Double Star Calculator - Orbit

Orbital Elements for LUH16

WDS:	LUH16	WDS ID/Discoverer
P:	26.550	Orbital period (years)
a:	1.764	Semi-major axis (arcseconds)
i:	79.92	Inclination (degrees)
Ω:	130.02	Longitude of ascending node (degrees)
T:	2018.060	Epoch of periastron passage (year)
e:	0.344	Eccentricity
ω:	136.67	Longitude of periastron (degrees)
Start-Year:	2011.725	Year
End-Year:	2038.275	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LUH16
Position:	104918.81-531906.3	Epoch-2000 right ascension and declination
WDS-ID:	10493-5319	WDS designation
Discoverer Code:	LUH16	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	15.5 r	Magnitude of the primary
V2:	15.9 r	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Bdi2024	Reference

Double Star Orbit for LUH16

WDS 6th Orbit including measures of LUH16

-- 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 LUH16

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.534    86.07
--------------------------
2011.72    1.872   132.35
2011.82    1.851   132.55
2011.92    1.830   132.76
2012.02    1.807   132.97
2012.12    1.784   133.18
2012.22    1.760   133.40
2012.32    1.736   133.63
2012.42    1.710   133.87
2012.52    1.683   134.11
2012.62    1.656   134.35
2012.72    1.628   134.61
2012.82    1.599   134.88
2012.92    1.569   135.15
2013.02    1.539   135.44
2013.12    1.507   135.74
2013.22    1.475   136.05
2013.32    1.442   136.38
2013.42    1.407   136.72
2013.52    1.373   137.08
2013.62    1.337   137.46
2013.72    1.300   137.86
2013.82    1.263   138.28
2013.92    1.224   138.73
2014.02    1.185   139.20
2014.12    1.145   139.72
2014.22    1.105   140.26
2014.32    1.063   140.85
2014.42    1.021   141.49
2014.52    0.978   142.19
2014.62    0.934   142.95
2014.72    0.890   143.78
2014.82    0.845   144.70
2014.92    0.799   145.73
2015.02    0.753   146.88
2015.12    0.706   148.19
2015.22    0.660   149.68
2015.32    0.612   151.39
2015.42    0.565   153.39
2015.52    0.518   155.76
2015.62    0.472   158.60
2015.72    0.426   162.05
2015.82    0.382   166.31
2015.92    0.340   171.66
2016.02    0.301   178.46
2016.12    0.267   187.13
2016.22    0.241   197.98
2016.32    0.224   210.95
2016.42    0.220   225.12
2016.52    0.230   238.95
2016.62    0.251   251.08
2016.72    0.280   261.00
2016.82    0.317   268.83
2016.92    0.357   274.98
2017.02    0.400   279.85
2017.12    0.444   283.76
2017.22    0.489   286.96
2017.32    0.535   289.60
2017.42    0.581   291.84
2017.52    0.626   293.75
2017.62    0.671   295.40
2017.72    0.714   296.84
2017.82    0.757   298.13
2017.92    0.799   299.27
2018.02    0.839   300.31
2018.12    0.878   301.25
2018.22    0.916   302.11
2018.32    0.952   302.90
2018.42    0.986   303.64
2018.52    1.018   304.33
2018.62    1.049   304.98
2018.72    1.077   305.60
2018.82    1.104   306.18
2018.92    1.129   306.73
2019.02    1.152   307.27
2019.12    1.172   307.78
2019.22    1.191   308.28
2019.32    1.208   308.76
2019.42    1.223   309.23
2019.52    1.236   309.69
2019.62    1.247   310.14
2019.72    1.256   310.58
2019.82    1.263   311.02
2019.92    1.268   311.45
2020.02    1.272   311.88
2020.12    1.274   312.31
2020.22    1.274   312.74
2020.32    1.272   313.16
2020.42    1.269   313.59
2020.52    1.265   314.02
2020.62    1.259   314.46
2020.72    1.251   314.90
2020.82    1.242   315.35
2020.92    1.232   315.80
2021.02    1.220   316.26
2021.12    1.208   316.73
2021.22    1.194   317.21
2021.32    1.179   317.70
2021.42    1.163   318.21
2021.52    1.146   318.73
2021.62    1.128   319.27
2021.72    1.110   319.82
2021.82    1.090   320.39
2021.92    1.070   320.99
2022.02    1.049   321.60
2022.12    1.027   322.25
2022.22    1.005   322.92
2022.32    0.982   323.62
2022.42    0.958   324.36
2022.52    0.934   325.14
2022.62    0.909   325.95
2022.72    0.885   326.81
2022.82    0.859   327.73
2022.92    0.834   328.69
2023.02    0.808   329.72
2023.12    0.782   330.82
