Double Star Calculator - Orbit

Orbital Elements for WRH39AA,AB
WDS: WRH39AA,AB WDS ID/Discoverer
P: 29.416 Orbital period (years)
a: 0.12955 Semi-major axis (arcseconds)
i: 127.57 Inclination (degrees)
Ω: 201.28 Longitude of ascending node (degrees)
T: 2016.831 Epoch of periastron passage (year)
e: 0.6354 Eccentricity
ω: 124.54 Longitude of periastron (degrees)
Start-Year: 2010.292 Year
End-Year: 2039.708 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for WRH39AA,AB
Position: 023149.09+891550.7 Epoch-2000 right ascension and declination
WDS-ID: 02318+8916 WDS designation
Discoverer Code: WRH39AA,AB Discover designation and components
ADS number: 1477 Aitken Double Star catalog
HD number: 8890 HD catalog number
Hipparcos number: 11767 Hipparcos catalog number
V1: 2.3 Magnitude of the primary
V2: 4.3 Magnitude of the secondary
Equinox: Equinox
Date: 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: CIA2024c Reference

Double Star Orbit for WRH39AA,AB



WDS 6th Orbit including measures of WRH39AA,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 WRH39AA,AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.125   266.62
--------------------------
2010.29    0.156   214.46
2010.39    0.155   214.06
2010.49    0.154   213.66
2010.59    0.153   213.24
2010.69    0.152   212.83
2010.79    0.151   212.41
2010.89    0.150   211.98
2010.99    0.149   211.54
2011.09    0.148   211.10
2011.19    0.147   210.66
2011.29    0.145   210.20
2011.39    0.144   209.74
2011.49    0.143   209.28
2011.59    0.142   208.80
2011.69    0.140   208.31
2011.79    0.139   207.82
2011.89    0.138   207.31
2011.99    0.136   206.80
2012.09    0.135   206.27
2012.19    0.133   205.73
2012.29    0.132   205.18
2012.39    0.130   204.62
2012.49    0.129   204.04
2012.59    0.127   203.45
2012.69    0.125   202.84
2012.79    0.123   202.22
2012.89    0.122   201.57
2012.99    0.120   200.91
2013.09    0.118   200.22
2013.19    0.116   199.51
2013.29    0.114   198.78
2013.39    0.112   198.02
2013.49    0.109   197.23
2013.59    0.107   196.40
2013.69    0.105   195.54
2013.79    0.103   194.65
2013.89    0.100   193.71
2013.99    0.098   192.72
2014.09    0.095   191.68
2014.19    0.093   190.59
2014.29    0.090   189.42
2014.39    0.087   188.19
2014.49    0.084   186.88
2014.59    0.081   185.47
2014.69    0.079   183.96
2014.79    0.075   182.33
2014.89    0.072   180.56
2014.99    0.069   178.63
2015.09    0.066   176.51
2015.19    0.063   174.17
2015.29    0.059   171.56
2015.39    0.056   168.65
2015.49    0.053   165.36
2015.59    0.049   161.62
2015.69    0.046   157.34
2015.79    0.043   152.40
2015.89    0.040   146.69
2015.99    0.037   140.07
2016.09    0.034   132.44
2016.19    0.033   123.78
2016.29    0.031   114.21
2016.39    0.031   104.01
2016.49    0.031    93.65
2016.59    0.031    83.60
2016.69    0.033    74.26
2016.79    0.035    65.84
2016.89    0.037    58.38
2016.99    0.040    51.83
2017.09    0.042    46.08
2017.19    0.045    40.99
2017.29    0.047    36.45
2017.39    0.050    32.36
2017.49    0.052    28.64
2017.59    0.054    25.23
2017.69    0.056    22.07
2017.79    0.058    19.11
2017.89    0.060    16.33
2017.99    0.061    13.70
2018.09    0.063    11.19
2018.19    0.064     8.79
2018.29    0.065     6.48
2018.39    0.066     4.25
2018.49    0.067     2.10
2018.59    0.068   360.00
2018.69    0.069   357.96
2018.79    0.070   355.96
2018.89    0.071   354.01
2018.99    0.072   352.10
2019.09    0.072   350.23
2019.19    0.073   348.39
2019.29    0.073   346.59
2019.39    0.074   344.81
2019.49    0.075   343.06
2019.59    0.075   341.33
2019.69    0.076   339.63
2019.79    0.076   337.96
2019.89    0.077   336.31
2019.99    0.077   334.68
2020.09    0.078   333.07
2020.19    0.078   331.48
2020.29    0.079   329.92
2020.39    0.079   328.37
2020.49    0.080   326.85
2020.59    0.080   325.34
2020.69    0.081   323.86
2020.79    0.082   322.40
2020.89    0.082   320.95
2020.99    0.083   319.53
2021.09    0.083   318.12
2021.19    0.084   316.73
2021.29    0.084   315.37
2021.39    0.085   314.02
2021.49    0.086   312.69
2021.59    0.086   311.38
2021.69    0.087   310.09
2021.79    0.088   308.82
2021.89    0.088   307.56
2021.99    0.089   306.33
2022.09    0.090   305.11
2022.19    0.090   303.91
2022.29    0.091   302.73
2022.39    0.092   301.57
2022.49    0.092   300.43
2022.59    0.093   299.30
2022.69    0.094   298.19
2022.79    0.095   297.10
2022.89    0.095   296.03
