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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:20:09
WDS:
BU343AB
WDS ID/Discoverer
P:
254.800
Orbital period (years)
a:
1.0709
Semi-major axis (arcseconds)
i:
135.4
Inclination (degrees)
Ω:
187.2
Longitude of ascending node (degrees)
T:
1996.360
Epoch of periastron passage (year)
e:
0.646
Eccentricity
ω:
242.9
Longitude of periastron (degrees)
Start-Year:
1898.0
Year
End-Year:
2152.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
135200.97-313709.2
Epoch-2000 right ascension and declination
WDS-ID:
13520-3137
WDS designation
Discoverer Code:
BU343AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
120759
HD catalog number
Hipparcos number:
67696
Hipparcos catalog number
V1:
6.26
Magnitude of the primary
V2:
8.91
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
3
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 0.909 185.8
-------------------------
1898.0 1.248 118.1
1899.0 1.242 117.6
1900.0 1.237 117.0
1901.0 1.231 116.4
1902.0 1.225 115.8
1903.0 1.219 115.2
1904.0 1.214 114.7
1905.0 1.208 114.1
1906.0 1.202 113.4
1907.0 1.195 112.8
1908.0 1.189 112.2
1909.0 1.183 111.6
1910.0 1.177 111.0
1911.0 1.170 110.3
1912.0 1.164 109.7
1913.0 1.158 109.0
1914.0 1.151 108.4
1915.0 1.145 107.7
1916.0 1.138 107.0
1917.0 1.131 106.3
1918.0 1.125 105.6
1919.0 1.118 104.9
1920.0 1.111 104.2
1921.0 1.104 103.5
1922.0 1.097 102.8
1923.0 1.090 102.0
1924.0 1.083 101.3
1925.0 1.076 100.5
1926.0 1.069 99.8
1927.0 1.062 99.0
1928.0 1.055 98.2
1929.0 1.048 97.4
1930.0 1.040 96.6
1931.0 1.033 95.8
1932.0 1.026 95.0
1933.0 1.018 94.1
1934.0 1.011 93.3
1935.0 1.003 92.4
1936.0 0.996 91.5
1937.0 0.988 90.6
1938.0 0.981 89.7
1939.0 0.973 88.8
1940.0 0.966 87.8
1941.0 0.958 86.9
1942.0 0.950 85.9
1943.0 0.943 84.9
1944.0 0.935 83.9
1945.0 0.927 82.9
1946.0 0.919 81.9
1947.0 0.911 80.8
1948.0 0.904 79.8
1949.0 0.896 78.7
1950.0 0.888 77.6
1951.0 0.880 76.5
1952.0 0.872 75.3
1953.0 0.864 74.1
1954.0 0.856 72.9
1955.0 0.847 71.7
1956.0 0.839 70.5
1957.0 0.831 69.2
1958.0 0.823 67.9
1959.0 0.814 66.6
1960.0 0.806 65.3
1961.0 0.798 63.9
1962.0 0.789 62.5
1963.0 0.780 61.1
1964.0 0.772 59.6
1965.0 0.763 58.1
1966.0 0.754 56.6
1967.0 0.745 55.0
1968.0 0.736 53.4
1969.0 0.726 51.8
1970.0 0.717 50.1
1971.0 0.707 48.3
1972.0 0.697 46.6
1973.0 0.687 44.7
1974.0 0.677 42.8
1975.0 0.666 40.9
1976.0 0.655 38.9
1977.0 0.644 36.8
1978.0 0.632 34.6
1979.0 0.619 32.4
1980.0 0.607 30.0
1981.0 0.593 27.6
1982.0 0.579 25.0
1983.0 0.564 22.3
1984.0 0.548 19.5
1985.0 0.532 16.4
1986.0 0.514 13.2
1987.0 0.496 9.8
1988.0 0.476 6.0
1989.0 0.455 2.0
1990.0 0.433 357.5
1991.0 0.411 352.6
1992.0 0.387 347.0
1993.0 0.364 340.8
1994.0 0.341 333.7
1995.0 0.320 325.6
1996.0 0.301 316.5
1997.0 0.288 306.3
1998.0 0.280 295.3
1999.0 0.279 284.0
2000.0 0.286 272.9
2001.0 0.299 262.5
2002.0 0.318 253.2
2003.0 0.341 245.1
2004.0 0.367 238.0
