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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:21:38
WDS:
BU766AB
WDS ID/Discoverer
P:
464.660
Orbital period (years)
a:
0.836
Semi-major axis (arcseconds)
i:
111.8
Inclination (degrees)
Ω:
113.8
Longitude of ascending node (degrees)
T:
2042.140
Epoch of periastron passage (year)
e:
0.201
Eccentricity
ω:
315.3
Longitude of periastron (degrees)
Start-Year:
1793.0
Year
End-Year:
2257.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
212424.80-410024.1
Epoch-2000 right ascension and declination
WDS-ID:
21244-4100
WDS designation
Discoverer Code:
BU766AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
203585
HD catalog number
Hipparcos number:
105696
Hipparcos catalog number
V1:
6.24
Magnitude of the primary
V2:
6.88
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1999
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 0.365 152.3
-------------------------
1793.0 0.666 320.5
1794.0 0.671 320.1
1795.0 0.677 319.6
1796.0 0.683 319.2
1797.0 0.689 318.8
1798.0 0.695 318.4
1799.0 0.701 318.0
1800.0 0.706 317.6
1801.0 0.712 317.2
1802.0 0.718 316.8
1803.0 0.723 316.4
1804.0 0.729 316.0
1805.0 0.734 315.7
1806.0 0.740 315.3
1807.0 0.745 315.0
1808.0 0.751 314.6
1809.0 0.756 314.3
1810.0 0.761 313.9
1811.0 0.767 313.6
1812.0 0.772 313.2
1813.0 0.777 312.9
1814.0 0.782 312.6
1815.0 0.787 312.3
1816.0 0.792 312.0
1817.0 0.797 311.6
1818.0 0.801 311.3
1819.0 0.806 311.0
1820.0 0.811 310.7
1821.0 0.815 310.4
1822.0 0.820 310.1
1823.0 0.825 309.8
1824.0 0.829 309.6
1825.0 0.833 309.3
1826.0 0.838 309.0
1827.0 0.842 308.7
1828.0 0.846 308.4
1829.0 0.850 308.2
1830.0 0.854 307.9
1831.0 0.858 307.6
1832.0 0.862 307.4
1833.0 0.866 307.1
1834.0 0.869 306.8
1835.0 0.873 306.6
1836.0 0.877 306.3
1837.0 0.880 306.1
1838.0 0.883 305.8
1839.0 0.887 305.5
1840.0 0.890 305.3
1841.0 0.893 305.1
1842.0 0.896 304.8
1843.0 0.899 304.6
1844.0 0.902 304.3
1845.0 0.905 304.1
1846.0 0.908 303.8
1847.0 0.910 303.6
1848.0 0.913 303.4
1849.0 0.915 303.1
1850.0 0.918 302.9
1851.0 0.920 302.7
1852.0 0.922 302.4
1853.0 0.925 302.2
1854.0 0.927 302.0
1855.0 0.929 301.7
1856.0 0.931 301.5
1857.0 0.932 301.3
1858.0 0.934 301.1
1859.0 0.936 300.8
1860.0 0.937 300.6
1861.0 0.939 300.4
1862.0 0.940 300.2
1863.0 0.941 299.9
1864.0 0.942 299.7
1865.0 0.943 299.5
1866.0 0.944 299.3
1867.0 0.945 299.0
1868.0 0.946 298.8
1869.0 0.947 298.6
1870.0 0.947 298.4
1871.0 0.948 298.2
