Double Star Calculator - Orbit

Orbital Elements for WSI93

WDS:	WSI93	WDS ID/Discoverer
P:	25.450	Orbital period (years)
a:	0.2391	Semi-major axis (arcseconds)
i:	34.2	Inclination (degrees)
Ω:	1.6	Longitude of ascending node (degrees)
T:	2017.370	Epoch of periastron passage (year)
e:	0.634	Eccentricity
ω:	88.8	Longitude of periastron (degrees)
Start-Year:	2012.275	Year
End-Year:	2037.725	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WSI93
Position:	224721.69+174846.0	Epoch-2000 right ascension and declination
WDS-ID:	22474+1749	WDS designation
Discoverer Code:	WSI93	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	215775	HD catalog number
Hipparcos number:	112506	Hipparcos catalog number
V1:	8.1	Magnitude of the primary
V2:	11.2	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:		Flags
Ephemerides:		Ephemerides
Code:	Tok2020e	Reference

Double Star Orbit for WSI93

WDS 6th Orbit including measures of WSI93

-- 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 WSI93

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.310   251.86
--------------------------
2012.28    0.253   314.46
2012.38    0.251   315.27
2012.47    0.249   316.10
2012.57    0.247   316.94
2012.67    0.245   317.80
2012.77    0.243   318.67
2012.87    0.240   319.55
2012.97    0.238   320.46
2013.07    0.235   321.38
2013.17    0.233   322.33
2013.27    0.230   323.29
2013.37    0.228   324.27
2013.47    0.225   325.28
2013.57    0.223   326.31
2013.67    0.220   327.37
2013.77    0.217   328.45
2013.87    0.214   329.57
2013.97    0.211   330.71
2014.07    0.208   331.89
2014.17    0.205   333.10
2014.27    0.202   334.35
2014.37    0.199   335.64
2014.47    0.195   336.97
2014.57    0.192   338.35
2014.67    0.188   339.78
2014.77    0.185   341.26
2014.87    0.181   342.81
2014.97    0.177   344.42
2015.07    0.173   346.10
2015.17    0.169   347.86
2015.27    0.165   349.71
2015.37    0.161   351.65
2015.47    0.157   353.69
2015.57    0.152   355.86
2015.67    0.148   358.16
2015.77    0.143     0.61
2015.87    0.138     3.23
2015.97    0.133     6.04
2016.07    0.128     9.07
2016.17    0.123    12.36
2016.27    0.118    15.94
2016.37    0.112    19.87
2016.47    0.107    24.19
2016.57    0.101    28.98
2016.67    0.096    34.30
2016.77    0.091    40.25
2016.87    0.086    46.88
2016.97    0.082    54.28
2017.07    0.078    62.45
2017.17    0.075    71.35
2017.27    0.073    80.83
2017.37    0.072    90.64
2017.47    0.073   100.46
2017.57    0.075   109.97
2017.67    0.078   118.91
2017.77    0.081   127.12
2017.87    0.086   134.56
2017.97    0.091   141.23
2018.07    0.096   147.19
2018.17    0.101   152.54
2018.27    0.107   157.33
2018.37    0.112   161.66
2018.47    0.118   165.58
2018.57    0.123   169.16
2018.67    0.128   172.44
2018.77    0.133   175.46
2018.87    0.139   178.26
2018.97    0.143   180.86
2019.07    0.148   183.29
2019.17    0.153   185.57
2019.27    0.158   187.72
2019.37    0.162   189.74
2019.47    0.166   191.66
2019.57    0.170   193.49
2019.67    0.175   195.23
2019.77    0.179   196.89
2019.87    0.182   198.48
2019.97    0.186   200.00
2020.07    0.190   201.46
2020.17    0.193   202.87
2020.27    0.197   204.23
2020.37    0.200   205.54
2020.47    0.204   206.81
2020.57    0.207   208.04
2020.67    0.210   209.23
2020.77    0.213   210.39
2020.87    0.216   211.52
2020.97    0.219   212.61
2021.07    0.222   213.68
2021.17    0.225   214.72
2021.27    0.227   215.73
2021.37    0.230   216.72
2021.47    0.233   217.69
2021.57    0.235   218.63
2021.67    0.238   219.56
2021.77    0.240   220.47
2021.87    0.242   221.36
2021.97    0.245   222.23
2022.07    0.247   223.08
2022.17    0.249   223.92
2022.27    0.251   224.75
2022.37    0.253   225.56
2022.47    0.256   226.36
2022.57    0.258   227.15
2022.67    0.260   227.92
2022.77    0.262   228.68
2022.87    0.263   229.43
2022.97    0.265   230.17
