Double Star Calculator - Orbit

Orbital Elements for HDS2932
WDS: HDS2932 WDS ID/Discoverer
P: 27.030 Orbital period (years)
a: 0.1149 Semi-major axis (arcseconds)
i: 70.5 Inclination (degrees)
Ω: 137.2 Longitude of ascending node (degrees)
T: 2011.670 Epoch of periastron passage (year)
e: 0.577 Eccentricity
ω: 34.3 Longitude of periastron (degrees)
Start-Year: 2011.485 Year
End-Year: 2038.515 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HDS2932
Position: 203033.47+134902.4 Epoch-2000 right ascension and declination
WDS-ID: 20306+1349 WDS designation
Discoverer Code: HDS2932 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 195397 HD catalog number
Hipparcos number: 101181 Hipparcos catalog number
V1: 8.61 Magnitude of the primary
V2: 9.23 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: Flags
Ephemerides: Ephemerides
Code: Tok2024e Reference

Double Star Orbit for HDS2932



WDS 6th Orbit including measures of HDS2932

-- 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 HDS2932
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.143   332.89
--------------------------
2011.48    0.045   145.31
2011.58    0.043   147.74
2011.68    0.041   150.46
2011.78    0.038   153.53
2011.88    0.035   157.08
2011.98    0.033   161.24
2012.08    0.030   166.22
2012.18    0.027   172.24
2012.28    0.024   179.62
2012.38    0.022   188.63
2012.48    0.020   199.41
2012.58    0.019   211.71
2012.68    0.019   224.71
2012.78    0.020   237.26
2012.88    0.022   248.43
2012.98    0.024   257.81
2013.08    0.026   265.46
2013.18    0.029   271.65
2013.28    0.032   276.69
2013.38    0.036   280.82
2013.48    0.039   284.25
2013.58    0.042   287.15
2013.68    0.046   289.62
2013.78    0.049   291.75
2013.88    0.052   293.61
2013.98    0.056   295.25
2014.08    0.059   296.71
2014.18    0.062   298.02
2014.28    0.065   299.20
2014.38    0.068   300.28
2014.48    0.071   301.26
2014.58    0.074   302.17
2014.68    0.077   303.00
2014.78    0.080   303.78
2014.88    0.083   304.50
2014.98    0.085   305.18
2015.08    0.088   305.82
2015.18    0.091   306.42
2015.28    0.093   306.98
2015.38    0.096   307.52
2015.48    0.098   308.03
2015.58    0.100   308.52
2015.68    0.103   308.98
2015.78    0.105   309.43
2015.88    0.107   309.85
2015.98    0.109   310.26
2016.08    0.111   310.66
2016.18    0.113   311.03
2016.28    0.115   311.40
2016.38    0.117   311.75
2016.48    0.119   312.10
2016.58    0.121   312.43
2016.68    0.123   312.75
2016.78    0.125   313.07
2016.88    0.126   313.37
2016.98    0.128   313.67
2017.08    0.129   313.96
2017.18    0.131   314.24
2017.28    0.133   314.51
2017.38    0.134   314.78
2017.48    0.135   315.05
2017.58    0.137   315.31
2017.68    0.138   315.56
2017.78    0.139   315.81
2017.88    0.141   316.05
2017.98    0.142   316.29
2018.08    0.143   316.53
2018.18    0.144   316.76
2018.28    0.145   316.99
2018.38    0.147   317.21
2018.48    0.148   317.44
2018.58    0.149   317.65
2018.68    0.150   317.87
2018.78    0.150   318.08
2018.88    0.151   318.29
2018.98    0.152   318.50
2019.08    0.153   318.71
2019.18    0.154   318.91
2019.28    0.155   319.11
2019.38    0.155   319.31
2019.48    0.156   319.51
2019.58    0.157   319.71
2019.68    0.157   319.90
2019.78    0.158   320.09
2019.88    0.159   320.28
2019.98    0.159   320.47
2020.08    0.160   320.66
2020.18    0.160   320.85
2020.28    0.161   321.03
2020.38    0.161   321.22
2020.48    0.162   321.40
2020.58    0.162   321.59
2020.68    0.162   321.77
2020.78    0.163   321.95
2020.88    0.163   322.13
2020.98    0.163   322.31
2021.08    0.163   322.49
2021.18    0.164   322.67
2021.28    0.164   322.85
2021.38    0.164   323.03
2021.48    0.164   323.21
2021.58    0.164   323.38
2021.68    0.164   323.56
2021.78    0.164   323.74
2021.88    0.165   323.92
2021.98    0.165   324.09
2022.08    0.165   324.27
2022.18    0.165   324.45
2022.28    0.164   324.62
2022.38    0.164   324.80
2022.48    0.164   324.98
2022.58    0.164   325.16
2022.68    0.164   325.33
2022.78    0.164   325.51
2022.88    0.164   325.69
2022.98    0.163   325.87
2023.08    0.163   326.05
