Double Star Calculator - Orbit

Orbital Elements for BAR12BA,BB
WDS: BAR12BA,BB WDS ID/Discoverer
P: 400.000 Orbital period (years)
a: 0.689 Semi-major axis (arcseconds)
i: 125.2 Inclination (degrees)
Ω: 84.7 Longitude of ascending node (degrees)
T: 2065.000 Epoch of periastron passage (year)
e: 0.458 Eccentricity
ω: 137.1 Longitude of periastron (degrees)
Start-Year: 1825.0 Year
End-Year: 2225.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BAR12BA,BB
Position: 202046.55-144705.5 Epoch-2000 right ascension and declination
WDS-ID: 20210-1447 WDS designation
Discoverer Code: BAR12BA,BB Discover designation and components
ADS number: 13717 Aitken Double Star catalog
HD number: 193452 HD catalog number
Hipparcos number: 100325 Hipparcos catalog number
V1: 6.16 Magnitude of the primary
V2: 9.14 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2021c Reference

Double Star Orbit for BAR12BA,BB



WDS 6th Orbit including measures of BAR12BA,BB

-- 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 BAR12BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.385    45.99
--------------------------
1825.00    0.701   127.68
1826.00    0.705   127.23
1827.00    0.709   126.79
1828.00    0.713   126.36
1829.00    0.717   125.93
1830.00    0.720   125.51
1831.00    0.724   125.09
1832.00    0.728   124.67
1833.00    0.732   124.26
1834.00    0.735   123.86
1835.00    0.739   123.45
1836.00    0.743   123.05
1837.00    0.746   122.66
1838.00    0.750   122.27
1839.00    0.753   121.88
1840.00    0.757   121.50
1841.00    0.761   121.12
1842.00    0.764   120.74
1843.00    0.767   120.37
1844.00    0.771   120.00
1845.00    0.774   119.63
1846.00    0.778   119.27
1847.00    0.781   118.91
1848.00    0.784   118.55
1849.00    0.788   118.19
1850.00    0.791   117.84
1851.00    0.794   117.49
1852.00    0.797   117.15
1853.00    0.800   116.80
1854.00    0.803   116.46
1855.00    0.806   116.13
1856.00    0.809   115.79
1857.00    0.812   115.46
1858.00    0.815   115.13
1859.00    0.818   114.80
1860.00    0.821   114.47
1861.00    0.824   114.15
1862.00    0.827   113.83
1863.00    0.829   113.51
1864.00    0.832   113.19
1865.00    0.835   112.88
1866.00    0.837   112.56
1867.00    0.840   112.25
1868.00    0.843   111.94
1869.00    0.845   111.63
1870.00    0.848   111.33
1871.00    0.850   111.03
1872.00    0.852   110.72
1873.00    0.855   110.42
1874.00    0.857   110.12
1875.00    0.859   109.83
1876.00    0.861   109.53
1877.00    0.863   109.24
1878.00    0.866   108.94
1879.00    0.868   108.65
1880.00    0.870   108.36
1881.00    0.872   108.07
1882.00    0.873   107.78
1883.00    0.875   107.50
1884.00    0.877   107.21
1885.00    0.879   106.93
1886.00    0.881   106.65
1887.00    0.882   106.36
1888.00    0.884   106.08
1889.00    0.885   105.80
1890.00    0.887   105.52
1891.00    0.888   105.25
1892.00    0.890   104.97
1893.00    0.891   104.69
1894.00    0.892   104.42
1895.00    0.894   104.14
1896.00    0.895   103.87
1897.00    0.896   103.60
1898.00    0.897   103.32
1899.00    0.898   103.05
1900.00    0.899   102.78
1901.00    0.900   102.51
1902.00    0.901   102.24
1903.00    0.901   101.97
1904.00    0.902   101.70
1905.00    0.903   101.43
1906.00    0.903   101.16
1907.00    0.904   100.90
1908.00    0.905   100.63
1909.00    0.905   100.36
1910.00    0.905   100.09
1911.00    0.906    99.83
1912.00    0.906    99.56
1913.00    0.906    99.29
1914.00    0.906    99.03
1915.00    0.906    98.76
1916.00    0.906    98.49
1917.00    0.906    98.23
1918.00    0.906    97.96
1919.00    0.906    97.69
1920.00    0.906    97.43
1921.00    0.905    97.16
1922.00    0.905    96.89
1923.00    0.904    96.62
1924.00    0.904    96.36
1925.00    0.903    96.09
1926.00    0.903    95.82
1927.00    0.902    95.55
1928.00    0.901    95.28
1929.00    0.900    95.01
1930.00    0.899    94.74
