Double Star Calculator - Orbit

Orbital Elements for KUI99AB
WDS: KUI99AB WDS ID/Discoverer
P: 38.679 Orbital period (years)
a: 0.855 Semi-major axis (arcseconds)
i: 87.4 Inclination (degrees)
Ω: 127.6 Longitude of ascending node (degrees)
T: 2016.110 Epoch of periastron passage (year)
e: 0.118 Eccentricity
ω: 233.4 Longitude of periastron (degrees)
Start-Year: 2005.6605 Year
End-Year: 2044.3395 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for KUI99AB
Position: 203937.71+045819.3 Epoch-2000 right ascension and declination
WDS-ID: 20396+0458 WDS designation
Discoverer Code: KUI99AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 196795 HD catalog number
Hipparcos number: 101955 Hipparcos catalog number
V1: 8.28 Magnitude of the primary
V2: 9.63 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2016 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: Tok2017a Reference

Double Star Orbit for KUI99AB



WDS 6th Orbit including measures of KUI99AB

-- 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 KUI99AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.841   126.81
--------------------------
2005.66    0.481   303.62
2005.76    0.491   303.75
2005.86    0.502   303.87
2005.96    0.512   303.99
2006.06    0.522   304.11
2006.16    0.531   304.22
2006.26    0.541   304.32
2006.36    0.550   304.43
2006.46    0.560   304.53
2006.56    0.569   304.62
2006.66    0.578   304.71
2006.76    0.587   304.81
2006.86    0.596   304.89
2006.96    0.605   304.98
2007.06    0.613   305.06
2007.16    0.622   305.14
2007.26    0.630   305.22
2007.36    0.638   305.30
2007.46    0.646   305.37
2007.56    0.653   305.44
2007.66    0.661   305.51
2007.76    0.668   305.58
2007.86    0.675   305.65
2007.96    0.682   305.72
2008.06    0.689   305.78
2008.16    0.695   305.85
2008.26    0.702   305.91
2008.36    0.708   305.97
2008.46    0.714   306.03
2008.56    0.720   306.09
2008.66    0.725   306.15
2008.76    0.731   306.21
2008.86    0.736   306.26
2008.96    0.741   306.32
2009.06    0.746   306.38
2009.16    0.750   306.43
2009.26    0.754   306.49
2009.36    0.758   306.54
2009.46    0.762   306.59
2009.56    0.766   306.64
2009.66    0.769   306.70
2009.76    0.772   306.75
2009.86    0.775   306.80
2009.96    0.778   306.85
2010.06    0.780   306.90
2010.16    0.783   306.95
2010.26    0.785   307.00
2010.36    0.786   307.05
2010.46    0.788   307.10
2010.56    0.789   307.15
2010.66    0.790   307.20
2010.76    0.790   307.25
2010.86    0.791   307.30
2010.96    0.791   307.35
2011.06    0.791   307.39
2011.16    0.791   307.44
2011.26    0.790   307.49
2011.36    0.789   307.54
2011.46    0.788   307.59
2011.56    0.787   307.64
2011.66    0.785   307.69
2011.76    0.783   307.74
2011.86    0.781   307.79
2011.96    0.778   307.84
2012.06    0.775   307.89
2012.16    0.772   307.94
2012.26    0.769   307.99
2012.36    0.766   308.05
2012.46    0.762   308.10
2012.56    0.758   308.15
2012.66    0.753   308.21
2012.76    0.749   308.26
2012.86    0.744   308.31
2012.96    0.739   308.37
2013.06    0.733   308.43
2013.16    0.728   308.48
2013.26    0.722   308.54
2013.36    0.715   308.60
2013.46    0.709   308.66
2013.56    0.702   308.72
2013.66    0.695   308.79
2013.76    0.688   308.85
2013.86    0.680   308.92
2013.96    0.673   308.98
2014.06    0.665   309.05
2014.16    0.656   309.12
2014.26    0.648   309.19
2014.36    0.639   309.27
2014.46    0.630   309.34
2014.56    0.621   309.42
2014.66    0.611   309.50
2014.76    0.602   309.59
2014.86    0.592   309.67
2014.96    0.582   309.76
2015.06    0.571   309.85
2015.16    0.561   309.95
2015.26    0.550   310.05
2015.36    0.539   310.15
2015.46    0.528   310.26
2015.56    0.516   310.37
2015.66    0.505   310.49
2015.76    0.493   310.61
