Double Star Calculator - Orbit

Orbital Elements for BEU12AA,AB
WDS: BEU12AA,AB WDS ID/Discoverer
P: 66.000 Orbital period (years)
a: 0.977 Semi-major axis (arcseconds)
i: 78.3 Inclination (degrees)
Ω: 152.5 Longitude of ascending node (degrees)
T: 1993.290 Epoch of periastron passage (year)
e: 0.653 Eccentricity
ω: 273.7 Longitude of periastron (degrees)
Start-Year: 1992.0 Year
End-Year: 2058.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BEU12AA,AB
Position: 083137.58+192339.5 Epoch-2000 right ascension and declination
WDS-ID: 08317+1924 WDS designation
Discoverer Code: BEU12AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 41824 Hipparcos catalog number
V1: 11.89 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 5 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 BEU12AA,AB



WDS 6th Orbit including measures of BEU12AA,AB

-- 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 BEU12AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.346   261.60
--------------------------
1992.00    0.237   347.28
1992.10    0.220   348.81
1992.20    0.203   350.61
1992.30    0.186   352.73
1992.40    0.168   355.28
1992.50    0.151   358.42
1992.60    0.135     2.35
1992.70    0.118     7.38
1992.80    0.103    13.97
1992.90    0.089    22.71
1993.00    0.078    34.28
1993.10    0.071    48.91
1993.20    0.069    65.52
1993.30    0.073    81.72
1993.40    0.081    95.39
1993.50    0.093   105.99
1993.60    0.108   113.97
1993.70    0.123   120.00
1993.80    0.140   124.64
1993.90    0.157   128.29
1994.00    0.174   131.22
1994.10    0.191   133.63
1994.20    0.208   135.64
1994.30    0.225   137.35
1994.40    0.242   138.82
1994.50    0.258   140.10
1994.60    0.274   141.23
1994.70    0.290   142.24
1994.80    0.305   143.14
1994.90    0.320   143.96
1995.00    0.335   144.70
1995.10    0.349   145.39
1995.20    0.363   146.02
1995.30    0.377   146.60
1995.40    0.390   147.15
1995.50    0.402   147.66
1995.60    0.415   148.14
1995.70    0.426   148.59
1995.80    0.438   149.02
1995.90    0.449   149.42
1996.00    0.460   149.81
1996.10    0.470   150.18
1996.20    0.481   150.53
1996.30    0.490   150.87
1996.40    0.500   151.20
1996.50    0.509   151.51
1996.60    0.518   151.82
1996.70    0.526   152.11
1996.80    0.535   152.39
1996.90    0.543   152.67
1997.00    0.550   152.94
1997.10    0.558   153.20
1997.20    0.565   153.45
1997.30    0.572   153.70
1997.40    0.579   153.94
1997.50    0.585   154.18
1997.60    0.591   154.41
1997.70    0.597   154.63
1997.80    0.603   154.86
1997.90    0.608   155.07
1998.00    0.614   155.29
1998.10    0.619   155.50
1998.20    0.624   155.71
1998.30    0.629   155.91
1998.40    0.633   156.11
1998.50    0.638   156.31
1998.60    0.642   156.50
1998.70    0.646   156.70
1998.80    0.650   156.89
1998.90    0.654   157.08
1999.00    0.657   157.26
1999.10    0.661   157.45
1999.20    0.664   157.63
1999.30    0.667   157.81
1999.40    0.670   157.99
1999.50    0.673   158.16
1999.60    0.676   158.34
1999.70    0.679   158.51
1999.80    0.681   158.69
1999.90    0.683   158.86
2000.00    0.686   159.03
2000.10    0.688   159.20
2000.20    0.690   159.37
2000.30    0.692   159.54
2000.40    0.694   159.70
2000.50    0.695   159.87
2000.60    0.697   160.03
2000.70    0.699   160.20
2000.80    0.700   160.36
2000.90    0.701   160.52
2001.00    0.702   160.69
2001.10    0.704   160.85
2001.20    0.705   161.01
2001.30    0.706   161.17
2001.40    0.707   161.33
2001.50    0.707   161.49
2001.60    0.708   161.65
2001.70    0.709   161.81
2001.80    0.709   161.97
2001.90    0.710   162.13
2002.00    0.710   162.29
2002.10    0.711   162.44