1931.00    0.898    94.47
1932.00    0.897    94.20
1933.00    0.896    93.93
1934.00    0.895    93.65
1935.00    0.894    93.38
1936.00    0.892    93.11
1937.00    0.891    92.83
1938.00    0.889    92.55
1939.00    0.888    92.28
1940.00    0.886    92.00
1941.00    0.884    91.72
1942.00    0.882    91.44
1943.00    0.880    91.16
1944.00    0.878    90.87
1945.00    0.876    90.59
1946.00    0.874    90.30
1947.00    0.872    90.02
1948.00    0.870    89.73
1949.00    0.867    89.44
1950.00    0.865    89.14
1951.00    0.862    88.85
1952.00    0.860    88.56
1953.00    0.857    88.26
1954.00    0.854    87.96
1955.00    0.851    87.66
1956.00    0.848    87.35
1957.00    0.845    87.05
1958.00    0.842    86.74
1959.00    0.839    86.43
1960.00    0.835    86.12
1961.00    0.832    85.80
1962.00    0.828    85.49
1963.00    0.825    85.17
1964.00    0.821    84.84
1965.00    0.817    84.52
1966.00    0.813    84.19
1967.00    0.809    83.85
1968.00    0.805    83.52
1969.00    0.801    83.18
1970.00    0.797    82.84
1971.00    0.792    82.49
1972.00    0.788    82.14
1973.00    0.783    81.78
1974.00    0.779    81.42
1975.00    0.774    81.06
1976.00    0.769    80.69
1977.00    0.764    80.32
1978.00    0.759    79.94
1979.00    0.754    79.56
1980.00    0.748    79.17
1981.00    0.743    78.78
1982.00    0.738    78.38
1983.00    0.732    77.97
1984.00    0.726    77.56
1985.00    0.720    77.14
1986.00    0.715    76.72
1987.00    0.708    76.29
1988.00    0.702    75.85
1989.00    0.696    75.40
1990.00    0.690    74.94
1991.00    0.683    74.48
1992.00    0.677    74.00
1993.00    0.670    73.52
1994.00    0.663    73.03
1995.00    0.656    72.52
1996.00    0.649    72.01
1997.00    0.642    71.49
1998.00    0.635    70.95
1999.00    0.627    70.40
2000.00    0.620    69.83
2001.00    0.612    69.26
2002.00    0.604    68.67
2003.00    0.597    68.06
2004.00    0.589    67.44
2005.00    0.581    66.79
2006.00    0.572    66.14
2007.00    0.564    65.46
2008.00    0.556    64.76
2009.00    0.547    64.04
2010.00    0.539    63.30
2011.00    0.530    62.53
2012.00    0.521    61.74
2013.00    0.512    60.92
2014.00    0.503    60.07
2015.00    0.494    59.19
2016.00    0.485    58.27
2017.00    0.476    57.32
2018.00    0.466    56.34
2019.00    0.457    55.31
2020.00    0.448    54.24
2021.00    0.438    53.12
2022.00    0.429    51.96
2023.00    0.419    50.74
2024.00    0.409    49.46
2025.00    0.400    48.13
2026.00    0.390    46.72
2027.00    0.381    45.25
2028.00    0.371    43.70
2029.00    0.362    42.07
2030.00    0.352    40.35
2031.00    0.343    38.53
2032.00    0.334    36.62
2033.00    0.325    34.60
2034.00    0.316    32.46
2035.00    0.307    30.20
2036.00    0.299    27.82
2037.00    0.291    25.30
2038.00    0.283    22.64
2039.00    0.276    19.84
2040.00    0.269    16.88
2041.00    0.263    13.78
2042.00    0.257    10.54
2043.00    0.252     7.15
2044.00    0.247     3.63
2045.00    0.243   359.98
2046.00    0.240   356.24
2047.00    0.238   352.41
2048.00    0.237   348.51
2049.00    0.236   344.59
2050.00    0.236   340.65
2051.00    0.237   336.74
2052.00    0.239   332.87
2053.00    0.241   329.07
2054.00    0.245   325.36
2055.00    0.249   321.76
2056.00    0.253   318.28
2057.00    0.258   314.93
2058.00    0.264   311.71
2059.00    0.270   308.63
2060.00    0.276   305.69
2061.00    0.282   302.88
2062.00    0.289   300.20
2063.00    0.296   297.64
2064.00    0.303   295.20
2065.00    0.310   292.88
2066.00    0.317   290.65
2067.00    0.325   288.53
2068.00    0.332   286.49
2069.00    0.338   284.54
2070.00    0.345   282.67
2071.00    0.352   280.86
2072.00    0.358   279.13
2073.00    0.364   277.45
2074.00    0.370   275.83
2075.00    0.376   274.26
2076.00    0.382   272.73
2077.00    0.387   271.25
2078.00    0.392   269.80
2079.00    0.396   268.39
2080.00    0.401   267.01
