Double Star Calculator - Orbit

Orbital Elements for COU2530AB
WDS: COU2530AB WDS ID/Discoverer
P: 55.000 Orbital period (years)
a: 0.25 Semi-major axis (arcseconds)
i: 74.2 Inclination (degrees)
Ω: 159.6 Longitude of ascending node (degrees)
T: 2022.900 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 38.4 Longitude of periastron (degrees)
Start-Year: 1997.5 Year
End-Year: 2052.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU2530AB
Position: 195124.76+404407.1 Epoch-2000 right ascension and declination
WDS-ID: 19514+4044 WDS designation
Discoverer Code: COU2530AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 226195 HD catalog number
Hipparcos number: 97706 Hipparcos catalog number
V1: 8.91 Magnitude of the primary
V2: 9.38 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 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: Tok2019e Reference

Double Star Orbit for COU2530AB



WDS 6th Orbit including measures of COU2530AB

-- 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 COU2530AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.047   261.37
--------------------------
1997.50    0.256   354.75
1997.60    0.255   354.91
1997.70    0.253   355.07
1997.80    0.252   355.23
1997.90    0.251   355.39
1998.00    0.249   355.55
1998.10    0.248   355.72
1998.20    0.247   355.88
1998.30    0.245   356.05
1998.40    0.244   356.22
1998.50    0.243   356.40
1998.60    0.241   356.57
1998.70    0.240   356.75
1998.80    0.238   356.92
1998.90    0.237   357.11
1999.00    0.236   357.29
1999.10    0.234   357.47
1999.20    0.233   357.66
1999.30    0.231   357.85
1999.40    0.230   358.04
1999.50    0.228   358.24
1999.60    0.227   358.43
1999.70    0.225   358.63
1999.80    0.224   358.84
1999.90    0.222   359.04
2000.00    0.221   359.25
2000.10    0.219   359.46
2000.20    0.218   359.67
2000.30    0.216   359.89
2000.40    0.215     0.11
2000.50    0.213     0.33
2000.60    0.212     0.56
2000.70    0.210     0.79
2000.80    0.208     1.02
2000.90    0.207     1.26
2001.00    0.205     1.50
2001.10    0.204     1.75
2001.20    0.202     1.99
2001.30    0.200     2.25
2001.40    0.199     2.50
2001.50    0.197     2.76
2001.60    0.196     3.03
2001.70    0.194     3.30
2001.80    0.192     3.57
2001.90    0.191     3.85
2002.00    0.189     4.13
2002.10    0.187     4.42
2002.20    0.186     4.72
2002.30    0.184     5.01
2002.40    0.182     5.32
2002.50    0.181     5.63
2002.60    0.179     5.95
2002.70    0.177     6.27
2002.80    0.175     6.60
2002.90    0.174     6.93
2003.00    0.172     7.27
2003.10    0.170     7.62
2003.20    0.169     7.98
2003.30    0.167     8.34
2003.40    0.165     8.71
2003.50    0.164     9.09
2003.60    0.162     9.47
2003.70    0.160     9.87
2003.80    0.158    10.27
2003.90    0.157    10.68
2004.00    0.155    11.10
2004.10    0.153    11.53
2004.20    0.151    11.97
2004.30    0.150    12.42
2004.40    0.148    12.88
2004.50    0.146    13.36
2004.60    0.145    13.84
2004.70    0.143    14.33
2004.80    0.141    14.84
2004.90    0.139    15.36
2005.00    0.138    15.89
2005.10    0.136    16.44
2005.20    0.134    17.00
2005.30    0.133    17.57
2005.40    0.131    18.16
2005.50    0.129    18.76
2005.60    0.127    19.38
2005.70    0.126    20.02
2005.80    0.124    20.68
2005.90    0.122    21.35
2006.00    0.121    22.04
2006.10    0.119    22.75
2006.20    0.118    23.48
2006.30    0.116    24.23
2006.40    0.114    25.00
2006.50    0.113    25.79
2006.60    0.111    26.61
2006.70    0.110    27.44
2006.80    0.108    28.31
2006.90    0.106    29.20
2007.00    0.105    30.11
2007.10    0.103    31.05
2007.20    0.102    32.02
2007.30    0.101    33.01
2007.40    0.099    34.04
2007.50    0.098    35.09
2007.60    0.096    36.18
2007.70    0.095    37.30
2007.80    0.094    38.44
2007.90    0.092    39.62
2008.00    0.091    40.84
