Double Star Calculator - Orbit

Orbital Elements for WRH12
WDS: WRH12 WDS ID/Discoverer
P: 36.000 Orbital period (years)
a: 0.192 Semi-major axis (arcseconds)
i: 119.1 Inclination (degrees)
Ω: 199.9 Longitude of ascending node (degrees)
T: 1960.810 Epoch of periastron passage (year)
e: 0.91 Eccentricity
ω: 14.7 Longitude of periastron (degrees)
Start-Year: 2007.0 Year
End-Year: 2043.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for WRH12
Position: 123451.12+223745.1 Epoch-2000 right ascension and declination
WDS-ID: 12349+2238 WDS designation
Discoverer Code: WRH12 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 109485 HD catalog number
Hipparcos number: 61394 Hipparcos catalog number
V1: 4.96 Magnitude of the primary
V2: 6.90 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2014b Reference

Double Star Orbit for WRH12



WDS 6th Orbit including measures of WRH12

-- 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 WRH12
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.228     3.31
--------------------------
2007.00    0.319    17.47
2007.10    0.321    17.39
2007.20    0.322    17.32
2007.30    0.323    17.25
2007.40    0.324    17.18
2007.50    0.325    17.11
2007.60    0.326    17.04
2007.70    0.327    16.97
2007.80    0.328    16.90
2007.90    0.329    16.83
2008.00    0.330    16.76
2008.10    0.331    16.69
2008.20    0.332    16.63
2008.30    0.333    16.56
2008.40    0.334    16.49
2008.50    0.335    16.43
2008.60    0.336    16.36
2008.70    0.337    16.29
2008.80    0.338    16.23
2008.90    0.338    16.16
2009.00    0.339    16.10
2009.10    0.340    16.04
2009.20    0.341    15.97
2009.30    0.341    15.91
2009.40    0.342    15.84
2009.50    0.343    15.78
2009.60    0.344    15.72
2009.70    0.344    15.65
2009.80    0.345    15.59
2009.90    0.346    15.53
2010.00    0.346    15.47
2010.10    0.347    15.41
2010.20    0.347    15.34
2010.30    0.348    15.28
2010.40    0.349    15.22
2010.50    0.349    15.16
2010.60    0.350    15.10
2010.70    0.350    15.04
2010.80    0.351    14.98
2010.90    0.351    14.92
2011.00    0.352    14.86
2011.10    0.352    14.80
2011.20    0.353    14.74
2011.30    0.353    14.68
2011.40    0.353    14.62
2011.50    0.354    14.56
2011.60    0.354    14.50
2011.70    0.354    14.44
2011.80    0.355    14.38
2011.90    0.355    14.32
2012.00    0.355    14.26
2012.10    0.356    14.20
2012.20    0.356    14.15
2012.30    0.356    14.09
2012.40    0.356    14.03
2012.50    0.357    13.97
2012.60    0.357    13.91
2012.70    0.357    13.85
2012.80    0.357    13.80
2012.90    0.357    13.74
2013.00    0.358    13.68
2013.10    0.358    13.62
2013.20    0.358    13.56
2013.30    0.358    13.50
2013.40    0.358    13.45
2013.50    0.358    13.39
2013.60    0.358    13.33
2013.70    0.358    13.27
2013.80    0.358    13.21
2013.90    0.358    13.16
2014.00    0.358    13.10
2014.10    0.358    13.04
2014.20    0.358    12.98
2014.30    0.358    12.93
2014.40    0.358    12.87
2014.50    0.358    12.81
2014.60    0.358    12.75
2014.70    0.358    12.69
2014.80    0.358    12.63
2014.90    0.357    12.58
2015.00    0.357    12.52
2015.10    0.357    12.46
2015.20    0.357    12.40
2015.30    0.357    12.34
2015.40    0.357    12.29
2015.50    0.356    12.23
2015.60    0.356    12.17
2015.70    0.356    12.11
2015.80    0.355    12.05
2015.90    0.355    11.99
2016.00    0.355    11.93
2016.10    0.355    11.87
2016.20    0.354    11.81
2016.30    0.354    11.76
2016.40    0.353    11.70
