Double Star Calculator - Orbit

Orbital Elements for COU768

WDS:	COU768	WDS ID/Discoverer
P:	25.950	Orbital period (years)
a:	0.118	Semi-major axis (arcseconds)
i:	144.2	Inclination (degrees)
Ω:	48.8	Longitude of ascending node (degrees)
T:	2008.380	Epoch of periastron passage (year)
e:	0.467	Eccentricity
ω:	45.6	Longitude of periastron (degrees)
Start-Year:	2012.025	Year
End-Year:	2037.975	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU768
Position:	065016.01+240925.5	Epoch-2000 right ascension and declination
WDS-ID:	06503+2409	WDS designation
Discoverer Code:	COU768	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	49622	HD catalog number
Hipparcos number:	32800	Hipparcos catalog number
V1:	8.88	Magnitude of the primary
V2:	9.67	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2000	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:	Doc2003e	Reference

Double Star Orbit for COU768

WDS 6th Orbit including measures of COU768

-- 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 COU768

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.126   154.14
--------------------------
2012.03    0.101   253.10
2012.12    0.103   251.77
2012.22    0.104   250.48
2012.32    0.106   249.23
2012.42    0.108   248.02
2012.52    0.110   246.85
2012.62    0.111   245.71
2012.72    0.113   244.61
2012.82    0.115   243.54
2012.92    0.116   242.50
2013.02    0.118   241.49
2013.12    0.119   240.50
2013.22    0.121   239.54
2013.32    0.122   238.60
2013.42    0.124   237.68
2013.52    0.125   236.78
2013.62    0.126   235.90
2013.72    0.128   235.04
2013.82    0.129   234.20
2013.92    0.130   233.38
2014.02    0.131   232.57
2014.12    0.133   231.77
2014.22    0.134   230.99
2014.32    0.135   230.22
2014.42    0.136   229.47
2014.52    0.137   228.73
2014.62    0.138   227.99
2014.72    0.139   227.27
2014.82    0.140   226.57
2014.92    0.141   225.87
2015.02    0.142   225.18
2015.12    0.143   224.50
2015.22    0.144   223.82
2015.32    0.145   223.16
2015.42    0.146   222.50
2015.52    0.147   221.85
2015.62    0.147   221.21
2015.72    0.148   220.58
2015.82    0.149   219.95
2015.92    0.150   219.33
2016.02    0.150   218.71
2016.12    0.151   218.10
2016.22    0.152   217.49
2016.32    0.152   216.89
2016.42    0.153   216.30
2016.52    0.153   215.70
2016.62    0.154   215.12
2016.72    0.154   214.53
2016.82    0.155   213.95
2016.92    0.155   213.38
2017.02    0.156   212.81
2017.12    0.156   212.24
2017.22    0.157   211.67
2017.32    0.157   211.11
2017.42    0.157   210.55
2017.52    0.158   209.99
2017.62    0.158   209.43
2017.72    0.158   208.88
2017.82    0.159   208.33
2017.92    0.159   207.78
2018.02    0.159   207.23
2018.12    0.159   206.69
2018.22    0.160   206.14
2018.32    0.160   205.60
2018.42    0.160   205.06
2018.52    0.160   204.52
2018.62    0.160   203.98
2018.72    0.160   203.44
2018.82    0.161   202.90
2018.92    0.161   202.37
2019.02    0.161   201.83
2019.12    0.161   201.29
2019.22    0.161   200.76
2019.32    0.161   200.22
2019.42    0.161   199.68
2019.52    0.161   199.15
2019.62    0.161   198.61
2019.72    0.161   198.07
2019.82    0.160   197.53
2019.92    0.160   197.00
2020.02    0.160   196.46
2020.12    0.160   195.92
2020.22    0.160   195.38
2020.32    0.160   194.84
2020.42    0.160   194.29
2020.52    0.159   193.75
2020.62    0.159   193.20
2020.72    0.159   192.66
2020.82    0.159   192.11
2020.92    0.159   191.56
2021.02    0.158   191.00
2021.12    0.158   190.45
2021.22    0.158   189.89
2021.32    0.157   189.34
2021.42    0.157   188.77
2021.52    0.157   188.21
2021.62    0.156   187.65
2021.72    0.156   187.08
2021.82    0.156   186.51
2021.92    0.155   185.93
2022.02    0.155   185.36
2022.12    0.154   184.78
2022.22    0.154   184.19
2022.32    0.153   183.61
2022.42    0.153   183.02
2022.52    0.153   182.42
2022.62    0.152   181.83
2022.72    0.152   181.23
2022.82    0.151   180.62
2022.92    0.151   180.01
