Double Star Calculator - Orbit

Orbital Elements for COU542AA,AB
WDS: COU542AA,AB WDS ID/Discoverer
P: 30.730 Orbital period (years)
a: 0.181 Semi-major axis (arcseconds)
i: 21.2 Inclination (degrees)
Ω: 5.2 Longitude of ascending node (degrees)
T: 1987.533 Epoch of periastron passage (year)
e: 0.375 Eccentricity
ω: 189.6 Longitude of periastron (degrees)
Start-Year: 2009.635 Year
End-Year: 2040.365 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU542AA,AB
Position: 225702.47+244055.9 Epoch-2000 right ascension and declination
WDS-ID: 22570+2441 WDS designation
Discoverer Code: COU542AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 216963 HD catalog number
Hipparcos number: 113323 Hipparcos catalog number
V1: 9.29 Magnitude of the primary
V2: 9.93 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Doc2024b Reference

Double Star Orbit for COU542AA,AB



WDS 6th Orbit including measures of COU542AA,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 COU542AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.206   330.87
--------------------------
2009.63    0.206    55.59
2009.73    0.205    56.38
2009.83    0.203    57.17
2009.93    0.202    57.98
2010.03    0.201    58.80
2010.13    0.200    59.62
2010.23    0.198    60.46
2010.33    0.197    61.31
2010.43    0.196    62.17
2010.53    0.195    63.04
2010.63    0.193    63.92
2010.73    0.192    64.81
2010.83    0.191    65.71
2010.93    0.190    66.63
2011.03    0.188    67.56
2011.13    0.187    68.50
2011.23    0.186    69.46
2011.33    0.184    70.43
2011.43    0.183    71.42
2011.53    0.182    72.42
2011.63    0.180    73.43
2011.73    0.179    74.46
2011.83    0.177    75.51
2011.93    0.176    76.57
2012.03    0.175    77.65
2012.13    0.173    78.74
2012.23    0.172    79.86
2012.33    0.170    80.99
2012.43    0.169    82.14
2012.53    0.168    83.31
2012.63    0.166    84.50
2012.73    0.165    85.71
2012.83    0.163    86.94
2012.93    0.162    88.20
2013.03    0.161    89.47
2013.13    0.159    90.77
2013.23    0.158    92.09
2013.33    0.156    93.43
2013.43    0.155    94.80
2013.53    0.154    96.19
2013.63    0.152    97.60
2013.73    0.151    99.05
2013.83    0.150   100.51
2013.93    0.148   102.01
2014.03    0.147   103.53
2014.13    0.146   105.08
2014.23    0.144   106.66
2014.33    0.143   108.26
2014.43    0.142   109.90
2014.53    0.141   111.56
2014.63    0.139   113.26
2014.73    0.138   114.98
2014.83    0.137   116.74
2014.93    0.136   118.52
2015.03    0.135   120.34
2015.13    0.133   122.19
2015.23    0.132   124.07
2015.33    0.131   125.98
2015.43    0.130   127.92
2015.53    0.129   129.90
2015.63    0.128   131.90
2015.73    0.127   133.94
2015.83    0.126   136.01
2015.93    0.125   138.11
2016.03    0.124   140.24
2016.13    0.123   142.40
2016.23    0.123   144.59
2016.33    0.122   146.81
2016.43    0.121   149.06
2016.53    0.120   151.34
2016.63    0.120   153.65
2016.73    0.119   155.98
2016.83    0.118   158.33
2016.93    0.118   160.72
2017.03    0.117   163.12
2017.13    0.117   165.55
2017.23    0.116   168.00
2017.33    0.116   170.47
2017.43    0.115   172.97
2017.53    0.115   175.48
2017.63    0.114   178.00
2017.73    0.114   180.54
2017.83    0.114   183.10
2017.93    0.114   185.67
2018.03    0.113   188.25
2018.13    0.113   190.84
2018.23    0.113   193.43
2018.33    0.113   196.04
2018.43    0.113   198.64
2018.53    0.113   201.25
2018.63    0.113   203.86
2018.73    0.113   206.47
2018.83    0.113   209.07
2018.93    0.113   211.67
2019.03    0.113   214.26
2019.13    0.113   216.84
2019.23    0.114   219.41
2019.33    0.114   221.96
2019.43    0.115   224.50
2019.53    0.115   227.02
2019.63    0.115   229.52
2019.73    0.116   232.00
2019.83    0.117   234.45
2019.93    0.117   236.88
2020.03    0.118   239.28
2020.13    0.119   241.66
2020.23    0.119   244.00
2020.33    0.120   246.31
2020.43    0.121   248.58
2020.53    0.122   250.83
2020.63    0.123   253.04
2020.73    0.124   255.21
2020.83    0.125   257.35
2020.93    0.126   259.45
2021.03    0.127   261.51
2021.13    0.129   263.54
2021.23    0.130   265.53
2021.33    0.131   267.48
2021.43    0.132   269.39
2021.53    0.134   271.27
2021.63    0.135   273.11
2021.73    0.136   274.92
2021.83    0.138   276.68
2021.93    0.139   278.42
2022.03    0.140   280.12
2022.13    0.142   281.78
2022.23    0.143   283.41
2022.33    0.145   285.01
2022.43    0.146   286.57
2022.53    0.148   288.10
2022.63    0.149   289.60
2022.73    0.151   291.08
2022.83    0.152   292.52
2022.93    0.154   293.93
2023.03    0.156   295.32