2022.99    0.096   294.97
2023.09    0.097   293.93
2023.19    0.098   292.91
2023.29    0.098   291.90
2023.39    0.099   290.91
2023.49    0.100   289.93
2023.59    0.101   288.97
2023.69    0.102   288.02
2023.79    0.102   287.09
2023.89    0.103   286.18
2023.99    0.104   285.27
2024.09    0.105   284.39
2024.19    0.106   283.51
2024.29    0.106   282.65
2024.39    0.107   281.81
2024.49    0.108   280.97
2024.59    0.109   280.15
2024.69    0.110   279.34
2024.79    0.111   278.55
2024.89    0.111   277.76
2024.99    0.112   276.99
2025.09    0.113   276.23
2025.19    0.114   275.48
2025.29    0.115   274.74
2025.39    0.116   274.02
2025.49    0.117   273.30
2025.59    0.117   272.59
2025.69    0.118   271.90
2025.79    0.119   271.21
2025.89    0.120   270.53
2025.99    0.121   269.87
2026.09    0.122   269.21
2026.19    0.123   268.56
2026.29    0.123   267.92
2026.39    0.124   267.29
2026.49    0.125   266.67
2026.59    0.126   266.05
2026.69    0.127   265.45
2026.79    0.128   264.85
2026.89    0.128   264.26
2026.99    0.129   263.68
2027.09    0.130   263.10
2027.19    0.131   262.53
2027.29    0.132   261.97
2027.39    0.132   261.42
2027.49    0.133   260.87
2027.59    0.134   260.33
2027.69    0.135   259.79
2027.79    0.136   259.26
2027.89    0.136   258.74
2027.99    0.137   258.23
2028.09    0.138   257.71
2028.19    0.139   257.21
2028.29    0.140   256.71
2028.39    0.140   256.22
2028.49    0.141   255.73
2028.59    0.142   255.24
2028.69    0.143   254.77
2028.79    0.143   254.29
2028.89    0.144   253.82
2028.99    0.145   253.36
2029.09    0.145   252.90
2029.19    0.146   252.44
2029.29    0.147   251.99
2029.39    0.148   251.55
2029.49    0.148   251.11
2029.59    0.149   250.67
2029.69    0.150   250.23
2029.79    0.150   249.80
2029.89    0.151   249.38
2029.99    0.152   248.95
2030.09    0.152   248.53
2030.19    0.153   248.12
2030.29    0.153   247.71
2030.39    0.154   247.30
2030.49    0.155   246.89
2030.59    0.155   246.49
2030.69    0.156   246.09
2030.79    0.156   245.69
2030.89    0.157   245.30
2030.99    0.158   244.91
2031.09    0.158   244.52
2031.19    0.159   244.13
2031.29    0.159   243.75
2031.39    0.160   243.37
2031.49    0.160   242.99
2031.59    0.161   242.62
2031.69    0.161   242.24
2031.79    0.162   241.87
2031.89    0.162   241.50
2031.99    0.163   241.14
2032.09    0.163   240.77
2032.19    0.164   240.41
2032.29    0.164   240.05
2032.39    0.164   239.69
2032.49    0.165   239.34
2032.59    0.165   238.98
2032.69    0.166   238.63
2032.79    0.166   238.27
2032.89    0.166   237.92
2032.99    0.167   237.58
2033.09    0.167   237.23
2033.19    0.167   236.88
2033.29    0.168   236.54
2033.39    0.168   236.20
2033.49    0.168   235.85
2033.59    0.169   235.51
2033.69    0.169   235.17
2033.79    0.169   234.84
2033.89    0.169   234.50
2033.99    0.170   234.16
2034.09    0.170   233.83
2034.19    0.170   233.49
2034.29    0.170   233.16
2034.39    0.170   232.82
2034.49    0.171   232.49
2034.59    0.171   232.16
2034.69    0.171   231.83
2034.79    0.171   231.50
2034.89    0.171   231.17
2034.99    0.171   230.84
2035.09    0.171   230.51
2035.19    0.171   230.18
2035.29    0.171   229.85
2035.39    0.171   229.52
2035.49    0.172   229.19
2035.59    0.172   228.86
2035.69    0.172   228.53
2035.79    0.171   228.20
2035.89    0.171   227.88
2035.99    0.171   227.55
2036.09    0.171   227.22
2036.19    0.171   226.89
2036.29    0.171   226.56
2036.39    0.171   226.23
2036.49    0.171   225.90
2036.59    0.171   225.56
2036.69    0.171   225.23
2036.79    0.170   224.90
2036.89    0.170   224.57
2036.99    0.170   224.23
2037.09    0.170   223.89
2037.19    0.169   223.56
2037.29    0.169   223.22
2037.39    0.169   222.88
2037.49    0.168   222.54
2037.59    0.168   222.20
2037.69    0.168   221.86
2037.79    0.167   221.51
2037.89    0.167   221.17
2037.99    0.167   220.82
2038.09    0.166   220.47
2038.19    0.166   220.12
2038.29    0.165   219.76
2038.39    0.165   219.41
2038.49    0.164   219.05
2038.59    0.164   218.69
2038.69    0.163   218.33
2038.79    0.162   217.96
2038.89    0.162   217.59
2038.99    0.161   217.22
2039.09    0.160   216.85
2039.19    0.160   216.47
2039.29    0.159   216.09
2039.39    0.158   215.70
2039.49    0.157   215.32
2039.59    0.157   214.92
2039.69    0.156   214.53



 

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 15:01:14


www.stella-vega.de