2002.20    0.711   162.60
2002.30    0.711   162.76
2002.40    0.711   162.92
2002.50    0.711   163.08
2002.60    0.711   163.24
2002.70    0.711   163.39
2002.80    0.711   163.55
2002.90    0.711   163.71
2003.00    0.711   163.87
2003.10    0.710   164.03
2003.20    0.710   164.18
2003.30    0.710   164.34
2003.40    0.709   164.50
2003.50    0.709   164.66
2003.60    0.708   164.82
2003.70    0.708   164.98
2003.80    0.707   165.14
2003.90    0.706   165.30
2004.00    0.705   165.46
2004.10    0.705   165.62
2004.20    0.704   165.78
2004.30    0.703   165.94
2004.40    0.702   166.11
2004.50    0.701   166.27
2004.60    0.700   166.43
2004.70    0.699   166.60
2004.80    0.698   166.76
2004.90    0.696   166.92
2005.00    0.695   167.09
2005.10    0.694   167.25
2005.20    0.693   167.42
2005.30    0.691   167.59
2005.40    0.690   167.76
2005.50    0.689   167.92
2005.60    0.687   168.09
2005.70    0.686   168.26
2005.80    0.684   168.43
2005.90    0.683   168.60
2006.00    0.681   168.78
2006.10    0.680   168.95
2006.20    0.678   169.12
2006.30    0.676   169.30
2006.40    0.675   169.47
2006.50    0.673   169.65
2006.60    0.671   169.82
2006.70    0.670   170.00
2006.80    0.668   170.18
2006.90    0.666   170.36
2007.00    0.664   170.54
2007.10    0.662   170.72
2007.20    0.660   170.91
2007.30    0.658   171.09
2007.40    0.656   171.28
2007.50    0.654   171.46
2007.60    0.652   171.65
2007.70    0.650   171.84
2007.80    0.648   172.03
2007.90    0.646   172.22
2008.00    0.644   172.41
2008.10    0.642   172.60
2008.20    0.640   172.80
2008.30    0.638   172.99
2008.40    0.636   173.19
2008.50    0.633   173.39
2008.60    0.631   173.59
2008.70    0.629   173.79
2008.80    0.627   173.99
2008.90    0.624   174.20
2009.00    0.622   174.40
2009.10    0.620   174.61
2009.20    0.618   174.82
2009.30    0.615   175.03
2009.40    0.613   175.24
2009.50    0.611   175.46
2009.60    0.608   175.67
2009.70    0.606   175.89
2009.80    0.603   176.11
2009.90    0.601   176.33
2010.00    0.599   176.55
2010.10    0.596   176.77
2010.20    0.594   177.00
2010.30    0.591   177.23
2010.40    0.589   177.46
2010.50    0.586   177.69
2010.60    0.584   177.92
2010.70    0.581   178.16
2010.80    0.579   178.40
2010.90    0.576   178.64
2011.00    0.574   178.88
2011.10    0.571   179.12
2011.20    0.568   179.37
2011.30    0.566   179.62
2011.40    0.563   179.87
2011.50    0.561   180.12
2011.60    0.558   180.38
2011.70    0.555   180.64
2011.80    0.553   180.90
2011.90    0.550   181.16
2012.00    0.548   181.42
2012.10    0.545   181.69
2012.20    0.542   181.96
2012.30    0.540   182.24
2012.40    0.537   182.51
2012.50    0.534   182.79
2012.60    0.532   183.07
2012.70    0.529   183.36
2012.80    0.527   183.64
2012.90    0.524   183.93
2013.00    0.521   184.23
2013.10    0.519   184.52
2013.20    0.516   184.82
2013.30    0.513   185.12
2013.40    0.511   185.43
2013.50    0.508   185.74
2013.60    0.505   186.05
2013.70    0.503   186.36
2013.80    0.500   186.68
2013.90    0.497   187.00
2014.00    0.495   187.33
2014.10    0.492   187.66
2014.20    0.489   187.99
2014.30    0.487   188.32
2014.40    0.484   188.66
2014.50    0.481   189.01
2014.60    0.479   189.35
2014.70    0.476   189.70
2014.80    0.474   190.06
2014.90    0.471   190.42
2015.00    0.468   190.78
2015.10    0.466   191.15
2015.20    0.463   191.52
2015.30    0.461   191.89
2015.40    0.458   192.27
2015.50    0.455   192.65
2015.60    0.453   193.04
2015.70    0.450   193.43
2015.80    0.448   193.83
2015.90    0.445   194.23
2016.00    0.443   194.64
2016.10    0.440   195.05
