Double Star Calculator - Orbit

Orbital Elements for COU2682
WDS: COU2682 WDS ID/Discoverer
P: 45.880 Orbital period (years)
a: 0.3111 Semi-major axis (arcseconds)
i: 67.3 Inclination (degrees)
Ω: 326.9 Longitude of ascending node (degrees)
T: 2007.580 Epoch of periastron passage (year)
e: 0.0531 Eccentricity
ω: 351.1 Longitude of periastron (degrees)
Start-Year: 2002.06 Year
End-Year: 2047.94 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for COU2682
Position: 042547.49+180102.5 Epoch-2000 right ascension and declination
WDS-ID: 04258+1800 WDS designation
Discoverer Code: COU2682 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 27990 HD catalog number
Hipparcos number: 20679 Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 10.5 Magnitude of the secondary
Equinox: Equinox
Date: 2024 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2025b Reference

Double Star Orbit for COU2682



WDS 6th Orbit including measures of COU2682

-- 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 COU2682
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.269   130.44
--------------------------
2002.06    0.191   296.57
2002.16    0.194   297.36
2002.26    0.196   298.13
2002.36    0.199   298.88
2002.46    0.201   299.61
2002.56    0.204   300.32
2002.66    0.207   301.02
2002.76    0.209   301.69
2002.86    0.212   302.35
2002.96    0.214   303.00
2003.06    0.217   303.63
2003.16    0.219   304.25
2003.26    0.222   304.85
2003.36    0.224   305.44
2003.46    0.226   306.02
2003.56    0.229   306.58
2003.66    0.231   307.14
2003.76    0.233   307.68
2003.86    0.236   308.21
2003.96    0.238   308.73
2004.06    0.240   309.24
2004.16    0.242   309.75
2004.26    0.245   310.24
2004.36    0.247   310.73
2004.46    0.249   311.20
2004.56    0.251   311.67
2004.66    0.253   312.13
2004.76    0.255   312.59
2004.86    0.257   313.04
2004.96    0.259   313.48
2005.06    0.260   313.91
2005.16    0.262   314.34
2005.26    0.264   314.76
2005.36    0.266   315.18
2005.46    0.267   315.59
2005.56    0.269   316.00
2005.66    0.271   316.40
2005.76    0.272   316.80
2005.86    0.274   317.19
2005.96    0.275   317.58
2006.06    0.277   317.96
2006.16    0.278   318.34
2006.26    0.279   318.72
2006.36    0.280   319.09
2006.46    0.282   319.47
2006.56    0.283   319.83
2006.66    0.284   320.20
2006.76    0.285   320.56
2006.86    0.286   320.92
2006.96    0.287   321.28
2007.06    0.288   321.63
2007.16    0.289   321.98
2007.26    0.289   322.33
2007.36    0.290   322.68
2007.46    0.291   323.03
2007.56    0.291   323.37
2007.66    0.292   323.72
2007.76    0.293   324.06
2007.86    0.293   324.40
2007.96    0.293   324.74
2008.06    0.294   325.08
2008.16    0.294   325.42
2008.26    0.294   325.76
2008.36    0.295   326.09
2008.46    0.295   326.43
2008.56    0.295   326.77
2008.66    0.295   327.11
2008.76    0.295   327.44
2008.86    0.295   327.78
2008.96    0.295   328.12
2009.06    0.294   328.45
2009.16    0.294   328.79
2009.26    0.294   329.13
2009.36    0.293   329.47
2009.46    0.293   329.81
2009.56    0.293   330.15
2009.66    0.292   330.49
2009.76    0.291   330.84
2009.86    0.291   331.18
2009.96    0.290   331.53
2010.06    0.289   331.88
2010.16    0.289   332.23
2010.26    0.288   332.58
2010.36    0.287   332.94
