Double Star Calculator - Orbit

Orbital Elements for JC8AB
WDS: JC8AB WDS ID/Discoverer
P: 45.018 Orbital period (years)
a: 0.404 Semi-major axis (arcseconds)
i: 172.0 Inclination (degrees)
Ω: 36.3 Longitude of ascending node (degrees)
T: 2022.507 Epoch of periastron passage (year)
e: 0.889 Eccentricity
ω: 44.9 Longitude of periastron (degrees)
Start-Year: 2002.491 Year
End-Year: 2047.509 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for JC8AB
Position: 031225.68-442510.8 Epoch-2000 right ascension and declination
WDS-ID: 03124-4425 WDS designation
Discoverer Code: JC8AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 20121 HD catalog number
Hipparcos number: 14913 Hipparcos catalog number
V1: 6.42 Magnitude of the primary
V2: 7.36 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: Doc2023a Reference

Double Star Orbit for JC8AB



WDS 6th Orbit including measures of JC8AB

-- 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 JC8AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.356   202.47
--------------------------
2002.49    0.753   169.11
2002.59    0.753   169.00
2002.69    0.752   168.90
2002.79    0.751   168.79
2002.89    0.751   168.69
2002.99    0.750   168.58
2003.09    0.750   168.48
2003.19    0.749   168.37
2003.29    0.748   168.27
2003.39    0.748   168.16
2003.49    0.747   168.06
2003.59    0.746   167.95
2003.69    0.746   167.84
2003.79    0.745   167.74
2003.89    0.744   167.63
2003.99    0.743   167.52
2004.09    0.742   167.42
2004.19    0.742   167.31
2004.29    0.741   167.20
2004.39    0.740   167.09
2004.49    0.739   166.98
2004.59    0.738   166.88
2004.69    0.737   166.77
2004.79    0.736   166.66
2004.89    0.735   166.55
2004.99    0.734   166.44
2005.09    0.733   166.33
2005.19    0.732   166.22
2005.29    0.731   166.11
2005.39    0.730   166.00
2005.49    0.729   165.89
2005.59    0.728   165.77
2005.69    0.727   165.66
2005.79    0.726   165.55
2005.89    0.724   165.44
2005.99    0.723   165.32
2006.09    0.722   165.21
2006.19    0.721   165.10
2006.29    0.719   164.98
2006.39    0.718   164.87
2006.49    0.717   164.75
2006.59    0.715   164.64
2006.69    0.714   164.52
2006.79    0.713   164.41
2006.89    0.711   164.29
2006.99    0.710   164.17
2007.09    0.708   164.05
2007.19    0.707   163.94
2007.29    0.705   163.82
2007.39    0.704   163.70
2007.49    0.702   163.58
2007.59    0.701   163.46
2007.69    0.699   163.34
2007.79    0.698   163.22
2007.89    0.696   163.09
2007.99    0.694   162.97
2008.09    0.693   162.85
2008.19    0.691   162.73
2008.29    0.689   162.60
2008.39    0.688   162.48
2008.49    0.686   162.35
2008.59    0.684   162.22
2008.69    0.682   162.10
2008.79    0.680   161.97
2008.89    0.679   161.84
2008.99    0.677   161.71
2009.09    0.675   161.58
2009.19    0.673   161.45
2009.29    0.671   161.32
2009.39    0.669   161.19
2009.49    0.667   161.06
2009.59    0.665   160.92
2009.69    0.663   160.79
2009.79    0.661   160.65
2009.89    0.659   160.52
2009.99    0.657   160.38
2010.09    0.654   160.24
2010.19    0.652   160.11
2010.29    0.650   159.97
2010.39    0.648   159.83
2010.49    0.645   159.68
2010.59    0.643   159.54
2010.69    0.641   159.40