2005.0 0.396 232.0
2006.0 0.425 226.7
2007.0 0.455 222.2
2008.0 0.486 218.2
2009.0 0.516 214.7
2010.0 0.545 211.5
2011.0 0.575 208.7
2012.0 0.603 206.2
2013.0 0.631 203.9
2014.0 0.658 201.8
2015.0 0.684 199.8
2016.0 0.710 198.0
2017.0 0.735 196.3
2018.0 0.759 194.7
2019.0 0.782 193.2
2020.0 0.805 191.8
2021.0 0.827 190.5
2022.0 0.848 189.3
2023.0 0.869 188.1
2024.0 0.889 186.9
2025.0 0.909 185.8
2026.0 0.927 184.8
2027.0 0.946 183.8
2028.0 0.963 182.8
2029.0 0.981 181.9
2030.0 0.997 181.0
2031.0 1.013 180.1
2032.0 1.029 179.3
2033.0 1.044 178.5
2034.0 1.059 177.7
2035.0 1.073 176.9
2036.0 1.087 176.1
2037.0 1.101 175.4
2038.0 1.114 174.7
2039.0 1.127 174.0
2040.0 1.139 173.3
2041.0 1.151 172.6
2042.0 1.163 172.0
2043.0 1.174 171.3
2044.0 1.185 170.7
2045.0 1.195 170.1
2046.0 1.205 169.4
2047.0 1.215 168.8
2048.0 1.225 168.2
2049.0 1.234 167.7
2050.0 1.243 167.1
2051.0 1.252 166.5
2052.0 1.260 166.0
2053.0 1.269 165.4
2054.0 1.277 164.9
2055.0 1.284 164.3
2056.0 1.292 163.8
2057.0 1.299 163.3
2058.0 1.306 162.8
2059.0 1.312 162.2
2060.0 1.319 161.7
2061.0 1.325 161.2
2062.0 1.331 160.7
2063.0 1.336 160.2
2064.0 1.342 159.7
2065.0 1.347 159.3
2066.0 1.352 158.8
2067.0 1.357 158.3
2068.0 1.362 157.8
2069.0 1.366 157.3
2070.0 1.371 156.9
2071.0 1.375 156.4
2072.0 1.378 155.9
2073.0 1.382 155.5
2074.0 1.386 155.0
2075.0 1.389 154.6
2076.0 1.392 154.1
2077.0 1.395 153.7
2078.0 1.398 153.2
2079.0 1.401 152.8
2080.0 1.403 152.3
2081.0 1.405 151.9
2082.0 1.407 151.4
2083.0 1.409 151.0
2084.0 1.411 150.5
2085.0 1.413 150.1
2086.0 1.414 149.6
2087.0 1.416 149.2
2088.0 1.417 148.8
2089.0 1.418 148.3
2090.0 1.419 147.9
2091.0 1.420 147.5
2092.0 1.420 147.0
2093.0 1.421 146.6
2094.0 1.421 146.1
2095.0 1.421 145.7
2096.0 1.422 145.3
2097.0 1.421 144.8
2098.0 1.421 144.4
2099.0 1.421 144.0
2100.0 1.421 143.5
2101.0 1.420 143.1
2102.0 1.419 142.7
2103.0 1.418 142.2
2104.0 1.418 141.8
2105.0 1.416 141.3
2106.0 1.415 140.9
2107.0 1.414 140.5
2108.0 1.413 140.0
2109.0 1.411 139.6
2110.0 1.409 139.1
2111.0 1.408 138.7
2112.0 1.406 138.2
2113.0 1.404 137.8
2114.0 1.402 137.4
2115.0 1.400 136.9
2116.0 1.397 136.5
2117.0 1.395 136.0
2118.0 1.392 135.6
2119.0 1.390 135.1
2120.0 1.387 134.6
2121.0 1.384 134.2
2122.0 1.381 133.7
2123.0 1.378 133.3
2124.0 1.375 132.8
2125.0 1.372 132.3
2126.0 1.369 131.9
2127.0 1.365 131.4
2128.0 1.362 130.9
2129.0 1.358 130.4
2130.0 1.354 130.0
2131.0 1.351 129.5
2132.0 1.347 129.0
2133.0 1.343 128.5
2134.0 1.339 128.0
2135.0 1.335 127.5
2136.0 1.331 127.0
2137.0 1.326 126.5
2138.0 1.322 126.0
2139.0 1.317 125.5
2140.0 1.313 125.0
2141.0 1.308 124.5
2142.0 1.304 124.0
2143.0 1.299 123.5
2144.0 1.294 122.9
2145.0 1.289 122.4
2146.0 1.284 121.9
2147.0 1.279 121.3
2148.0 1.274 120.8
2149.0 1.269 120.3
2150.0 1.263 119.7
2151.0 1.258 119.2
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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