2010.46    0.286   333.29
2010.56    0.285   333.65
2010.66    0.284   334.01
2010.76    0.283   334.38
2010.86    0.282   334.74
2010.96    0.281   335.11
2011.06    0.279   335.49
2011.16    0.278   335.86
2011.26    0.277   336.24
2011.36    0.275   336.63
2011.46    0.274   337.02
2011.56    0.272   337.41
2011.66    0.271   337.80
2011.76    0.269   338.21
2011.86    0.268   338.61
2011.96    0.266   339.02
2012.06    0.264   339.44
2012.16    0.263   339.86
2012.26    0.261   340.29
2012.36    0.259   340.72
2012.46    0.257   341.16
2012.56    0.255   341.60
2012.66    0.253   342.06
2012.76    0.251   342.52
2012.86    0.249   342.98
2012.96    0.247   343.46
2013.06    0.245   343.94
2013.16    0.243   344.43
2013.26    0.241   344.93
2013.36    0.239   345.44
2013.46    0.237   345.96
2013.56    0.234   346.48
2013.66    0.232   347.02
2013.76    0.230   347.57
2013.86    0.227   348.13
2013.96    0.225   348.70
2014.06    0.223   349.29
2014.16    0.220   349.88
2014.26    0.218   350.49
2014.36    0.215   351.11
2014.46    0.213   351.75
2014.56    0.211   352.40
2014.66    0.208   353.07
2014.76    0.206   353.76
2014.86    0.203   354.46
2014.96    0.201   355.18
2015.06    0.198   355.91
2015.16    0.195   356.67
2015.26    0.193   357.44
2015.36    0.190   358.24
2015.46    0.188   359.06
2015.56    0.185   359.90
2015.66    0.183     0.76
2015.76    0.180     1.65
2015.86    0.178     2.57
2015.96    0.175     3.51
2016.06    0.173     4.47
2016.16    0.170     5.47
2016.26    0.168     6.49
2016.36    0.165     7.55
2016.46    0.163     8.64
2016.56    0.161     9.76
2016.66    0.158    10.91
2016.76    0.156    12.10
2016.86    0.154    13.32
2016.96    0.151    14.58
2017.06    0.149    15.88
2017.16    0.147    17.21
2017.26    0.145    18.59
2017.36    0.143    20.00
2017.46    0.141    21.46
2017.56    0.139    22.95
2017.66    0.137    24.49
2017.76    0.135    26.07
2017.86    0.134    27.68
2017.96    0.132    29.34
2018.06    0.131    31.04
2018.16    0.129    32.77
2018.26    0.128    34.55
2018.36    0.127    36.35
2018.46    0.125    38.20
2018.56    0.124    40.07
2018.66    0.124    41.97
2018.76    0.123    43.90
2018.86    0.122    45.85
2018.96    0.122    47.82
2019.06    0.121    49.81
2019.16    0.121    51.81
2019.26    0.121    53.81
2019.36    0.121    55.82
2019.46    0.121    57.83
2019.56    0.121    59.83
2019.66    0.121    61.83
2019.76    0.122    63.81
2019.86    0.122    65.77
2019.96    0.123    67.72
2020.06    0.124    69.64
2020.16    0.125    71.53
2020.26    0.126    73.40
2020.36    0.127    75.23
2020.46    0.128    77.03
2020.56    0.130    78.79
2020.66    0.131    80.51
2020.76    0.133    82.20
2020.86    0.134    83.84
2020.96    0.136    85.45
2021.06    0.138    87.01
2021.16    0.140    88.53
2021.26    0.142    90.01
2021.36    0.144    91.45
2021.46    0.146    92.85
2021.56    0.148    94.21
2021.66    0.150    95.53
2021.76    0.152    96.82
2021.86    0.154    98.06
2021.96    0.157    99.27
2022.06    0.159   100.44
2022.16    0.162   101.58
2022.26    0.164   102.68
2022.36    0.166   103.76
2022.46    0.169   104.80
2022.56    0.171   105.81
2022.66    0.174   106.79
2022.76    0.177   107.74
2022.86    0.179   108.66
2022.96    0.182   109.56