2010.79    0.639   159.25
2010.89    0.636   159.11
2010.99    0.634   158.96
2011.09    0.631   158.81
2011.19    0.629   158.66
2011.29    0.626   158.51
2011.39    0.624   158.36
2011.49    0.621   158.21
2011.59    0.619   158.06
2011.69    0.616   157.90
2011.79    0.614   157.74
2011.89    0.611   157.59
2011.99    0.608   157.43
2012.09    0.606   157.27
2012.19    0.603   157.10
2012.29    0.600   156.94
2012.39    0.597   156.78
2012.49    0.595   156.61
2012.59    0.592   156.44
2012.69    0.589   156.27
2012.79    0.586   156.10
2012.89    0.583   155.93
2012.99    0.580   155.75
2013.09    0.577   155.57
2013.19    0.574   155.40
2013.29    0.571   155.22
2013.39    0.568   155.03
2013.49    0.565   154.85
2013.59    0.562   154.66
2013.69    0.558   154.47
2013.79    0.555   154.28
2013.89    0.552   154.09
2013.99    0.548   153.89
2014.09    0.545   153.69
2014.19    0.542   153.49
2014.29    0.538   153.29
2014.39    0.535   153.09
2014.49    0.531   152.88
2014.59    0.528   152.67
2014.69    0.524   152.45
2014.79    0.521   152.24
2014.89    0.517   152.02
2014.99    0.513   151.79
2015.09    0.510   151.57
2015.19    0.506   151.34
2015.29    0.502   151.10
2015.39    0.498   150.87
2015.49    0.494   150.63
2015.59    0.490   150.38
2015.69    0.487   150.14
2015.79    0.483   149.88
2015.89    0.478   149.63
2015.99    0.474   149.37
2016.09    0.470   149.10
2016.19    0.466   148.83
2016.29    0.462   148.56
2016.39    0.457   148.28
2016.49    0.453   147.99
2016.59    0.449   147.70
2016.69    0.444   147.40
2016.79    0.440   147.10
2016.89    0.435   146.79
2016.99    0.431   146.48
2017.09    0.426   146.15
2017.19    0.421   145.82
2017.29    0.417   145.49
2017.39    0.412   145.14
2017.49    0.407   144.79
2017.59    0.402   144.43
2017.69    0.397   144.06
2017.79    0.392   143.67
2017.89    0.387   143.28
2017.99    0.382   142.88
2018.09    0.376   142.47
2018.19    0.371   142.05
2018.29    0.366   141.61
2018.39    0.360   141.16
2018.49    0.355   140.70
2018.59    0.349   140.22
2018.69    0.343   139.73
2018.79    0.338   139.22
2018.89    0.332   138.69
2018.99    0.326   138.14
2019.09    0.320   137.57
2019.19    0.314   136.98
2019.29    0.307   136.37
2019.39    0.301   135.73
2019.49    0.295   135.06
2019.59    0.288   134.37
2019.69    0.282   133.64
2019.79    0.275   132.87
2019.89    0.268   132.07
2019.99    0.261   131.23
2020.09    0.254   130.33
2020.19    0.247   129.39
2020.29    0.240   128.39
2020.39    0.232   127.33
2020.49    0.224   126.19
2020.59    0.217   124.97
2020.69    0.209   123.67
2020.79    0.201   122.25
2020.89    0.192   120.72
2020.99    0.184   119.05
2021.09    0.175   117.21
2021.19    0.166   115.19
2021.29    0.157   112.93
2021.39    0.148   110.38
2021.49    0.138   107.50
2021.59    0.129   104.17
2021.69    0.119   100.29
2021.79    0.108    95.68
2021.89    0.098    90.09
2021.99    0.087    83.12
2022.09    0.076    74.19
2022.19    0.066    62.36
2022.29    0.056    46.23
2022.39    0.048    24.23
2022.49    0.045   356.43
2022.59    0.046   327.33
2022.69    0.053   302.85
2022.79    0.062   284.68
2022.89    0.073   271.50
2022.99    0.084   261.73
2023.09    0.094   254.23
2023.19    0.105   248.28