2016.20    0.438   195.46
2016.30    0.435   195.88
2016.40    0.433   196.31
2016.50    0.430   196.74
2016.60    0.428   197.17
2016.70    0.425   197.61
2016.80    0.423   198.05
2016.90    0.421   198.50
2017.00    0.418   198.96
2017.10    0.416   199.42
2017.20    0.413   199.88
2017.30    0.411   200.35
2017.40    0.409   200.83
2017.50    0.407   201.31
2017.60    0.404   201.80
2017.70    0.402   202.29
2017.80    0.400   202.79
2017.90    0.398   203.29
2018.00    0.395   203.80
2018.10    0.393   204.31
2018.20    0.391   204.83
2018.30    0.389   205.36
2018.40    0.387   205.89
2018.50    0.385   206.43
2018.60    0.383   206.97
2018.70    0.381   207.52
2018.80    0.379   208.07
2018.90    0.377   208.64
2019.00    0.375   209.20
2019.10    0.373   209.77
2019.20    0.371   210.35
2019.30    0.369   210.94
2019.40    0.367   211.53
2019.50    0.365   212.12
2019.60    0.364   212.72
2019.70    0.362   213.33
2019.80    0.360   213.94
2019.90    0.359   214.56
2020.00    0.357   215.19
2020.10    0.355   215.82
2020.20    0.354   216.45
2020.30    0.352   217.09
2020.40    0.351   217.74
2020.50    0.349   218.39
2020.60    0.348   219.05
2020.70    0.347   219.71
2020.80    0.345   220.38
2020.90    0.344   221.05
2021.00    0.343   221.73
2021.10    0.342   222.42
2021.20    0.340   223.10
2021.30    0.339   223.80
2021.40    0.338   224.49
2021.50    0.337   225.19
2021.60    0.336   225.90
2021.70    0.335   226.61
2021.80    0.334   227.32
2021.90    0.333   228.04
2022.00    0.333   228.76
2022.10    0.332   229.48
2022.20    0.331   230.21
2022.30    0.330   230.94
2022.40    0.330   231.68
2022.50    0.329   232.41
2022.60    0.329   233.15
2022.70    0.328   233.89
2022.80    0.328   234.63
2022.90    0.327   235.38
2023.00    0.327   236.13
2023.10    0.327   236.87
2023.20    0.327   237.62
2023.30    0.326   238.37
2023.40    0.326   239.12
2023.50    0.326   239.88
2023.60    0.326   240.63
2023.70    0.326   241.38
2023.80    0.326   242.13
2023.90    0.326   242.88
2024.00    0.326   243.63
2024.10    0.327   244.38
2024.20    0.327   245.13
2024.30    0.327   245.88
2024.40    0.328   246.63
2024.50    0.328   247.37
2024.60    0.328   248.11
2024.70    0.329   248.85
2024.80    0.329   249.59
2024.90    0.330   250.33
2025.00    0.331   251.06
2025.10    0.331   251.79
2025.20    0.332   252.52
2025.30    0.333   253.24
2025.40    0.334   253.96
2025.50    0.335   254.68
2025.60    0.335   255.39
2025.70    0.336   256.10
2025.80    0.337   256.80
2025.90    0.339   257.50
2026.00    0.340   258.20
2026.10    0.341   258.89
2026.20    0.342   259.57
2026.30    0.343   260.25
2026.40    0.344   260.93
2026.50    0.346   261.60
2026.60    0.347   262.27
2026.70    0.348   262.93
2026.80    0.350   263.59
2026.90    0.351   264.24
2027.00    0.353   264.88
2027.10    0.354   265.52
2027.20    0.356   266.16
2027.30    0.358   266.78
2027.40    0.359   267.41
2027.50    0.361   268.02
2027.60    0.363   268.63
2027.70    0.364   269.24
2027.80    0.366   269.84
2027.90    0.368   270.43
2028.00    0.370   271.02
2028.10    0.372   271.60
2028.20    0.374   272.18
2028.30    0.375   272.75
2028.40    0.377   273.31
2028.50    0.379   273.87
2028.60    0.381   274.42
2028.70    0.384   274.97
2028.80    0.386   275.51
2028.90    0.388   276.05
2029.00    0.390   276.57
2029.10    0.392   277.10
2029.20    0.394   277.62
2029.30    0.396   278.13
2029.40    0.399   278.63
2029.50    0.401   279.13
2029.60    0.403   279.63
2029.70    0.405   280.12
2029.80    0.408   280.60
2029.90    0.410   281.08
2030.00    0.412   281.55
2030.10    0.415   282.02
2030.20    0.417   282.48
