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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:19:15
WDS:
A647
WDS ID/Discoverer
P:
372.700
Orbital period (years)
a:
0.947
Semi-major axis (arcseconds)
i:
122.0
Inclination (degrees)
Ω:
39.4
Longitude of ascending node (degrees)
T:
1876.010
Epoch of periastron passage (year)
e:
0.292
Eccentricity
ω:
136.8
Longitude of periastron (degrees)
Start-Year:
1839.0
Year
End-Year:
2211.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
002033.00+453032.2
Epoch-2000 right ascension and declination
WDS-ID:
00205+4531
WDS designation
Discoverer Code:
A647
Discover designation and components
ADS number:
277
Aitken Double Star catalog
HD number:
1614
HD catalog number
Hipparcos number:
1642
Hipparcos catalog number
V1:
7.17
Magnitude of the primary
V2:
9.56
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2006
Date of last observation
Orbit grade:
5
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 0.768 87.1
-------------------------
1839.0 0.440 337.1
1840.0 0.431 334.7
1841.0 0.423 332.3
1842.0 0.416 329.8
1843.0 0.409 327.3
1844.0 0.403 324.6
1845.0 0.398 321.9
1846.0 0.393 319.1
1847.0 0.389 316.2
1848.0 0.386 313.3
1849.0 0.383 310.3
1850.0 0.381 307.3
1851.0 0.381 304.3
1852.0 0.380 301.2
1853.0 0.381 298.2
1854.0 0.383 295.2
1855.0 0.385 292.2
1856.0 0.388 289.3
1857.0 0.392 286.4
1858.0 0.396 283.5
1859.0 0.402 280.8
1860.0 0.407 278.1
1861.0 0.414 275.5
1862.0 0.420 273.0
1863.0 0.428 270.5
1864.0 0.436 268.2
1865.0 0.444 265.9
1866.0 0.452 263.7
1867.0 0.461 261.6
1868.0 0.470 259.6
1869.0 0.479 257.6
1870.0 0.488 255.8
1871.0 0.498 253.9
1872.0 0.508 252.2
1873.0 0.517 250.5
1874.0 0.527 248.9
1875.0 0.536 247.4
1876.0 0.546 245.9
1877.0 0.555 244.4
1878.0 0.565 243.0
1879.0 0.574 241.7
1880.0 0.583 240.4
1881.0 0.592 239.1
1882.0 0.601 237.8
1883.0 0.609 236.6
1884.0 0.617 235.5
1885.0 0.626 234.3
1886.0 0.633 233.2
1887.0 0.641 232.2
1888.0 0.648 231.1
1889.0 0.655 230.1
1890.0 0.662 229.1
1891.0 0.668 228.1
1892.0 0.675 227.1
1893.0 0.680 226.1
1894.0 0.686 225.2
1895.0 0.691 224.3
1896.0 0.696 223.4
1897.0 0.701 222.5
1898.0 0.705 221.6
1899.0 0.709 220.7
1900.0 0.713 219.8
1901.0 0.716 219.0
1902.0 0.719 218.1
1903.0 0.722 217.3
1904.0 0.724 216.4
1905.0 0.726 215.6
1906.0 0.728 214.8
1907.0 0.729 213.9
1908.0 0.731 213.1
1909.0 0.732 212.3
1910.0 0.732 211.5
1911.0 0.733 210.6
1912.0 0.733 209.8
1913.0 0.733 209.0
1914.0 0.732 208.2
1915.0 0.732 207.4
1916.0 0.731 206.6
1917.0 0.730 205.7
1918.0 0.729 204.9
1919.0 0.727 204.1
1920.0 0.725 203.2
1921.0 0.724 202.4
1922.0 0.721 201.6
1923.0 0.719 200.7
1924.0 0.717 199.9
1925.0 0.714 199.0
