Double Star Calculator - Orbit

Orbital Elements for WSI106AA,AB

WDS:	WSI106AA,AB	WDS ID/Discoverer
P:	12.400	Orbital period (years)
a:	0.061	Semi-major axis (arcseconds)
i:	124.2	Inclination (degrees)
Ω:	146.4	Longitude of ascending node (degrees)
T:	2017.316	Epoch of periastron passage (year)
e:	0.256	Eccentricity
ω:	111.3	Longitude of periastron (degrees)
Start-Year:	2018.8	Year
End-Year:	2031.2	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WSI106AA,AB
Position:	180017.93+215347.5	Epoch-2000 right ascension and declination
WDS-ID:	18003+2154	WDS designation
Discoverer Code:	WSI106AA,AB	Discover designation and components
ADS number:	10971	Aitken Double Star catalog
HD number:	341480	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.4	Magnitude of the primary
V2:	9.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for WSI106AA,AB

WDS 6th Orbit including measures of WSI106AA,AB

-- 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 WSI106AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.065   151.89
--------------------------
2018.80    0.052   326.64
2018.90    0.053   324.50
2019.00    0.053   322.42
2019.10    0.054   320.37
2019.20    0.054   318.36
2019.30    0.054   316.36
2019.40    0.054   314.37
2019.50    0.054   312.38
2019.60    0.054   310.39
2019.70    0.054   308.39
2019.80    0.054   306.36
2019.90    0.053   304.31
2020.00    0.053   302.23
2020.10    0.052   300.11
2020.20    0.052   297.94
2020.30    0.051   295.73
2020.40    0.051   293.46
2020.50    0.050   291.13
2020.60    0.049   288.73
2020.70    0.048   286.27
2020.80    0.048   283.74
2020.90    0.047   281.13
2021.00    0.046   278.44
2021.10    0.046   275.68
2021.20    0.045   272.83
2021.30    0.045   269.91
2021.40    0.044   266.91
2021.50    0.043   263.84
2021.60    0.043   260.70
2021.70    0.043   257.50
2021.80    0.042   254.25
2021.90    0.042   250.97
2022.00    0.042   247.65
2022.10    0.042   244.31
2022.20    0.042   240.97
2022.30    0.042   237.63
2022.40    0.042   234.32
2022.50    0.042   231.05
2022.60    0.043   227.81
2022.70    0.043   224.64
2022.80    0.044   221.53
2022.90    0.044   218.49
2023.00    0.045   215.53
2023.10    0.046   212.66
2023.20    0.046   209.87
2023.30    0.047   207.18
2023.40    0.048   204.57
2023.50    0.049   202.05
2023.60    0.050   199.62
2023.70    0.050   197.27
2023.80    0.051   195.00
2023.90    0.052   192.82
2024.00    0.053   190.71
2024.10    0.054   188.67
2024.20    0.055   186.70
2024.30    0.056   184.80
2024.40    0.057   182.96
2024.50    0.058   181.17
2024.60    0.059   179.44
2024.70    0.059   177.75
2024.80    0.060   176.11
2024.90    0.061   174.51
2025.00    0.062   172.95
2025.10    0.062   171.42
2025.20    0.063   169.93
2025.30    0.064   168.46
2025.40    0.064   167.02
2025.50    0.065   165.60
2025.60    0.065   164.20
2025.70    0.065   162.81
2025.80    0.065   161.44
2025.90    0.066   160.08
2026.00    0.066   158.72
2026.10    0.066   157.36
2026.20    0.066   156.00
2026.30    0.066   154.64
2026.40    0.065   153.27
2026.50    0.065   151.89
2026.60    0.065   150.49
2026.70    0.064   149.08
2026.80    0.063   147.63
2026.90    0.063   146.16
2027.00    0.062   144.65
2027.10    0.061   143.09
2027.20    0.060   141.48
2027.30    0.059   139.82
2027.40    0.057   138.08
2027.50    0.056   136.26
2027.60    0.055   134.34
2027.70    0.053   132.31
2027.80    0.051   130.16
2027.90    0.050   127.85
2028.00    0.048   125.36
2028.10    0.046   122.66
2028.20    0.044   119.72
2028.30    0.042   116.49
2028.40    0.039   112.91
2028.50    0.037   108.92
2028.60    0.035   104.46
2028.70    0.033    99.45
2028.80    0.031    93.81
2028.90    0.030    87.48
2029.00    0.028    80.43
2029.10    0.027    72.69
2029.20    0.026    64.38
2029.30    0.026    55.69
2029.40    0.026    46.92
2029.50    0.026    38.36
2029.60    0.027    30.26
2029.70    0.029    22.78
2029.80    0.030    16.01
2029.90    0.032     9.93
2030.00    0.034     4.50
2030.10    0.036   359.64
2030.20    0.038   355.28
2030.30    0.040   351.34
2030.40    0.041   347.76
2030.50    0.043   344.49
2030.60    0.045   341.46
2030.70    0.046   338.64
2030.80    0.048   336.00
2030.90    0.049   333.50
2031.00    0.050   331.12
2031.10    0.051   328.84
2031.20    0.052   326.64

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 17:46:04