2030.30    0.420   282.94
2030.40    0.422   283.39
2030.50    0.424   283.84
2030.60    0.427   284.28
2030.70    0.429   284.72
2030.80    0.432   285.15
2030.90    0.434   285.57
2031.00    0.437   286.00
2031.10    0.439   286.41
2031.20    0.442   286.82
2031.30    0.444   287.23
2031.40    0.447   287.63
2031.50    0.450   288.03
2031.60    0.452   288.42
2031.70    0.455   288.81
2031.80    0.457   289.20
2031.90    0.460   289.58
2032.00    0.463   289.95
2032.10    0.465   290.32
2032.20    0.468   290.69
2032.30    0.471   291.05
2032.40    0.473   291.41
2032.50    0.476   291.77
2032.60    0.479   292.12
2032.70    0.482   292.46
2032.80    0.484   292.81
2032.90    0.487   293.15
2033.00    0.490   293.48
2033.10    0.492   293.81
2033.20    0.495   294.14
2033.30    0.498   294.47
2033.40    0.501   294.79
2033.50    0.503   295.10
2033.60    0.506   295.42
2033.70    0.509   295.73
2033.80    0.512   296.04
2033.90    0.514   296.34
2034.00    0.517   296.64
2034.10    0.520   296.94
2034.20    0.523   297.23
2034.30    0.525   297.52
2034.40    0.528   297.81
2034.50    0.531   298.10
2034.60    0.534   298.38
2034.70    0.537   298.66
2034.80    0.539   298.93
2034.90    0.542   299.21
2035.00    0.545   299.48
2035.10    0.548   299.75
2035.20    0.550   300.01
2035.30    0.553   300.28
2035.40    0.556   300.54
2035.50    0.559   300.79
2035.60    0.561   301.05
2035.70    0.564   301.30
2035.80    0.567   301.55
2035.90    0.570   301.80
2036.00    0.572   302.04
2036.10    0.575   302.29
2036.20    0.578   302.53
2036.30    0.581   302.76
2036.40    0.583   303.00
2036.50    0.586   303.23
2036.60    0.589   303.47
2036.70    0.592   303.70
2036.80    0.594   303.92
2036.90    0.597   304.15
2037.00    0.600   304.37
2037.10    0.602   304.59
2037.20    0.605   304.81
2037.30    0.608   305.03
2037.40    0.611   305.24
2037.50    0.613   305.46
2037.60    0.616   305.67
2037.70    0.619   305.88
2037.80    0.621   306.09
2037.90    0.624   306.29
2038.00    0.626   306.50
2038.10    0.629   306.70
2038.20    0.632   306.90
2038.30    0.634   307.10
2038.40    0.637   307.30
2038.50    0.639   307.50
2038.60    0.642   307.69
2038.70    0.645   307.89
2038.80    0.647   308.08
2038.90    0.650   308.27
2039.00    0.652   308.46
2039.10    0.655   308.64
2039.20    0.657   308.83
2039.30    0.660   309.01
2039.40    0.662   309.20
2039.50    0.665   309.38
2039.60    0.667   309.56
2039.70    0.670   309.74
2039.80    0.672   309.92
2039.90    0.674   310.09
2040.00    0.677   310.27
2040.10    0.679   310.44
2040.20    0.682   310.61
2040.30    0.684   310.79
2040.40    0.686   310.96
2040.50    0.689   311.12
2040.60    0.691   311.29
2040.70    0.693   311.46
2040.80    0.696   311.63
2040.90    0.698   311.79
2041.00    0.700   311.95
2041.10    0.702   312.12
2041.20    0.704   312.28
2041.30    0.707   312.44
2041.40    0.709   312.60
2041.50    0.711   312.76
2041.60    0.713   312.91
2041.70    0.715   313.07
2041.80    0.717   313.23
2041.90    0.719   313.38
2042.00    0.722   313.54
2042.10    0.724   313.69
2042.20    0.726   313.84
2042.30    0.728   313.99
2042.40    0.730   314.14
2042.50    0.732   314.29
2042.60    0.734   314.44
2042.70    0.735   314.59
2042.80    0.737   314.74
2042.90    0.739   314.89
2043.00    0.741   315.03
2043.10    0.743   315.18
2043.20    0.745   315.32
2043.30    0.746   315.46
2043.40    0.748   315.61
2043.50    0.750   315.75
2043.60    0.752   315.89
2043.70    0.753   316.03
2043.80    0.755   316.17
2043.90    0.757   316.31
2044.00    0.758   316.45
2044.10    0.760   316.59
2044.20    0.761   316.73
2044.30    0.763   316.87
