Double Star Calculator - Orbit

Orbital Elements for AC7BC
WDS: AC7BC WDS ID/Discoverer
P: 43.460 Orbital period (years)
a: 1.402 Semi-major axis (arcseconds)
i: 65.821 Inclination (degrees)
Ω: 61.11 Longitude of ascending node (degrees)
T: 2008.344 Epoch of periastron passage (year)
e: 0.1834 Eccentricity
ω: 172.21 Longitude of periastron (degrees)
Start-Year: 2003.27 Year
End-Year: 2046.73 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for AC7BC
Position: 174625.07+274301.4 Epoch-2000 right ascension and declination
WDS-ID: 17465+2743 WDS designation
Discoverer Code: AC7BC Discover designation and components
ADS number: 10786 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.2 Magnitude of the primary
V2: 10.7 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 1 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: MnA2019 Reference

Double Star Orbit for AC7BC



WDS 6th Orbit including measures of AC7BC

-- 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 AC7BC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.469    48.43
--------------------------
2003.27    0.678   197.82
2003.37    0.688   199.22
2003.47    0.700   200.58
2003.57    0.711   201.90
2003.67    0.722   203.18
2003.77    0.734   204.42
2003.87    0.745   205.62
2003.97    0.757   206.78
2004.07    0.769   207.90
2004.17    0.780   209.00
2004.27    0.792   210.06
2004.37    0.804   211.09
2004.47    0.816   212.09
2004.57    0.828   213.06
2004.67    0.839   214.00
2004.77    0.851   214.92
2004.87    0.863   215.81
2004.97    0.874   216.68
2005.07    0.885   217.53
2005.17    0.897   218.35
2005.27    0.908   219.16
2005.37    0.919   219.95
2005.47    0.930   220.71
2005.57    0.940   221.46
2005.67    0.951   222.20
2005.77    0.961   222.91
2005.87    0.971   223.62
2005.97    0.981   224.30
2006.07    0.991   224.98
2006.17    1.000   225.64
2006.27    1.009   226.29
2006.37    1.018   226.93
2006.47    1.027   227.55
2006.57    1.036   228.17
2006.67    1.044   228.78
2006.77    1.052   229.37
2006.87    1.059   229.96
2006.97    1.067   230.54
2007.07    1.074   231.11
2007.17    1.081   231.68
2007.27    1.087   232.24
2007.37    1.093   232.79
2007.47    1.099   233.33
2007.57    1.105   233.87
2007.67    1.110   234.41
2007.77    1.115   234.94
2007.87    1.119   235.46
2007.97    1.123   235.98
2008.07    1.127   236.50
2008.17    1.131   237.02
2008.27    1.134   237.53
2008.37    1.137   238.04
2008.47    1.139   238.54
2008.57    1.141   239.05
2008.67    1.143   239.55
2008.77    1.145   240.05
2008.87    1.146   240.55
2008.97    1.146   241.05
2009.07    1.147   241.55
2009.17    1.147   242.05
2009.27    1.147   242.54
2009.37    1.146   243.04
2009.47    1.145   243.54
2009.57    1.143   244.04
2009.67    1.142   244.55
2009.77    1.140   245.05
2009.87    1.137   245.56
2009.97    1.135   246.06
2010.07    1.132   246.57
2010.17    1.128   247.09
2010.27    1.124   247.60
2010.37    1.120   248.12
2010.47    1.116   248.65
2010.57    1.111   249.18
2010.67    1.106   249.71
2010.77    1.101   250.25
2010.87    1.095   250.79
2010.97    1.090   251.34
2011.07    1.083   251.90
2011.17    1.077   252.46
2011.27    1.070   253.03
2011.37    1.063   253.60
2011.47    1.056   254.19
2011.57    1.048   254.78
2011.67    1.041   255.38
2011.77    1.033   255.99
2011.87    1.024   256.61
2011.97    1.016   257.24
2012.07    1.007   257.88
2012.17    0.998   258.53
2012.27    0.989   259.20
2012.37    0.980   259.87
2012.47    0.970   260.56
2012.57    0.961   261.27
2012.67    0.951   261.98
2012.77    0.941   262.72
2012.87    0.931   263.47
2012.97    0.921   264.23
2013.07    0.910   265.01
2013.17    0.900   265.81
2013.27    0.889   266.63
2013.37    0.878   267.47
2013.47    0.868   268.33
2013.57    0.857   269.21
2013.67    0.846   270.12
2013.77    0.835   271.05
2013.87    0.824   272.00
2013.97    0.813   272.98
2014.07    0.802   273.98
2014.17    0.791   275.01
2014.27    0.781   276.07
2014.37    0.770   277.17
2014.47    0.759   278.29
2014.57    0.748   279.44
2014.67    0.738   280.63
2014.77    0.727   281.85
2014.87    0.717   283.11
2014.97    0.707   284.40
