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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:43:22
WDS:
HU1325
WDS ID/Discoverer
P:
318.800
Orbital period (years)
a:
0.86
Semi-major axis (arcseconds)
i:
17.9
Inclination (degrees)
Ω:
173.5
Longitude of ascending node (degrees)
T:
1953.510
Epoch of periastron passage (year)
e:
0.423
Eccentricity
ω:
99.9
Longitude of periastron (degrees)
Start-Year:
1866.0
Year
End-Year:
2184.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
234006.04+125804.5
Epoch-2000 right ascension and declination
WDS-ID:
23401+1258
WDS designation
Discoverer Code:
HU1325
Discover designation and components
ADS number:
16914
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
116787
Hipparcos catalog number
V1:
9.81
Magnitude of the primary
V2:
10.01
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:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.925 39.3
-------------------------
1866.0 1.021 135.3
1867.0 1.016 136.0
1868.0 1.012 136.7
1869.0 1.007 137.4
1870.0 1.002 138.1
1871.0 0.998 138.8
1872.0 0.993 139.5
1873.0 0.988 140.3
1874.0 0.983 141.0
1875.0 0.978 141.8
1876.0 0.973 142.5
1877.0 0.967 143.3
1878.0 0.962 144.1
1879.0 0.957 144.8
1880.0 0.951 145.6
1881.0 0.946 146.4
1882.0 0.940 147.2
1883.0 0.934 148.1
1884.0 0.928 148.9
1885.0 0.923 149.7
1886.0 0.917 150.6
1887.0 0.910 151.5
1888.0 0.904 152.3
1889.0 0.898 153.2
1890.0 0.892 154.1
1891.0 0.885 155.0
1892.0 0.879 155.9
1893.0 0.872 156.9
1894.0 0.866 157.8
1895.0 0.859 158.8
1896.0 0.852 159.8
1897.0 0.845 160.8
1898.0 0.838 161.8
1899.0 0.831 162.8
1900.0 0.824 163.9
1901.0 0.817 165.0
1902.0 0.810 166.1
1903.0 0.802 167.2
1904.0 0.795 168.3
1905.0 0.787 169.4
1906.0 0.780 170.6
1907.0 0.772 171.8
1908.0 0.764 173.0
1909.0 0.757 174.3
1910.0 0.749 175.5
1911.0 0.741 176.8
1912.0 0.733 178.2
1913.0 0.725 179.5
1914.0 0.717 180.9
1915.0 0.709 182.3
1916.0 0.700 183.8
1917.0 0.692 185.3
1918.0 0.684 186.8
1919.0 0.676 188.3
1920.0 0.667 189.9
1921.0 0.659 191.6
1922.0 0.650 193.3
1923.0 0.642 195.0
1924.0 0.634 196.8
1925.0 0.625 198.6
1926.0 0.617 200.4
1927.0 0.609 202.4
1928.0 0.601 204.3
1929.0 0.593 206.3
1930.0 0.585 208.4
1931.0 0.577 210.6
1932.0 0.569 212.8
1933.0 0.561 215.0
1934.0 0.554 217.3
1935.0 0.546 219.7
1936.0 0.539 222.2
1937.0 0.532 224.7
1938.0 0.526 227.2
1939.0 0.519 229.9
1940.0 0.513 232.6
1941.0 0.507 235.4
1942.0 0.502 238.2
1943.0 0.497 241.1
1944.0 0.492 244.0
1945.0 0.488 247.0
1946.0 0.485 250.0
1947.0 0.481 253.1
1948.0 0.479 256.3
1949.0 0.476 259.4
1950.0 0.475 262.6
1951.0 0.474 265.8
1952.0 0.473 269.0
1953.0 0.473 272.3
1954.0 0.473 275.5
1955.0 0.474 278.7
1956.0 0.476 281.9
1957.0 0.478 285.0
1958.0 0.480 288.2
1959.0 0.483 291.3
1960.0 0.487 294.3
1961.0 0.491 297.4
1962.0 0.495 300.3
1963.0 0.500 303.2
1964.0 0.505 306.1
1965.0 0.510 308.9
1966.0 0.516 311.6
1967.0 0.522 314.3
1968.0 0.528 316.9
1969.0 0.534 319.5
1970.0 0.541 322.0
1971.0 0.548 324.4
1972.0 0.555 326.8
1973.0 0.562 329.1
1974.0 0.569 331.3
1975.0 0.577 333.5
1976.0 0.584 335.7
1977.0 0.592 337.7
1978.0 0.600 339.8
1979.0 0.607 341.8
1980.0 0.615 343.7
1981.0 0.623 345.6
1982.0 0.631 347.4
1983.0 0.639 349.2
1984.0 0.646 350.9
1985.0 0.654 352.6
1986.0 0.662 354.3
1987.0 0.670 355.9
1988.0 0.677 357.5
1989.0 0.685 359.1
1990.0 0.693 0.6
1991.0 0.701 2.1
1992.0 0.708 3.5
1993.0 0.716 4.9
1994.0 0.723 6.3
1995.0 0.731 7.7
1996.0 0.738 9.0
1997.0 0.745 10.3
1998.0 0.753 11.6
1999.0 0.760 12.9
