Double Star Calculator - Orbit

Orbital Elements for WCK1AA,AB

WDS:	WCK1AA,AB	WDS ID/Discoverer
P:	21.568	Orbital period (years)
a:	0.9985	Semi-major axis (arcseconds)
i:	110.671	Inclination (degrees)
Ω:	223.868	Longitude of ascending node (degrees)
T:	1997.224	Epoch of periastron passage (year)
e:	0.5885	Eccentricity
ω:	330.37	Longitude of periastron (degrees)
Start-Year:	2014.216	Year
End-Year:	2035.784	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WCK1AA,AB
Position:	010816.36+545512.7	Epoch-2000 right ascension and declination
WDS-ID:	01083+5455	WDS designation
Discoverer Code:	WCK1AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	6582	HD catalog number
Hipparcos number:	5336	Hipparcos catalog number
V1:	5.3	Magnitude of the primary
V2:	10.7	Magnitude of the secondary
Equinox:		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:	BdH2020	Reference

Double Star Orbit for WCK1AA,AB

WDS 6th Orbit including measures of WCK1AA,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 WCK1AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.091    64.45
--------------------------
2014.22    1.166    40.05
2014.32    1.149    39.70
2014.42    1.131    39.33
2014.52    1.113    38.95
2014.62    1.094    38.56
2014.72    1.075    38.16
2014.82    1.055    37.74
2014.92    1.035    37.31
2015.02    1.013    36.85
2015.12    0.992    36.38
2015.22    0.969    35.89
2015.32    0.946    35.37
2015.42    0.922    34.82
2015.52    0.898    34.25
2015.62    0.873    33.64
2015.72    0.847    33.00
2015.82    0.820    32.32
2015.92    0.793    31.59
2016.02    0.764    30.80
2016.12    0.736    29.96
2016.22    0.706    29.04
2016.32    0.675    28.05
2016.42    0.644    26.96
2016.52    0.612    25.75
2016.62    0.580    24.42
2016.72    0.546    22.92
2016.82    0.512    21.22
2016.92    0.478    19.28
2017.02    0.443    17.03
2017.12    0.407    14.40
2017.22    0.371    11.25
2017.32    0.336     7.45
2017.42    0.301     2.76
2017.52    0.268   356.87
2017.62    0.237   349.39
2017.72    0.210   339.84
2017.82    0.190   327.89
2017.92    0.178   313.75
2018.02    0.178   298.60
2018.12    0.188   284.21
2018.22    0.206   271.85
2018.32    0.231   261.86
2018.42    0.259   253.92
2018.52    0.289   247.57
2018.62    0.318   242.40
2018.72    0.345   238.07
2018.82    0.370   234.36
2018.92    0.392   231.09
2019.02    0.410   228.14
2019.12    0.425   225.42
2019.22    0.436   222.86
2019.32    0.443   220.40
2019.42    0.447   218.00
2019.52    0.448   215.63
2019.62    0.446   213.25
2019.72    0.442   210.85
2019.82    0.436   208.38
2019.92    0.428   205.83
2020.02    0.419   203.19
2020.12    0.409   200.42
2020.22    0.399   197.51
2020.32    0.388   194.44
2020.42    0.377   191.19
2020.52    0.366   187.75
2020.62    0.356   184.11
2020.72    0.346   180.25
2020.82    0.337   176.18
2020.92    0.330   171.90
2021.02    0.323   167.44
2021.12    0.318   162.81
2021.22    0.315   158.06
2021.32    0.313   153.24
2021.42    0.313   148.39
2021.52    0.315   143.57
2021.62    0.319   138.84
2021.72    0.324   134.24
2021.82    0.332   129.82
2021.92    0.340   125.61
2022.02    0.350   121.63
2022.12    0.362   117.88
2022.22    0.374   114.37
2022.32    0.388   111.10
2022.42    0.402   108.05
2022.52    0.417   105.23
2022.62    0.433   102.60
2022.72    0.450   100.16
2022.82    0.466    97.90
2022.92    0.484    95.79
