Double Star Calculator - Orbit

Orbital Elements for HDS1839
WDS: HDS1839 WDS ID/Discoverer
P: 17.440 Orbital period (years)
a: 0.2007 Semi-major axis (arcseconds)
i: 120.5 Inclination (degrees)
Ω: 349.2 Longitude of ascending node (degrees)
T: 2014.110 Epoch of periastron passage (year)
e: 0.168 Eccentricity
ω: 320.5 Longitude of periastron (degrees)
Start-Year: 2016.28 Year
End-Year: 2033.72 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HDS1839
Position: 130802.87-771835.3 Epoch-2000 right ascension and declination
WDS-ID: 13081-7719 WDS designation
Discoverer Code: HDS1839 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 113693 HD catalog number
Hipparcos number: 64091 Hipparcos catalog number
V1: 9.03 Magnitude of the primary
V2: 11.30 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2016e Reference

Double Star Orbit for HDS1839



WDS 6th Orbit including measures of HDS1839

-- 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 HDS1839
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.206   159.40
--------------------------
2016.28    0.171   338.17
2016.38    0.170   336.74
2016.48    0.169   335.30
2016.58    0.167   333.82
2016.68    0.166   332.32
2016.78    0.164   330.79
2016.88    0.162   329.22
2016.98    0.160   327.60
2017.08    0.157   325.95
2017.18    0.155   324.24
2017.28    0.152   322.48
2017.38    0.150   320.66
2017.48    0.147   318.78
2017.58    0.145   316.83
2017.68    0.142   314.80
2017.78    0.139   312.70
2017.88    0.137   310.51
2017.98    0.134   308.24
2018.08    0.131   305.87
2018.18    0.129   303.41
2018.28    0.126   300.85
2018.38    0.124   298.20
2018.48    0.122   295.44
2018.58    0.120   292.58
2018.68    0.118   289.63
2018.78    0.116   286.58
2018.88    0.114   283.44
2018.98    0.113   280.23
2019.08    0.112   276.95
2019.18    0.111   273.61
2019.28    0.111   270.23
2019.38    0.110   266.83
2019.48    0.110   263.42
2019.58    0.111   260.01
2019.68    0.111   256.64
2019.78    0.112   253.30
2019.88    0.113   250.02
2019.98    0.115   246.81
2020.08    0.116   243.68
2020.18    0.118   240.64
2020.28    0.120   237.70
2020.38    0.122   234.86
2020.48    0.125   232.12
2020.58    0.127   229.50
2020.68    0.130   226.97
2020.78    0.133   224.56
2020.88    0.136   222.24
2020.98    0.139   220.03
2021.08    0.142   217.90
2021.18    0.145   215.88
2021.28    0.148   213.93
2021.38    0.151   212.08
2021.48    0.155   210.30
2021.58    0.158   208.59
2021.68    0.161   206.95
2021.78    0.164   205.38
2021.88    0.168   203.87
2021.98    0.171   202.42
2022.08    0.174   201.02
2022.18    0.177   199.67
2022.28    0.180   198.36
2022.38    0.183   197.11
2022.48    0.186   195.89
2022.58    0.189   194.71
2022.68    0.192   193.56
2022.78    0.195   192.45
2022.88    0.197   191.37
2022.98    0.200   190.31
2023.08    0.202   189.28
2023.18    0.205   188.28
2023.28    0.207   187.30
2023.38    0.209   186.34
2023.48    0.211   185.40
2023.58    0.213   184.48
2023.68    0.215   183.57
2023.78    0.217   182.67
2023.88    0.218   181.79
2023.98    0.220   180.93
2024.08    0.221   180.07
2024.18    0.222   179.22
2024.28    0.223   178.38
2024.38    0.224   177.55
2024.48    0.225   176.72
2024.58    0.225   175.90
2024.68    0.226   175.08
2024.78    0.226   174.26
2024.88    0.226   173.45
2024.98    0.226   172.63
2025.08    0.226   171.82
2025.18    0.225   171.00
2025.28    0.225   170.18
2025.38    0.224   169.36
2025.48    0.223   168.52
2025.58    0.222   167.69
2025.68    0.221   166.84
2025.78    0.220   165.99
2025.88    0.218   165.12
2025.98    0.217   164.24
2026.08    0.215   163.35
2026.18    0.213   162.44
2026.28    0.211   161.51
2026.38    0.209   160.57
2026.48    0.206   159.60
2026.58    0.203   158.61
2026.68    0.201   157.59
2026.78    0.198   156.54
2026.88    0.195   155.46
2026.98    0.191   154.34
2027.08    0.188   153.18
2027.18    0.184   151.98
2027.28    0.181   150.74
2027.38    0.177   149.44
2027.48    0.173   148.08
2027.58    0.169   146.65
2027.68    0.165   145.16
2027.78    0.161   143.59
2027.88    0.156   141.93
2027.98    0.152   140.18
2028.08    0.147   138.32
2028.18    0.143   136.35
2028.28    0.138   134.24
2028.38    0.134   132.00
2028.48    0.129   129.59
2028.58    0.125   127.02
2028.68    0.120   124.25
2028.78    0.116   121.28
2028.88    0.112   118.09
2028.98    0.108   114.66
2029.08    0.104   110.97
2029.18    0.101   107.03
2029.28    0.098   102.83
2029.38    0.095    98.38
2029.48    0.093    93.68
2029.58    0.091    88.78
2029.68    0.090    83.72
2029.78    0.089    78.55
2029.88    0.089    73.33
2029.98    0.090    68.12
2030.08    0.091    63.00
2030.18    0.092    58.02
2030.28    0.094    53.23
2030.38    0.097    48.65
2030.48    0.099    44.32
2030.58    0.103    40.24
2030.68    0.106    36.41
2030.78    0.110    32.83
2030.88    0.113    29.48
2030.98    0.117    26.36
2031.08    0.121    23.43
2031.18    0.125    20.69
2031.28    0.129    18.12
2031.38    0.133    15.70
2031.48    0.137    13.43
2031.58    0.141    11.27
2031.68    0.144     9.22
2031.78    0.148     7.28
2031.88    0.151     5.42
2031.98    0.154     3.63
2032.08    0.157     1.92
2032.18    0.160     0.26
2032.28    0.162   358.66
2032.38    0.165   357.11
2032.48    0.167   355.59
2032.58    0.168   354.11
2032.68    0.170   352.66
2032.78    0.171   351.23
2032.88    0.172   349.82
2032.98    0.173   348.43
2033.08    0.174   347.04
2033.18    0.174   345.66
2033.28    0.174   344.29
2033.38    0.174   342.91
2033.48    0.173   341.53
2033.58    0.173   340.14
2033.68    0.172   338.74



 

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 16:52:46


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