1872.0 0.948 298.0
1873.0 0.948 297.7
1874.0 0.948 297.5
1875.0 0.949 297.3
1876.0 0.949 297.1
1877.0 0.948 296.9
1878.0 0.948 296.6
1879.0 0.948 296.4
1880.0 0.947 296.2
1881.0 0.947 296.0
1882.0 0.946 295.8
1883.0 0.945 295.5
1884.0 0.945 295.3
1885.0 0.944 295.1
1886.0 0.943 294.9
1887.0 0.941 294.7
1888.0 0.940 294.4
1889.0 0.939 294.2
1890.0 0.937 294.0
1891.0 0.936 293.8
1892.0 0.934 293.5
1893.0 0.932 293.3
1894.0 0.930 293.1
1895.0 0.928 292.9
1896.0 0.926 292.6
1897.0 0.924 292.4
1898.0 0.921 292.2
1899.0 0.919 291.9
1900.0 0.916 291.7
1901.0 0.914 291.5
1902.0 0.911 291.2
1903.0 0.908 291.0
1904.0 0.905 290.7
1905.0 0.902 290.5
1906.0 0.899 290.3
1907.0 0.895 290.0
1908.0 0.892 289.8
1909.0 0.888 289.5
1910.0 0.885 289.3
1911.0 0.881 289.0
1912.0 0.877 288.8
1913.0 0.873 288.5
1914.0 0.869 288.2
1915.0 0.864 288.0
1916.0 0.860 287.7
1917.0 0.856 287.4
1918.0 0.851 287.2
1919.0 0.846 286.9
1920.0 0.841 286.6
1921.0 0.837 286.3
1922.0 0.832 286.1
1923.0 0.826 285.8
1924.0 0.821 285.5
1925.0 0.816 285.2
1926.0 0.810 284.9
1927.0 0.805 284.6
1928.0 0.799 284.3
1929.0 0.793 284.0
1930.0 0.787 283.7
1931.0 0.781 283.3
1932.0 0.775 283.0
1933.0 0.769 282.7
1934.0 0.763 282.4
1935.0 0.756 282.0
1936.0 0.750 281.7
1937.0 0.743 281.3
1938.0 0.736 280.9
1939.0 0.729 280.6
1940.0 0.722 280.2
1941.0 0.715 279.8
1942.0 0.708 279.4
1943.0 0.701 279.0
1944.0 0.694 278.6
1945.0 0.686 278.2
1946.0 0.679 277.8
1947.0 0.671 277.4
1948.0 0.663 276.9
1949.0 0.655 276.5
1950.0 0.648 276.0
1951.0 0.640 275.5
1952.0 0.632 275.0
1953.0 0.623 274.5
1954.0 0.615 274.0
1955.0 0.607 273.5
1956.0 0.599 273.0
1957.0 0.590 272.4
1958.0 0.582 271.8
1959.0 0.573 271.2
1960.0 0.564 270.6
1961.0 0.556 270.0
1962.0 0.547 269.4
1963.0 0.538 268.7
1964.0 0.529 268.0
1965.0 0.521 267.3
1966.0 0.512 266.5
1967.0 0.503 265.8
1968.0 0.494 265.0
1969.0 0.485 264.2
1970.0 0.476 263.3
1971.0 0.467 262.4
1972.0 0.458 261.5
1973.0 0.449 260.5
1974.0 0.440 259.5
1975.0 0.431 258.5
1976.0 0.422 257.4
1977.0 0.414 256.3
1978.0 0.405 255.1
1979.0 0.396 253.9
1980.0 0.388 252.6
1981.0 0.379 251.3
1982.0 0.371 249.9
1983.0 0.363 248.4
1984.0 0.354 246.9
1985.0 0.347 245.3
1986.0 0.339 243.6
1987.0 0.331 241.8
1988.0 0.324 240.0
1989.0 0.317 238.1
1990.0 0.310 236.1
1991.0 0.304 234.0
1992.0 0.298 231.8
1993.0 0.292 229.6
1994.0 0.287 227.2
1995.0 0.282 224.8
1996.0 0.278 222.3
1997.0 0.274 219.7
1998.0 0.270 217.0
1999.0 0.267 214.3