2015.07    0.697   285.73
2015.17    0.687   287.10
2015.27    0.678   288.50
2015.37    0.669   289.95
2015.47    0.660   291.44
2015.57    0.651   292.96
2015.67    0.642   294.53
2015.77    0.634   296.14
2015.87    0.627   297.79
2015.97    0.619   299.48
2016.07    0.612   301.21
2016.17    0.606   302.98
2016.27    0.600   304.78
2016.37    0.594   306.62
2016.47    0.589   308.49
2016.57    0.584   310.40
2016.67    0.580   312.33
2016.77    0.577   314.29
2016.87    0.574   316.27
2016.97    0.571   318.27
2017.07    0.569   320.29
2017.17    0.568   322.32
2017.27    0.567   324.35
2017.37    0.567   326.39
2017.47    0.568   328.43
2017.57    0.569   330.46
2017.67    0.570   332.48
2017.77    0.572   334.49
2017.87    0.575   336.48
2017.97    0.579   338.45
2018.07    0.583   340.40
2018.17    0.587   342.31
2018.27    0.592   344.20
2018.37    0.598   346.05
2018.47    0.604   347.87
2018.57    0.610   349.65
2018.67    0.617   351.40
2018.77    0.624   353.10
2018.87    0.632   354.76
2018.97    0.640   356.38
2019.07    0.649   357.96
2019.17    0.658   359.50
2019.27    0.667     0.99
2019.37    0.676     2.44
2019.47    0.686     3.86
2019.57    0.696     5.23
2019.67    0.707     6.56
2019.77    0.717     7.85
2019.87    0.728     9.11
2019.97    0.739    10.33
2020.07    0.751    11.51
2020.17    0.762    12.65
2020.27    0.774    13.77
2020.37    0.785    14.84
2020.47    0.797    15.89
2020.57    0.809    16.91
2020.67    0.821    17.90
2020.77    0.833    18.85
2020.87    0.846    19.78
2020.97    0.858    20.69
2021.07    0.870    21.56
2021.17    0.883    22.42
2021.27    0.895    23.25
2021.37    0.908    24.05
2021.47    0.921    24.84
2021.57    0.933    25.60
2021.67    0.946    26.34
2021.77    0.958    27.07
2021.87    0.971    27.77
2021.97    0.983    28.46
2022.07    0.996    29.13
2022.17    1.009    29.78
2022.27    1.021    30.42
2022.37    1.034    31.04
2022.47    1.046    31.64
2022.57    1.058    32.24
2022.67    1.071    32.81
2022.77    1.083    33.38
2022.87    1.095    33.93
2022.97    1.107    34.47
2023.07    1.119    35.00
2023.17    1.131    35.52
2023.27    1.143    36.03
2023.37    1.155    36.52
2023.47    1.167    37.01
2023.57    1.179    37.49
2023.67    1.190    37.95
2023.77    1.202    38.41
2023.87    1.213    38.86
2023.97    1.224    39.30
2024.07    1.235    39.74
2024.17    1.247    40.16
2024.27    1.257    40.58
2024.37    1.268    40.99
2024.47    1.279    41.40
2024.57    1.290    41.79
2024.67    1.300    42.18
2024.77    1.311    42.57
2024.87    1.321    42.95
2024.97    1.331    43.32
2025.07    1.341    43.69
2025.17    1.351    44.05
2025.27    1.360    44.41
2025.37    1.370    44.76
2025.47    1.380    45.11
2025.57    1.389    45.45
2025.67    1.398    45.79
2025.77    1.407    46.12
2025.87    1.416    46.45
2025.97    1.425    46.77
2026.07    1.433    47.09
2026.17    1.442    47.41
2026.27    1.450    47.72
2026.37    1.458    48.03
2026.47    1.466    48.34
2026.57    1.474    48.64
2026.67    1.482    48.94
2026.77    1.489    49.24
2026.87    1.497    49.54
2026.97    1.504    49.83
2027.07    1.511    50.11
2027.17    1.518    50.40
2027.27    1.525    50.68
2027.37    1.532    50.96
2027.47    1.538    51.24
2027.57    1.544    51.52
2027.67    1.550    51.79
2027.77    1.556    52.06
2027.87    1.562    52.33
2027.97    1.568    52.60
2028.07    1.573    52.87
2028.17    1.578    53.13
2028.27    1.584    53.39
2028.37    1.589    53.65
2028.47    1.593    53.91
2028.57    1.598    54.17
2028.67    1.602    54.43
2028.77    1.607    54.68
2028.87    1.611    54.93
2028.97    1.615    55.19
2029.07    1.618    55.44
2029.17    1.622    55.69
2029.27    1.625    55.94
2029.37    1.629    56.18
2029.47    1.632    56.43
2029.57    1.635    56.68
2029.67    1.637    56.92
2029.77    1.640    57.17
2029.87    1.642    57.41
2029.97    1.644    57.65
2030.07    1.646    57.89
2030.17    1.648    58.14
2030.27    1.650    58.38
2030.37    1.651    58.62
2030.47    1.653    58.86
2030.57    1.654    59.10
2030.67    1.655    59.34
2030.77    1.655    59.58
2030.87    1.656    59.82
2030.97    1.656    60.05
