Double Star Calculator - Orbit

Orbital Elements for COU1785
WDS: COU1785 WDS ID/Discoverer
P: 45.720 Orbital period (years)
a: 0.135 Semi-major axis (arcseconds)
i: 65.7 Inclination (degrees)
Ω: 52.8 Longitude of ascending node (degrees)
T: 1995.000 Epoch of periastron passage (year)
e: 0.483 Eccentricity
ω: 147.0 Longitude of periastron (degrees)
Start-Year: 2002.14 Year
End-Year: 2047.86 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU1785
Position: 180331.83+403200.6 Epoch-2000 right ascension and declination
WDS-ID: 18035+4032 WDS designation
Discoverer Code: COU1785 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 165311 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.7 Magnitude of the primary
V2: 8.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2005 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: Doc2008a Reference

Double Star Orbit for COU1785



WDS 6th Orbit including measures of COU1785

-- 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 COU1785
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.179    51.23
--------------------------
2002.14    0.056   300.12
2002.24    0.056   301.76
2002.34    0.056   303.40
2002.44    0.056   305.05
2002.54    0.056   306.70
2002.64    0.056   308.35
2002.74    0.056   310.00
2002.84    0.056   311.64
2002.94    0.056   313.28
2003.04    0.056   314.90
2003.14    0.057   316.52
2003.24    0.057   318.12
2003.34    0.057   319.71
2003.44    0.057   321.29
2003.54    0.058   322.85
2003.64    0.058   324.38
2003.74    0.059   325.90
2003.84    0.059   327.40
2003.94    0.059   328.87
2004.04    0.060   330.32
2004.14    0.060   331.74
2004.24    0.061   333.15
2004.34    0.062   334.52
2004.44    0.062   335.87
2004.54    0.063   337.19
2004.64    0.063   338.49
2004.74    0.064   339.76
2004.84    0.065   341.00
2004.94    0.066   342.21
2005.04    0.066   343.40
2005.14    0.067   344.57
2005.24    0.068   345.70
2005.34    0.069   346.81
2005.44    0.069   347.90
2005.54    0.070   348.96
2005.64    0.071   349.99
2005.74    0.072   351.00
2005.84    0.073   351.99
2005.94    0.074   352.95
2006.04    0.075   353.89
2006.14    0.076   354.81
2006.24    0.076   355.71
2006.34    0.077   356.58
2006.44    0.078   357.44
2006.54    0.079   358.27
2006.64    0.080   359.08
2006.74    0.081   359.88
2006.84    0.082     0.66
2006.94    0.083     1.42
2007.04    0.084     2.16
2007.14    0.085     2.88
2007.24    0.086     3.59
2007.34    0.087     4.28
2007.44    0.088     4.96
2007.54    0.089     5.62
2007.64    0.090     6.26
2007.74    0.091     6.89
2007.84    0.092     7.51
2007.94    0.093     8.12
2008.04    0.094     8.71
2008.14    0.095     9.29
2008.24    0.096     9.85
2008.34    0.097    10.41
2008.44    0.098    10.95
2008.54    0.099    11.49
2008.64    0.100    12.01
2008.74    0.101    12.52
2008.84    0.102    13.02
2008.94    0.103    13.51
2009.04    0.104    13.99
2009.14    0.105    14.47
2009.24    0.106    14.93
2009.34    0.107    15.39
2009.44    0.108    15.83
2009.54    0.109    16.27
2009.64    0.110    16.70
2009.74    0.111    17.12
2009.84    0.112    17.54
2009.94    0.113    17.95
2010.04    0.114    18.35
2010.14    0.115    18.74
2010.24    0.116    19.13
2010.34    0.117    19.51
2010.44    0.118    19.88
