Double Star Calculator - Orbit

Orbital Elements for COU79
WDS: COU79 WDS ID/Discoverer
P: 23.608 Orbital period (years)
a: 0.2347 Semi-major axis (arcseconds)
i: 104.437 Inclination (degrees)
Ω: 55.823 Longitude of ascending node (degrees)
T: 1986.182 Epoch of periastron passage (year)
e: 0.68119 Eccentricity
ω: 263.927 Longitude of periastron (degrees)
Start-Year: 2013.1959148904778 Year
End-Year: 2036.8040851095222 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU79
Position: 021542.83+250235.7 Epoch-2000 right ascension and declination
WDS-ID: 02157+2503 WDS designation
Discoverer Code: COU79 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 13872 HD catalog number
Hipparcos number: 10535 Hipparcos catalog number
V1: 6.40 Magnitude of the primary
V2: 6.48 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 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: Mut2010e Reference

Double Star Orbit for COU79



WDS 6th Orbit including measures of COU79

-- 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 COU79
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.122   278.52
--------------------------
2013.20    0.192    44.97
2013.30    0.192    44.55
2013.40    0.193    44.14
2013.50    0.194    43.73
2013.60    0.194    43.32
2013.70    0.194    42.92
2013.80    0.195    42.51
2013.90    0.195    42.11
2014.00    0.195    41.71
2014.10    0.195    41.30
2014.20    0.195    40.90
2014.30    0.195    40.50
2014.40    0.195    40.09
2014.50    0.194    39.69
2014.60    0.194    39.28
2014.70    0.194    38.87
2014.80    0.193    38.46
2014.90    0.193    38.05
2015.00    0.192    37.64
2015.10    0.191    37.22
2015.20    0.191    36.80
2015.30    0.190    36.38
2015.40    0.189    35.95
2015.50    0.188    35.52
2015.60    0.187    35.08
2015.70    0.187    34.65
2015.80    0.186    34.20
2015.90    0.185    33.75
2016.00    0.184    33.30
2016.10    0.182    32.84
2016.20    0.181    32.38
2016.30    0.180    31.91
2016.40    0.179    31.44
2016.50    0.178    30.96
2016.60    0.177    30.47
2016.70    0.175    29.97
2016.80    0.174    29.47
2016.90    0.173    28.96
2017.00    0.171    28.44
2017.10    0.170    27.92
2017.20    0.169    27.38
2017.30    0.167    26.84
2017.40    0.166    26.29
2017.50    0.164    25.73
2017.60    0.163    25.15
2017.70    0.162    24.57
2017.80    0.160    23.98
2017.90    0.159    23.38
2018.00    0.157    22.76
2018.10    0.156    22.13
2018.20    0.154    21.49
2018.30    0.153    20.84
2018.40    0.151    20.18
2018.50    0.150    19.50
2018.60    0.148    18.80
2018.70    0.146    18.10
2018.80    0.145    17.37
2018.90    0.143    16.64
2019.00    0.142    15.88
2019.10    0.140    15.11
2019.20    0.139    14.32
2019.30    0.137    13.52
2019.40    0.136    12.69
2019.50    0.134    11.85
2019.60    0.133    10.99
2019.70    0.131    10.10
2019.80    0.130     9.20
2019.90    0.128     8.28
2020.00    0.127     7.33
2020.10    0.125     6.36
2020.20    0.124     5.37
2020.30    0.122     4.36
2020.40    0.121     3.32
2020.50    0.120     2.26
2020.60    0.118     1.18
2020.70    0.117     0.07
2020.80    0.116   358.93
2020.90    0.114   357.77
2021.00    0.113   356.58
2021.10    0.112   355.37
2021.20    0.111   354.13
2021.30    0.110   352.87
2021.40    0.108   351.57
2021.50    0.107   350.26
2021.60    0.106   348.91
2021.70    0.105   347.55
2021.80    0.104   346.15
2021.90    0.104   344.73
2022.00    0.103   343.29
2022.10    0.102   341.83
2022.20    0.101   340.34
2022.30    0.101   338.84
2022.40    0.100   337.31
2022.50    0.099   335.77
2022.60    0.099   334.21
2022.70    0.098   332.63
2022.80    0.098   331.04
2022.90    0.098   329.44