2008.10    0.090    42.08
2008.20    0.089    43.36
2008.30    0.088    44.68
2008.40    0.086    46.02
2008.50    0.085    47.40
2008.60    0.084    48.82
2008.70    0.083    50.27
2008.80    0.083    51.75
2008.90    0.082    53.27
2009.00    0.081    54.81
2009.10    0.080    56.39
2009.20    0.079    58.00
2009.30    0.079    59.63
2009.40    0.078    61.29
2009.50    0.078    62.98
2009.60    0.077    64.69
2009.70    0.077    66.42
2009.80    0.076    68.16
2009.90    0.076    69.92
2010.00    0.076    71.69
2010.10    0.076    73.47
2010.20    0.076    75.26
2010.30    0.076    77.05
2010.40    0.076    78.83
2010.50    0.076    80.62
2010.60    0.076    82.40
2010.70    0.076    84.16
2010.80    0.076    85.92
2010.90    0.077    87.66
2011.00    0.077    89.38
2011.10    0.078    91.08
2011.20    0.078    92.76
2011.30    0.079    94.42
2011.40    0.080    96.05
2011.50    0.080    97.65
2011.60    0.081    99.22
2011.70    0.082   100.76
2011.80    0.083   102.27
2011.90    0.084   103.74
2012.00    0.085   105.19
2012.10    0.086   106.60
2012.20    0.087   107.98
2012.30    0.088   109.32
2012.40    0.089   110.63
2012.50    0.090   111.91
2012.60    0.091   113.15
2012.70    0.092   114.37
2012.80    0.094   115.55
2012.90    0.095   116.70
2013.00    0.096   117.82
2013.10    0.097   118.91
2013.20    0.099   119.97
2013.30    0.100   121.00
2013.40    0.102   122.00
2013.50    0.103   122.98
2013.60    0.104   123.93
2013.70    0.106   124.86
2013.80    0.107   125.76
2013.90    0.109   126.63
2014.00    0.110   127.49
2014.10    0.111   128.32
2014.20    0.113   129.13
2014.30    0.114   129.92
2014.40    0.116   130.69
2014.50    0.117   131.44
2014.60    0.119   132.18
2014.70    0.120   132.89
2014.80    0.122   133.59
2014.90    0.123   134.27
2015.00    0.125   134.94
2015.10    0.126   135.59
2015.20    0.127   136.22
2015.30    0.129   136.84
2015.40    0.130   137.45
2015.50    0.132   138.05
2015.60    0.133   138.63
2015.70    0.134   139.20
2015.80    0.136   139.76
2015.90    0.137   140.31
2016.00    0.138   140.85
2016.10    0.140   141.38
2016.20    0.141   141.89
2016.30    0.142   142.40
2016.40    0.144   142.90
2016.50    0.145   143.39
2016.60    0.146   143.88
2016.70    0.147   144.35
2016.80    0.148   144.82
2016.90    0.149   145.28
2017.00    0.150   145.74
2017.10    0.151   146.18
2017.20    0.152   146.63
2017.30    0.153   147.06
2017.40    0.154   147.49
2017.50    0.155   147.92
2017.60    0.156   148.34
2017.70    0.157   148.76
2017.80    0.158   149.17
2017.90    0.159   149.57
2018.00    0.159   149.98
2018.10    0.160   150.38
2018.20    0.161   150.78
2018.30    0.161   151.17
2018.40    0.162   151.56
2018.50    0.162   151.95
2018.60    0.163   152.34
2018.70    0.163   152.72
2018.80    0.163   153.11
2018.90    0.164   153.49
2019.00    0.164   153.87
2019.10    0.164   154.25
2019.20    0.164   154.63
2019.30    0.164   155.00
2019.40    0.164   155.38
2019.50    0.164   155.76
2019.60    0.164   156.14
2019.70    0.164   156.52
2019.80    0.164   156.90
2019.90    0.163   157.28
2020.00    0.163   157.67
2020.10    0.162   158.05
2020.20    0.162   158.44
2020.30    0.161   158.83
2020.40    0.161   159.23
2020.50    0.160   159.63
2020.60    0.159   160.03
2020.70    0.158   160.43
2020.80    0.157   160.84
2020.90    0.156   161.26
2021.00    0.155   161.68
2021.10    0.154   162.11
2021.20    0.153   162.54
2021.30    0.151   162.99
2021.40    0.150   163.44
2021.50    0.148   163.90
2021.60    0.147   164.37
2021.70    0.145   164.84
2021.80    0.143   165.33
2021.90    0.142   165.84
2022.00    0.140   166.35
2022.10    0.138   166.88
2022.20    0.136   167.42
2022.30    0.134   167.99
2022.40    0.132   168.56
2022.50    0.130   169.16
2022.60    0.127   169.78
2022.70    0.125   170.42
2022.80    0.123   171.09
2022.90    0.120   171.78
2023.00    0.118   172.50