2015.86    0.481   310.74
2015.96    0.469   310.88
2016.06    0.457   311.02
2016.16    0.444   311.17
2016.26    0.431   311.33
2016.36    0.419   311.50
2016.46    0.406   311.68
2016.56    0.392   311.88
2016.66    0.379   312.08
2016.76    0.366   312.30
2016.86    0.352   312.54
2016.96    0.339   312.80
2017.06    0.325   313.08
2017.16    0.311   313.38
2017.26    0.297   313.71
2017.36    0.283   314.08
2017.46    0.268   314.48
2017.56    0.254   314.93
2017.66    0.240   315.44
2017.76    0.225   316.00
2017.86    0.211   316.65
2017.96    0.196   317.39
2018.06    0.181   318.25
2018.16    0.167   319.27
2018.26    0.152   320.47
2018.36    0.138   321.94
2018.46    0.123   323.75
2018.56    0.109   326.05
2018.66    0.094   329.05
2018.76    0.080   333.09
2018.86    0.067   338.80
2018.96    0.055   347.23
2019.06    0.044     0.16
2019.16    0.037    19.55
2019.26    0.035    44.03
2019.36    0.040    66.42
2019.46    0.049    82.23
2019.56    0.061    92.51
2019.66    0.074    99.33
2019.76    0.088   104.07
2019.86    0.102   107.51
2019.96    0.116   110.10
2020.06    0.131   112.12
2020.16    0.145   113.73
2020.26    0.160   115.05
2020.36    0.175   116.15
2020.46    0.189   117.08
2020.56    0.204   117.87
2020.66    0.218   118.56
2020.76    0.233   119.16
2020.86    0.247   119.70
2020.96    0.262   120.17
2021.06    0.276   120.59
2021.16    0.291   120.97
2021.26    0.305   121.32
2021.36    0.319   121.64
2021.46    0.333   121.92
2021.56    0.347   122.19
2021.66    0.361   122.43
2021.76    0.374   122.66
2021.86    0.388   122.87
2021.96    0.401   123.07
2022.06    0.415   123.25
2022.16    0.428   123.43
2022.26    0.441   123.59
2022.36    0.454   123.74
2022.46    0.467   123.89
2022.56    0.479   124.02
2022.66    0.492   124.15
2022.76    0.504   124.28
2022.86    0.516   124.40
2022.96    0.529   124.51
2023.06    0.540   124.62
2023.16    0.552   124.72
2023.26    0.564   124.82
2023.36    0.575   124.91
2023.46    0.587   125.00
2023.56    0.598   125.09
2023.66    0.609   125.17
2023.76    0.619   125.25
2023.86    0.630   125.33
2023.96    0.640   125.41
2024.06    0.651   125.48
2024.16    0.661   125.55
2024.26    0.670   125.62
2024.36    0.680   125.69
2024.46    0.690   125.76
2024.56    0.699   125.82
2024.66    0.708   125.88
2024.76    0.717   125.94
2024.86    0.726   126.00
2024.96    0.734   126.06
2025.06    0.743   126.11
2025.16    0.751   126.17
2025.26    0.759   126.22
2025.36    0.766   126.28
2025.46    0.774   126.33
2025.56    0.781   126.38
2025.66    0.789   126.43
2025.76    0.796   126.48
2025.86    0.802   126.52
2025.96    0.809   126.57
2026.06    0.815   126.62
2026.16    0.821   126.66
2026.26    0.827   126.71
2026.36    0.833   126.75
2026.46    0.839   126.80
2026.56    0.844   126.84
2026.66    0.849   126.88
2026.76    0.854   126.93
2026.86    0.859   126.97
2026.96    0.863   127.01
2027.06    0.868   127.05
2027.16    0.872   127.09
2027.26    0.876   127.13
2027.36    0.879   127.17
2027.46    0.883   127.21
2027.56    0.886   127.25
2027.66    0.889   127.29
2027.76    0.892   127.33
2027.86    0.895   127.37
2027.96    0.897   127.40
2028.06    0.900   127.44
2028.16    0.902   127.48
2028.26    0.903   127.52
2028.36    0.905   127.55
2028.46    0.907   127.59
2028.56    0.908   127.63
2028.66    0.909   127.67
2028.76    0.910   127.70
2028.86    0.910   127.74
2028.96    0.911   127.78
2029.06    0.911   127.81
2029.16    0.911   127.85
2029.26    0.911   127.89
2029.36    0.911   127.92
2029.46    0.910   127.96
2029.56    0.910   128.00
2029.66    0.909   128.04
2029.76    0.908   128.07
2029.86    0.906   128.11
2029.96    0.905   128.15
2030.06    0.903   128.18
2030.16    0.902   128.22
2030.26    0.900   128.26