2023.29    0.116   243.44
2023.39    0.126   239.40
2023.49    0.136   235.96
2023.59    0.146   232.99
2023.69    0.156   230.39
2023.79    0.165   228.09
2023.89    0.174   226.03
2023.99    0.183   224.17
2024.09    0.192   222.48
2024.19    0.200   220.93
2024.29    0.208   219.51
2024.39    0.216   218.20
2024.49    0.224   216.98
2024.59    0.232   215.84
2024.69    0.240   214.77
2024.79    0.247   213.77
2024.89    0.254   212.83
2024.99    0.261   211.94
2025.09    0.268   211.10
2025.19    0.275   210.30
2025.29    0.282   209.54
2025.39    0.289   208.81
2025.49    0.295   208.12
2025.59    0.302   207.45
2025.69    0.308   206.82
2025.79    0.315   206.21
2025.89    0.321   205.62
2025.99    0.327   205.06
2026.09    0.333   204.51
2026.19    0.339   203.99
2026.29    0.345   203.48
2026.39    0.350   202.99
2026.49    0.356   202.52
2026.59    0.362   202.06
2026.69    0.367   201.61
2026.79    0.372   201.18
2026.89    0.378   200.76
2026.99    0.383   200.35
2027.09    0.388   199.95
2027.19    0.393   199.56
2027.29    0.399   199.18
2027.39    0.404   198.82
2027.49    0.409   198.46
2027.59    0.413   198.11
2027.69    0.418   197.77
2027.79    0.423   197.43
2027.89    0.428   197.10
2027.99    0.432   196.78
2028.09    0.437   196.47
2028.19    0.442   196.16
2028.29    0.446   195.86
2028.39    0.451   195.57
2028.49    0.455   195.28
2028.59    0.459   195.00
2028.69    0.464   194.72
2028.79    0.468   194.45
2028.89    0.472   194.18
2028.99    0.476   193.92
2029.09    0.480   193.66
2029.19    0.484   193.40
2029.29    0.489   193.15
2029.39    0.492   192.91
2029.49    0.496   192.67
2029.59    0.500   192.43
2029.69    0.504   192.19
2029.79    0.508   191.96
2029.89    0.512   191.73
2029.99    0.515   191.51
2030.09    0.519   191.29
2030.19    0.523   191.07
2030.29    0.526   190.85
2030.39    0.530   190.64
2030.49    0.533   190.43
2030.59    0.537   190.23
2030.69    0.540   190.02
2030.79    0.544   189.82
2030.89    0.547   189.62
2030.99    0.551   189.43
2031.09    0.554   189.23
2031.19    0.557   189.04
2031.29    0.560   188.85
2031.39    0.564   188.66
2031.49    0.567   188.48
2031.59    0.570   188.29
2031.69    0.573   188.11
2031.79    0.576   187.93
2031.89    0.579   187.76
2031.99    0.582   187.58
2032.09    0.585   187.41
2032.19    0.588   187.24
2032.29    0.591   187.06
2032.39    0.594   186.90
2032.49    0.597   186.73
2032.59    0.599   186.56
2032.69    0.602   186.40
2032.79    0.605   186.24
2032.89    0.608   186.08
2032.99    0.610   185.92
2033.09    0.613   185.76
2033.19    0.616   185.60
2033.29    0.618   185.45
2033.39    0.621   185.29
2033.49    0.623   185.14
2033.59    0.626   184.99
2033.69    0.628   184.84
2033.79    0.631   184.69
2033.89    0.633   184.54
2033.99    0.636   184.39
2034.09    0.638   184.25
2034.19    0.640   184.10
2034.29    0.643   183.96
2034.39    0.645   183.82
2034.49    0.647   183.67
2034.59    0.650   183.53
2034.69    0.652   183.39
2034.79    0.654   183.25
2034.89    0.656   183.12
2034.99    0.658   182.98
2035.09    0.660   182.84
2035.19    0.663   182.71
2035.29    0.665   182.57
2035.39    0.667   182.44
2035.49    0.669   182.31
2035.59    0.671   182.17
