Double Star Calculator - Orbit

Orbital Elements for AGC13AB
WDS: AGC13AB WDS ID/Discoverer
P: 49.524 Orbital period (years)
a: 0.92224 Semi-major axis (arcseconds)
i: 133.242 Inclination (degrees)
Ω: 161.343 Longitude of ascending node (degrees)
T: 1938.952 Epoch of periastron passage (year)
e: 0.24535 Eccentricity
ω: 116.416 Longitude of periastron (degrees)
Start-Year: 2000.238 Year
End-Year: 2049.762 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for AGC13AB
Position: 211447.49+380243.1 Epoch-2000 right ascension and declination
WDS-ID: 21148+3803 WDS designation
Discoverer Code: AGC13AB Discover designation and components
ADS number: 14787 Aitken Double Star catalog
HD number: 202444 HD catalog number
Hipparcos number: 104887 Hipparcos catalog number
V1: 3.83 Magnitude of the primary
V2: 6.57 Magnitude of the secondary
Equinox: Equinox
Date: 2013 Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for AGC13AB



WDS 6th Orbit including measures of AGC13AB

-- 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 AGC13AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.950   157.89
--------------------------
2000.24    0.798   302.58
2000.34    0.797   301.94
2000.44    0.796   301.29
2000.54    0.795   300.64
2000.64    0.794   299.99
2000.74    0.792   299.34
2000.84    0.791   298.68
2000.94    0.790   298.03
2001.04    0.789   297.37
2001.14    0.788   296.71
2001.24    0.786   296.04
2001.34    0.785   295.38
2001.44    0.784   294.71
2001.54    0.783   294.04
2001.64    0.781   293.37
2001.74    0.780   292.70
2001.84    0.779   292.02
2001.94    0.778   291.34
2002.04    0.777   290.66
2002.14    0.776   289.98
2002.24    0.774   289.30
2002.34    0.773   288.61
2002.44    0.772   287.92
2002.54    0.771   287.24
2002.64    0.770   286.54
2002.74    0.769   285.85
2002.84    0.768   285.15
2002.94    0.767   284.46
2003.04    0.766   283.76
2003.14    0.765   283.06
2003.24    0.764   282.36
2003.34    0.763   281.65
2003.44    0.762   280.95
2003.54    0.761   280.24
2003.64    0.761   279.53
2003.74    0.760   278.82
2003.84    0.759   278.11
2003.94    0.758   277.39
2004.04    0.758   276.68
2004.14    0.757   275.96
2004.24    0.757   275.25
2004.34    0.756   274.53
2004.44    0.755   273.81
2004.54    0.755   273.09
2004.64    0.755   272.37
2004.74    0.754   271.65
2004.84    0.754   270.93
2004.94    0.753   270.20
2005.04    0.753   269.48
2005.14    0.753   268.75
2005.24    0.753   268.03
2005.34    0.753   267.30
2005.44    0.752   266.58
2005.54    0.752   265.85
2005.64    0.752   265.13
2005.74    0.752   264.40
2005.84    0.752   263.68
2005.94    0.753   262.95
2006.04    0.753   262.23
2006.14    0.753   261.50
2006.24    0.753   260.78
2006.34    0.754   260.06
2006.44    0.754   259.33
2006.54    0.754   258.61
2006.64    0.755   257.89
2006.74    0.755   257.17
2006.84    0.756   256.45
2006.94    0.756   255.73
2007.04    0.757   255.01
2007.14    0.758   254.30
2007.24    0.758   253.58
2007.34    0.759   252.87
2007.44    0.760   252.16
2007.54    0.761   251.45
2007.64    0.762   250.74
2007.74    0.763   250.03
2007.84    0.764   249.33
2007.94    0.765   248.63
2008.04    0.766   247.92
2008.14    0.767   247.23
2008.24    0.768   246.53
2008.34    0.769   245.83
2008.44    0.771   245.14
2008.54    0.772   244.45
2008.64    0.773   243.76
2008.74    0.775   243.08
2008.84    0.776   242.40
2008.94    0.778   241.72
2009.04    0.779   241.04
2009.14    0.781   240.36
2009.24    0.783   239.69
2009.34    0.784   239.02
2009.44    0.786   238.36
2009.54    0.788   237.69