2023.07    0.267   230.90
2023.17    0.269   231.62
2023.27    0.271   232.33
2023.37    0.272   233.03
2023.47    0.274   233.73
2023.57    0.276   234.41
2023.67    0.277   235.09
2023.77    0.279   235.76
2023.87    0.280   236.42
2023.97    0.282   237.07
2024.07    0.283   237.72
2024.17    0.285   238.36
2024.27    0.286   238.99
2024.37    0.288   239.62
2024.47    0.289   240.24
2024.57    0.290   240.86
2024.67    0.292   241.47
2024.77    0.293   242.08
2024.87    0.294   242.68
2024.97    0.295   243.27
2025.07    0.296   243.87
2025.17    0.298   244.45
2025.27    0.299   245.03
2025.37    0.300   245.61
2025.47    0.301   246.19
2025.57    0.302   246.76
2025.67    0.303   247.32
2025.77    0.304   247.88
2025.87    0.305   248.44
2025.97    0.306   249.00
2026.07    0.307   249.55
2026.17    0.307   250.10
2026.27    0.308   250.65
2026.37    0.309   251.19
2026.47    0.310   251.73
2026.57    0.311   252.27
2026.67    0.311   252.80
2026.77    0.312   253.33
2026.87    0.313   253.86
2026.97    0.313   254.39
2027.07    0.314   254.92
2027.17    0.315   255.44
2027.27    0.315   255.96
2027.37    0.316   256.48
2027.47    0.316   257.00
2027.57    0.317   257.51
2027.67    0.317   258.03
2027.77    0.318   258.54
2027.87    0.318   259.05
2027.97    0.319   259.56
2028.07    0.319   260.07
2028.17    0.320   260.58
2028.27    0.320   261.08
2028.37    0.320   261.59
2028.47    0.321   262.09
2028.57    0.321   262.59
2028.67    0.321   263.09
2028.77    0.322   263.59
2028.87    0.322   264.09
2028.97    0.322   264.59
2029.07    0.322   265.09
2029.17    0.322   265.59
2029.27    0.323   266.08
2029.37    0.323   266.58
2029.47    0.323   267.08
2029.57    0.323   267.57
2029.67    0.323   268.07
2029.77    0.323   268.56
2029.87    0.323   269.06
2029.97    0.323   269.55
2030.07    0.323   270.05
2030.17    0.323   270.55
2030.27    0.323   271.04
2030.37    0.323   271.54
2030.47    0.323   272.03
2030.57    0.323   272.53
2030.67    0.323   273.03
2030.77    0.323   273.52
2030.87    0.322   274.02
2030.97    0.322   274.52
2031.07    0.322   275.02
2031.17    0.322   275.52
2031.27    0.321   276.02
2031.37    0.321   276.52
2031.47    0.321   277.02
2031.57    0.321   277.52
2031.67    0.320   278.03
2031.77    0.320   278.53
2031.87    0.319   279.04
2031.97    0.319   279.54
2032.07    0.319   280.05
2032.17    0.318   280.56
2032.27    0.318   281.08
2032.37    0.317   281.59
2032.47    0.317   282.10
2032.57    0.316   282.62
2032.67    0.316   283.14
2032.77    0.315   283.66
2032.87    0.314   284.18
2032.97    0.314   284.71
2033.07    0.313   285.23
2033.17    0.312   285.76
2033.27    0.312   286.29
2033.37    0.311   286.83
2033.47    0.310   287.36
2033.57    0.309   287.90
2033.67    0.309   288.44
2033.77    0.308   288.99
2033.87    0.307   289.54
2033.97    0.306   290.09
2034.07    0.305   290.64
2034.17    0.304   291.20
2034.27    0.303   291.76
2034.37    0.302   292.32
2034.47    0.301   292.89
2034.57    0.300   293.46
2034.67    0.299   294.03
2034.77    0.298   294.61
2034.87    0.297   295.20
2034.97    0.296   295.78
2035.07    0.295   296.38
2035.17    0.294   296.97
2035.27    0.293   297.57
2035.37    0.291   298.18
2035.47    0.290   298.79
2035.57    0.289   299.41
2035.67    0.288   300.03
2035.77    0.286   300.66
2035.87    0.285   301.30
2035.97    0.283   301.94
2036.07    0.282   302.58
2036.17    0.280   303.24
2036.27    0.279   303.90
2036.37    0.277   304.57
2036.47    0.276   305.24
2036.57    0.274   305.93
2036.67    0.273   306.62
2036.77    0.271   307.32
2036.87    0.269   308.03
2036.97    0.268   308.75
2037.07    0.266   309.47
2037.17    0.264   310.21
2037.27    0.262   310.96
2037.37    0.260   311.72
2037.47    0.258   312.48
2037.57    0.256   313.27
2037.67    0.254   314.06

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 18:43:45