2023.06    0.184   110.44
2023.16    0.187   111.29
2023.26    0.190   112.11
2023.36    0.192   112.91
2023.46    0.195   113.69
2023.56    0.198   114.45
2023.66    0.200   115.20
2023.76    0.203   115.92
2023.86    0.205   116.62
2023.96    0.208   117.30
2024.06    0.211   117.97
2024.16    0.213   118.62
2024.26    0.216   119.26
2024.36    0.218   119.88
2024.46    0.221   120.48
2024.56    0.224   121.08
2024.66    0.226   121.66
2024.76    0.229   122.22
2024.86    0.231   122.77
2024.96    0.234   123.32
2025.06    0.236   123.85
2025.16    0.239   124.36
2025.26    0.241   124.87
2025.36    0.244   125.37
2025.46    0.246   125.86
2025.56    0.248   126.34
2025.66    0.251   126.81
2025.76    0.253   127.27
2025.86    0.255   127.72
2025.96    0.258   128.17
2026.06    0.260   128.60
2026.16    0.262   129.03
2026.26    0.264   129.46
2026.36    0.266   129.87
2026.46    0.269   130.28
2026.56    0.271   130.68
2026.66    0.273   131.08
2026.76    0.275   131.47
2026.86    0.277   131.86
2026.96    0.279   132.23
2027.06    0.281   132.61
2027.16    0.283   132.98
2027.26    0.285   133.34
2027.36    0.286   133.70
2027.46    0.288   134.06
2027.56    0.290   134.41
2027.66    0.292   134.75
2027.76    0.293   135.09
2027.86    0.295   135.43
2027.96    0.297   135.77
2028.06    0.298   136.10
2028.16    0.300   136.42
2028.26    0.301   136.75
2028.36    0.303   137.07
2028.46    0.304   137.39
2028.56    0.306   137.70
2028.66    0.307   138.01
2028.76    0.308   138.32
2028.86    0.309   138.63
2028.96    0.311   138.93
2029.06    0.312   139.24
2029.16    0.313   139.54
2029.26    0.314   139.83
2029.36    0.315   140.13
2029.46    0.316   140.42
2029.56    0.317   140.72
2029.66    0.318   141.01
2029.76    0.319   141.29
2029.86    0.320   141.58
2029.96    0.321   141.87
2030.06    0.321   142.15
2030.16    0.322   142.43
2030.26    0.323   142.71
2030.36    0.323   143.00
2030.46    0.324   143.27
2030.56    0.324   143.55
2030.66    0.325   143.83
2030.76    0.325   144.11
2030.86    0.326   144.38
2030.96    0.326   144.66
2031.06    0.326   144.93
2031.16    0.327   145.21
2031.26    0.327   145.48
2031.36    0.327   145.76
2031.46    0.327   146.03
2031.56    0.327   146.30
2031.66    0.327   146.57
2031.76    0.327   146.85
2031.86    0.327   147.12
2031.96    0.327   147.39
2032.06    0.327   147.67
2032.16    0.327   147.94
2032.26    0.327   148.21
2032.36    0.326   148.49
2032.46    0.326   148.76
2032.56    0.326   149.04
2032.66    0.325   149.32
2032.76    0.325   149.59
2032.86    0.324   149.87
2032.96    0.324   150.15
2033.06    0.323   150.43
2033.16    0.323   150.71
2033.26    0.322   150.99
2033.36    0.321   151.27
2033.46    0.320   151.56
2033.56    0.320   151.84
2033.66    0.319   152.13
2033.76    0.318   152.42
2033.86    0.317   152.71
2033.96    0.316   153.00
2034.06    0.315   153.30
2034.16    0.314   153.59
2034.26    0.313   153.89
2034.36    0.312   154.19
2034.46    0.310   154.49
2034.56    0.309   154.80
2034.66    0.308   155.11
2034.76    0.307   155.42
2034.86    0.305   155.73
2034.96    0.304   156.05
2035.06    0.302   156.36
2035.16    0.301   156.69
2035.26    0.299   157.01
2035.36    0.298   157.34
2035.46    0.296   157.67
2035.56    0.294   158.01
2035.66    0.293   158.35