2000.0 0.265 211.5
2001.0 0.263 208.6
2002.0 0.262 205.8
2003.0 0.261 202.9
2004.0 0.261 200.0
2005.0 0.261 197.1
2006.0 0.262 194.2
2007.0 0.264 191.4
2008.0 0.266 188.6
2009.0 0.269 185.8
2010.0 0.272 183.1
2011.0 0.276 180.5
2012.0 0.280 177.9
2013.0 0.284 175.5
2014.0 0.290 173.1
2015.0 0.295 170.8
2016.0 0.301 168.5
2017.0 0.307 166.4
2018.0 0.313 164.4
2019.0 0.320 162.4
2020.0 0.327 160.5
2021.0 0.334 158.7
2022.0 0.342 157.0
2023.0 0.349 155.3
2024.0 0.357 153.8
2025.0 0.365 152.3
2026.0 0.373 150.8
2027.0 0.381 149.4
2028.0 0.389 148.1
2029.0 0.398 146.8
2030.0 0.406 145.6
2031.0 0.414 144.4
2032.0 0.423 143.3
2033.0 0.431 142.2
2034.0 0.439 141.2
2035.0 0.448 140.2
2036.0 0.456 139.2
2037.0 0.464 138.3
2038.0 0.472 137.4
2039.0 0.481 136.5
2040.0 0.489 135.7
2041.0 0.497 134.9
2042.0 0.505 134.1
2043.0 0.513 133.3
2044.0 0.520 132.6
2045.0 0.528 131.9
2046.0 0.536 131.2
2047.0 0.543 130.5
2048.0 0.550 129.8
2049.0 0.557 129.2
2050.0 0.565 128.6
2051.0 0.571 128.0
2052.0 0.578 127.4
2053.0 0.585 126.8
2054.0 0.591 126.2
2055.0 0.598 125.7
2056.0 0.604 125.1
2057.0 0.610 124.6
2058.0 0.616 124.0
2059.0 0.621 123.5
2060.0 0.627 123.0
2061.0 0.632 122.5
2062.0 0.638 122.0
2063.0 0.643 121.6
2064.0 0.647 121.1
2065.0 0.652 120.6
2066.0 0.657 120.2
2067.0 0.661 119.7
2068.0 0.665 119.3
2069.0 0.669 118.8
2070.0 0.673 118.4
2071.0 0.676 117.9
2072.0 0.680 117.5
2073.0 0.683 117.1
2074.0 0.686 116.7
2075.0 0.689 116.3
2076.0 0.691 115.8
2077.0 0.694 115.4
2078.0 0.696 115.0
2079.0 0.698 114.6
2080.0 0.700 114.2
2081.0 0.702 113.8
2082.0 0.703 113.4
2083.0 0.705 113.0
2084.0 0.706 112.6
2085.0 0.707 112.2
2086.0 0.708 111.8
2087.0 0.708 111.4
2088.0 0.709 111.0
2089.0 0.709 110.7
2090.0 0.709 110.3
2091.0 0.709 109.9
2092.0 0.709 109.5
2093.0 0.709 109.1
2094.0 0.708 108.7
2095.0 0.707 108.3
2096.0 0.707 107.9
2097.0 0.705 107.5
2098.0 0.704 107.1
2099.0 0.703 106.7
2100.0 0.701 106.3
2101.0 0.700 105.9
2102.0 0.698 105.5
2103.0 0.696 105.1
2104.0 0.694 104.7
2105.0 0.692 104.3
2106.0 0.689 103.9
2107.0 0.687 103.5
2108.0 0.684 103.0
2109.0 0.681 102.6
2110.0 0.678 102.2
2111.0 0.675 101.8
2112.0 0.672 101.3
2113.0 0.669 100.9
2114.0 0.665 100.5
2115.0 0.662 100.0
2116.0 0.658 99.6
2117.0 0.654 99.1
2118.0 0.650 98.6
2119.0 0.647 98.2
2120.0 0.642 97.7
2121.0 0.638 97.2
2122.0 0.634 96.7
2123.0 0.630 96.2
2124.0 0.625 95.7
2125.0 0.621 95.2
2126.0 0.616 94.7
2127.0 0.611 94.2
2128.0 0.606 93.6
2129.0 0.602 93.1