2031.07    1.656    60.29
2031.17    1.656    60.53
2031.27    1.656    60.77
2031.37    1.656    61.01
2031.47    1.655    61.25
2031.57    1.655    61.49
2031.67    1.654    61.73
2031.77    1.653    61.97
2031.87    1.651    62.21
2031.97    1.650    62.45
2032.07    1.648    62.69
2032.17    1.647    62.93
2032.27    1.645    63.17
2032.37    1.642    63.42
2032.47    1.640    63.66
2032.57    1.638    63.90
2032.67    1.635    64.15
2032.77    1.632    64.39
2032.87    1.629    64.64
2032.97    1.626    64.89
2033.07    1.622    65.14
2033.17    1.619    65.39
2033.27    1.615    65.64
2033.37    1.611    65.89
2033.47    1.607    66.14
2033.57    1.602    66.40
2033.67    1.598    66.65
2033.77    1.593    66.91
2033.87    1.588    67.17
2033.97    1.583    67.43
2034.07    1.578    67.69
2034.17    1.573    67.96
2034.27    1.567    68.22
2034.37    1.561    68.49
2034.47    1.555    68.76
2034.57    1.549    69.03
2034.67    1.543    69.31
2034.77    1.537    69.58
2034.87    1.530    69.86
2034.97    1.523    70.14
2035.07    1.516    70.43
2035.17    1.509    70.71
2035.27    1.502    71.00
2035.37    1.494    71.30
2035.47    1.487    71.59
2035.57    1.479    71.89
2035.67    1.471    72.19
2035.77    1.463    72.50
2035.87    1.454    72.80
2035.97    1.446    73.12
2036.07    1.437    73.43
2036.17    1.429    73.75
2036.27    1.420    74.07
2036.37    1.410    74.40
2036.47    1.401    74.73
2036.57    1.392    75.07
2036.67    1.382    75.41
2036.77    1.372    75.76
2036.87    1.363    76.11
2036.97    1.352    76.46
2037.07    1.342    76.82
2037.17    1.332    77.19
2037.27    1.321    77.56
2037.37    1.311    77.94
2037.47    1.300    78.32
2037.57    1.289    78.72
2037.67    1.278    79.11
2037.77    1.267    79.52
2037.87    1.256    79.93
2037.97    1.244    80.35
2038.07    1.233    80.78
2038.17    1.221    81.21
2038.27    1.209    81.66
2038.37    1.197    82.11
2038.47    1.185    82.57
2038.57    1.173    83.04
2038.67    1.161    83.53
2038.77    1.148    84.02
2038.87    1.136    84.52
2038.97    1.123    85.03
2039.07    1.111    85.56
2039.17    1.098    86.10
2039.27    1.085    86.65
2039.37    1.072    87.21
2039.47    1.059    87.79
2039.57    1.046    88.38
2039.67    1.033    88.98
2039.77    1.020    89.61
2039.87    1.007    90.25
2039.97    0.993    90.90
2040.07    0.980    91.57
2040.17    0.967    92.27
2040.27    0.953    92.98
2040.37    0.940    93.71
2040.47    0.926    94.46
2040.57    0.913    95.24
2040.67    0.899    96.04
2040.77    0.886    96.86
2040.87    0.873    97.71
2040.97    0.859    98.58
2041.07    0.846    99.48
2041.17    0.833   100.41
2041.27    0.819   101.38
2041.37    0.806   102.37
2041.47    0.793   103.39
2041.57    0.780   104.45
2041.67    0.768   105.55
2041.77    0.755   106.68
2041.87    0.742   107.85
2041.97    0.730   109.06
2042.07    0.718   110.31
2042.17    0.706   111.60
2042.27    0.694   112.94
2042.37    0.683   114.33
2042.47    0.671   115.76
2042.57    0.660   117.23
2042.67    0.650   118.76
2042.77    0.640   120.34
2042.87    0.630   121.97
2042.97    0.620   123.65
2043.07    0.611   125.38
2043.17    0.602   127.16
2043.27    0.594   128.99
2043.37    0.586   130.88
2043.47    0.579   132.81
2043.57    0.572   134.78
2043.67    0.566   136.81
2043.77    0.561   138.87
2043.87    0.556   140.98
2043.97    0.552   143.12
2044.07    0.548   145.29
2044.17    0.545   147.48
2044.27    0.543   149.70
2044.37    0.541   151.93
2044.47    0.540   154.18
2044.57    0.540   156.43
2044.67    0.540   158.68
2044.77    0.541   160.92
2044.87    0.543   163.15
2044.97    0.546   165.36
2045.07    0.549   167.55
2045.17    0.553   169.71
2045.27    0.557   171.84
2045.37    0.562   173.93
2045.47    0.568   175.99
2045.57    0.574   178.00
2045.67    0.581   179.97
2045.77    0.588   181.89
2045.87    0.596   183.76
2045.97    0.604   185.58
2046.07    0.612   187.35
2046.17    0.621   189.08
2046.27    0.631   190.75
2046.37    0.640   192.37
2046.47    0.650   193.95
2046.57    0.661   195.47
2046.67    0.671   196.95






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 17:42:51



www.stella-vega.de