2010.54    0.119    20.25
2010.64    0.120    20.62
2010.74    0.121    20.97
2010.84    0.122    21.32
2010.94    0.123    21.67
2011.04    0.124    22.01
2011.14    0.125    22.34
2011.24    0.126    22.67
2011.34    0.127    23.00
2011.44    0.127    23.32
2011.54    0.128    23.64
2011.64    0.129    23.95
2011.74    0.130    24.25
2011.84    0.131    24.56
2011.94    0.132    24.86
2012.04    0.133    25.15
2012.14    0.134    25.44
2012.24    0.135    25.73
2012.34    0.136    26.01
2012.44    0.136    26.29
2012.54    0.137    26.57
2012.64    0.138    26.84
2012.74    0.139    27.11
2012.84    0.140    27.37
2012.94    0.141    27.64
2013.04    0.142    27.89
2013.14    0.142    28.15
2013.24    0.143    28.40
2013.34    0.144    28.65
2013.44    0.145    28.90
2013.54    0.146    29.15
2013.64    0.147    29.39
2013.74    0.147    29.63
2013.84    0.148    29.87
2013.94    0.149    30.10
2014.04    0.150    30.33
2014.14    0.150    30.56
2014.24    0.151    30.79
2014.34    0.152    31.01
2014.44    0.153    31.24
2014.54    0.153    31.46
2014.64    0.154    31.68
2014.74    0.155    31.89
2014.84    0.156    32.11
2014.94    0.156    32.32
2015.04    0.157    32.53
2015.14    0.158    32.74
2015.24    0.158    32.95
2015.34    0.159    33.15
2015.44    0.160    33.35
2015.54    0.160    33.56
2015.64    0.161    33.76
2015.74    0.162    33.95
2015.84    0.162    34.15
2015.94    0.163    34.35
2016.04    0.164    34.54
2016.14    0.164    34.73
2016.24    0.165    34.92
2016.34    0.166    35.11
2016.44    0.166    35.30
2016.54    0.167    35.49
2016.64    0.167    35.67
2016.74    0.168    35.86
2016.84    0.168    36.04
2016.94    0.169    36.22
2017.04    0.170    36.40
2017.14    0.170    36.58
2017.24    0.171    36.76
2017.34    0.171    36.93
2017.44    0.172    37.11
2017.54    0.172    37.29
2017.64    0.173    37.46
2017.74    0.173    37.63
2017.84    0.174    37.80
2017.94    0.174    37.97
2018.04    0.175    38.14
2018.14    0.175    38.31
2018.24    0.176    38.48
2018.34    0.176    38.65
2018.44    0.176    38.82
2018.54    0.177    38.98
2018.64    0.177    39.15
2018.74    0.178    39.31
2018.84    0.178    39.47
2018.94    0.178    39.64
2019.04    0.179    39.80
2019.14    0.179    39.96
2019.24    0.180    40.12
2019.34    0.180    40.28
2019.44    0.180    40.44
2019.54    0.181    40.60
2019.64    0.181    40.76
2019.74    0.181    40.91
2019.84    0.182    41.07
2019.94    0.182    41.23
2020.04    0.182    41.38
2020.14    0.182    41.54
2020.24    0.183    41.70
2020.34    0.183    41.85
2020.44    0.183    42.00
2020.54    0.183    42.16
2020.64    0.184    42.31
2020.74    0.184    42.46
2020.84    0.184    42.62
2020.94    0.184    42.77
2021.04    0.184    42.92
2021.14    0.185    43.07
2021.24    0.185    43.23
2021.34    0.185    43.38
2021.44    0.185    43.53
2021.54    0.185    43.68
2021.64    0.185    43.83
2021.74    0.186    43.98
2021.84    0.186    44.13
2021.94    0.186    44.28
2022.04    0.186    44.43
2022.14    0.186    44.58
2022.24    0.186    44.73
2022.34    0.186    44.88
2022.44    0.186    45.03
2022.54    0.186    45.18
2022.64    0.186    45.32
2022.74    0.186    45.47
2022.84    0.186    45.62
2022.94    0.186    45.77
2023.04    0.186    45.92