2023.13    0.157   296.67
2023.23    0.159   298.00
2023.33    0.160   299.31
2023.43    0.162   300.59
2023.53    0.163   301.85
2023.63    0.165   303.08
2023.73    0.166   304.29
2023.83    0.168   305.47
2023.93    0.169   306.64
2024.03    0.171   307.78
2024.13    0.173   308.91
2024.23    0.174   310.01
2024.33    0.176   311.10
2024.43    0.177   312.16
2024.53    0.179   313.21
2024.63    0.180   314.24
2024.73    0.182   315.26
2024.83    0.183   316.25
2024.93    0.185   317.24
2025.03    0.186   318.20
2025.13    0.187   319.15
2025.23    0.189   320.09
2025.33    0.190   321.01
2025.43    0.192   321.92
2025.53    0.193   322.82
2025.63    0.194   323.70
2025.73    0.196   324.58
2025.83    0.197   325.43
2025.93    0.198   326.28
2026.03    0.200   327.12
2026.13    0.201   327.94
2026.23    0.202   328.76
2026.33    0.204   329.56
2026.43    0.205   330.36
2026.53    0.206   331.14
2026.63    0.207   331.92
2026.73    0.209   332.69
2026.83    0.210   333.45
2026.93    0.211   334.19
2027.03    0.212   334.94
2027.13    0.213   335.67
2027.23    0.214   336.40
2027.33    0.215   337.11
2027.43    0.217   337.82
2027.53    0.218   338.53
2027.63    0.219   339.23
2027.73    0.220   339.92
2027.83    0.221   340.60
2027.93    0.222   341.28
2028.03    0.223   341.95
2028.13    0.224   342.62
2028.23    0.225   343.28
2028.33    0.226   343.93
2028.43    0.226   344.58
2028.53    0.227   345.22
2028.63    0.228   345.86
2028.73    0.229   346.50
2028.83    0.230   347.13
2028.93    0.231   347.75
2029.03    0.232   348.37
2029.13    0.232   348.99
2029.23    0.233   349.60
2029.33    0.234   350.21
2029.43    0.235   350.82
2029.53    0.235   351.42
2029.63    0.236   352.01
2029.73    0.237   352.61
2029.83    0.237   353.20
2029.93    0.238   353.79
2030.03    0.239   354.37
2030.13    0.239   354.95
2030.23    0.240   355.53
2030.33    0.240   356.11
2030.43    0.241   356.68
2030.53    0.241   357.25
2030.63    0.242   357.82
2030.73    0.242   358.39
2030.83    0.243   358.95
2030.93    0.243   359.51
2031.03    0.244     0.07
2031.13    0.244     0.63
2031.23    0.244     1.18
2031.33    0.245     1.74
2031.43    0.245     2.29
2031.53    0.246     2.84
2031.63    0.246     3.39
2031.73    0.246     3.94
2031.83    0.246     4.49
2031.93    0.247     5.03
2032.03    0.247     5.58
2032.13    0.247     6.12
2032.23    0.247     6.66
2032.33    0.248     7.20
2032.43    0.248     7.74
2032.53    0.248     8.28
2032.63    0.248     8.82
2032.73    0.248     9.36
2032.83    0.248     9.90
2032.93    0.248    10.44
2033.03    0.248    10.98
2033.13    0.248    11.51
2033.23    0.248    12.05
2033.33    0.249    12.59
2033.43    0.248    13.12
2033.53    0.248    13.66
2033.63    0.248    14.20
2033.73    0.248    14.74
2033.83    0.248    15.27
2033.93    0.248    15.81
2034.03    0.248    16.35
2034.13    0.248    16.89
2034.23    0.248    17.43
2034.33    0.248    17.97
2034.43    0.247    18.51
2034.53    0.247    19.06
2034.63    0.247    19.60
2034.73    0.247    20.14
2034.83    0.246    20.69
2034.93    0.246    21.24
2035.03    0.246    21.78
2035.13    0.246    22.33
2035.23    0.245    22.88
2035.33    0.245    23.44
2035.43    0.245    23.99
2035.53    0.244    24.55
2035.63    0.244    25.10
2035.73    0.243    25.66
2035.83    0.243    26.22
2035.93    0.242    26.79
2036.03    0.242    27.35
2036.13    0.241    27.92
2036.23    0.241    28.49
2036.33    0.240    29.06
2036.43    0.240    29.64
2036.53    0.239    30.22
2036.63    0.239    30.80
2036.73    0.238    31.38
2036.83    0.238    31.97
2036.93    0.237    32.56
2037.03    0.236    33.15
2037.13    0.236    33.74
2037.23    0.235    34.34
2037.33    0.234    34.95
2037.43    0.234    35.55
2037.53    0.233    36.16
2037.63    0.232    36.78
2037.73    0.231    37.39
2037.83    0.231    38.02
2037.93    0.230    38.64
2038.03    0.229    39.27
2038.13    0.228    39.91
2038.23    0.227    40.55
2038.33    0.226    41.19
2038.43    0.226    41.84
2038.53    0.225    42.50
2038.63    0.224    43.16
2038.73    0.223    43.82
2038.83    0.222    44.49
2038.93    0.221    45.17
2039.03    0.220    45.85
2039.13    0.219    46.54
2039.23    0.218    47.24
2039.33    0.217    47.94
2039.43    0.216    48.65
2039.53    0.215    49.36
2039.63    0.214    50.08
2039.73    0.213    50.81
2039.83    0.212    51.55
2039.93    0.211    52.29
2040.03    0.209    53.05
2040.13    0.208    53.81
2040.23    0.207    54.58
2040.33    0.206    55.35






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 18:45:34



www.stella-vega.de