Double Star Calculator - Orbit

Orbital Elements for COU1746
WDS: COU1746 WDS ID/Discoverer
P: 58.520 Orbital period (years)
a: 0.224 Semi-major axis (arcseconds)
i: 19.2 Inclination (degrees)
Ω: 113.2 Longitude of ascending node (degrees)
T: 1972.670 Epoch of periastron passage (year)
e: 0.845 Eccentricity
ω: 22.2 Longitude of periastron (degrees)
Start-Year: 1995.74 Year
End-Year: 2054.26 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU1746
Position: 105426.21+383936.6 Epoch-2000 right ascension and declination
WDS-ID: 10544+3840 WDS designation
Discoverer Code: COU1746 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 53326 Hipparcos catalog number
V1: 10.70 Magnitude of the primary
V2: 10.91 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 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: Lin2018a Reference

Double Star Orbit for COU1746



WDS 6th Orbit including measures of COU1746

-- 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 COU1746
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.170   354.91
--------------------------
1995.74    0.399   308.44
1995.84    0.400   308.54
1995.94    0.400   308.64
1996.04    0.400   308.74
1996.14    0.401   308.83
1996.24    0.401   308.93
1996.34    0.401   309.03
1996.44    0.402   309.12
1996.54    0.402   309.22
1996.64    0.402   309.32
1996.74    0.403   309.41
1996.84    0.403   309.51
1996.94    0.403   309.60
1997.04    0.404   309.70
1997.14    0.404   309.80
1997.24    0.404   309.89
1997.34    0.404   309.99
1997.44    0.405   310.08
1997.54    0.405   310.18
1997.64    0.405   310.27
1997.74    0.405   310.37
1997.84    0.406   310.46
1997.94    0.406   310.56
1998.04    0.406   310.65
1998.14    0.406   310.74
1998.24    0.407   310.84
1998.34    0.407   310.93
1998.44    0.407   311.03
1998.54    0.407   311.12
1998.64    0.407   311.22
1998.74    0.408   311.31
1998.84    0.408   311.40
1998.94    0.408   311.50
1999.04    0.408   311.59
1999.14    0.408   311.68
1999.24    0.408   311.78
1999.34    0.409   311.87
1999.44    0.409   311.96
1999.54    0.409   312.06
1999.64    0.409   312.15
1999.74    0.409   312.24
1999.84    0.409   312.34
1999.94    0.409   312.43
2000.04    0.409   312.52
2000.14    0.410   312.62
2000.24    0.410   312.71
2000.34    0.410   312.80
2000.44    0.410   312.89
2000.54    0.410   312.99
2000.64    0.410   313.08
2000.74    0.410   313.17
2000.84    0.410   313.27
2000.94    0.410   313.36
2001.04    0.410   313.45
2001.14    0.410   313.54
2001.24    0.410   313.64
2001.34    0.410   313.73
2001.44    0.410   313.82
2001.54    0.410   313.91
2001.64    0.410   314.01
2001.74    0.410   314.10
2001.84    0.410   314.19
2001.94    0.410   314.29
2002.04    0.410   314.38
2002.14    0.410   314.47
2002.24    0.410   314.56
2002.34    0.410   314.66
2002.44    0.410   314.75
2002.54    0.410   314.84
2002.64    0.410   314.93
2002.74    0.410   315.03
2002.84    0.410   315.12
2002.94    0.409   315.21
2003.04    0.409   315.31
2003.14    0.409   315.40
2003.24    0.409   315.49
2003.34    0.409   315.59
2003.44    0.409   315.68
2003.54    0.409   315.77
2003.64    0.409   315.87
2003.74    0.409   315.96
2003.84    0.408   316.05
2003.94    0.408   316.15
2004.04    0.408   316.24
2004.14    0.408   316.33