2023.14    0.186    46.07
2023.24    0.186    46.22
2023.34    0.186    46.37
2023.44    0.186    46.52
2023.54    0.186    46.67
2023.64    0.186    46.82
2023.74    0.186    46.97
2023.84    0.186    47.12
2023.94    0.186    47.27
2024.04    0.185    47.42
2024.14    0.185    47.57
2024.24    0.185    47.72
2024.34    0.185    47.87
2024.44    0.185    48.02
2024.54    0.185    48.17
2024.64    0.184    48.32
2024.74    0.184    48.48
2024.84    0.184    48.63
2024.94    0.184    48.78
2025.04    0.184    48.93
2025.14    0.183    49.09
2025.24    0.183    49.24
2025.34    0.183    49.40
2025.44    0.182    49.55
2025.54    0.182    49.71
2025.64    0.182    49.86
2025.74    0.182    50.02
2025.84    0.181    50.18
2025.94    0.181    50.33
2026.04    0.180    50.49
2026.14    0.180    50.65
2026.24    0.180    50.81
2026.34    0.179    50.97
2026.44    0.179    51.13
2026.54    0.178    51.30
2026.64    0.178    51.46
2026.74    0.178    51.62
2026.84    0.177    51.79
2026.94    0.177    51.95
2027.04    0.176    52.12
2027.14    0.176    52.28
2027.24    0.175    52.45
2027.34    0.175    52.62
2027.44    0.174    52.79
2027.54    0.173    52.96
2027.64    0.173    53.14
2027.74    0.172    53.31
2027.84    0.172    53.48
2027.94    0.171    53.66
2028.04    0.170    53.84
2028.14    0.170    54.02
2028.24    0.169    54.20
2028.34    0.168    54.38
2028.44    0.168    54.56
2028.54    0.167    54.75
2028.64    0.166    54.93
2028.74    0.166    55.12
2028.84    0.165    55.31
2028.94    0.164    55.50
2029.04    0.163    55.69
2029.14    0.162    55.89
2029.24    0.162    56.09
2029.34    0.161    56.28
2029.44    0.160    56.49
2029.54    0.159    56.69
2029.64    0.158    56.89
2029.74    0.157    57.10
2029.84    0.156    57.31
2029.94    0.156    57.52
2030.04    0.155    57.74
2030.14    0.154    57.96
2030.24    0.153    58.18
2030.34    0.152    58.40
2030.44    0.151    58.63
2030.54    0.150    58.86
2030.64    0.149    59.09
2030.74    0.148    59.32
2030.84    0.147    59.56
2030.94    0.145    59.81
2031.04    0.144    60.05
2031.14    0.143    60.30
2031.24    0.142    60.56
2031.34    0.141    60.81
2031.44    0.140    61.08
2031.54    0.139    61.34
2031.64    0.137    61.62
2031.74    0.136    61.89
2031.84    0.135    62.17
2031.94    0.134    62.46
2032.04    0.132    62.75
2032.14    0.131    63.05
2032.24    0.130    63.36
2032.34    0.128    63.67
2032.44    0.127    63.98
2032.54    0.126    64.31
2032.64    0.124    64.64
2032.74    0.123    64.98
2032.84    0.121    65.33
2032.94    0.120    65.68
2033.04    0.118    66.04
2033.14    0.117    66.42
2033.24    0.116    66.80
2033.34    0.114    67.19
2033.44    0.112    67.60
2033.54    0.111    68.01
2033.64    0.109    68.44
2033.74    0.108    68.88
2033.84    0.106    69.33
2033.94    0.104    69.80
2034.04    0.103    70.28
2034.14    0.101    70.77
2034.24    0.099    71.29
2034.34    0.098    71.82
2034.44    0.096    72.37
2034.54    0.094    72.94
2034.64    0.093    73.53
2034.74    0.091    74.15
2034.84    0.089    74.79
2034.94    0.087    75.45
2035.04    0.085    76.15
2035.14    0.084    76.87
2035.24    0.082    77.63
2035.34    0.080    78.42
2035.44    0.078    79.25
2035.54    0.076    80.12