2016.50    0.353    11.64
2016.60    0.353    11.58
2016.70    0.352    11.52
2016.80    0.352    11.46
2016.90    0.351    11.40
2017.00    0.351    11.34
2017.10    0.350    11.28
2017.20    0.350    11.21
2017.30    0.349    11.15
2017.40    0.349    11.09
2017.50    0.348    11.03
2017.60    0.348    10.97
2017.70    0.347    10.91
2017.80    0.347    10.85
2017.90    0.346    10.79
2018.00    0.345    10.72
2018.10    0.345    10.66
2018.20    0.344    10.60
2018.30    0.343    10.54
2018.40    0.343    10.47
2018.50    0.342    10.41
2018.60    0.341    10.34
2018.70    0.341    10.28
2018.80    0.340    10.22
2018.90    0.339    10.15
2019.00    0.338    10.09
2019.10    0.337    10.02
2019.20    0.337     9.96
2019.30    0.336     9.89
2019.40    0.335     9.82
2019.50    0.334     9.76
2019.60    0.333     9.69
2019.70    0.332     9.62
2019.80    0.331     9.56
2019.90    0.331     9.49
2020.00    0.330     9.42
2020.10    0.329     9.35
2020.20    0.328     9.28
2020.30    0.327     9.21
2020.40    0.326     9.14
2020.50    0.325     9.07
2020.60    0.324     9.00
2020.70    0.323     8.93
2020.80    0.321     8.86
2020.90    0.320     8.79
2021.00    0.319     8.72
2021.10    0.318     8.64
2021.20    0.317     8.57
2021.30    0.316     8.49
2021.40    0.315     8.42
2021.50    0.313     8.34
2021.60    0.312     8.27
2021.70    0.311     8.19
2021.80    0.310     8.11
2021.90    0.308     8.04
2022.00    0.307     7.96
2022.10    0.306     7.88
2022.20    0.305     7.80
2022.30    0.303     7.72
2022.40    0.302     7.64
2022.50    0.300     7.56
2022.60    0.299     7.47
2022.70    0.298     7.39
2022.80    0.296     7.30
2022.90    0.295     7.22
2023.00    0.293     7.13
2023.10    0.292     7.05
2023.20    0.290     6.96
2023.30    0.289     6.87
2023.40    0.287     6.78
2023.50    0.286     6.69
2023.60    0.284     6.60
2023.70    0.282     6.51
2023.80    0.281     6.41
2023.90    0.279     6.32
2024.00    0.277     6.22
2024.10    0.276     6.12
2024.20    0.274     6.02
2024.30    0.272     5.93
2024.40    0.270     5.82
2024.50    0.269     5.72
2024.60    0.267     5.62
2024.70    0.265     5.51
2024.80    0.263     5.41
2024.90    0.261     5.30
2025.00    0.259     5.19
2025.10    0.257     5.08
2025.20    0.256     4.96
2025.30    0.254     4.85
2025.40    0.252     4.73
2025.50    0.250     4.62
2025.60    0.248     4.49
2025.70    0.245     4.37
2025.80    0.243     4.25
2025.90    0.241     4.12
2026.00    0.239     3.99
2026.10    0.237     3.86
2026.20    0.235     3.73
2026.30    0.233     3.59
2026.40    0.230     3.45
2026.50    0.228     3.31
2026.60    0.226     3.17
2026.70    0.223     3.02
2026.80    0.221     2.87
2026.90    0.219     2.72
2027.00    0.216     2.56
2027.10    0.214     2.40
2027.20    0.211     2.23
2027.30    0.209     2.06
2027.40    0.206     1.89
2027.50    0.204     1.71
2027.60    0.201     1.53
2027.70    0.198     1.35
2027.80    0.196     1.16
2027.90    0.193     0.96
2028.00    0.190     0.76
2028.10    0.188     0.55
2028.20    0.185     0.33
2028.30    0.182     0.11
2028.40    0.179   359.88
2028.50    0.176   359.65
2028.60    0.173   359.40
2028.70    0.170   359.15
2028.80    0.167   358.89
2028.90    0.164   358.62
2029.00    0.161   358.34
2029.10    0.158   358.04
2029.20    0.154   357.74
2029.30    0.151   357.42
2029.40    0.148   357.09
2029.50    0.144   356.74
2029.60    0.141   356.38
2029.70    0.138   355.99
2029.80    0.134   355.59
2029.90    0.130   355.16
