Double Star Calculator - Orbit

Orbital Elements for BU343AB
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: 1897.6 Year
End-Year: 2152.4 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU343AB
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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2020e Reference

Double Star Orbit for BU343AB



WDS 6th Orbit including measures of BU343AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of BU343AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.937   184.28
--------------------------
1897.60    1.250   118.37
1898.60    1.245   117.80
1899.60    1.239   117.23
1900.60    1.233   116.65
1901.60    1.228   116.07
1902.60    1.222   115.48
1903.60    1.216   114.89
1904.60    1.210   114.29
1905.60    1.204   113.69
1906.60    1.198   113.08
1907.60    1.192   112.46
1908.60    1.186   111.84
1909.60    1.179   111.21
1910.60    1.173   110.57
1911.60    1.167   109.93
1912.60    1.160   109.28
1913.60    1.154   108.62
1914.60    1.147   107.95
1915.60    1.141   107.28
1916.60    1.134   106.60
1917.60    1.127   105.91
1918.60    1.120   105.21
1919.60    1.114   104.51
1920.60    1.107   103.79
1921.60    1.100   103.07
1922.60    1.093   102.34
1923.60    1.086   101.60
1924.60    1.079   100.84
1925.60    1.072   100.08
1926.60    1.065    99.31
1927.60    1.058    98.53
1928.60    1.050    97.74
1929.60    1.043    96.93
1930.60    1.036    96.12
1931.60    1.029    95.29
1932.60    1.021    94.45
1933.60    1.014    93.60
1934.60    1.006    92.74
1935.60    0.999    91.86
1936.60    0.991    90.97
1937.60    0.984    90.07
1938.60    0.976    89.15
1939.60    0.969    88.22
1940.60    0.961    87.28
1941.60    0.953    86.32
1942.60    0.946    85.34
1943.60    0.938    84.35
1944.60    0.930    83.34
1945.60    0.922    82.31
1946.60    0.915    81.27
1947.60    0.907    80.21
1948.60    0.899    79.13
1949.60    0.891    78.03
1950.60    0.883    76.91
1951.60    0.875    75.77
1952.60    0.867    74.61
1953.60    0.859    73.42
1954.60    0.851    72.22
1955.60    0.843    70.99
1956.60    0.834    69.74
1957.60    0.826    68.46
1958.60    0.818    67.16
1959.60    0.809    65.83
1960.60    0.801    64.47
1961.60    0.793    63.08
1962.60    0.784    61.66
1963.60    0.775    60.21
1964.60    0.766    58.73
1965.60    0.758    57.21
1966.60    0.749    55.66
1967.60    0.740    54.07
1968.60    0.730    52.44
1969.60    0.721    50.77
1970.60    0.711    49.05
1971.60    0.701    47.28
1972.60    0.691    45.47
1973.60    0.681    43.60
1974.60    0.670    41.67
1975.60    0.660    39.68
1976.60    0.648    37.62
1977.60    0.637    35.48
1978.60    0.624    33.27
1979.60    0.612    30.96
1980.60    0.599    28.56
1981.60    0.585    26.04
1982.60    0.570    23.40
1983.60    0.555    20.62
1984.60    0.539    17.67
1985.60    0.521    14.54
1986.60    0.503    11.19
1987.60    0.484     7.57
1988.60    0.464     3.65
1989.60    0.442   359.36
1990.60    0.420   354.62
1991.60    0.397   349.34
1992.60    0.373   343.39
1993.60    0.350   336.65
1994.60    0.328   328.97
1995.60    0.308   320.25
1996.60    0.293   310.46
1997.60    0.282   299.76
1998.60    0.278   288.50
1999.60    0.282   277.24
2000.60    0.293   266.53
2001.60    0.310   256.78
2002.60    0.331   248.17
2003.60    0.356   240.71
2004.60    0.384   234.27
2005.60    0.413   228.72
2006.60    0.443   223.91
2007.60    0.474   219.72
2008.60    0.504   216.02
2009.60    0.534   212.75
2010.60    0.563   209.82
2011.60    0.592   207.17
2012.60    0.620   204.77
2013.60    0.647   202.58
2014.60    0.674   200.56