2009.64    0.789   237.03
2009.74    0.791   236.38
2009.84    0.793   235.72
2009.94    0.795   235.07
2010.04    0.797   234.42
2010.14    0.799   233.78
2010.24    0.801   233.13
2010.34    0.803   232.49
2010.44    0.805   231.86
2010.54    0.807   231.23
2010.64    0.809   230.60
2010.74    0.811   229.97
2010.84    0.813   229.35
2010.94    0.815   228.73
2011.04    0.817   228.11
2011.14    0.820   227.50
2011.24    0.822   226.89
2011.34    0.824   226.28
2011.44    0.826   225.68
2011.54    0.829   225.08
2011.64    0.831   224.48
2011.74    0.833   223.89
2011.84    0.836   223.30
2011.94    0.838   222.72
2012.04    0.841   222.13
2012.14    0.843   221.55
2012.24    0.845   220.98
2012.34    0.848   220.40
2012.44    0.850   219.84
2012.54    0.853   219.27
2012.64    0.855   218.71
2012.74    0.858   218.15
2012.84    0.860   217.59
2012.94    0.863   217.04
2013.04    0.865   216.49
2013.14    0.868   215.94
2013.24    0.870   215.40
2013.34    0.873   214.86
2013.44    0.876   214.32
2013.54    0.878   213.78
2013.64    0.881   213.25
2013.74    0.883   212.73
2013.84    0.886   212.20
2013.94    0.888   211.68
2014.04    0.891   211.16
2014.14    0.893   210.64
2014.24    0.896   210.13
2014.34    0.899   209.62
2014.44    0.901   209.11
2014.54    0.904   208.61
2014.64    0.906   208.11
2014.74    0.909   207.61
2014.84    0.911   207.11
2014.94    0.914   206.62
2015.04    0.916   206.13
2015.14    0.919   205.64
2015.24    0.921   205.16
2015.34    0.924   204.67
2015.44    0.926   204.19
2015.54    0.928   203.72
2015.64    0.931   203.24
2015.74    0.933   202.77
2015.84    0.936   202.30
2015.94    0.938   201.83
2016.04    0.940   201.37
2016.14    0.943   200.90
2016.24    0.945   200.44
2016.34    0.947   199.98
2016.44    0.950   199.53
2016.54    0.952   199.07
2016.64    0.954   198.62
2016.74    0.956   198.17
2016.84    0.959   197.72
2016.94    0.961   197.28
2017.04    0.963   196.83
2017.14    0.965   196.39
2017.24    0.967   195.95
2017.34    0.969   195.51
2017.44    0.971   195.08
2017.54    0.973   194.64
2017.64    0.975   194.21
2017.74    0.977   193.78
2017.84    0.979   193.35
2017.94    0.981   192.92
2018.04    0.983   192.50
2018.14    0.985   192.07
2018.24    0.986   191.65
2018.34    0.988   191.23
2018.44    0.990   190.81
2018.54    0.991   190.39
2018.64    0.993   189.97
2018.74    0.995   189.56
2018.84    0.996   189.14
2018.94    0.998   188.73
2019.04    0.999   188.32
2019.14    1.001   187.91
2019.24    1.002   187.50
2019.34    1.003   187.09
2019.44    1.005   186.68
2019.54    1.006   186.27
2019.64    1.007   185.87
2019.74    1.008   185.46
2019.84    1.009   185.06
2019.94    1.010   184.66
2020.04    1.011   184.26
2020.14    1.012   183.86
2020.24    1.013   183.46
2020.34    1.014   183.06
2020.44    1.015   182.66
2020.54    1.016   182.26
2020.64    1.017   181.86
2020.74    1.017   181.46
2020.84    1.018   181.07
2020.94    1.019   180.67
2021.04    1.019   180.28
2021.14    1.020   179.88
2021.24    1.020   179.49
2021.34    1.020   179.09
2021.44    1.021   178.70
2021.54    1.021   178.30
2021.64    1.021   177.91
2021.74    1.021   177.51
2021.84    1.021   177.12
2021.94    1.021   176.73
2022.04    1.021   176.33
2022.14    1.021   175.94
2022.24    1.021   175.55
2022.34    1.021   175.15
2022.44    1.020   174.76
2022.54    1.020   174.36
2022.64    1.020   173.97
2022.74    1.019   173.57
2022.84    1.019   173.18
2022.94    1.018   172.78
2023.04    1.017   172.39
2023.14    1.017   171.99
2023.24    1.016   171.59
2023.34    1.015   171.19
