Double Star Calculator - Orbit

Orbital Elements for BU224
WDS: BU224 WDS ID/Discoverer
P: 251.570 Orbital period (years)
a: 0.6 Semi-major axis (arcseconds)
i: 121.2 Inclination (degrees)
Ω: 84.8 Longitude of ascending node (degrees)
T: 1967.620 Epoch of periastron passage (year)
e: 0.651 Eccentricity
ω: 192.0 Longitude of periastron (degrees)
Start-Year: 1899.215 Year
End-Year: 2150.785 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU224
Position: 141326.94+123426.2 Epoch-2000 right ascension and declination
WDS-ID: 14135+1234 WDS designation
Discoverer Code: BU224 Discover designation and components
ADS number: 9165 Aitken Double Star catalog
HD number: 124442 HD catalog number
Hipparcos number: 69480 Hipparcos catalog number
V1: 8.94 Magnitude of the primary
V2: 9.35 Magnitude of the secondary
Equinox: Equinox
Date: 1984 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Lin1985c Reference

Double Star Orbit for BU224



WDS 6th Orbit including measures of BU224

-- 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 BU224
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.748    95.05
--------------------------
1899.21    0.715    63.08
1900.21    0.707    62.68
1901.21    0.698    62.27
1902.21    0.690    61.85
1903.21    0.681    61.42
1904.21    0.673    60.98
1905.21    0.664    60.52
1906.21    0.655    60.06
1907.21    0.646    59.58
1908.21    0.637    59.09
1909.21    0.627    58.58
1910.21    0.618    58.06
1911.21    0.608    57.52
1912.21    0.598    56.96
1913.21    0.589    56.38
1914.21    0.579    55.79
1915.21    0.568    55.17
1916.21    0.558    54.54
1917.21    0.548    53.87
1918.21    0.537    53.19
1919.21    0.527    52.47
1920.21    0.516    51.72
1921.21    0.505    50.95
1922.21    0.494    50.14
1923.21    0.483    49.29
1924.21    0.472    48.40
1925.21    0.461    47.47
1926.21    0.449    46.49
1927.21    0.438    45.46
1928.21    0.426    44.38
1929.21    0.415    43.23
1930.21    0.403    42.02
1931.21    0.391    40.73
1932.21    0.380    39.37
1933.21    0.368    37.92
1934.21    0.356    36.37
1935.21    0.344    34.72
1936.21    0.332    32.94
1937.21    0.321    31.04
1938.21    0.309    29.00
1939.21    0.298    26.80
1940.21    0.286    24.42
1941.21    0.275    21.85
1942.21    0.264    19.06
1943.21    0.254    16.05
1944.21    0.244    12.78
1945.21    0.235     9.24
1946.21    0.226     5.41
1947.21    0.217     1.27
1948.21    0.210   356.84
1949.21    0.204   352.10
1950.21    0.198   347.07
1951.21    0.194   341.80
1952.21    0.191   336.31
1953.21    0.189   330.69
1954.21    0.188   324.98
1955.21    0.189   319.27
1956.21    0.190   313.62
1957.21    0.193   308.09
1958.21    0.196   302.71
1959.21    0.199   297.51
1960.21    0.203   292.51
1961.21    0.207   287.68
1962.21    0.210   283.00
1963.21    0.212   278.45
1964.21    0.213   273.98
1965.21    0.213   269.53
1966.21    0.211   265.03
1967.21    0.208   260.43
1968.21    0.203   255.63
1969.21    0.196   250.55
1970.21    0.189   245.09
1971.21    0.180   239.14
1972.21    0.172   232.61
1973.21    0.164   225.43
1974.21    0.157   217.58
1975.21    0.153   209.13
1976.21    0.150   200.25
1977.21    0.150   191.23
1978.21    0.153   182.37
1979.21    0.158   173.99
1980.21    0.166   166.28
1981.21    0.176   159.35
1982.21    0.188   153.22
1983.21    0.201   147.84
1984.21    0.214   143.13
1985.21    0.229   138.99
1986.21    0.244   135.36
1987.21    0.259   132.16
1988.21    0.275   129.31
1989.21    0.290   126.77
1990.21    0.306   124.49
1991.21    0.322   122.43
1992.21    0.337   120.56
1993.21    0.353   118.86
1994.21    0.368   117.29
1995.21    0.383   115.85
1996.21    0.398   114.52
1997.21    0.413   113.29
1998.21    0.427   112.14
1999.21    0.441   111.07
2000.21    0.456   110.06
2001.21    0.469   109.11
2002.21    0.483   108.22
2003.21    0.497   107.38
2004.21    0.510   106.57
