5
2042.0 0.610 118.7
2043.0 0.606 118.0
2044.0 0.602 117.2
2045.0 0.597 116.4
2046.0 0.593 115.6
2047.0 0.588 114.8
2048.0 0.583 114.0
2049.0 0.577 113.2
2050.0 0.572 112.3
2051.0 0.566 111.4
2052.0 0.560 110.6
2053.0 0.554 109.7
2054.0 0.548 108.7
2055.0 0.541 107.8
2056.0 0.535 106.8
2057.0 0.528 105.8
2058.0 0.521 104.8
2059.0 0.514 103.8
2060.0 0.507 102.7
2061.0 0.499 101.6
2062.0 0.492 100.4
2063.0 0.484 99.2
2064.0 0.476 98.0
2065.0 0.468 96.8
2066.0 0.460 95.5
2067.0 0.452 94.1
2068.0 0.444 92.7
2069.0 0.435 91.3
2070.0 0.427 89.7
2071.0 0.419 88.2
2072.0 0.410 86.5
2073.0 0.402 84.8
2074.0 0.394 83.1
2075.0 0.385 81.2
2076.0 0.377 79.3
2077.0 0.369 77.3
2078.0 0.361 75.2
2079.0 0.354 73.0
2080.0 0.347 70.7
2081.0 0.340 68.3
2082.0 0.333 65.8
2083.0 0.327 63.2
2084.0 0.321 60.6
2085.0 0.315 57.8
2086.0 0.311 54.9
2087.0 0.306 52.0
2088.0 0.302 48.9
2089.0 0.299 45.8
2090.0 0.297 42.7
2091.0 0.295 39.5
2092.0 0.294 36.2
2093.0 0.294 33.0
2094.0 0.294 29.7
2095.0 0.295 26.5
2096.0 0.297 23.3
2097.0 0.300 20.2
2098.0 0.303 17.1
2099.0 0.307 14.0
2100.0 0.311 11.1
2101.0 0.316 8.2
2102.0 0.322 5.5
2103.0 0.328 2.8
2104.0 0.335 0.3
2105.0 0.342 357.8
2106.0 0.349 355.5
2107.0 0.357 353.2
2108.0 0.365 351.1
2109.0 0.373 349.0
2110.0 0.382 347.0
2111.0 0.391 345.2
2112.0 0.400 343.4
2113.0 0.409 341.7
2114.0 0.419 340.0
2115.0 0.428 338.4
2116.0 0.438 336.9
2117.0 0.447 335.5
2118.0 0.457 334.1
2119.0 0.467 332.8
2120.0 0.476 331.6
2121.0 0.486 330.3
2122.0 0.496 329.2
2123.0 0.506 328.1
2124.0 0.515 327.0
2125.0 0.525 326.0
2126.0 0.535 325.0
2127.0 0.544 324.0
2128.0 0.554 323.1
2129.0 0.563 322.2
2130.0 0.573 321.3
2131.0 0.582 320.4
2132.0 0.591 319.6
2133.0 0.600 318.8
2134.0 0.609 318.1
2135.0 0.618 317.3
2136.0 0.627 316.6
2137.0 0.636 315.9
2138.0 0.645 315.2
2139.0 0.653 314.5
2140.0 0.662 313.9
2141.0 0.670 313.3
2142.0 0.678 312.6
2143.0 0.686 312.0
2144.0 0.694 311.5
2145.0 0.702 310.9
2146.0 0.710 310.3
2147.0 0.718 309.8
2148.0 0.725 309.2
2149.0 0.733 308.7
2150.0 0.740 308.2
2151.0 0.748 307.7
2152.0 0.755 307.2
2153.0 0.762 306.7
2154.0 0.769 306.2
2155.0 0.775 305.7
2156.0 0.782 305.3
2157.0 0.789 304.8
2158.0 0.795 304.4
2159.0 0.801 303.9
2160.0 0.808 303.5
2161.0 0.814 303.1
2162.0 0.820 302.6
2163.0 0.826 302.2
2164.0 0.832 301.8
2165.0 0.837 301.4
2166.0 0.843 301.0
2167.0 0.848 300.6
2168.0 0.854 300.2
2169.0 0.859 299.9
2170.0 0.864 299.5
2171.0 0.869 299.1
2172.0 0.874 298.7
2173.0 0.879 298.4
2174.0 0.884 298.0
2175.0 0.888 297.7
2176.0 0.893 297.3
2177.0 0.897 297.0
2178.0 0.902 296.6
2179.0 0.906 296.3
2180.0 0.910 295.9
2181.0 0.914 295.6
2182.0 0.918 295.2
2183.0 0.922 294.9
2184.0 0.926 294.6
2185.0 0.929 294.3
2186.0 0.933 293.9
2187.0 0.936 293.6
2188.0 0.940 293.3
2189.0 0.943 293.0
2190.0 0.946 292.7
2191.0 0.949 292.4
2192.0 0.952 292.0
2193.0 0.955 291.7
2194.0 0.958 291.4
2195.0 0.961 291.1
2196.0 0.964 290.8
2197.0 0.966 290.5
2198.0 0.969 290.2
2199.0 0.971 289.9
2200.0 0.974 289.6
2201.0 0.976 289.3
2202.0 0.978 289.0
2203.0 0.980 288.7
2204.0 0.983 288.5
2205.0 0.985 288.2
2206.0 0.986 287.9
2207.0 0.988 287.6
2208.0 0.990 287.3
2209.0 0.992 287.0
2210.0 0.993 286.7
2211.0 0.995 286.4
2212.0 0.996 286.2
2213.0 0.998 285.9
2214.0 0.999 285.6
2215.0 1.000 285.3
2216.0 1.002 285.0
2217.0 1.003 284.8
2218.0 1.004 284.5
2219.0 1.005 284.2
2220.0 1.006 283.9
2221.0 1.006 283.6
2222.0 1.007 283.4
2223.0 1.008 283.1
2224.0 1.009 282.8
2225.0 1.009 282.5
2226.0 1.010 282.3
2227.0 1.010 282.0
2228.0 1.011 281.7
2229.0 1.011 281.4
2230.0 1.011 281.2
2231.0 1.012 280.9
2232.0 1.012 280.6
2233.0 1.012 280.3
2234.0 1.012 280.1
2235.0 1.012 279.8
2236.0 1.012 279.5
2237.0 1.012 279.2
2238.0 1.012 279.0
2239.0 1.011 278.7
2240.0 1.011 278.4
2241.0 1.011 278.1
2242.0 1.011 277.9
2243.0 1.010 277.6
2244.0 1.010 277.3
2245.0 1.009 277.0
2246.0 1.009 276.8
2247.0 1.008 276.5
2248.0 1.007 276.2
2249.0 1.006 275.9
2250.0 1.006 275.7
2251.0 1.005 275.4
2252.0 1.004 275.1
2253.0 1.003 274.8
2254.0 1.002 274.6
2255.0 1.001 274.3
2256.0 1.000 274.0
2257.0 0.999 273.7
2258.0 0.998 273.4
2259.0 0.997 273.1
2260.0 0.995 272.9
2261.0 0.994 272.6
2262.0 0.993 272.3
2263.0 0.992 272.0
2264.0 0.990 271.7
2265.0 0.989 271.4
2266.0 0.987 271.2
2267.0 0.986 270.9
2268.0 0.984 270.6
2269.0 0.983 270.3
2270.0 0.981 270.0
2271.0 0.979 269.7
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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