2023.10    0.115   173.25
2023.20    0.113   174.04
2023.30    0.110   174.86
2023.40    0.107   175.72
2023.50    0.105   176.63
2023.60    0.102   177.59
2023.70    0.099   178.60
2023.80    0.096   179.67
2023.90    0.094   180.80
2024.00    0.091   182.00
2024.10    0.088   183.28
2024.20    0.085   184.65
2024.30    0.082   186.11
2024.40    0.079   187.68
2024.50    0.077   189.36
2024.60    0.074   191.17
2024.70    0.071   193.12
2024.80    0.068   195.22
2024.90    0.066   197.50
2025.00    0.063   199.97
2025.10    0.061   202.63
2025.20    0.058   205.52
2025.30    0.056   208.65
2025.40    0.054   212.02
2025.50    0.052   215.65
2025.60    0.050   219.53
2025.70    0.049   223.67
2025.80    0.048   228.05
2025.90    0.047   232.62
2026.00    0.046   237.36
2026.10    0.046   242.20
2026.20    0.046   247.09
2026.30    0.046   251.95
2026.40    0.047   256.73
2026.50    0.047   261.37
2026.60    0.049   265.81
2026.70    0.050   270.02
2026.80    0.052   273.99
2026.90    0.053   277.70
2027.00    0.055   281.15
2027.10    0.058   284.34
2027.20    0.060   287.29
2027.30    0.062   290.02
2027.40    0.065   292.53
2027.50    0.068   294.85
2027.60    0.070   296.99
2027.70    0.073   298.97
2027.80    0.076   300.80
2027.90    0.079   302.49
2028.00    0.082   304.07
2028.10    0.085   305.53
2028.20    0.088   306.89
2028.30    0.091   308.16
2028.40    0.094   309.36
2028.50    0.097   310.47
2028.60    0.100   311.52
2028.70    0.103   312.50
2028.80    0.106   313.43
2028.90    0.110   314.31
2029.00    0.113   315.13
2029.10    0.116   315.92
2029.20    0.119   316.66
2029.30    0.122   317.37
2029.40    0.125   318.04
2029.50    0.128   318.68
2029.60    0.131   319.29
2029.70    0.134   319.87
2029.80    0.137   320.43
2029.90    0.140   320.97
2030.00    0.143   321.48
2030.10    0.146   321.97
2030.20    0.148   322.44
2030.30    0.151   322.90
2030.40    0.154   323.33
2030.50    0.157   323.75
2030.60    0.160   324.16
2030.70    0.163   324.55
2030.80    0.165   324.93
2030.90    0.168   325.30
2031.00    0.171   325.66
2031.10    0.174   326.00
2031.20    0.176   326.33
2031.30    0.179   326.66
2031.40    0.181   326.97
2031.50    0.184   327.28
2031.60    0.187   327.58
2031.70    0.189   327.86
2031.80    0.192   328.15
2031.90    0.194   328.42
2032.00    0.197   328.69
2032.10    0.199   328.95
2032.20    0.201   329.20
2032.30    0.204   329.45
2032.40    0.206   329.69
2032.50    0.209   329.93
2032.60    0.211   330.16
2032.70    0.213   330.39
2032.80    0.215   330.61
2032.90    0.218   330.83
2033.00    0.220   331.05
2033.10    0.222   331.25
2033.20    0.224   331.46
2033.30    0.226   331.66
2033.40    0.228   331.86
2033.50    0.230   332.05
2033.60    0.232   332.24
2033.70    0.234   332.43
2033.80    0.236   332.62
2033.90    0.238   332.80
2034.00    0.240   332.97
2034.10    0.242   333.15
2034.20    0.244   333.32
2034.30    0.246   333.49
2034.40    0.248   333.66
2034.50    0.250   333.83
2034.60    0.251   333.99
2034.70    0.253   334.15
2034.80    0.255   334.31
2034.90    0.257   334.46
2035.00    0.258   334.62
2035.10    0.260   334.77
2035.20    0.262   334.92
2035.30    0.263   335.07
2035.40    0.265   335.21
2035.50    0.266   335.36
2035.60    0.268   335.50
2035.70    0.269   335.64
2035.80    0.271   335.78
2035.90    0.272   335.92
2036.00    0.274   336.06
2036.10    0.275   336.19
2036.20    0.277   336.33
2036.30    0.278   336.46
2036.40    0.279   336.59
2036.50    0.281   336.72
2036.60    0.282   336.85
2036.70    0.283   336.98
2036.80    0.284   337.11
2036.90    0.286   337.23
2037.00    0.287   337.36
2037.10    0.288   337.48
2037.20    0.289   337.60
2037.30    0.290   337.72
2037.40    0.291   337.84
2037.50    0.293   337.96
2037.60    0.294   338.08
2037.70    0.295   338.20
2037.80    0.296   338.32
2037.90    0.297   338.43