2030.36    0.897   128.30
2030.46    0.895   128.34
2030.56    0.892   128.37
2030.66    0.890   128.41
2030.76    0.887   128.45
2030.86    0.884   128.49
2030.96    0.880   128.53
2031.06    0.877   128.57
2031.16    0.873   128.61
2031.26    0.869   128.65
2031.36    0.865   128.69
2031.46    0.861   128.73
2031.56    0.857   128.77
2031.66    0.852   128.82
2031.76    0.848   128.86
2031.86    0.843   128.90
2031.96    0.838   128.95
2032.06    0.833   128.99
2032.16    0.827   129.03
2032.26    0.822   129.08
2032.36    0.816   129.12
2032.46    0.810   129.17
2032.56    0.804   129.22
2032.66    0.798   129.27
2032.76    0.792   129.31
2032.86    0.785   129.36
2032.96    0.779   129.41
2033.06    0.772   129.46
2033.16    0.765   129.52
2033.26    0.758   129.57
2033.36    0.751   129.62
2033.46    0.744   129.68
2033.56    0.736   129.73
2033.66    0.729   129.79
2033.76    0.721   129.85
2033.86    0.713   129.91
2033.96    0.705   129.97
2034.06    0.697   130.03
2034.16    0.689   130.10
2034.26    0.680   130.16
2034.36    0.672   130.23
2034.46    0.663   130.30
2034.56    0.654   130.37
2034.66    0.645   130.44
2034.76    0.636   130.52
2034.86    0.627   130.59
2034.96    0.618   130.67
2035.06    0.609   130.75
2035.16    0.599   130.84
2035.26    0.589   130.92
2035.36    0.580   131.01
2035.46    0.570   131.11
2035.56    0.560   131.20
2035.66    0.550   131.30
2035.76    0.540   131.40
2035.86    0.530   131.51
2035.96    0.519   131.62
2036.06    0.509   131.74
2036.16    0.498   131.86
2036.26    0.488   131.99
2036.36    0.477   132.12
2036.46    0.466   132.26
2036.56    0.455   132.40
2036.66    0.444   132.55
2036.76    0.433   132.71
2036.86    0.422   132.88
2036.96    0.411   133.06
2037.06    0.400   133.24
2037.16    0.388   133.44
2037.26    0.377   133.65
2037.36    0.365   133.87
2037.46    0.354   134.11
2037.56    0.342   134.36
2037.66    0.331   134.63
2037.76    0.319   134.92
2037.86    0.307   135.24
2037.96    0.295   135.57
2038.06    0.283   135.94
2038.16    0.272   136.34
2038.26    0.260   136.77
2038.36    0.248   137.25
2038.46    0.236   137.77
2038.56    0.224   138.36
2038.66    0.212   139.00
2038.76    0.199   139.73
2038.86    0.187   140.55
2038.96    0.175   141.48
2039.06    0.163   142.55
2039.16    0.151   143.79
2039.26    0.139   145.25
2039.36    0.127   146.97
2039.46    0.116   149.05
2039.56    0.104   151.60
2039.66    0.093   154.78
2039.76    0.082   158.82
2039.86    0.071   164.09
2039.96    0.062   171.11
2040.06    0.053   180.54
2040.16    0.047   193.06
2040.26    0.043   208.66
2040.36    0.043   225.70
2040.46    0.046   241.48
2040.56    0.052   254.25
2040.66    0.061   263.89
2040.76    0.070   271.06
2040.86    0.081   276.44
2040.96    0.092   280.56
2041.06    0.103   283.79
2041.16    0.115   286.38
2041.26    0.127   288.49
2041.36    0.138   290.24
2041.46    0.150   291.71
2041.56    0.162   292.97
2041.66    0.174   294.05
2041.76    0.186   294.99
2041.86    0.198   295.82
2041.96    0.211   296.55
2042.06    0.223   297.21
2042.16    0.235   297.80
2042.26    0.247   298.33
2042.36    0.258   298.81
2042.46    0.270   299.25
2042.56    0.282   299.65
2042.66    0.294   300.02
2042.76    0.306   300.36
2042.86    0.317   300.67
2042.96    0.329   300.97
2043.06    0.341   301.24
2043.16    0.352   301.50
2043.26    0.364   301.74
2043.36    0.375   301.96
2043.46    0.386   302.17
2043.56    0.397   302.37
2043.66    0.408   302.56
2043.76    0.419   302.74
2043.86    0.430   302.91
2043.96    0.441   303.07
2044.06    0.452   303.22
2044.16    0.462   303.37
2044.26    0.473   303.51






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 18:17:25



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