2000.0 0.767 14.1
2001.0 0.774 15.3
2002.0 0.781 16.5
2003.0 0.788 17.7
2004.0 0.795 18.8
2005.0 0.802 19.9
2006.0 0.809 21.1
2007.0 0.816 22.2
2008.0 0.822 23.2
2009.0 0.829 24.3
2010.0 0.835 25.3
2011.0 0.842 26.3
2012.0 0.848 27.4
2013.0 0.855 28.3
2014.0 0.861 29.3
2015.0 0.867 30.3
2016.0 0.873 31.2
2017.0 0.879 32.2
2018.0 0.885 33.1
2019.0 0.891 34.0
2020.0 0.897 34.9
2021.0 0.903 35.8
2022.0 0.908 36.7
2023.0 0.914 37.6
2024.0 0.919 38.4
2025.0 0.925 39.3
2026.0 0.930 40.1
2027.0 0.936 40.9
2028.0 0.941 41.7
2029.0 0.946 42.6
2030.0 0.951 43.4
2031.0 0.956 44.1
2032.0 0.962 44.9
2033.0 0.966 45.7
2034.0 0.971 46.5
2035.0 0.976 47.2
2036.0 0.981 48.0
2037.0 0.986 48.7
2038.0 0.990 49.5
2039.0 0.995 50.2
2040.0 0.999 50.9
2041.0 1.004 51.6
2042.0 1.008 52.3
2043.0 1.013 53.1
2044.0 1.017 53.8
2045.0 1.021 54.4
2046.0 1.025 55.1
2047.0 1.029 55.8
2048.0 1.033 56.5
2049.0 1.037 57.2
2050.0 1.041 57.8
2051.0 1.045 58.5
2052.0 1.049 59.2
2053.0 1.052 59.8
2054.0 1.056 60.5
2055.0 1.059 61.1
2056.0 1.063 61.7
2057.0 1.066 62.4
2058.0 1.070 63.0
2059.0 1.073 63.6
2060.0 1.076 64.3
2061.0 1.080 64.9
2062.0 1.083 65.5
2063.0 1.086 66.1
2064.0 1.089 66.7
2065.0 1.092 67.3
2066.0 1.095 67.9
2067.0 1.098 68.5
2068.0 1.100 69.1
2069.0 1.103 69.7
2070.0 1.106 70.3
2071.0 1.108 70.9
2072.0 1.111 71.5
2073.0 1.113 72.1
2074.0 1.116 72.6
2075.0 1.118 73.2
2076.0 1.121 73.8
2077.0 1.123 74.4
2078.0 1.125 74.9
2079.0 1.127 75.5
2080.0 1.129 76.1
2081.0 1.131 76.6
2082.0 1.133 77.2
2083.0 1.135 77.7
2084.0 1.137 78.3
2085.0 1.139 78.9
2086.0 1.141 79.4
2087.0 1.142 80.0
2088.0 1.144 80.5
2089.0 1.146 81.1
2090.0 1.147 81.6
2091.0 1.149 82.2
2092.0 1.150 82.7
2093.0 1.151 83.3
2094.0 1.153 83.8
2095.0 1.154 84.3
2096.0 1.155 84.9
2097.0 1.156 85.4
2098.0 1.157 86.0
2099.0 1.158 86.5
2100.0 1.159 87.0
2101.0 1.160 87.6
2102.0 1.161 88.1
2103.0 1.162 88.6
2104.0 1.162 89.2
2105.0 1.163 89.7
2106.0 1.164 90.2
2107.0 1.164 90.8
2108.0 1.165 91.3
2109.0 1.165 91.8
2110.0 1.166 92.4
2111.0 1.166 92.9
2112.0 1.166 93.4
2113.0 1.166 93.9
2114.0 1.166 94.5
2115.0 1.167 95.0
2116.0 1.167 95.5
2117.0 1.167 96.1
2118.0 1.167 96.6
2119.0 1.166 97.1
2120.0 1.166 97.6
2121.0 1.166 98.2
2122.0 1.166 98.7
2123.0 1.165 99.2
2124.0 1.165 99.8
2125.0 1.164 100.3
2126.0 1.164 100.8
2127.0 1.163 101.4
2128.0 1.162 101.9
2129.0 1.162 102.4
2130.0 1.161 103.0
2131.0 1.160 103.5
2132.0 1.159 104.0
2133.0 1.158 104.6
2134.0 1.157 105.1
2135.0 1.156 105.6
2136.0 1.155 106.2
2137.0 1.154 106.7
2138.0 1.152 107.3
2139.0 1.151 107.8
2140.0 1.150 108.4
2141.0 1.148 108.9
2142.0 1.147 109.4
2143.0 1.145 110.0
2144.0 1.144 110.5
2145.0 1.142 111.1
2146.0 1.140 111.6
2147.0 1.138 112.2
2148.0 1.136 112.8
2149.0 1.134 113.3
2150.0 1.132 113.9
2151.0 1.130 114.4
2152.0 1.128 115.0
2153.0 1.126 115.6
2154.0 1.124 116.1
2155.0 1.121 116.7
2156.0 1.119 117.3
2157.0 1.117 117.9
2158.0 1.114 118.4
2159.0 1.111 119.0
2160.0 1.109 119.6
2161.0 1.106 120.2
2162.0 1.103 120.8
2163.0 1.100 121.4
2164.0 1.097 122.0
2165.0 1.094 122.6
2166.0 1.091 123.2
2167.0 1.088 123.8
2168.0 1.085 124.4
2169.0 1.082 125.0
2170.0 1.079 125.6
2171.0 1.075 126.2
2172.0 1.072 126.9
2173.0 1.068 127.5
2174.0 1.064 128.1
2175.0 1.061 128.8
2176.0 1.057 129.4
2177.0 1.053 130.1
2178.0 1.049 130.7
2179.0 1.045 131.4
2180.0 1.041 132.0
2181.0 1.037 132.7
2182.0 1.033 133.4
2183.0 1.029 134.0
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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