2038.00    0.298   338.55
2038.10    0.299   338.66
2038.20    0.300   338.78
2038.30    0.301   338.89
2038.40    0.301   339.00
2038.50    0.302   339.12
2038.60    0.303   339.23
2038.70    0.304   339.34
2038.80    0.305   339.45
2038.90    0.306   339.56
2039.00    0.306   339.67
2039.10    0.307   339.78
2039.20    0.308   339.88
2039.30    0.309   339.99
2039.40    0.309   340.10
2039.50    0.310   340.21
2039.60    0.311   340.31
2039.70    0.311   340.42
2039.80    0.312   340.52
2039.90    0.312   340.63
2040.00    0.313   340.73
2040.10    0.314   340.84
2040.20    0.314   340.94
2040.30    0.315   341.04
2040.40    0.315   341.15
2040.50    0.316   341.25
2040.60    0.316   341.35
2040.70    0.316   341.45
2040.80    0.317   341.55
2040.90    0.317   341.66
2041.00    0.318   341.76
2041.10    0.318   341.86
2041.20    0.318   341.96
2041.30    0.319   342.06
2041.40    0.319   342.16
2041.50    0.319   342.26
2041.60    0.319   342.36
2041.70    0.320   342.46
2041.80    0.320   342.56
2041.90    0.320   342.66
2042.00    0.320   342.76
2042.10    0.321   342.86
2042.20    0.321   342.96
2042.30    0.321   343.06
2042.40    0.321   343.16
2042.50    0.321   343.26
2042.60    0.321   343.35
2042.70    0.321   343.45
2042.80    0.321   343.55
2042.90    0.321   343.65
2043.00    0.321   343.75
2043.10    0.321   343.85
2043.20    0.321   343.95
2043.30    0.321   344.05
2043.40    0.321   344.15
2043.50    0.321   344.24
2043.60    0.321   344.34
2043.70    0.321   344.44
2043.80    0.321   344.54
2043.90    0.321   344.64
2044.00    0.321   344.74
2044.10    0.320   344.84
2044.20    0.320   344.94
2044.30    0.320   345.04
2044.40    0.320   345.14
2044.50    0.320   345.24
2044.60    0.319   345.34
2044.70    0.319   345.44
2044.80    0.319   345.54
2044.90    0.319   345.64
2045.00    0.318   345.74
2045.10    0.318   345.84
2045.20    0.318   345.94
2045.30    0.317   346.04
2045.40    0.317   346.14
2045.50    0.317   346.25
2045.60    0.316   346.35
2045.70    0.316   346.45
2045.80    0.315   346.55
2045.90    0.315   346.66
2046.00    0.314   346.76
2046.10    0.314   346.86
2046.20    0.313   346.97
2046.30    0.313   347.07
2046.40    0.312   347.17
2046.50    0.312   347.28
2046.60    0.311   347.38
2046.70    0.311   347.49
2046.80    0.310   347.60
2046.90    0.310   347.70
2047.00    0.309   347.81
2047.10    0.308   347.92
2047.20    0.308   348.02
2047.30    0.307   348.13
2047.40    0.306   348.24
2047.50    0.306   348.35
2047.60    0.305   348.46
2047.70    0.304   348.57
2047.80    0.304   348.68
2047.90    0.303   348.79
2048.00    0.302   348.90
2048.10    0.301   349.01
2048.20    0.301   349.13
2048.30    0.300   349.24
2048.40    0.299   349.35
2048.50    0.298   349.47
2048.60    0.298   349.58
2048.70    0.297   349.70
2048.80    0.296   349.81
2048.90    0.295   349.93
2049.00    0.294   350.05
2049.10    0.293   350.17
2049.20    0.292   350.29
2049.30    0.291   350.41
2049.40    0.291   350.53
2049.50    0.290   350.65
2049.60    0.289   350.77
2049.70    0.288   350.89
2049.80    0.287   351.02
2049.90    0.286   351.14
2050.00    0.285   351.27
2050.10    0.284   351.39
2050.20    0.283   351.52
2050.30    0.282   351.65
2050.40    0.281   351.78
2050.50    0.280   351.91
2050.60    0.278   352.04
2050.70    0.277   352.17
2050.80    0.276   352.30
2050.90    0.275   352.44
2051.00    0.274   352.57
2051.10    0.273   352.71
2051.20    0.272   352.85
2051.30    0.271   352.99
2051.40    0.270   353.13
2051.50    0.268   353.27
2051.60    0.267   353.41
2051.70    0.266   353.55
2051.80    0.265   353.70
2051.90    0.264   353.85
2052.00    0.262   353.99
2052.10    0.261   354.14
2052.20    0.260   354.29
2052.30    0.259   354.44
2052.40    0.257   354.60






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 18:09:20



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