2004.24    0.408   316.43
2004.34    0.408   316.52
2004.44    0.407   316.61
2004.54    0.407   316.71
2004.64    0.407   316.80
2004.74    0.407   316.90
2004.84    0.407   316.99
2004.94    0.406   317.09
2005.04    0.406   317.18
2005.14    0.406   317.27
2005.24    0.406   317.37
2005.34    0.405   317.46
2005.44    0.405   317.56
2005.54    0.405   317.65
2005.64    0.405   317.75
2005.74    0.404   317.84
2005.84    0.404   317.94
2005.94    0.404   318.04
2006.04    0.404   318.13
2006.14    0.403   318.23
2006.24    0.403   318.32
2006.34    0.403   318.42
2006.44    0.402   318.51
2006.54    0.402   318.61
2006.64    0.402   318.71
2006.74    0.401   318.80
2006.84    0.401   318.90
2006.94    0.401   319.00
2007.04    0.400   319.10
2007.14    0.400   319.19
2007.24    0.400   319.29
2007.34    0.399   319.39
2007.44    0.399   319.49
2007.54    0.398   319.58
2007.64    0.398   319.68
2007.74    0.398   319.78
2007.84    0.397   319.88
2007.94    0.397   319.98
2008.04    0.396   320.08
2008.14    0.396   320.18
2008.24    0.395   320.28
2008.34    0.395   320.38
2008.44    0.395   320.48
2008.54    0.394   320.58
2008.64    0.394   320.68
2008.74    0.393   320.78
2008.84    0.393   320.88
2008.94    0.392   320.98
2009.04    0.392   321.08
2009.14    0.391   321.18
2009.24    0.391   321.29
2009.34    0.390   321.39
2009.44    0.390   321.49
2009.54    0.389   321.59
2009.64    0.389   321.70
2009.74    0.388   321.80
2009.84    0.388   321.90
2009.94    0.387   322.01
2010.04    0.386   322.11
2010.14    0.386   322.22
2010.24    0.385   322.32
2010.34    0.385   322.43
2010.44    0.384   322.53
2010.54    0.384   322.64
2010.64    0.383   322.74
2010.74    0.382   322.85
2010.84    0.382   322.96
2010.94    0.381   323.06
2011.04    0.380   323.17
2011.14    0.380   323.28
2011.24    0.379   323.39
2011.34    0.378   323.50
2011.44    0.378   323.61
2011.54    0.377   323.71
2011.64    0.376   323.82
2011.74    0.376   323.93
2011.84    0.375   324.05
2011.94    0.374   324.16
2012.04    0.374   324.27
2012.14    0.373   324.38
2012.24    0.372   324.49
2012.34    0.372   324.60
2012.44    0.371   324.72
2012.54    0.370   324.83
2012.64    0.369   324.95
2012.74    0.369   325.06
2012.84    0.368   325.17
2012.94    0.367   325.29
2013.04    0.366   325.41
2013.14    0.365   325.52
2013.24    0.365   325.64
2013.34    0.364   325.76
2013.44    0.363   325.88
2013.54    0.362   325.99
2013.64    0.361   326.11
2013.74    0.361   326.23
2013.84    0.360   326.35
2013.94    0.359   326.47
2014.04    0.358   326.59
2014.14    0.357   326.72
2014.24    0.356   326.84
2014.34    0.355   326.96
2014.44    0.354   327.09
2014.54    0.354   327.21
2014.64    0.353   327.34
2014.74    0.352   327.46
2014.84    0.351   327.59
2014.94    0.350   327.71
2015.04    0.349   327.84
2015.14    0.348   327.97
2015.24    0.347   328.10
2015.34    0.346   328.23
2015.44    0.345   328.36
2015.54    0.344   328.49
2015.64    0.343   328.62
2015.74    0.342   328.76
2015.84    0.341   328.89
2015.94    0.340   329.02
2016.04    0.339   329.16
2016.14    0.338   329.29
2016.24    0.337   329.43
2016.34    0.336   329.57
2016.44    0.335   329.71
2016.54    0.334   329.85
2016.64    0.333   329.99
2016.74    0.332   330.13