2035.69    0.673   182.04
2035.79    0.675   181.91
2035.89    0.676   181.78
2035.99    0.678   181.65
2036.09    0.680   181.53
2036.19    0.682   181.40
2036.29    0.684   181.27
2036.39    0.686   181.15
2036.49    0.687   181.02
2036.59    0.689   180.90
2036.69    0.691   180.77
2036.79    0.693   180.65
2036.89    0.694   180.52
2036.99    0.696   180.40
2037.09    0.698   180.28
2037.19    0.699   180.16
2037.29    0.701   180.04
2037.39    0.702   179.92
2037.49    0.704   179.80
2037.59    0.705   179.68
2037.69    0.707   179.56
2037.79    0.708   179.44
2037.89    0.710   179.32
2037.99    0.711   179.21
2038.09    0.713   179.09
2038.19    0.714   178.97
2038.29    0.715   178.86
2038.39    0.717   178.74
2038.49    0.718   178.63
2038.59    0.719   178.51
2038.69    0.721   178.40
2038.79    0.722   178.28
2038.89    0.723   178.17
2038.99    0.724   178.06
2039.09    0.725   177.95
2039.19    0.727   177.83
2039.29    0.728   177.72
2039.39    0.729   177.61
2039.49    0.730   177.50
2039.59    0.731   177.39
2039.69    0.732   177.28
2039.79    0.733   177.17
2039.89    0.734   177.06
2039.99    0.735   176.95
2040.09    0.736   176.84
2040.19    0.737   176.73
2040.29    0.738   176.62
2040.39    0.739   176.51
2040.49    0.740   176.40
2040.59    0.741   176.30
2040.69    0.742   176.19
2040.79    0.742   176.08
2040.89    0.743   175.97
2040.99    0.744   175.87
2041.09    0.745   175.76
2041.19    0.746   175.65
2041.29    0.746   175.55
2041.39    0.747   175.44
2041.49    0.748   175.33
2041.59    0.748   175.23
2041.69    0.749   175.12
2041.79    0.750   175.02
2041.89    0.750   174.91
2041.99    0.751   174.81
2042.09    0.751   174.70
2042.19    0.752   174.60
2042.29    0.753   174.49
2042.39    0.753   174.39
2042.49    0.754   174.28
2042.59    0.754   174.18
2042.69    0.754   174.08
2042.79    0.755   173.97
2042.89    0.755   173.87
2042.99    0.756   173.76
2043.09    0.756   173.66
2043.19    0.756   173.56
2043.29    0.757   173.45
2043.39    0.757   173.35
2043.49    0.757   173.25
2043.59    0.758   173.14
2043.69    0.758   173.04
2043.79    0.758   172.94
2043.89    0.758   172.84
2043.99    0.759   172.73
2044.09    0.759   172.63
2044.19    0.759   172.53
2044.29    0.759   172.42
2044.39    0.759   172.32
2044.49    0.759   172.22
2044.59    0.759   172.12
2044.69    0.759   172.01
2044.79    0.759   171.91
2044.89    0.759   171.81
2044.99    0.759   171.71
2045.09    0.759   171.60
2045.19    0.759   171.50
2045.29    0.759   171.40
2045.39    0.759   171.30
2045.49    0.759   171.19
2045.59    0.759   171.09
2045.69    0.759   170.99
2045.79    0.759   170.88
2045.89    0.759   170.78
2045.99    0.758   170.68
2046.09    0.758   170.58
2046.19    0.758   170.47
2046.29    0.758   170.37
2046.39    0.757   170.27
2046.49    0.757   170.16
2046.59    0.757   170.06
2046.69    0.757   169.96
2046.79    0.756   169.85
2046.89    0.756   169.75
2046.99    0.755   169.65
2047.09    0.755   169.54
2047.19    0.755   169.44
2047.29    0.754   169.33
2047.39    0.754   169.23
2047.49    0.753   169.13






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 15:08:33



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