2023.44    1.014   170.79
2023.54    1.013   170.39
2023.64    1.012   169.99
2023.74    1.011   169.59
2023.84    1.010   169.19
2023.94    1.008   168.79
2024.04    1.007   168.38
2024.14    1.005   167.98
2024.24    1.004   167.57
2024.34    1.002   167.16
2024.44    1.001   166.75
2024.54    0.999   166.34
2024.64    0.997   165.93
2024.74    0.995   165.51
2024.84    0.993   165.10
2024.94    0.991   164.68
2025.04    0.989   164.26
2025.14    0.987   163.84
2025.24    0.985   163.42
2025.34    0.983   163.00
2025.44    0.980   162.57
2025.54    0.978   162.14
2025.64    0.975   161.71
2025.74    0.973   161.28
2025.84    0.970   160.84
2025.94    0.967   160.41
2026.04    0.964   159.96
2026.14    0.961   159.52
2026.24    0.958   159.08
2026.34    0.955   158.63
2026.44    0.952   158.18
2026.54    0.949   157.72
2026.64    0.945   157.26
2026.74    0.942   156.80
2026.84    0.938   156.34
2026.94    0.935   155.87
2027.04    0.931   155.40
2027.14    0.928   154.92
2027.24    0.924   154.44
2027.34    0.920   153.96
2027.44    0.916   153.47
2027.54    0.912   152.98
2027.64    0.908   152.48
2027.74    0.903   151.98
2027.84    0.899   151.48
2027.94    0.895   150.97
2028.04    0.890   150.45
2028.14    0.886   149.93
2028.24    0.881   149.41
2028.34    0.877   148.88
2028.44    0.872   148.34
2028.54    0.867   147.80
2028.64    0.862   147.25
2028.74    0.857   146.69
2028.84    0.852   146.13
2028.94    0.847   145.56
2029.04    0.842   144.98
2029.14    0.837   144.40
2029.24    0.831   143.81
2029.34    0.826   143.21
2029.44    0.820   142.61
2029.54    0.815   141.99
2029.64    0.809   141.37
2029.74    0.804   140.74
2029.84    0.798   140.10
2029.94    0.792   139.45
2030.04    0.786   138.79
2030.14    0.780   138.12
2030.24    0.775   137.44
2030.34    0.769   136.75
2030.44    0.762   136.05
2030.54    0.756   135.34
2030.64    0.750   134.62
2030.74    0.744   133.88
2030.84    0.738   133.13
2030.94    0.732   132.37
2031.04    0.725   131.60
2031.14    0.719   130.81
2031.24    0.713   130.01
2031.34    0.706   129.19
2031.44    0.700   128.36
2031.54    0.693   127.52
2031.64    0.687   126.65
2031.74    0.681   125.78
2031.84    0.674   124.88
2031.94    0.668   123.97
2032.04    0.661   123.04
2032.14    0.655   122.09
2032.24    0.648   121.12
2032.34    0.642   120.14
2032.44    0.636   119.13
2032.54    0.629   118.10
2032.64    0.623   117.05
2032.74    0.617   115.99
2032.84    0.610   114.90
2032.94    0.604   113.78
2033.04    0.598   112.65
2033.14    0.592   111.49
2033.24    0.586   110.30
2033.34    0.580   109.10
2033.44    0.575   107.87
2033.54    0.569   106.61
2033.64    0.564   105.33
2033.74    0.558   104.03
2033.84    0.553   102.69
2033.94    0.548   101.34
2034.04    0.543    99.96
2034.14    0.538    98.55
2034.24    0.533    97.12
2034.34    0.529    95.66
2034.44    0.524    94.18
2034.54    0.520    92.67
2034.64    0.516    91.14
2034.74    0.512    89.59
2034.84    0.509    88.01
2034.94    0.506    86.42
2035.04    0.502    84.80
2035.14    0.500    83.16
2035.24    0.497    81.51
2035.34    0.495    79.84
2035.44    0.493    78.15
2035.54    0.491    76.45
2035.64    0.489    74.74
2035.74    0.488    73.02
2035.84    0.487    71.29
2035.94    0.486    69.56
2036.04    0.486    67.82
2036.14    0.485    66.07
2036.24    0.485    64.33
2036.34    0.486    62.59
2036.44    0.486    60.85
2036.54    0.487    59.12
2036.64    0.488    57.39
2036.74    0.490    55.68
2036.84    0.491    53.97
2036.94    0.493    52.28
2037.04    0.496    50.60