1926.0 0.711 198.1
1927.0 0.708 197.3
1928.0 0.705 196.4
1929.0 0.702 195.5
1930.0 0.699 194.6
1931.0 0.696 193.7
1932.0 0.692 192.8
1933.0 0.688 191.9
1934.0 0.685 190.9
1935.0 0.681 190.0
1936.0 0.677 189.1
1937.0 0.673 188.1
1938.0 0.669 187.1
1939.0 0.665 186.1
1940.0 0.661 185.1
1941.0 0.657 184.1
1942.0 0.653 183.1
1943.0 0.649 182.1
1944.0 0.645 181.0
1945.0 0.641 180.0
1946.0 0.637 178.9
1947.0 0.633 177.8
1948.0 0.629 176.7
1949.0 0.625 175.6
1950.0 0.622 174.4
1951.0 0.618 173.3
1952.0 0.614 172.1
1953.0 0.610 171.0
1954.0 0.607 169.8
1955.0 0.604 168.6
1956.0 0.600 167.4
1957.0 0.597 166.2
1958.0 0.594 164.9
1959.0 0.591 163.7
1960.0 0.588 162.4
1961.0 0.585 161.1
1962.0 0.583 159.8
1963.0 0.580 158.5
1964.0 0.578 157.2
1965.0 0.576 155.9
1966.0 0.574 154.6
1967.0 0.572 153.2
1968.0 0.571 151.9
1969.0 0.569 150.6
1970.0 0.568 149.2
1971.0 0.567 147.8
1972.0 0.566 146.5
1973.0 0.566 145.1
1974.0 0.565 143.7
1975.0 0.565 142.3
1976.0 0.565 141.0
1977.0 0.565 139.6
1978.0 0.566 138.2
1979.0 0.566 136.9
1980.0 0.567 135.5
1981.0 0.568 134.1
1982.0 0.570 132.8
1983.0 0.571 131.4
1984.0 0.573 130.1
1985.0 0.575 128.7
1986.0 0.577 127.4
1987.0 0.579 126.1
1988.0 0.582 124.8
1989.0 0.584 123.5
1990.0 0.587 122.2
1991.0 0.590 121.0
1992.0 0.593 119.7
1993.0 0.597 118.5
1994.0 0.600 117.2
1995.0 0.604 116.0
1996.0 0.608 114.8
1997.0 0.612 113.7
1998.0 0.616 112.5
1999.0 0.620 111.3
2000.0 0.625 110.2
2001.0 0.630 109.1
2002.0 0.634 108.0
2003.0 0.639 106.9
2004.0 0.644 105.8
2005.0 0.649 104.8
2006.0 0.655 103.8
2007.0 0.660 102.7
2008.0 0.665 101.7
2009.0 0.671 100.8
2010.0 0.677 99.8
2011.0 0.682 98.8
2012.0 0.688 97.9
2013.0 0.694 97.0
2014.0 0.700 96.1
2015.0 0.706 95.2
2016.0 0.712 94.3
2017.0 0.718 93.5
2018.0 0.724 92.6
2019.0 0.730 91.8
2020.0 0.737 91.0
2021.0 0.743 90.2
2022.0 0.749 89.4
2023.0 0.756 88.6
2024.0 0.762 87.8
2025.0 0.768 87.1
2026.0 0.775 86.4
2027.0 0.781 85.6
2028.0 0.788 84.9
2029.0 0.794 84.2
2030.0 0.801 83.5
2031.0 0.807 82.9
2032.0 0.814 82.2
2033.0 0.820 81.5
2034.0 0.827 80.9
2035.0 0.833 80.2
2036.0 0.840 79.6
2037.0 0.846 79.0
2038.0 0.852 78.4
2039.0 0.859 77.8
2040.0 0.865 77.2
2041.0 0.871 76.6
2042.0 0.878 76.0
2043.0 0.884 75.5
2044.0 0.890 74.9
2045.0 0.897 74.4
2046.0 0.903 73.8
2047.0 0.909 73.3
2048.0 0.915 72.8
2049.0 0.921 72.2
2050.0 0.927 71.7
2051.0 0.933 71.2
2052.0 0.939 70.7
2053.0 0.945 70.2
2054.0 0.950 69.7
2055.0 0.956 69.2
2056.0 0.962 68.8
2057.0 0.967 68.3
2058.0 0.973 67.8
2059.0 0.978 67.4
2060.0 0.984 66.9
2061.0 0.989 66.5
2062.0 0.994 66.0
2063.0 1.000 65.6
2064.0 1.005 65.1
2065.0 1.010 64.7
2066.0 1.015 64.3
2067.0 1.020 63.9
2068.0 1.024 63.4
