Double Star Calculator - Orbit

Orbital Elements for HDS23DA,DB
WDS: HDS23DA,DB WDS ID/Discoverer
P: 25.912 Orbital period (years)
a: 0.1121 Semi-major axis (arcseconds)
i: 130.5 Inclination (degrees)
Ω: 119.0 Longitude of ascending node (degrees)
T: 2006.730 Epoch of periastron passage (year)
e: 0.811 Eccentricity
ω: 348.7 Longitude of periastron (degrees)
Start-Year: 2012.044 Year
End-Year: 2037.956 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS23DA,DB
Position: 001005.26+382453.6 Epoch-2000 right ascension and declination
WDS-ID: 00101+3825 WDS designation
Discoverer Code: HDS23DA,DB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 823 Hipparcos catalog number
V1: 11.42 Magnitude of the primary
V2: 12.85 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 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: Cve2017b Reference

Double Star Orbit for HDS23DA,DB



WDS 6th Orbit including measures of HDS23DA,DB

-- 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 HDS23DA,DB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.162   293.63
--------------------------
2012.04    0.137   322.86
2012.14    0.139   322.51
2012.24    0.140   322.17
2012.34    0.142   321.83
2012.44    0.143   321.51
2012.54    0.145   321.19
2012.64    0.147   320.88
2012.74    0.148   320.57
2012.84    0.150   320.27
2012.94    0.151   319.98
2013.04    0.152   319.69
2013.14    0.154   319.41
2013.24    0.155   319.13
2013.34    0.157   318.86
2013.44    0.158   318.59
2013.54    0.159   318.32
2013.64    0.161   318.06
2013.74    0.162   317.81
2013.84    0.163   317.56
2013.94    0.164   317.31
2014.04    0.165   317.07
2014.14    0.167   316.83
2014.24    0.168   316.59
2014.34    0.169   316.35
2014.44    0.170   316.12
2014.54    0.171   315.89
2014.64    0.172   315.67
2014.74    0.173   315.45
2014.84    0.174   315.23
2014.94    0.175   315.01
2015.04    0.176   314.80
2015.14    0.177   314.58
2015.24    0.178   314.37
2015.34    0.179   314.16
2015.44    0.180   313.96
2015.54    0.181   313.76
2015.64    0.182   313.55
2015.74    0.183   313.35
2015.84    0.183   313.16
2015.94    0.184   312.96
2016.04    0.185   312.76
2016.14    0.186   312.57
2016.24    0.186   312.38
2016.34    0.187   312.19
2016.44    0.188   312.00
2016.54    0.189   311.81
2016.64    0.189   311.63
2016.74    0.190   311.44
2016.84    0.191   311.26
2016.94    0.191   311.08
2017.04    0.192   310.90
2017.14    0.192   310.72
2017.24    0.193   310.54
2017.34    0.193   310.36
2017.44    0.194   310.18
2017.54    0.194   310.01
2017.64    0.195   309.83
2017.74    0.195   309.66
2017.84    0.196   309.49
2017.94    0.196   309.31
2018.04    0.197   309.14
2018.14    0.197   308.97
2018.24    0.197   308.80
2018.34    0.198   308.63
2018.44    0.198   308.46
2018.54    0.198   308.29
2018.64    0.199   308.12
2018.74    0.199   307.96
2018.84    0.199   307.79
2018.94    0.200   307.62
2019.04    0.200   307.46
2019.14    0.200   307.29
2019.24    0.200   307.12
2019.34    0.200   306.96
2019.44    0.200   306.79
2019.54    0.201   306.63
2019.64    0.201   306.46
2019.74    0.201   306.30
2019.84    0.201   306.13
2019.94    0.201   305.97
2020.04    0.201   305.81
2020.14    0.201   305.64
2020.24    0.201   305.48
2020.34    0.201   305.31
2020.44    0.201   305.15
2020.54    0.201   304.98
2020.64    0.201   304.82
2020.74    0.201   304.66
2020.84    0.201   304.49
2020.94    0.201   304.33
2021.04    0.200   304.16
2021.14    0.200   304.00
2021.24    0.200   303.83
2021.34    0.200   303.66
2021.44    0.200   303.50
2021.54    0.199   303.33
2021.64    0.199   303.16
2021.74    0.199   303.00
2021.84    0.199   302.83
2021.94    0.198   302.66
2022.04    0.198   302.49
2022.14    0.198   302.32
2022.24    0.197   302.15
2022.34    0.197   301.98
2022.44    0.196   301.81
2022.54    0.196   301.64
2022.64    0.196   301.46
2022.74    0.195   301.29
2022.84    0.195   301.12
2022.94    0.194   300.94
2023.04    0.194   300.76