2035.64    0.074    81.04
2035.74    0.072    82.00
2035.84    0.070    83.01
2035.94    0.069    84.08
2036.04    0.067    85.22
2036.14    0.065    86.41
2036.24    0.063    87.68
2036.34    0.061    89.03
2036.44    0.059    90.47
2036.54    0.057    92.00
2036.64    0.055    93.64
2036.74    0.053    95.39
2036.84    0.052    97.26
2036.94    0.050    99.27
2037.04    0.048   101.43
2037.14    0.046   103.74
2037.24    0.045   106.23
2037.34    0.043   108.91
2037.44    0.042   111.79
2037.54    0.040   114.87
2037.64    0.039   118.18
2037.74    0.038   121.71
2037.84    0.037   125.46
2037.94    0.036   129.42
2038.04    0.035   133.59
2038.14    0.034   137.93
2038.24    0.034   142.41
2038.34    0.033   146.99
2038.44    0.033   151.62
2038.54    0.033   156.25
2038.64    0.034   160.83
2038.74    0.034   165.30
2038.84    0.035   169.63
2038.94    0.036   173.80
2039.04    0.037   177.76
2039.14    0.038   181.51
2039.24    0.039   185.05
2039.34    0.040   188.38
2039.44    0.041   191.49
2039.54    0.043   194.40
2039.64    0.044   197.12
2039.74    0.046   199.67
2039.84    0.047   202.05
2039.94    0.049   204.29
2040.04    0.050   206.38
2040.14    0.052   208.35
2040.24    0.054   210.21
2040.34    0.055   211.96
2040.44    0.057   213.62
2040.54    0.058   215.19
2040.64    0.059   216.69
2040.74    0.061   218.12
2040.84    0.062   219.48
2040.94    0.063   220.79
2041.04    0.065   222.05
2041.14    0.066   223.26
2041.24    0.067   224.43
2041.34    0.068   225.57
2041.44    0.069   226.67
2041.54    0.070   227.74
2041.64    0.071   228.78
2041.74    0.072   229.80
2041.84    0.072   230.79
2041.94    0.073   231.77
2042.04    0.074   232.73
2042.14    0.074   233.68
2042.24    0.075   234.62
2042.34    0.075   235.54
2042.44    0.075   236.45
2042.54    0.076   237.36
2042.64    0.076   238.26
2042.74    0.076   239.16
2042.84    0.076   240.05
2042.94    0.076   240.94
2043.04    0.076   241.83
2043.14    0.076   242.72
2043.24    0.076   243.62
2043.34    0.076   244.51
2043.44    0.076   245.41
2043.54    0.076   246.31
2043.64    0.075   247.22
2043.74    0.075   248.14
2043.84    0.075   249.06
2043.94    0.074   250.00
2044.04    0.074   250.94
2044.14    0.073   251.89
2044.24    0.073   252.85
2044.34    0.073   253.83
2044.44    0.072   254.82
2044.54    0.072   255.82
2044.64    0.071   256.84
2044.74    0.071   257.87
2044.84    0.070   258.91
2044.94    0.069   259.98
2045.04    0.069   261.06
2045.14    0.068   262.16
2045.24    0.068   263.28
2045.34    0.067   264.42
2045.44    0.067   265.57
2045.54    0.066   266.75
2045.64    0.065   267.95
2045.74    0.065   269.17
2045.84    0.064   270.42
2045.94    0.064   271.68
2046.04    0.063   272.97
2046.14    0.063   274.28
2046.24    0.062   275.62
2046.34    0.061   276.97
2046.44    0.061   278.35
2046.54    0.060   279.76
2046.64    0.060   281.18
2046.74    0.060   282.63
2046.84    0.059   284.10
2046.94    0.059   285.59
2047.04    0.058   287.10
2047.14    0.058   288.63
2047.24    0.058   290.18
2047.34    0.057   291.75
2047.44    0.057   293.33
2047.54    0.057   294.93
2047.64    0.057   296.54
2047.74    0.056   298.16
2047.84    0.056   299.79






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 17:46:47



www.stella-vega.de