2016.84    0.331   330.27
2016.94    0.330   330.41
2017.04    0.328   330.56
2017.14    0.327   330.70
2017.24    0.326   330.85
2017.34    0.325   331.00
2017.44    0.324   331.14
2017.54    0.323   331.29
2017.64    0.322   331.44
2017.74    0.320   331.59
2017.84    0.319   331.75
2017.94    0.318   331.90
2018.04    0.317   332.06
2018.14    0.316   332.21
2018.24    0.314   332.37
2018.34    0.313   332.53
2018.44    0.312   332.69
2018.54    0.311   332.85
2018.64    0.309   333.01
2018.74    0.308   333.17
2018.84    0.307   333.34
2018.94    0.305   333.51
2019.04    0.304   333.67
2019.14    0.303   333.84
2019.24    0.301   334.01
2019.34    0.300   334.19
2019.44    0.299   334.36
2019.54    0.297   334.53
2019.64    0.296   334.71
2019.74    0.295   334.89
2019.84    0.293   335.07
2019.94    0.292   335.25
2020.04    0.290   335.44
2020.14    0.289   335.62
2020.24    0.288   335.81
2020.34    0.286   336.00
2020.44    0.285   336.19
2020.54    0.283   336.38
2020.64    0.282   336.58
2020.74    0.280   336.78
2020.84    0.279   336.98
2020.94    0.277   337.18
2021.04    0.276   337.38
2021.14    0.274   337.59
2021.24    0.273   337.80
2021.34    0.271   338.01
2021.44    0.269   338.22
2021.54    0.268   338.44
2021.64    0.266   338.66
2021.74    0.265   338.88
2021.84    0.263   339.10
2021.94    0.261   339.33
2022.04    0.260   339.56
2022.14    0.258   339.79
2022.24    0.256   340.03
2022.34    0.255   340.26
2022.44    0.253   340.51
2022.54    0.251   340.75
2022.64    0.249   341.00
2022.74    0.248   341.25
2022.84    0.246   341.51
2022.94    0.244   341.77
2023.04    0.242   342.03
2023.14    0.241   342.30
2023.24    0.239   342.57
2023.34    0.237   342.85
2023.44    0.235   343.13
2023.54    0.233   343.41
2023.64    0.231   343.70
2023.74    0.229   343.99
2023.84    0.227   344.29
2023.94    0.226   344.60
2024.04    0.224   344.90
2024.14    0.222   345.22
2024.24    0.220   345.54
2024.34    0.218   345.87
2024.44    0.216   346.20
2024.54    0.214   346.54
2024.64    0.212   346.88
2024.74    0.209   347.23
2024.84    0.207   347.59
2024.94    0.205   347.96
2025.04    0.203   348.33
2025.14    0.201   348.71
2025.24    0.199   349.10
2025.34    0.197   349.50
2025.44    0.194   349.91
2025.54    0.192   350.33
2025.64    0.190   350.75
2025.74    0.188   351.19
2025.84    0.185   351.64
2025.94    0.183   352.10
2026.04    0.181   352.57
2026.14    0.178   353.05
2026.24    0.176   353.55
2026.34    0.174   354.06
2026.44    0.171   354.59
2026.54    0.169   355.12
2026.64    0.166   355.68
2026.74    0.164   356.25
2026.84    0.161   356.84
2026.94    0.159   357.45
2027.04    0.156   358.08
2027.14    0.154   358.73
2027.24    0.151   359.41
2027.34    0.148     0.10
2027.44    0.146     0.82
2027.54    0.143     1.57
2027.64    0.140     2.35
2027.74    0.137     3.16
2027.84    0.135     4.01
2027.94    0.132     4.89
2028.04    0.129     5.81
2028.14    0.126     6.77
2028.24    0.123     7.77
2028.34    0.120     8.83
2028.44    0.117     9.94
2028.54    0.114    11.11
2028.64    0.111    12.34
2028.74    0.108    13.64
2028.84    0.105    15.02
2028.94    0.102    16.49
2029.04    0.098    18.05
2029.14    0.095    19.72
2029.24    0.092    21.50
2029.34    0.088    23.42
2029.44    0.085    25.49