2081.00    0.405   265.66
2082.00    0.409   264.34
2083.00    0.412   263.04
2084.00    0.416   261.76
2085.00    0.419   260.51
2086.00    0.422   259.26
2087.00    0.424   258.04
2088.00    0.426   256.83
2089.00    0.428   255.63
2090.00    0.430   254.44
2091.00    0.432   253.27
2092.00    0.433   252.10
2093.00    0.435   250.94
2094.00    0.436   249.78
2095.00    0.437   248.63
2096.00    0.437   247.48
2097.00    0.438   246.34
2098.00    0.438   245.20
2099.00    0.439   244.06
2100.00    0.439   242.92
2101.00    0.439   241.79
2102.00    0.439   240.65
2103.00    0.439   239.51
2104.00    0.438   238.37
2105.00    0.438   237.23
2106.00    0.438   236.09
2107.00    0.437   234.95
2108.00    0.437   233.80
2109.00    0.436   232.65
2110.00    0.435   231.50
2111.00    0.435   230.34
2112.00    0.434   229.18
2113.00    0.433   228.02
2114.00    0.433   226.85
2115.00    0.432   225.68
2116.00    0.431   224.50
2117.00    0.431   223.32
2118.00    0.430   222.14
2119.00    0.429   220.95
2120.00    0.429   219.76
2121.00    0.428   218.57
2122.00    0.427   217.37
2123.00    0.427   216.17
2124.00    0.426   214.97
2125.00    0.426   213.76
2126.00    0.425   212.55
2127.00    0.425   211.34
2128.00    0.425   210.13
2129.00    0.425   208.92
2130.00    0.424   207.70
2131.00    0.424   206.49
2132.00    0.424   205.27
2133.00    0.425   204.06
2134.00    0.425   202.84
2135.00    0.425   201.63
2136.00    0.425   200.42
2137.00    0.426   199.21
2138.00    0.426   198.00
2139.00    0.427   196.80
2140.00    0.427   195.60
2141.00    0.428   194.40
2142.00    0.429   193.21
2143.00    0.430   192.02
2144.00    0.431   190.84
2145.00    0.432   189.66
2146.00    0.433   188.50
2147.00    0.435   187.33
2148.00    0.436   186.18
2149.00    0.438   185.03
2150.00    0.439   183.89
2151.00    0.441   182.76
2152.00    0.443   181.64
2153.00    0.445   180.53
2154.00    0.446   179.42
2155.00    0.449   178.33
2156.00    0.451   177.25
2157.00    0.453   176.18
2158.00    0.455   175.11
2159.00    0.457   174.06
2160.00    0.460   173.02
2161.00    0.462   171.99
2162.00    0.465   170.97
2163.00    0.468   169.97
2164.00    0.470   168.97
2165.00    0.473   167.99
2166.00    0.476   167.02
2167.00    0.479   166.06
2168.00    0.482   165.11
2169.00    0.485   164.17
2170.00    0.488   163.25
2171.00    0.491   162.34
2172.00    0.495   161.44
2173.00    0.498   160.55
2174.00    0.501   159.67
2175.00    0.505   158.80
2176.00    0.508   157.95
2177.00    0.512   157.11
2178.00    0.515   156.28
2179.00    0.519   155.46
2180.00    0.522   154.65
2181.00    0.526   153.85
2182.00    0.530   153.07
2183.00    0.533   152.29
2184.00    0.537   151.53
2185.00    0.541   150.78
2186.00    0.545   150.03
2187.00    0.549   149.30
2188.00    0.553   148.58
2189.00    0.556   147.87
2190.00    0.560   147.17
2191.00    0.564   146.47
2192.00    0.568   145.79
2193.00    0.572   145.12
2194.00    0.576   144.45
2195.00    0.580   143.80
2196.00    0.584   143.15
2197.00    0.588   142.52
2198.00    0.592   141.89
2199.00    0.596   141.27
2200.00    0.601   140.66
2201.00    0.605   140.06
2202.00    0.609   139.46
2203.00    0.613   138.87
2204.00    0.617   138.29
2205.00    0.621   137.72
2206.00    0.625   137.16
2207.00    0.629   136.60
2208.00    0.633   136.05
2209.00    0.637   135.51
2210.00    0.641   134.97
2211.00    0.645   134.44
2212.00    0.649   133.92
2213.00    0.653   133.41
2214.00    0.658   132.90
2215.00    0.662   132.39
2216.00    0.666   131.90
2217.00    0.670   131.40
2218.00    0.674   130.92
2219.00    0.678   130.44
2220.00    0.682   129.97
2221.00    0.686   129.50
2222.00    0.689   129.03
2223.00    0.693   128.58
2224.00    0.697   128.12






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 18:14:06



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