2030.00    0.127   354.72
2030.10    0.123   354.24
2030.20    0.119   353.73
2030.30    0.116   353.20
2030.40    0.112   352.62
2030.50    0.108   352.00
2030.60    0.104   351.34
2030.70    0.100   350.62
2030.80    0.095   349.84
2030.90    0.091   348.98
2031.00    0.087   348.05
2031.10    0.082   347.01
2031.20    0.078   345.85
2031.30    0.073   344.55
2031.40    0.069   343.08
2031.50    0.064   341.39
2031.60    0.059   339.42
2031.70    0.054   337.10
2031.80    0.049   334.31
2031.90    0.044   330.87
2032.00    0.039   326.53
2032.10    0.034   320.88
2032.20    0.029   313.25
2032.30    0.024   302.58
2032.40    0.020   287.43
2032.50    0.018   266.79
2032.60    0.017   242.49
2032.70    0.018   218.63
2032.80    0.017   195.20
2032.90    0.013   163.27
2033.00    0.013   115.64
2033.10    0.018    81.02
2033.20    0.025    64.32
2033.30    0.033    55.36
2033.40    0.040    49.78
2033.50    0.048    45.94
2033.60    0.055    43.10
2033.70    0.061    40.89
2033.80    0.068    39.11
2033.90    0.074    37.63
2034.00    0.080    36.37
2034.10    0.086    35.29
2034.20    0.091    34.34
2034.30    0.097    33.49
2034.40    0.102    32.74
2034.50    0.107    32.06
2034.60    0.112    31.43
2034.70    0.117    30.86
2034.80    0.121    30.34
2034.90    0.126    29.85
2035.00    0.130    29.40
2035.10    0.135    28.98
2035.20    0.139    28.58
2035.30    0.143    28.20
2035.40    0.147    27.85
2035.50    0.151    27.52
2035.60    0.155    27.20
2035.70    0.159    26.90
2035.80    0.163    26.61
2035.90    0.166    26.33
2036.00    0.170    26.07
2036.10    0.173    25.82
2036.20    0.177    25.58
2036.30    0.180    25.34
2036.40    0.183    25.12
2036.50    0.187    24.90
2036.60    0.190    24.69
2036.70    0.193    24.49
2036.80    0.196    24.29
2036.90    0.199    24.10
2037.00    0.202    23.92
2037.10    0.205    23.74
2037.20    0.208    23.57
2037.30    0.211    23.40
2037.40    0.214    23.23
2037.50    0.217    23.07
2037.60    0.219    22.91
2037.70    0.222    22.76
2037.80    0.225    22.61
2037.90    0.227    22.47
2038.00    0.230    22.33
2038.10    0.232    22.19
2038.20    0.235    22.05
2038.30    0.237    21.92
2038.40    0.240    21.79
2038.50    0.242    21.66
2038.60    0.245    21.53
2038.70    0.247    21.41
2038.80    0.249    21.29
2038.90    0.251    21.17
2039.00    0.254    21.05
2039.10    0.256    20.94
2039.20    0.258    20.83
2039.30    0.260    20.72
2039.40    0.262    20.61
2039.50    0.264    20.50
2039.60    0.266    20.39
2039.70    0.268    20.29
2039.80    0.270    20.19
2039.90    0.272    20.09
2040.00    0.274    19.99
2040.10    0.276    19.89
2040.20    0.278    19.79
2040.30    0.279    19.69
2040.40    0.281    19.60
2040.50    0.283    19.51
2040.60    0.285    19.41
2040.70    0.286    19.32
2040.80    0.288    19.23
2040.90    0.290    19.14
2041.00    0.291    19.06
2041.10    0.293    18.97
2041.20    0.295    18.88
2041.30    0.296    18.80
2041.40    0.298    18.71
2041.50    0.299    18.63
2041.60    0.301    18.55
2041.70    0.302    18.47
2041.80    0.304    18.38
2041.90    0.305    18.30
2042.00    0.307    18.22
2042.10    0.308    18.15
2042.20    0.309    18.07
2042.30    0.311    17.99
2042.40    0.312    17.91
2042.50    0.313    17.84
2042.60    0.315    17.76
2042.70    0.316    17.69
2042.80    0.317    17.61
2042.90    0.318    17.54






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 16:47:48



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