Double Star Calculator - Orbit

Orbital Elements for RST3936AB
WDS: RST3936AB WDS ID/Discoverer
P: 35.000 Orbital period (years)
a: 0.173 Semi-major axis (arcseconds)
i: 109.7 Inclination (degrees)
Ω: 263.6 Longitude of ascending node (degrees)
T: 1999.920 Epoch of periastron passage (year)
e: 0.818 Eccentricity
ω: 160.6 Longitude of periastron (degrees)
Start-Year: 2007.5 Year
End-Year: 2042.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST3936AB
Position: 161416.53-102452.0 Epoch-2000 right ascension and declination
WDS-ID: 16143-1025 WDS designation
Discoverer Code: RST3936AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.2 Magnitude of the primary
V2: 8.4 Magnitude of the secondary
Equinox: Equinox
Date: 2018 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: Tok2019c Reference

Double Star Orbit for RST3936AB



WDS 6th Orbit including measures of RST3936AB

-- 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 RST3936AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.254   263.83
--------------------------
2007.50    0.191   279.68
2007.60    0.193   279.51
2007.70    0.195   279.36
2007.80    0.197   279.20
2007.90    0.199   279.05
2008.00    0.201   278.90
2008.10    0.202   278.75
2008.20    0.204   278.61
2008.30    0.206   278.47
2008.40    0.208   278.33
2008.50    0.210   278.19
2008.60    0.211   278.05
2008.70    0.213   277.92
2008.80    0.215   277.79
2008.90    0.217   277.66
2009.00    0.218   277.54
2009.10    0.220   277.41
2009.20    0.222   277.29
2009.30    0.223   277.17
2009.40    0.225   277.05
2009.50    0.226   276.93
2009.60    0.228   276.82
2009.70    0.230   276.70
2009.80    0.231   276.59
2009.90    0.233   276.48
2010.00    0.234   276.37
2010.10    0.236   276.26
2010.20    0.237   276.16
2010.30    0.238   276.05
2010.40    0.240   275.95
2010.50    0.241   275.84
2010.60    0.243   275.74
2010.70    0.244   275.64
2010.80    0.245   275.54
2010.90    0.247   275.44
2011.00    0.248   275.34
2011.10    0.249   275.25
2011.20    0.251   275.15
2011.30    0.252   275.06
2011.40    0.253   274.96
2011.50    0.254   274.87
2011.60    0.256   274.78
2011.70    0.257   274.69
2011.80    0.258   274.60
2011.90    0.259   274.51
2012.00    0.260   274.42
2012.10    0.261   274.33
2012.20    0.262   274.24
2012.30    0.264   274.16
2012.40    0.265   274.07
2012.50    0.266   273.99
2012.60    0.267   273.90
2012.70    0.268   273.82
2012.80    0.269   273.74
2012.90    0.270   273.66
2013.00    0.271   273.57
2013.10    0.272   273.49
2013.20    0.273   273.41
2013.30    0.274   273.33
2013.40    0.275   273.25
2013.50    0.276   273.17
2013.60    0.276   273.10
2013.70    0.277   273.02
2013.80    0.278   272.94
2013.90    0.279   272.86
2014.00    0.280   272.79
2014.10    0.281   272.71
2014.20    0.281   272.64
2014.30    0.282   272.56
2014.40    0.283   272.49
2014.50    0.284   272.41
2014.60    0.284   272.34
2014.70    0.285   272.26
2014.80    0.286   272.19
2014.90    0.287   272.12
2015.00    0.287   272.04
2015.10    0.288   271.97
2015.20    0.289   271.90
2015.30    0.289   271.83
2015.40    0.290   271.76
2015.50    0.290   271.69
2015.60    0.291   271.62
2015.70    0.291   271.55
2015.80    0.292   271.48
2015.90    0.293   271.41
2016.00    0.293   271.34
2016.10    0.294   271.27
2016.20    0.294   271.20
2016.30    0.295   271.13
2016.40    0.295   271.06
2016.50    0.295   270.99
2016.60    0.296   270.92
2016.70    0.296   270.86
2016.80    0.297   270.79
2016.90    0.297   270.72
2017.00    0.297   270.65
2017.10    0.298   270.58
2017.20    0.298   270.52
2017.30    0.298   270.45
2017.40    0.299   270.38
2017.50    0.299   270.32
2017.60    0.299   270.25
2017.70    0.299   270.18
2017.80    0.300   270.12
2017.90    0.300   270.05
2018.00    0.300   269.98
2018.10    0.300   269.92
2018.20    0.301   269.85
2018.30    0.301   269.79
2018.40    0.301   269.72
2018.50    0.301   269.65
2018.60    0.301   269.59
2018.70    0.301   269.52
2018.80    0.301   269.46
2018.90    0.301   269.39
2019.00    0.301   269.32
2019.10    0.301   269.26
2019.20    0.301   269.19
2019.30    0.301   269.13