2037.14    0.498    48.93
2037.24    0.501    47.29
2037.34    0.504    45.66
2037.44    0.507    44.05
2037.54    0.510    42.46
2037.64    0.513    40.89
2037.74    0.517    39.34
2037.84    0.521    37.82
2037.94    0.525    36.32
2038.04    0.529    34.84
2038.14    0.533    33.38
2038.24    0.538    31.95
2038.34    0.542    30.54
2038.44    0.547    29.16
2038.54    0.552    27.80
2038.64    0.557    26.46
2038.74    0.562    25.15
2038.84    0.567    23.86
2038.94    0.572    22.60
2039.04    0.577    21.35
2039.14    0.583    20.13
2039.24    0.588    18.93
2039.34    0.593    17.76
2039.44    0.599    16.60
2039.54    0.604    15.47
2039.64    0.610    14.35
2039.74    0.615    13.26
2039.84    0.620    12.18
2039.94    0.626    11.12
2040.04    0.631    10.08
2040.14    0.637     9.06
2040.24    0.642     8.06
2040.34    0.647     7.07
2040.44    0.653     6.10
2040.54    0.658     5.14
2040.64    0.663     4.20
2040.74    0.668     3.27
2040.84    0.673     2.36
2040.94    0.678     1.46
2041.04    0.683     0.57
2041.14    0.688   359.70
2041.24    0.693   358.84
2041.34    0.698   357.99
2041.44    0.703   357.16
2041.54    0.707   356.33
2041.64    0.712   355.51
2041.74    0.716   354.71
2041.84    0.721   353.91
2041.94    0.725   353.13
2042.04    0.729   352.35
2042.14    0.733   351.58
2042.24    0.737   350.82
2042.34    0.741   350.07
2042.44    0.745   349.33
2042.54    0.749   348.59
2042.64    0.752   347.86
2042.74    0.756   347.14
2042.84    0.759   346.42
2042.94    0.763   345.71
2043.04    0.766   345.01
2043.14    0.769   344.31
2043.24    0.772   343.62
2043.34    0.775   342.94
2043.44    0.778   342.25
2043.54    0.780   341.58
2043.64    0.783   340.91
2043.74    0.786   340.24
2043.84    0.788   339.58
2043.94    0.790   338.92
2044.04    0.793   338.26
2044.14    0.795   337.61
2044.24    0.797   336.96
2044.34    0.799   336.32
2044.44    0.801   335.67
2044.54    0.802   335.04
2044.64    0.804   334.40
2044.74    0.806   333.77
2044.84    0.807   333.13
2044.94    0.809   332.51
2045.04    0.810   331.88
2045.14    0.811   331.25
2045.24    0.812   330.63
2045.34    0.813   330.01
2045.44    0.814   329.39
2045.54    0.815   328.77
2045.64    0.816   328.15
2045.74    0.817   327.54
2045.84    0.817   326.92
2045.94    0.818   326.31
2046.04    0.819   325.69
2046.14    0.819   325.08
2046.24    0.819   324.47
2046.34    0.820   323.86
2046.44    0.820   323.25
2046.54    0.820   322.64
2046.64    0.820   322.03
2046.74    0.820   321.42
2046.84    0.820   320.80
2046.94    0.820   320.19
2047.04    0.820   319.58
2047.14    0.819   318.97
2047.24    0.819   318.36
2047.34    0.819   317.75
2047.44    0.818   317.14
2047.54    0.818   316.52
2047.64    0.818   315.91
2047.74    0.817   315.29
2047.84    0.816   314.68
2047.94    0.816   314.06
2048.04    0.815   313.44
2048.14    0.814   312.82
2048.24    0.814   312.21
2048.34    0.813   311.58
2048.44    0.812   310.96
2048.54    0.811   310.34
2048.64    0.810   309.71
2048.74    0.809   309.09
2048.84    0.808   308.46
2048.94    0.807   307.83
2049.04    0.806   307.20
2049.14    0.805   306.57
2049.24    0.804   305.93
2049.34    0.803   305.30
2049.44    0.802   304.66
2049.54    0.801   304.02
2049.64    0.800   303.38
2049.74    0.799   302.74






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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.


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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 18:24:16



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