2035.76    0.291   158.69
2035.86    0.289   159.04
2035.96    0.287   159.39
2036.06    0.286   159.75
2036.16    0.284   160.11
2036.26    0.282   160.47
2036.36    0.280   160.84
2036.46    0.278   161.22
2036.56    0.276   161.60
2036.66    0.274   161.99
2036.76    0.272   162.38
2036.86    0.270   162.78
2036.96    0.268   163.19
2037.06    0.265   163.60
2037.16    0.263   164.02
2037.26    0.261   164.44
2037.36    0.259   164.88
2037.46    0.256   165.32
2037.56    0.254   165.77
2037.66    0.252   166.23
2037.76    0.249   166.69
2037.86    0.247   167.17
2037.96    0.244   167.65
2038.06    0.242   168.15
2038.16    0.240   168.65
2038.26    0.237   169.17
2038.36    0.235   169.69
2038.46    0.232   170.23
2038.56    0.229   170.78
2038.66    0.227   171.35
2038.76    0.224   171.92
2038.86    0.222   172.51
2038.96    0.219   173.11
2039.06    0.216   173.73
2039.16    0.214   174.36
2039.26    0.211   175.01
2039.36    0.208   175.68
2039.46    0.206   176.36
2039.56    0.203   177.06
2039.66    0.200   177.78
2039.76    0.198   178.52
2039.86    0.195   179.28
2039.96    0.192   180.06
2040.06    0.190   180.87
2040.16    0.187   181.69
2040.26    0.184   182.54
2040.36    0.181   183.42
2040.46    0.179   184.32
2040.56    0.176   185.25
2040.66    0.174   186.21
2040.76    0.171   187.19
2040.86    0.168   188.21
2040.96    0.166   189.26
2041.06    0.163   190.34
2041.16    0.161   191.46
2041.26    0.158   192.61
2041.36    0.156   193.79
2041.46    0.153   195.02
2041.56    0.151   196.28
2041.66    0.149   197.58
2041.76    0.146   198.93
2041.86    0.144   200.31
2041.96    0.142   201.74
2042.06    0.140   203.21
2042.16    0.138   204.72
2042.26    0.136   206.28
2042.36    0.134   207.88
2042.46    0.132   209.53
2042.56    0.131   211.22
2042.66    0.129   212.95
2042.76    0.128   214.72
2042.86    0.126   216.54
2042.96    0.125   218.39
2043.06    0.124   220.28
2043.16    0.123   222.20
2043.26    0.122   224.16
2043.36    0.121   226.15
2043.46    0.120   228.16
2043.56    0.120   230.19
2043.66    0.119   232.24
2043.76    0.119   234.30
2043.86    0.119   236.37
2043.96    0.119   238.45
2044.06    0.119   240.53
2044.16    0.119   242.60
2044.26    0.119   244.66
2044.36    0.120   246.70
2044.46    0.120   248.73
2044.56    0.121   250.74
2044.66    0.122   252.72
2044.76    0.123   254.67
2044.86    0.124   256.59
2044.96    0.125   258.47
2045.06    0.127   260.32
2045.16    0.128   262.13
2045.26    0.129   263.89
2045.36    0.131   265.62
2045.46    0.133   267.30
2045.56    0.135   268.94
2045.66    0.136   270.53
2045.76    0.138   272.08
2045.86    0.140   273.59
2045.96    0.142   275.05
2046.06    0.145   276.48
2046.16    0.147   277.86
2046.26    0.149   279.20
2046.36    0.151   280.49
2046.46    0.154   281.75
2046.56    0.156   282.98
2046.66    0.158   284.16
2046.76    0.161   285.31
2046.86    0.163   286.42
2046.96    0.166   287.51
2047.06    0.168   288.55
2047.16    0.171   289.57
2047.26    0.173   290.56
2047.36    0.176   291.52
2047.46    0.179   292.45
2047.56    0.181   293.35
2047.66    0.184   294.23
2047.76    0.186   295.09
2047.86    0.189   295.92



 

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 15:23:34


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