2005.21    0.523   105.81
2006.21    0.535   105.09
2007.21    0.548   104.40
2008.21    0.560   103.74
2009.21    0.572   103.11
2010.21    0.584   102.50
2011.21    0.596   101.92
2012.21    0.607   101.36
2013.21    0.618   100.82
2014.21    0.629   100.30
2015.21    0.640    99.80
2016.21    0.651    99.31
2017.21    0.661    98.84
2018.21    0.671    98.39
2019.21    0.681    97.94
2020.21    0.691    97.51
2021.21    0.701    97.09
2022.21    0.710    96.69
2023.21    0.719    96.29
2024.21    0.728    95.90
2025.21    0.737    95.53
2026.21    0.746    95.16
2027.21    0.754    94.80
2028.21    0.762    94.44
2029.21    0.770    94.10
2030.21    0.778    93.76
2031.21    0.786    93.43
2032.21    0.793    93.10
2033.21    0.801    92.79
2034.21    0.808    92.47
2035.21    0.815    92.17
2036.21    0.822    91.86
2037.21    0.829    91.57
2038.21    0.835    91.27
2039.21    0.842    90.99
2040.21    0.848    90.70
2041.21    0.854    90.42
2042.21    0.860    90.15
2043.21    0.866    89.87
2044.21    0.871    89.60
2045.21    0.877    89.34
2046.21    0.882    89.08
2047.21    0.887    88.82
2048.22    0.892    88.56
2049.22    0.897    88.31
2050.22    0.901    88.06
2051.22    0.906    87.81
2052.22    0.910    87.56
2053.22    0.915    87.32
2054.22    0.919    87.08
2055.22    0.923    86.84
2056.22    0.927    86.60
2057.22    0.930    86.37
2058.22    0.934    86.14
2059.22    0.937    85.90
2060.22    0.940    85.68
2061.22    0.944    85.45
2062.22    0.947    85.22
2063.22    0.949    84.99
2064.22    0.952    84.77
2065.22    0.955    84.55
2066.22    0.957    84.33
2067.22    0.960    84.11
2068.22    0.962    83.89
2069.22    0.964    83.67
2070.22    0.966    83.45
2071.22    0.967    83.23
2072.22    0.969    83.02
2073.22    0.971    82.80
2074.22    0.972    82.59
2075.22    0.973    82.37
2076.22    0.975    82.16
2077.22    0.976    81.95
2078.22    0.976    81.73
2079.22    0.977    81.52
2080.22    0.978    81.31
2081.22    0.978    81.10
2082.22    0.979    80.89
2083.22    0.979    80.67
2084.22    0.979    80.46
2085.22    0.979    80.25
2086.22    0.979    80.04
2087.22    0.979    79.83
2088.22    0.979    79.62
2089.22    0.978    79.41
2090.22    0.978    79.19
2091.22    0.977    78.98
2092.22    0.976    78.77
2093.22    0.975    78.56
2094.22    0.974    78.34
2095.22    0.973    78.13
2096.22    0.971    77.92
2097.22    0.970    77.70
2098.22    0.968    77.48
2099.22    0.967    77.27
2100.22    0.965    77.05
2101.22    0.963    76.83
2102.22    0.961    76.61
2103.22    0.959    76.39
2104.22    0.956    76.17
2105.22    0.954    75.95
2106.22    0.952    75.73
2107.22    0.949    75.50
2108.22    0.946    75.28
2109.22    0.943    75.05
2110.22    0.940    74.82
2111.22    0.937    74.59
2112.22    0.934    74.36
2113.22    0.930    74.13
2114.22    0.927    73.89
2115.22    0.923    73.66
2116.22    0.920    73.42
2117.22    0.916    73.18
2118.22    0.912    72.94
2119.22    0.908    72.69
2120.22    0.903    72.44
2121.22    0.899    72.19
2122.22    0.895    71.94
2123.22    0.890    71.69
2124.22    0.885    71.43
2125.22    0.881    71.17
2126.22    0.876    70.91
2127.22    0.871    70.64
2128.22    0.865    70.37
2129.22    0.860    70.10
2130.22    0.855    69.83
2131.22    0.849    69.55
2132.22    0.843    69.26
2133.22    0.838    68.98
2134.22    0.832    68.69
2135.22    0.826    68.39
2136.22    0.819    68.09
2137.22    0.813    67.79
2138.22    0.807    67.48
2139.22    0.800    67.16
2140.22    0.793    66.85
2141.22    0.787    66.52
2142.22    0.780    66.19
2143.22    0.773    65.85
2144.22    0.765    65.51
2145.22    0.758    65.16
2146.22    0.751    64.81
2147.22    0.743    64.44
2148.22    0.735    64.07
2149.22    0.727    63.69
2150.22    0.719    63.31






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 17:03:31



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