2130.0 0.597 92.6
2131.0 0.592 92.0
2132.0 0.587 91.4
2133.0 0.582 90.9
2134.0 0.576 90.3
2135.0 0.571 89.7
2136.0 0.566 89.1
2137.0 0.561 88.4
2138.0 0.555 87.8
2139.0 0.550 87.2
2140.0 0.544 86.5
2141.0 0.539 85.8
2142.0 0.533 85.1
2143.0 0.528 84.4
2144.0 0.522 83.7
2145.0 0.517 83.0
2146.0 0.511 82.3
2147.0 0.506 81.5
2148.0 0.500 80.7
2149.0 0.495 79.9
2150.0 0.489 79.1
2151.0 0.484 78.3
2152.0 0.478 77.4
2153.0 0.473 76.6
2154.0 0.467 75.7
2155.0 0.462 74.7
2156.0 0.457 73.8
2157.0 0.451 72.9
2158.0 0.446 71.9
2159.0 0.441 70.9
2160.0 0.436 69.9
2161.0 0.431 68.8
2162.0 0.426 67.7
2163.0 0.421 66.6
2164.0 0.416 65.5
2165.0 0.411 64.3
2166.0 0.407 63.2
2167.0 0.402 62.0
2168.0 0.398 60.7
2169.0 0.394 59.5
2170.0 0.390 58.2
2171.0 0.386 56.9
2172.0 0.382 55.5
2173.0 0.378 54.2
2174.0 0.375 52.8
2175.0 0.371 51.4
2176.0 0.368 49.9
2177.0 0.365 48.5
2178.0 0.363 47.0
2179.0 0.360 45.5
2180.0 0.358 43.9
2181.0 0.355 42.4
2182.0 0.354 40.8
2183.0 0.352 39.2
2184.0 0.350 37.6
2185.0 0.349 36.0
2186.0 0.348 34.4
2187.0 0.347 32.8
2188.0 0.347 31.1
2189.0 0.346 29.5
2190.0 0.346 27.9
2191.0 0.346 26.2
2192.0 0.347 24.6
2193.0 0.347 22.9
2194.0 0.348 21.3
2195.0 0.349 19.7
2196.0 0.351 18.1
2197.0 0.352 16.5
2198.0 0.354 14.9
2199.0 0.356 13.3
2200.0 0.358 11.8
2201.0 0.361 10.3
2202.0 0.363 8.8
2203.0 0.366 7.3
2204.0 0.369 5.8
2205.0 0.372 4.4
2206.0 0.376 3.0
2207.0 0.379 1.6
2208.0 0.383 0.2
2209.0 0.387 358.9
2210.0 0.391 357.6
2211.0 0.395 356.3
2212.0 0.400 355.1
2213.0 0.404 353.9
2214.0 0.409 352.7
2215.0 0.413 351.5
2216.0 0.418 350.4
2217.0 0.423 349.3
2218.0 0.428 348.2
2219.0 0.434 347.1
2220.0 0.439 346.1
2221.0 0.444 345.1
2222.0 0.450 344.1
2223.0 0.455 343.1
2224.0 0.461 342.2
2225.0 0.467 341.3
2226.0 0.472 340.4
2227.0 0.478 339.5
2228.0 0.484 338.7
2229.0 0.490 337.8
2230.0 0.496 337.0
2231.0 0.502 336.2
2232.0 0.508 335.4
2233.0 0.514 334.7
2234.0 0.520 334.0
2235.0 0.526 333.2
2236.0 0.532 332.5
2237.0 0.538 331.8
2238.0 0.545 331.2
2239.0 0.551 330.5
2240.0 0.557 329.9
2241.0 0.563 329.2
2242.0 0.569 328.6
2243.0 0.576 328.0
2244.0 0.582 327.4
2245.0 0.588 326.9
2246.0 0.594 326.3
2247.0 0.601 325.8
2248.0 0.607 325.2
2249.0 0.613 324.7
2250.0 0.619 324.2
2251.0 0.625 323.7
2252.0 0.631 323.2
2253.0 0.637 322.7
2254.0 0.644 322.2
2255.0 0.650 321.7
2256.0 0.656 321.3
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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