2023.18    0.163   326.23
2023.28    0.163   326.41
2023.38    0.162   326.59
2023.48    0.162   326.77
2023.58    0.162   326.96
2023.68    0.161   327.14
2023.78    0.161   327.32
2023.88    0.161   327.51
2023.98    0.160   327.70
2024.08    0.160   327.88
2024.18    0.159   328.07
2024.28    0.159   328.26
2024.38    0.158   328.45
2024.48    0.158   328.64
2024.58    0.157   328.84
2024.68    0.157   329.03
2024.78    0.156   329.23
2024.88    0.155   329.43
2024.98    0.155   329.62
2025.08    0.154   329.83
2025.18    0.154   330.03
2025.28    0.153   330.23
2025.38    0.152   330.44
2025.48    0.151   330.65
2025.58    0.151   330.86
2025.68    0.150   331.07
2025.78    0.149   331.28
2025.88    0.148   331.50
2025.98    0.148   331.72
2026.08    0.147   331.94
2026.18    0.146   332.16
2026.28    0.145   332.39
2026.38    0.144   332.62
2026.48    0.143   332.85
2026.58    0.142   333.09
2026.68    0.141   333.33
2026.78    0.140   333.57
2026.88    0.139   333.81
2026.98    0.138   334.06
2027.08    0.137   334.32
2027.18    0.136   334.57
2027.28    0.135   334.83
2027.38    0.134   335.10
2027.48    0.133   335.36
2027.58    0.132   335.64
2027.68    0.131   335.91
2027.78    0.130   336.20
2027.88    0.129   336.48
2027.98    0.127   336.78
2028.08    0.126   337.07
2028.18    0.125   337.38
2028.28    0.124   337.69
2028.38    0.123   338.00
2028.48    0.121   338.32
2028.58    0.120   338.65
2028.68    0.119   338.99
2028.78    0.118   339.33
2028.88    0.116   339.68
2028.98    0.115   340.04
2029.08    0.114   340.40
2029.18    0.112   340.78
2029.28    0.111   341.16
2029.38    0.110   341.56
2029.48    0.108   341.96
2029.58    0.107   342.38
2029.68    0.105   342.80
2029.78    0.104   343.24
2029.88    0.103   343.69
2029.98    0.101   344.15
2030.08    0.100   344.62
2030.18    0.098   345.11
2030.28    0.097   345.62
2030.38    0.095   346.14
2030.48    0.094   346.68
2030.58    0.092   347.23
2030.68    0.091   347.80
2030.78    0.089   348.40
2030.88    0.088   349.01
2030.98    0.086   349.64
2031.08    0.085   350.30
2031.18    0.083   350.99
2031.28    0.081   351.70
2031.38    0.080   352.44
2031.48    0.078   353.20
2031.58    0.077   354.00
2031.68    0.075   354.84
2031.78    0.073   355.70
2031.88    0.072   356.61
2031.98    0.070   357.56
2032.08    0.069   358.55
2032.18    0.067   359.59
2032.28    0.066     0.68
2032.38    0.064     1.83
2032.48    0.062     3.03
2032.58    0.061     4.29
2032.68    0.059     5.62
2032.78    0.058     7.01
2032.88    0.056     8.49
2032.98    0.055    10.04
2033.08    0.053    11.68
2033.18    0.052    13.41
2033.28    0.051    15.24
2033.38    0.049    17.17
2033.48    0.048    19.21
2033.58    0.047    21.37
2033.68    0.045    23.64
2033.78    0.044    26.04
2033.88    0.043    28.56
2033.98    0.042    31.22
2034.08    0.041    34.00
2034.18    0.040    36.91
2034.28    0.039    39.95
2034.38    0.039    43.10
2034.48    0.038    46.36
2034.58    0.038    49.72
2034.68    0.037    53.16
2034.78    0.037    56.65
2034.88    0.037    60.19
2034.98    0.037    63.75
2035.08    0.037    67.30
2035.18    0.037    70.82
2035.28    0.037    74.30
2035.38    0.038    77.71
2035.48    0.038    81.04
2035.58    0.039    84.28
2035.68    0.039    87.41
2035.78    0.040    90.42
2035.88    0.041    93.32
2035.98    0.042    96.11
2036.08    0.043    98.77
2036.18    0.044   101.33
2036.28    0.045   103.77
2036.38    0.046   106.10
2036.48    0.047   108.34
2036.58    0.048   110.48
2036.68    0.049   112.54
2036.78    0.050   114.52
2036.88    0.051   116.43
2036.98    0.051   118.27
2037.08    0.052   120.06
2037.18    0.053   121.80
2037.28    0.053   123.50
2037.38    0.054   125.16
2037.48    0.054   126.81
2037.58    0.054   128.44
2037.68    0.054   130.06
2037.78    0.054   131.69
2037.88    0.054   133.34
2037.98    0.053   135.02
2038.08    0.052   136.76
2038.18    0.051   138.55
2038.28    0.050   140.45
2038.38    0.048   142.45
2038.48    0.046   144.62



 

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 18:15:38


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