2044.40    0.764   317.01
2044.50    0.766   317.14
2044.60    0.767   317.28
2044.70    0.769   317.41
2044.80    0.770   317.55
2044.90    0.771   317.68
2045.00    0.773   317.82
2045.10    0.774   317.95
2045.20    0.775   318.08
2045.30    0.776   318.22
2045.40    0.778   318.35
2045.50    0.779   318.48
2045.60    0.780   318.61
2045.70    0.781   318.74
2045.80    0.782   318.88
2045.90    0.783   319.01
2046.00    0.784   319.14
2046.10    0.785   319.27
2046.20    0.786   319.40
2046.30    0.787   319.53
2046.40    0.787   319.65
2046.50    0.788   319.78
2046.60    0.789   319.91
2046.70    0.790   320.04
2046.80    0.790   320.17
2046.90    0.791   320.30
2047.00    0.792   320.42
2047.10    0.792   320.55
2047.20    0.793   320.68
2047.30    0.793   320.81
2047.40    0.793   320.93
2047.50    0.794   321.06
2047.60    0.794   321.19
2047.70    0.794   321.31
2047.80    0.795   321.44
2047.90    0.795   321.57
2048.00    0.795   321.69
2048.10    0.795   321.82
2048.20    0.795   321.95
2048.30    0.795   322.07
2048.40    0.795   322.20
2048.50    0.795   322.33
2048.60    0.794   322.45
2048.70    0.794   322.58
2048.80    0.794   322.71
2048.90    0.793   322.83
2049.00    0.793   322.96
2049.10    0.792   323.09
2049.20    0.792   323.22
2049.30    0.791   323.34
2049.40    0.791   323.47
2049.50    0.790   323.60
2049.60    0.789   323.73
2049.70    0.788   323.86
2049.80    0.787   323.98
2049.90    0.786   324.11
2050.00    0.785   324.24
2050.10    0.784   324.37
2050.20    0.783   324.50
2050.30    0.781   324.63
2050.40    0.780   324.77
2050.50    0.779   324.90
2050.60    0.777   325.03
2050.70    0.775   325.16
2050.80    0.774   325.30
2050.90    0.772   325.43
2051.00    0.770   325.56
2051.10    0.768   325.70
2051.20    0.766   325.83
2051.30    0.764   325.97
2051.40    0.762   326.11
2051.50    0.759   326.25
2051.60    0.757   326.39
2051.70    0.754   326.53
2051.80    0.752   326.67
2051.90    0.749   326.81
2052.00    0.746   326.95
2052.10    0.743   327.10
2052.20    0.740   327.24
2052.30    0.737   327.39
2052.40    0.734   327.54
2052.50    0.730   327.69
2052.60    0.727   327.84
2052.70    0.723   327.99
2052.80    0.719   328.14
2052.90    0.715   328.30
2053.00    0.711   328.45
2053.10    0.707   328.61
2053.20    0.703   328.77
2053.30    0.698   328.94
2053.40    0.694   329.10
2053.50    0.689   329.27
2053.60    0.684   329.44
2053.70    0.679   329.61
2053.80    0.674   329.79
2053.90    0.669   329.96
2054.00    0.663   330.14
2054.10    0.657   330.33
2054.20    0.651   330.51
2054.30    0.645   330.70
2054.40    0.639   330.90
2054.50    0.632   331.10
2054.60    0.626   331.30
2054.70    0.619   331.50
2054.80    0.612   331.72
2054.90    0.604   331.93
2055.00    0.597   332.15
2055.10    0.589   332.38
2055.20    0.581   332.61
2055.30    0.573   332.85
2055.40    0.564   333.10
2055.50    0.556   333.36
2055.60    0.547   333.62
2055.70    0.537   333.89
2055.80    0.528   334.17
2055.90    0.518   334.47
2056.00    0.508   334.77
2056.10    0.498   335.09
2056.20    0.487   335.42
2056.30    0.476   335.76
2056.40    0.464   336.12
2056.50    0.453   336.50
2056.60    0.441   336.90
2056.70    0.428   337.33
2056.80    0.416   337.78
2056.90    0.403   338.25
2057.00    0.389   338.76
2057.10    0.376   339.31
2057.20    0.362   339.90
2057.30    0.347   340.53
2057.40    0.332   341.23
2057.50    0.317   341.99
2057.60    0.302   342.82
2057.70    0.286   343.75
2057.80    0.270   344.78
2057.90    0.254   345.95






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 16:08:28



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