2023.02    0.150   179.40
2023.12    0.149   178.78
2023.22    0.149   178.16
2023.32    0.148   177.53
2023.42    0.148   176.90
2023.52    0.147   176.26
2023.62    0.147   175.62
2023.72    0.146   174.97
2023.82    0.145   174.32
2023.92    0.145   173.66
2024.02    0.144   172.99
2024.12    0.143   172.32
2024.22    0.143   171.65
2024.32    0.142   170.96
2024.42    0.141   170.27
2024.52    0.141   169.58
2024.62    0.140   168.87
2024.72    0.139   168.16
2024.82    0.139   167.44
2024.92    0.138   166.72
2025.02    0.137   165.99
2025.12    0.136   165.25
2025.22    0.136   164.50
2025.32    0.135   163.74
2025.42    0.134   162.97
2025.52    0.133   162.20
2025.62    0.133   161.42
2025.72    0.132   160.62
2025.82    0.131   159.82
2025.92    0.130   159.01
2026.02    0.129   158.19
2026.12    0.129   157.35
2026.22    0.128   156.51
2026.32    0.127   155.66
2026.42    0.126   154.79
2026.52    0.125   153.92
2026.62    0.125   153.03
2026.72    0.124   152.13
2026.82    0.123   151.22
2026.92    0.122   150.29
2027.02    0.121   149.35
2027.12    0.120   148.40
2027.22    0.119   147.44
2027.32    0.119   146.46
2027.42    0.118   145.47
2027.52    0.117   144.46
2027.62    0.116   143.44
2027.72    0.115   142.41
2027.82    0.114   141.35
2027.92    0.113   140.29
2028.02    0.113   139.20
2028.12    0.112   138.10
2028.22    0.111   136.98
2028.32    0.110   135.85
2028.42    0.109   134.70
2028.52    0.108   133.53
2028.62    0.107   132.34
2028.72    0.107   131.13
2028.82    0.106   129.90
2028.92    0.105   128.65
2029.02    0.104   127.39
2029.12    0.103   126.10
2029.22    0.102   124.79
2029.32    0.102   123.46
2029.42    0.101   122.11
2029.52    0.100   120.73
2029.62    0.099   119.33
2029.72    0.098   117.91
2029.82    0.098   116.47
2029.92    0.097   115.00
2030.02    0.096   113.51
2030.12    0.095   111.99
2030.22    0.094   110.45
2030.32    0.094   108.88
2030.42    0.093   107.29
2030.52    0.092   105.67
2030.62    0.091   104.02
2030.72    0.091   102.34
2030.82    0.090   100.64
2030.92    0.089    98.90
2031.02    0.088    97.14
2031.12    0.087    95.34
2031.22    0.087    93.52
2031.32    0.086    91.66
2031.42    0.085    89.77
2031.52    0.084    87.84
2031.62    0.084    85.88
2031.72    0.083    83.88
2031.82    0.082    81.84
2031.92    0.081    79.76
2032.02    0.080    77.65
2032.12    0.080    75.49
2032.22    0.079    73.28
2032.32    0.078    71.02
2032.42    0.077    68.72
2032.52    0.076    66.36
2032.62    0.075    63.95
2032.72    0.074    61.47
2032.82    0.073    58.93
2032.92    0.072    56.33
2033.02    0.071    53.65
2033.12    0.070    50.89
2033.22    0.069    48.04
2033.32    0.068    45.11
2033.42    0.067    42.08
2033.52    0.066    38.94
2033.62    0.065    35.69
2033.72    0.064    32.33
2033.82    0.062    28.84
2033.92    0.061    25.23
2034.02    0.060    21.47
2034.12    0.059    17.58
2034.22    0.058    13.55
2034.32    0.057     9.38
2034.42    0.056     5.08
2034.52    0.056     0.65
2034.62    0.055   356.12
2034.72    0.055   351.49
2034.82    0.054   346.80
2034.92    0.054   342.07
2035.02    0.054   337.34
2035.12    0.054   332.62
2035.22    0.055   327.96
2035.32    0.055   323.38
2035.42    0.056   318.91
2035.52    0.057   314.58
2035.62    0.058   310.40
2035.72    0.059   306.38
2035.82    0.061   302.53
2035.92    0.062   298.86
2036.02    0.064   295.37
2036.12    0.065   292.05
2036.22    0.067   288.90
2036.32    0.069   285.91
2036.42    0.071   283.08
2036.52    0.073   280.39
2036.62    0.075   277.84
2036.72    0.077   275.42
2036.82    0.079   273.12
2036.92    0.081   270.94
2037.02    0.083   268.86
2037.12    0.085   266.87
2037.22    0.087   264.98
2037.32    0.089   263.17
2037.42    0.090   261.44
2037.52    0.092   259.79
2037.62    0.094   258.20
2037.72    0.096   256.67
2037.82    0.098   255.20
2037.92    0.100   253.79

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 15:51:53