2015.60    0.700   198.69
2016.60    0.725   196.96
2017.60    0.749   195.34
2018.60    0.773   193.82
2019.60    0.796   192.39
2020.60    0.818   191.03
2021.60    0.840   189.75
2022.60    0.861   188.53
2023.60    0.881   187.37
2024.60    0.901   186.26
2025.60    0.920   185.20
2026.60    0.938   184.18
2027.60    0.956   183.20
2028.60    0.974   182.25
2029.60    0.991   181.34
2030.60    1.007   180.46
2031.60    1.023   179.60
2032.60    1.038   178.78
2033.60    1.053   177.97
2034.60    1.068   177.19
2035.60    1.082   176.42
2036.60    1.096   175.68
2037.60    1.109   174.96
2038.60    1.122   174.25
2039.60    1.134   173.56
2040.60    1.146   172.88
2041.60    1.158   172.22
2042.60    1.169   171.57
2043.60    1.180   170.93
2044.60    1.191   170.30
2045.60    1.201   169.69
2046.60    1.211   169.08
2047.60    1.221   168.48
2048.60    1.231   167.90
2049.60    1.240   167.32
2050.60    1.249   166.75
2051.60    1.257   166.19
2052.60    1.265   165.64
2053.60    1.273   165.09
2054.60    1.281   164.55
2055.60    1.289   164.02
2056.60    1.296   163.49
2057.60    1.303   162.97
2058.60    1.310   162.45
2059.60    1.316   161.94
2060.60    1.322   161.44
2061.60    1.328   160.93
2062.60    1.334   160.44
2063.60    1.340   159.94
2064.60    1.345   159.46
2065.60    1.350   158.97
2066.60    1.355   158.49
2067.60    1.360   158.01
2068.60    1.364   157.54
2069.60    1.369   157.07
2070.60    1.373   156.60
2071.60    1.377   156.13
2072.60    1.381   155.67
2073.60    1.384   155.21
2074.60    1.388   154.75
2075.60    1.391   154.29
2076.60    1.394   153.84
2077.60    1.397   153.39
2078.60    1.400   152.94
2079.60    1.402   152.49
2080.60    1.404   152.04
2081.60    1.407   151.59
2082.60    1.409   151.15
2083.60    1.411   150.71
2084.60    1.412   150.26
2085.60    1.414   149.82
2086.60    1.415   149.38
2087.60    1.417   148.94
2088.60    1.418   148.51
2089.60    1.419   148.07
2090.60    1.419   147.63
2091.60    1.420   147.19
2092.60    1.421   146.76
2093.60    1.421   146.32
2094.60    1.421   145.89
2095.60    1.422   145.45
2096.60    1.422   145.01
2097.60    1.421   144.58
2098.60    1.421   144.14
2099.60    1.421   143.71
2100.60    1.420   143.27
2101.60    1.420   142.83
2102.60    1.419   142.39
2103.60    1.418   141.96
2104.60    1.417   141.52
2105.60    1.416   141.08
2106.60    1.415   140.64
2107.60    1.413   140.20
2108.60    1.412   139.76
2109.60    1.410   139.32
2110.60    1.408   138.87
2111.60    1.407   138.43
2112.60    1.405   137.98
2113.60    1.403   137.53
2114.60    1.400   137.09
2115.60    1.398   136.64
2116.60    1.396   136.19
2117.60    1.393   135.73
2118.60    1.391   135.28
2119.60    1.388   134.82
2120.60    1.385   134.36
2121.60    1.382   133.90
2122.60    1.379   133.44
2123.60    1.376   132.98
2124.60    1.373   132.51
2125.60    1.370   132.04
2126.60    1.367   131.57
2127.60    1.363   131.10
2128.60    1.360   130.63
2129.60    1.356   130.15
2130.60    1.352   129.67
2131.60    1.348   129.19
2132.60    1.345   128.70
2133.60    1.341   128.21
2134.60    1.336   127.72
2135.60    1.332   127.23
2136.60    1.328   126.73
2137.60    1.324   126.23
2138.60    1.319   125.72
2139.60    1.315   125.21
2140.60    1.310   124.70
2141.60    1.305   124.19
2142.60    1.301   123.67
2143.60    1.296   123.15
2144.60    1.291   122.62
2145.60    1.286   122.09
2146.60    1.281   121.56
2147.60    1.276   121.02
2148.60    1.271   120.47
2149.60    1.265   119.93
2150.60    1.260   119.37
2151.60    1.255   118.82






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 16:59:40



www.stella-vega.de