2023.00    0.097   327.83
2023.10    0.097   326.21
2023.20    0.097   324.59
2023.30    0.097   322.96
2023.40    0.097   321.33
2023.50    0.097   319.70
2023.60    0.097   318.08
2023.70    0.097   316.46
2023.80    0.098   314.85
2023.90    0.098   313.24
2024.00    0.098   311.65
2024.10    0.099   310.07
2024.20    0.099   308.50
2024.30    0.100   306.95
2024.40    0.100   305.42
2024.50    0.101   303.90
2024.60    0.102   302.41
2024.70    0.102   300.93
2024.80    0.103   299.48
2024.90    0.104   298.06
2025.00    0.105   296.65
2025.10    0.106   295.27
2025.20    0.107   293.92
2025.30    0.108   292.58
2025.40    0.109   291.28
2025.50    0.110   290.00
2025.60    0.111   288.74
2025.70    0.112   287.52
2025.80    0.113   286.31
2025.90    0.115   285.13
2026.00    0.116   283.98
2026.10    0.117   282.85
2026.20    0.118   281.74
2026.30    0.120   280.66
2026.40    0.121   279.60
2026.50    0.122   278.57
2026.60    0.124   277.55
2026.70    0.125   276.56
2026.80    0.126   275.59
2026.90    0.128   274.64
2027.00    0.129   273.71
2027.10    0.130   272.80
2027.20    0.132   271.90
2027.30    0.133   271.03
2027.40    0.134   270.17
2027.50    0.136   269.33
2027.60    0.137   268.51
2027.70    0.138   267.70
2027.80    0.140   266.91
2027.90    0.141   266.13
2028.00    0.142   265.37
2028.10    0.144   264.62
2028.20    0.145   263.88
2028.30    0.146   263.16
2028.40    0.147   262.44
2028.50    0.148   261.74
2028.60    0.150   261.05
2028.70    0.151   260.37
2028.80    0.152   259.70
2028.90    0.153   259.04
2029.00    0.154   258.38
2029.10    0.155   257.74
2029.20    0.155   257.10
2029.30    0.156   256.47
2029.40    0.157   255.84
2029.50    0.158   255.22
2029.60    0.158   254.61
2029.70    0.159   254.00
2029.80    0.159   253.39
2029.90    0.160   252.79
2030.00    0.160   252.19
2030.10    0.160   251.59
2030.20    0.160   251.00
2030.30    0.160   250.40
2030.40    0.160   249.80
2030.50    0.160   249.21
2030.60    0.160   248.61
2030.70    0.159   248.00
2030.80    0.159   247.40
2030.90    0.158   246.78
2031.00    0.157   246.16
2031.10    0.156   245.54
2031.20    0.154   244.90
2031.30    0.153   244.25
2031.40    0.151   243.58
2031.50    0.149   242.90
2031.60    0.146   242.19
2031.70    0.144   241.47
2031.80    0.141   240.71
2031.90    0.137   239.92
2032.00    0.134   239.08
2032.10    0.129   238.20
2032.20    0.125   237.25
2032.30    0.119   236.22
2032.40    0.114   235.09
2032.50    0.107   233.82
2032.60    0.100   232.39
2032.70    0.092   230.71
2032.80    0.083   228.70
2032.90    0.073   226.17
2033.00    0.063   222.83
2033.10    0.051   218.08
2033.20    0.040   210.60
2033.30    0.029   197.13
2033.40    0.020   169.93
2033.50    0.020   128.05
2033.60    0.027    98.36
2033.70    0.038    83.67
2033.80    0.050    75.69
2033.90    0.062    70.73
2034.00    0.073    67.30
2034.10    0.083    64.75
2034.20    0.092    62.75
2034.30    0.101    61.12
2034.40    0.110    59.74
2034.50    0.117    58.55
2034.60    0.124    57.49
2034.70    0.131    56.55
2034.80    0.137    55.69
2034.90    0.142    54.90
2035.00    0.147    54.16
2035.10    0.152    53.48
2035.20    0.156    52.83
2035.30    0.160    52.21
2035.40    0.164    51.63
2035.50    0.167    51.07
2035.60    0.170    50.53
2035.70    0.173    50.01
2035.80    0.175    49.50
2035.90    0.178    49.01
2036.00    0.180    48.53
2036.10    0.182    48.06
2036.20    0.184    47.60
2036.30    0.186    47.16
2036.40    0.187    46.71
2036.50    0.188    46.28
2036.60    0.190    45.85
2036.70    0.191    45.42
2036.80    0.192    45.00






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 14:58:26



www.stella-vega.de