2023.22    0.756   331.99
2023.32    0.730   333.25
2023.42    0.703   334.60
2023.52    0.677   336.06
2023.62    0.651   337.63
2023.72    0.625   339.34
2023.82    0.599   341.19
2023.92    0.574   343.20
2024.02    0.550   345.40
2024.12    0.525   347.80
2024.22    0.502   350.43
2024.32    0.480   353.31
2024.42    0.458   356.46
2024.52    0.438   359.91
2024.62    0.420     3.68
2024.72    0.403     7.77
2024.82    0.389    12.20
2024.92    0.377    16.93
2025.02    0.367    21.95
2025.12    0.360    27.20
2025.22    0.357    32.61
2025.32    0.356    38.08
2025.42    0.358    43.53
2025.52    0.364    48.86
2025.62    0.372    53.99
2025.72    0.383    58.86
2025.82    0.397    63.43
2025.92    0.412    67.67
2026.02    0.430    71.58
2026.12    0.449    75.17
2026.22    0.470    78.45
2026.32    0.492    81.45
2026.42    0.516    84.18
2026.52    0.540    86.67
2026.62    0.565    88.95
2026.72    0.590    91.03
2026.82    0.616    92.93
2026.92    0.643    94.68
2027.02    0.670    96.30
2027.12    0.697    97.78
2027.22    0.724    99.16
2027.32    0.752   100.43
2027.42    0.779   101.61
2027.52    0.807   102.71
2027.62    0.835   103.74
2027.72    0.863   104.70
2027.82    0.891   105.61
2027.92    0.919   106.45
2028.02    0.947   107.25
2028.12    0.974   108.00
2028.22    1.002   108.71
2028.32    1.029   109.39
2028.42    1.057   110.02
2028.52    1.084   110.63
2028.62    1.111   111.20
2028.72    1.138   111.75
2028.82    1.165   112.28
2028.92    1.191   112.78
2029.02    1.217   113.25
2029.12    1.244   113.71
2029.22    1.269   114.15
2029.32    1.295   114.57
2029.42    1.320   114.98
2029.52    1.345   115.37
2029.62    1.370   115.74
2029.72    1.395   116.11
2029.82    1.419   116.46
2029.92    1.443   116.80
2030.02    1.467   117.12
2030.12    1.490   117.44
2030.22    1.514   117.75
2030.32    1.536   118.05
2030.42    1.559   118.34
2030.52    1.581   118.62
2030.62    1.603   118.89
2030.72    1.624   119.16
2030.82    1.646   119.42
2030.92    1.666   119.67
2031.02    1.687   119.92
2031.12    1.707   120.16
2031.22    1.727   120.39
2031.32    1.746   120.62
2031.42    1.765   120.85
2031.52    1.784   121.07
2031.62    1.802   121.28
2031.72    1.820   121.49
2031.82    1.837   121.70
2031.92    1.854   121.91
2032.02    1.871   122.11
2032.12    1.887   122.30
2032.22    1.903   122.49
2032.32    1.918   122.68
2032.42    1.933   122.87
2032.52    1.948   123.06
2032.62    1.962   123.24
2032.72    1.975   123.42
2032.82    1.989   123.59
2032.92    2.001   123.77
2033.02    2.014   123.94
2033.12    2.025   124.11
2033.22    2.037   124.28
2033.32    2.048   124.44
2033.42    2.058   124.61
2033.52    2.068   124.77
2033.62    2.077   124.93
2033.72    2.086   125.09
2033.82    2.095   125.25
2033.92    2.103   125.41
2034.02    2.110   125.56
2034.12    2.117   125.72
2034.22    2.123   125.87
2034.32    2.129   126.03
2034.42    2.135   126.18
2034.52    2.139   126.33
2034.62    2.144   126.48
2034.72    2.147   126.63
2034.82    2.150   126.78
2034.92    2.153   126.93
2035.02    2.155   127.08
2035.12    2.156   127.23
2035.22    2.157   127.38
2035.32    2.158   127.53
2035.42    2.157   127.68
2035.52    2.156   127.83
2035.62    2.155   127.98
2035.72    2.153   128.13
2035.82    2.150   128.28
2035.92    2.147   128.43
2036.02    2.143   128.58
2036.12    2.138   128.73
2036.22    2.133   128.88
2036.32    2.127   129.03
2036.42    2.120   129.19
2036.52    2.113   129.34
2036.62    2.105   129.50
2036.72    2.096   129.66
2036.82    2.087   129.81
2036.92    2.077   129.97
2037.02    2.067   130.14
2037.12    2.055   130.30
2037.22    2.043   130.46
2037.32    2.030   130.63
2037.42    2.017   130.80
2037.52    2.003   130.97
2037.62    1.988   131.15
2037.72    1.972   131.32
2037.82    1.956   131.50
2037.92    1.938   131.69
2038.02    1.920   131.87
2038.12    1.902   132.06
2038.22    1.882   132.26

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 16:31:04