Double Star Calculator - Orbit

Orbital Elements for HDS3083

WDS:	HDS3083	WDS ID/Discoverer
P:	12.750	Orbital period (years)
a:	0.2169	Semi-major axis (arcseconds)
i:	69.4	Inclination (degrees)
Ω:	149.8	Longitude of ascending node (degrees)
T:	2006.893	Epoch of periastron passage (year)
e:	0.294	Eccentricity
ω:	108.3	Longitude of periastron (degrees)
Start-Year:	2018.625	Year
End-Year:	2031.375	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3083
Position:	213954.37+273643.3	Epoch-2000 right ascension and declination
WDS-ID:	21399+2737	WDS designation
Discoverer Code:	HDS3083	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	106972	Hipparcos catalog number
V1:	11.95	Magnitude of the primary
V2:	13.22	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	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:	Bag2010	Reference

Double Star Orbit for HDS3083

WDS 6th Orbit including measures of HDS3083

-- 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 HDS3083

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.151   114.10
--------------------------
2018.62    0.105   177.81
2018.72    0.095   182.32
2018.82    0.085   187.89
2018.92    0.075   194.90
2019.02    0.067   203.79
2019.12    0.060   214.94
2019.22    0.056   228.36
2019.32    0.055   243.20
2019.42    0.057   257.83
2019.52    0.062   270.76
2019.62    0.069   281.36
2019.72    0.077   289.78
2019.82    0.087   296.45
2019.92    0.096   301.79
2020.02    0.106   306.15
2020.12    0.116   309.78
2020.22    0.125   312.86
2020.32    0.134   315.53
2020.42    0.142   317.88
2020.52    0.150   319.98
2020.62    0.157   321.89
2020.72    0.163   323.64
2020.82    0.168   325.27
2020.92    0.173   326.80
2021.02    0.177   328.25
2021.12    0.181   329.64
2021.22    0.184   330.98
2021.32    0.186   332.28
2021.42    0.188   333.56
2021.52    0.189   334.82
2021.62    0.189   336.07
2021.72    0.189   337.31
2021.82    0.189   338.56
2021.92    0.188   339.82
2022.02    0.186   341.09
2022.12    0.185   342.39
2022.22    0.182   343.72
2022.32    0.180   345.08
2022.42    0.177   346.48
2022.52    0.174   347.93
2022.62    0.171   349.43
2022.72    0.167   351.00
2022.82    0.163   352.64
2022.92    0.159   354.36
2023.02    0.155   356.17
2023.12    0.151   358.09
2023.22    0.146     0.11
2023.32    0.142     2.26
2023.42    0.138     4.54
2023.52    0.133     6.98
2023.62    0.129     9.58
2023.72    0.125    12.37
2023.82    0.120    15.34
2023.92    0.117    18.52
2024.02    0.113    21.92
2024.12    0.109    25.54
2024.22    0.106    29.39
2024.32    0.103    33.46
2024.42    0.101    37.73
2024.52    0.099    42.19
2024.62    0.098    46.80
2024.72    0.097    51.52
2024.82    0.097    56.29
2024.92    0.097    61.07
2025.02    0.098    65.81
2025.12    0.099    70.43
2025.22    0.101    74.92
2025.32    0.103    79.22
2025.42    0.106    83.32
2025.52    0.109    87.19
2025.62    0.112    90.84
2025.72    0.116    94.26
2025.82    0.120    97.45
2025.92    0.125   100.43
2026.02    0.129   103.22
2026.12    0.134   105.81
2026.22    0.138   108.23
2026.32    0.143   110.49
2026.42    0.148   112.60
2026.52    0.153   114.58
2026.62    0.157   116.44
2026.72    0.162   118.19
2026.82    0.167   119.84
2026.92    0.172   121.40
2027.02    0.176   122.88
2027.12    0.181   124.28
2027.22    0.185   125.61
2027.32    0.189   126.88
2027.42    0.194   128.10
2027.52    0.198   129.27
2027.62    0.201   130.39
2027.72    0.205   131.47
2027.82    0.208   132.52
2027.92    0.212   133.53
2028.02    0.215   134.52
2028.12    0.217   135.47
2028.22    0.220   136.41
2028.32    0.222   137.32
2028.42    0.224   138.22
2028.52    0.226   139.10
2028.62    0.227   139.97
2028.72    0.228   140.83
2028.82    0.229   141.69
2028.92    0.230   142.53
2029.02    0.230   143.38
2029.12    0.229   144.23
2029.22    0.229   145.08
2029.32    0.228   145.94
2029.42    0.226   146.81
2029.52    0.224   147.69
2029.62    0.222   148.58
2029.72    0.219   149.50
2029.82    0.216   150.44
2029.92    0.212   151.41
2030.02    0.208   152.42
2030.12    0.204   153.48
2030.22    0.198   154.58
2030.32    0.193   155.75
2030.42    0.187   156.99
2030.52    0.180   158.32
2030.62    0.173   159.76
2030.72    0.165   161.32
2030.82    0.157   163.04
2030.92    0.148   164.96
2031.02    0.139   167.13
2031.12    0.130   169.60
2031.22    0.120   172.48
2031.32    0.110   175.87

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 18:28:12