2069.0 1.029 63.0
2070.0 1.034 62.6
2071.0 1.038 62.2
2072.0 1.043 61.8
2073.0 1.047 61.4
2074.0 1.052 61.0
2075.0 1.056 60.6
2076.0 1.060 60.2
2077.0 1.064 59.8
2078.0 1.068 59.4
2079.0 1.072 59.0
2080.0 1.076 58.7
2081.0 1.079 58.3
2082.0 1.083 57.9
2083.0 1.086 57.5
2084.0 1.090 57.2
2085.0 1.093 56.8
2086.0 1.096 56.4
2087.0 1.099 56.1
2088.0 1.102 55.7
2089.0 1.105 55.3
2090.0 1.108 55.0
2091.0 1.110 54.6
2092.0 1.113 54.3
2093.0 1.115 53.9
2094.0 1.117 53.6
2095.0 1.120 53.2
2096.0 1.122 52.9
2097.0 1.124 52.5
2098.0 1.125 52.2
2099.0 1.127 51.8
2100.0 1.129 51.5
2101.0 1.130 51.1
2102.0 1.131 50.8
2103.0 1.133 50.4
2104.0 1.134 50.1
2105.0 1.135 49.8
2106.0 1.136 49.4
2107.0 1.136 49.1
2108.0 1.137 48.7
2109.0 1.137 48.4
2110.0 1.138 48.1
2111.0 1.138 47.7
2112.0 1.138 47.4
2113.0 1.138 47.0
2114.0 1.138 46.7
2115.0 1.137 46.4
2116.0 1.137 46.0
2117.0 1.136 45.7
2118.0 1.136 45.3
2119.0 1.135 45.0
2120.0 1.134 44.7
2121.0 1.132 44.3
2122.0 1.131 44.0
2123.0 1.130 43.6
2124.0 1.128 43.3
2125.0 1.126 42.9
2126.0 1.124 42.6
2127.0 1.122 42.3
2128.0 1.120 41.9
2129.0 1.118 41.6
2130.0 1.115 41.2
2131.0 1.113 40.8
2132.0 1.110 40.5
2133.0 1.107 40.1
2134.0 1.104 39.8
2135.0 1.101 39.4
2136.0 1.097 39.0
2137.0 1.094 38.7
2138.0 1.090 38.3
2139.0 1.086 37.9
2140.0 1.082 37.6
2141.0 1.078 37.2
2142.0 1.073 36.8
2143.0 1.069 36.4
2144.0 1.064 36.0
2145.0 1.059 35.7
2146.0 1.054 35.3
2147.0 1.049 34.9
2148.0 1.044 34.5
2149.0 1.038 34.1
2150.0 1.033 33.7
2151.0 1.027 33.2
2152.0 1.021 32.8
2153.0 1.015 32.4
2154.0 1.008 32.0
2155.0 1.002 31.5
2156.0 0.995 31.1
2157.0 0.989 30.6
2158.0 0.982 30.2
2159.0 0.974 29.7
2160.0 0.967 29.3
2161.0 0.960 28.8
2162.0 0.952 28.3
2163.0 0.944 27.8
2164.0 0.936 27.3
2165.0 0.928 26.8
2166.0 0.920 26.3
2167.0 0.911 25.8
2168.0 0.903 25.3
2169.0 0.894 24.7
2170.0 0.885 24.2
2171.0 0.876 23.6
2172.0 0.867 23.0
2173.0 0.857 22.4
2174.0 0.848 21.8
2175.0 0.838 21.2
2176.0 0.828 20.6
2177.0 0.818 19.9
2178.0 0.808 19.3
2179.0 0.798 18.6
2180.0 0.787 17.9
2181.0 0.777 17.2
2182.0 0.766 16.4
2183.0 0.755 15.7
2184.0 0.745 14.9
2185.0 0.734 14.1
2186.0 0.722 13.2
2187.0 0.711 12.4
2188.0 0.700 11.5
2189.0 0.689 10.6
2190.0 0.677 9.7
2191.0 0.666 8.7
2192.0 0.654 7.7
2193.0 0.643 6.6
2194.0 0.631 5.5
2195.0 0.619 4.4
2196.0 0.608 3.3
2197.0 0.596 2.0
2198.0 0.584 0.8
2199.0 0.573 359.5
2200.0 0.561 358.1
2201.0 0.550 356.7
2202.0 0.539 355.2
2203.0 0.527 353.7
2204.0 0.516 352.0
2205.0 0.505 350.4
2206.0 0.495 348.6
2207.0 0.484 346.8
2208.0 0.474 344.9
2209.0 0.464 342.9
2210.0 0.455 340.8
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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