2029.54    0.082    27.73
2029.64    0.078    30.16
2029.74    0.075    32.82
2029.84    0.072    35.72
2029.94    0.068    38.93
2030.04    0.065    42.47
2030.14    0.061    46.42
2030.24    0.058    50.84
2030.34    0.054    55.81
2030.44    0.051    61.44
2030.54    0.048    67.83
2030.64    0.045    75.11
2030.74    0.042    83.40
2030.84    0.039    92.82
2030.94    0.037   103.42
2031.04    0.036   115.13
2031.14    0.035   127.75
2031.24    0.034   140.86
2031.34    0.035   153.92
2031.44    0.036   166.39
2031.54    0.038   177.82
2031.64    0.040   188.02
2031.74    0.043   196.95
2031.84    0.047   204.69
2031.94    0.050   211.40
2032.04    0.054   217.21
2032.14    0.057   222.28
2032.24    0.061   226.72
2032.34    0.065   230.64
2032.44    0.069   234.13
2032.54    0.073   237.26
2032.64    0.076   240.07
2032.74    0.080   242.62
2032.84    0.084   244.94
2032.94    0.087   247.07
2033.04    0.091   249.03
2033.14    0.095   250.84
2033.24    0.098   252.51
2033.34    0.102   254.08
2033.44    0.105   255.54
2033.54    0.108   256.90
2033.64    0.112   258.19
2033.74    0.115   259.40
2033.84    0.118   260.54
2033.94    0.122   261.63
2034.04    0.125   262.66
2034.14    0.128   263.63
2034.24    0.131   264.56
2034.34    0.134   265.45
2034.44    0.137   266.30
2034.54    0.140   267.11
2034.64    0.143   267.89
2034.74    0.146   268.64
2034.84    0.149   269.36
2034.94    0.151   270.05
2035.04    0.154   270.72
2035.14    0.157   271.36
2035.24    0.160   271.98
2035.34    0.162   272.59
2035.44    0.165   273.17
2035.54    0.168   273.73
2035.64    0.170   274.27
2035.74    0.173   274.80
2035.84    0.176   275.32
2035.94    0.178   275.82
2036.04    0.181   276.30
2036.14    0.183   276.77
2036.24    0.185   277.23
2036.34    0.188   277.68
2036.44    0.190   278.11
2036.54    0.193   278.54
2036.64    0.195   278.95
2036.74    0.197   279.36
2036.84    0.200   279.76
2036.94    0.202   280.14
2037.04    0.204   280.52
2037.14    0.206   280.89
2037.24    0.209   281.25
2037.34    0.211   281.61
2037.44    0.213   281.96
2037.54    0.215   282.30
2037.64    0.217   282.63
2037.74    0.219   282.96
2037.84    0.221   283.28
2037.94    0.223   283.59
2038.04    0.225   283.90
2038.14    0.227   284.21
2038.24    0.230   284.51
2038.34    0.231   284.80
2038.44    0.233   285.09
2038.54    0.235   285.37
2038.64    0.237   285.65
2038.74    0.239   285.92
2038.84    0.241   286.19
2038.94    0.243   286.46
2039.04    0.245   286.72
2039.14    0.247   286.98
2039.24    0.249   287.23
2039.34    0.250   287.48
2039.44    0.252   287.73
2039.54    0.254   287.97
2039.64    0.256   288.21
2039.74    0.258   288.45
2039.84    0.259   288.68
2039.94    0.261   288.92
2040.04    0.263   289.14
2040.14    0.264   289.37
2040.24    0.266   289.59
2040.34    0.268   289.81
2040.44    0.269   290.02
2040.54    0.271   290.24
2040.64    0.273   290.45
2040.74    0.274   290.66
2040.84    0.276   290.86
2040.94    0.277   291.07
2041.04    0.279   291.27
2041.14    0.281   291.47
2041.24    0.282   291.66
2041.34    0.284   291.86
2041.44    0.285   292.05
2041.54    0.287   292.24
2041.64    0.288   292.43
2041.74    0.290   292.62
2041.84    0.291   292.80
2041.94    0.293   292.98
2042.04    0.294   293.17