2023.02    0.501    93.83
2023.12    0.519    92.01
2023.22    0.537    90.30
2023.32    0.555    88.71
2023.42    0.573    87.22
2023.52    0.592    85.82
2023.62    0.610    84.50
2023.72    0.628    83.26
2023.82    0.647    82.09
2023.92    0.665    80.99
2024.02    0.684    79.95
2024.12    0.702    78.96
2024.22    0.720    78.02
2024.32    0.738    77.12
2024.42    0.756    76.27
2024.52    0.774    75.46
2024.62    0.791    74.68
2024.72    0.809    73.94
2024.82    0.826    73.23
2024.92    0.844    72.55
2025.02    0.861    71.89
2025.12    0.878    71.27
2025.22    0.894    70.66
2025.32    0.911    70.08
2025.42    0.927    69.52
2025.52    0.943    68.97
2025.62    0.959    68.45
2025.72    0.975    67.94
2025.82    0.991    67.45
2025.92    1.006    66.97
2026.02    1.021    66.51
2026.12    1.036    66.06
2026.22    1.051    65.62
2026.32    1.065    65.20
2026.42    1.079    64.79
2026.52    1.093    64.38
2026.62    1.107    63.99
2026.72    1.121    63.61
2026.82    1.134    63.24
2026.92    1.147    62.87
2027.02    1.160    62.51
2027.12    1.173    62.16
2027.22    1.185    61.82
2027.32    1.198    61.49
2027.42    1.209    61.16
2027.52    1.221    60.84
2027.62    1.233    60.52
2027.72    1.244    60.21
2027.82    1.255    59.91
2027.92    1.266    59.61
2028.02    1.276    59.32
2028.12    1.286    59.03
2028.22    1.296    58.74
2028.32    1.306    58.46
2028.42    1.315    58.18
2028.52    1.325    57.91
2028.62    1.334    57.64
2028.72    1.342    57.38
2028.82    1.351    57.12
2028.92    1.359    56.86
2029.02    1.367    56.60
2029.12    1.375    56.35
2029.22    1.382    56.10
2029.32    1.389    55.85
2029.42    1.396    55.61
2029.52    1.402    55.36
2029.62    1.409    55.12
2029.72    1.415    54.89
2029.82    1.421    54.65
2029.92    1.426    54.41
2030.02    1.431    54.18
2030.12    1.436    53.95
2030.22    1.441    53.72
2030.32    1.445    53.49
2030.42    1.449    53.27
2030.52    1.453    53.04
2030.62    1.456    52.82
2030.72    1.460    52.59
2030.82    1.463    52.37
2030.92    1.465    52.15
2031.02    1.467    51.93
2031.12    1.470    51.71
2031.22    1.471    51.49
2031.32    1.473    51.27
2031.42    1.474    51.05
2031.52    1.474    50.83
2031.62    1.475    50.61
2031.72    1.475    50.39
2031.82    1.475    50.18
2031.92    1.474    49.96
2032.02    1.474    49.74
2032.12    1.472    49.52
2032.22    1.471    49.30
2032.32    1.469    49.08
2032.42    1.467    48.86
2032.52    1.464    48.64
2032.62    1.462    48.42
2032.72    1.458    48.20
2032.82    1.455    47.97
2032.92    1.451    47.75
2033.02    1.447    47.52
2033.12    1.442    47.29
2033.22    1.437    47.06
2033.32    1.432    46.83
2033.42    1.426    46.60
2033.52    1.420    46.37
2033.62    1.413    46.13
2033.72    1.406    45.89
2033.82    1.399    45.65
2033.92    1.391    45.40
2034.02    1.383    45.16
2034.12    1.375    44.91
2034.22    1.366    44.66
2034.32    1.357    44.40
2034.42    1.347    44.14
2034.52    1.337    43.88
2034.62    1.326    43.61
2034.72    1.315    43.34
2034.82    1.303    43.06
2034.92    1.291    42.78
2035.02    1.279    42.49
2035.12    1.266    42.19
2035.22    1.252    41.89
2035.32    1.238    41.59
2035.42    1.224    41.27
2035.52    1.209    40.95
2035.62    1.193    40.62
2035.72    1.177    40.29

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 14:47:43