2023.14    0.193   300.59
2023.24    0.192   300.41
2023.34    0.192   300.23
2023.44    0.191   300.05
2023.54    0.191   299.86
2023.64    0.190   299.68
2023.74    0.189   299.50
2023.84    0.189   299.31
2023.94    0.188   299.12
2024.04    0.187   298.94
2024.14    0.186   298.75
2024.24    0.186   298.55
2024.34    0.185   298.36
2024.44    0.184   298.17
2024.54    0.183   297.97
2024.64    0.182   297.77
2024.74    0.181   297.57
2024.84    0.180   297.37
2024.94    0.180   297.16
2025.04    0.179   296.96
2025.14    0.178   296.75
2025.24    0.177   296.53
2025.34    0.176   296.32
2025.44    0.175   296.10
2025.54    0.173   295.89
2025.64    0.172   295.66
2025.74    0.171   295.44
2025.84    0.170   295.21
2025.94    0.169   294.98
2026.04    0.168   294.75
2026.14    0.166   294.51
2026.24    0.165   294.27
2026.34    0.164   294.02
2026.44    0.163   293.77
2026.54    0.161   293.52
2026.64    0.160   293.26
2026.74    0.158   293.00
2026.84    0.157   292.73
2026.94    0.156   292.46
2027.04    0.154   292.19
2027.14    0.153   291.90
2027.24    0.151   291.62
2027.34    0.149   291.32
2027.44    0.148   291.02
2027.54    0.146   290.72
2027.64    0.145   290.40
2027.74    0.143   290.08
2027.84    0.141   289.75
2027.94    0.139   289.41
2028.04    0.138   289.07
2028.14    0.136   288.71
2028.24    0.134   288.35
2028.34    0.132   287.97
2028.44    0.130   287.58
2028.54    0.128   287.18
2028.64    0.126   286.77
2028.74    0.124   286.35
2028.84    0.122   285.90
2028.94    0.119   285.45
2029.04    0.117   284.98
2029.14    0.115   284.48
2029.24    0.113   283.97
2029.34    0.110   283.44
2029.44    0.108   282.88
2029.54    0.106   282.30
2029.64    0.103   281.69
2029.74    0.100   281.05
2029.84    0.098   280.37
2029.94    0.095   279.66
2030.04    0.092   278.91
2030.14    0.090   278.11
2030.24    0.087   277.25
2030.34    0.084   276.34
2030.44    0.081   275.37
2030.54    0.078   274.31
2030.64    0.075   273.17
2030.74    0.072   271.93
2030.84    0.068   270.58
2030.94    0.065   269.08
2031.04    0.062   267.42
2031.14    0.058   265.56
2031.24    0.054   263.46
2031.34    0.051   261.07
2031.44    0.047   258.29
2031.54    0.043   255.04
2031.64    0.039   251.16
2031.74    0.036   246.45
2031.84    0.032   240.62
2031.94    0.028   233.23
2032.04    0.025   223.75
2032.14    0.022   211.52
2032.24    0.020   196.18
2032.34    0.019   178.27
2032.44    0.019   159.57
2032.54    0.020   141.96
2032.64    0.021   126.09
2032.74    0.022   111.56
2032.84    0.022    97.73
2032.94    0.022    84.28
2033.04    0.023    71.27
2033.14    0.024    59.07
2033.24    0.025    48.00
2033.34    0.027    38.29
2033.44    0.029    29.94
2033.54    0.032    22.82
2033.64    0.035    16.77
2033.74    0.037    11.62
2033.84    0.040     7.19
2033.94    0.043     3.37
2034.04    0.046     0.03
2034.14    0.049   357.10
2034.24    0.052   354.50
2034.34    0.055   352.18
2034.44    0.058   350.10
2034.54    0.061   348.21
2034.64    0.064   346.49
2034.74    0.066   344.92
2034.84    0.069   343.48
2034.94    0.072   342.15
2035.04    0.075   340.91
2035.14    0.077   339.76
2035.24    0.080   338.69
2035.34    0.082   337.68
2035.44    0.085   336.73
2035.54    0.087   335.84
2035.64    0.090   335.00
2035.74    0.092   334.20
2035.84    0.095   333.44
2035.94    0.097   332.72
2036.04    0.099   332.03
2036.14    0.102   331.37
2036.24    0.104   330.74
2036.34    0.106   330.14
2036.44    0.108   329.56
2036.54    0.110   329.01
2036.64    0.112   328.47
2036.74    0.114   327.96
2036.84    0.116   327.46
2036.94    0.118   326.98
2037.04    0.120   326.52
2037.14    0.122   326.07
2037.24    0.124   325.63
2037.34    0.126   325.21
2037.44    0.128   324.80
2037.54    0.130   324.40
2037.64    0.132   324.01
2037.74    0.133   323.63
2037.84    0.135   323.26
2037.94    0.137   322.90






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 14:36:04



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