2042.14    0.295   293.34
2042.24    0.297   293.52
2042.34    0.298   293.70
2042.44    0.300   293.87
2042.54    0.301   294.05
2042.64    0.302   294.22
2042.74    0.304   294.39
2042.84    0.305   294.55
2042.94    0.307   294.72
2043.04    0.308   294.89
2043.14    0.309   295.05
2043.24    0.310   295.21
2043.34    0.312   295.37
2043.44    0.313   295.53
2043.54    0.314   295.69
2043.64    0.316   295.85
2043.74    0.317   296.00
2043.84    0.318   296.16
2043.94    0.319   296.31
2044.04    0.321   296.47
2044.14    0.322   296.62
2044.24    0.323   296.77
2044.34    0.324   296.92
2044.44    0.325   297.06
2044.54    0.326   297.21
2044.64    0.328   297.36
2044.74    0.329   297.50
2044.84    0.330   297.64
2044.94    0.331   297.79
2045.04    0.332   297.93
2045.14    0.333   298.07
2045.24    0.334   298.21
2045.34    0.335   298.35
2045.44    0.337   298.49
2045.54    0.338   298.62
2045.64    0.339   298.76
2045.74    0.340   298.90
2045.84    0.341   299.03
2045.94    0.342   299.16
2046.04    0.343   299.30
2046.14    0.344   299.43
2046.24    0.345   299.56
2046.34    0.346   299.69
2046.44    0.347   299.82
2046.54    0.348   299.95
2046.64    0.349   300.08
2046.74    0.350   300.21
2046.84    0.351   300.33
2046.94    0.352   300.46
2047.04    0.353   300.59
2047.14    0.354   300.71
2047.24    0.354   300.83
2047.34    0.355   300.96
2047.44    0.356   301.08
2047.54    0.357   301.20
2047.64    0.358   301.33
2047.74    0.359   301.45
2047.84    0.360   301.57
2047.94    0.361   301.69
2048.04    0.361   301.81
2048.14    0.362   301.93
2048.24    0.363   302.05
2048.34    0.364   302.16
2048.44    0.365   302.28
2048.54    0.366   302.40
2048.64    0.366   302.51
2048.74    0.367   302.63
2048.84    0.368   302.75
2048.94    0.369   302.86
2049.04    0.370   302.97
2049.14    0.370   303.09
2049.24    0.371   303.20
2049.34    0.372   303.31
2049.44    0.373   303.43
2049.54    0.373   303.54
2049.64    0.374   303.65
2049.74    0.375   303.76
2049.84    0.375   303.87
2049.94    0.376   303.98
2050.04    0.377   304.09
2050.14    0.377   304.20
2050.24    0.378   304.31
2050.34    0.379   304.42
2050.44    0.379   304.53
2050.54    0.380   304.64
2050.64    0.381   304.75
2050.74    0.381   304.85
2050.84    0.382   304.96
2050.94    0.383   305.07
2051.04    0.383   305.17
2051.14    0.384   305.28
2051.24    0.384   305.38
2051.34    0.385   305.49
2051.44    0.386   305.59
2051.54    0.386   305.70
2051.64    0.387   305.80
2051.74    0.387   305.91
2051.84    0.388   306.01
2051.94    0.388   306.11
2052.04    0.389   306.22
2052.14    0.390   306.32
2052.24    0.390   306.42
2052.34    0.391   306.53
2052.44    0.391   306.63
2052.54    0.392   306.73
2052.64    0.392   306.83
2052.74    0.393   306.93
2052.84    0.393   307.03
2052.94    0.394   307.13
2053.04    0.394   307.23
2053.14    0.395   307.33
2053.24    0.395   307.43
2053.34    0.395   307.53
2053.44    0.396   307.63
2053.54    0.396   307.73
2053.64    0.397   307.83
2053.74    0.397   307.93
2053.84    0.398   308.03
2053.94    0.398   308.13
2054.04    0.398   308.23
2054.14    0.399   308.33
2054.24    0.399   308.42






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 16:31:44



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