2019.40    0.301   269.06
2019.50    0.301   269.00
2019.60    0.301   268.93
2019.70    0.301   268.86
2019.80    0.301   268.80
2019.90    0.301   268.73
2020.00    0.301   268.67
2020.10    0.301   268.60
2020.20    0.301   268.53
2020.30    0.300   268.47
2020.40    0.300   268.40
2020.50    0.300   268.34
2020.60    0.300   268.27
2020.70    0.300   268.20
2020.80    0.299   268.14
2020.90    0.299   268.07
2021.00    0.299   268.00
2021.10    0.299   267.94
2021.20    0.298   267.87
2021.30    0.298   267.80
2021.40    0.297   267.73
2021.50    0.297   267.67
2021.60    0.297   267.60
2021.70    0.296   267.53
2021.80    0.296   267.46
2021.90    0.295   267.40
2022.00    0.295   267.33
2022.10    0.295   267.26
2022.20    0.294   267.19
2022.30    0.294   267.12
2022.40    0.293   267.05
2022.50    0.292   266.98
2022.60    0.292   266.91
2022.70    0.291   266.84
2022.80    0.291   266.77
2022.90    0.290   266.70
2023.00    0.289   266.63
2023.10    0.289   266.56
2023.20    0.288   266.49
2023.30    0.287   266.41
2023.40    0.287   266.34
2023.50    0.286   266.27
2023.60    0.285   266.19
2023.70    0.284   266.12
2023.80    0.284   266.05
2023.90    0.283   265.97
2024.00    0.282   265.90
2024.10    0.281   265.82
2024.20    0.280   265.75
2024.30    0.279   265.67
2024.40    0.278   265.59
2024.50    0.278   265.52
2024.60    0.277   265.44
2024.70    0.276   265.36
2024.80    0.275   265.28
2024.90    0.274   265.20
2025.00    0.273   265.12
2025.10    0.271   265.04
2025.20    0.270   264.96
2025.30    0.269   264.88
2025.40    0.268   264.80
2025.50    0.267   264.71
2025.60    0.266   264.63
2025.70    0.265   264.54
2025.80    0.263   264.46
2025.90    0.262   264.37
2026.00    0.261   264.28
2026.10    0.260   264.20
2026.20    0.258   264.11
2026.30    0.257   264.02
2026.40    0.256   263.93
2026.50    0.254   263.83
2026.60    0.253   263.74
2026.70    0.251   263.65
2026.80    0.250   263.55
2026.90    0.248   263.46
2027.00    0.247   263.36
2027.10    0.245   263.26
2027.20    0.244   263.16
2027.30    0.242   263.06
2027.40    0.240   262.96
2027.50    0.239   262.85
2027.60    0.237   262.75
2027.70    0.235   262.64
2027.80    0.234   262.53
2027.90    0.232   262.42
2028.00    0.230   262.31
2028.10    0.228   262.20
2028.20    0.226   262.08
2028.30    0.225   261.96
2028.40    0.223   261.84
2028.50    0.221   261.72
2028.60    0.219   261.60
2028.70    0.217   261.47
2028.80    0.215   261.34
2028.90    0.212   261.21
2029.00    0.210   261.08
2029.10    0.208   260.94
2029.20    0.206   260.80
2029.30    0.204   260.66
2029.40    0.201   260.52
2029.50    0.199   260.37
2029.60    0.197   260.21
2029.70    0.194   260.06
2029.80    0.192   259.90
2029.90    0.189   259.73
2030.00    0.187   259.57
2030.10    0.184   259.39
2030.20    0.182   259.21
2030.30    0.179   259.03
2030.40    0.176   258.84
2030.50    0.174   258.65
2030.60    0.171   258.45
2030.70    0.168   258.24
2030.80    0.165   258.02
2030.90    0.162   257.80
2031.00    0.159   257.57
2031.10    0.156   257.33
2031.20    0.153   257.08
2031.30    0.150   256.82
2031.40    0.147   256.55
2031.50    0.143   256.26
2031.60    0.140   255.97
2031.70    0.137   255.65
2031.80    0.133   255.32
2031.90    0.129   254.98
2032.00    0.126   254.61
2032.10    0.122   254.22
2032.20    0.118   253.81
2032.30    0.114   253.37
2032.40    0.110   252.90
2032.50    0.106   252.39
2032.60    0.102   251.84
2032.70    0.098   251.25
2032.80    0.094   250.60
2032.90    0.089   249.89
2033.00    0.085   249.10
2033.10    0.080   248.22
2033.20    0.075   247.23
2033.30    0.070   246.11
2033.40    0.065   244.82
2033.50    0.060   243.31
2033.60    0.055   241.52
2033.70    0.050   239.34
2033.80    0.044   236.64
2033.90    0.039   233.17
2034.00    0.033   228.54
2034.10    0.028   222.06
2034.20    0.023   212.52
2034.30    0.018   197.82
2034.40    0.015   175.85
2034.50    0.015   149.19
2034.60    0.018   126.25
2034.70    0.022   110.38
2034.80    0.026    99.61
2034.90    0.029    91.73
2035.00    0.032    85.37
2035.10    0.033    79.73
2035.20    0.033    74.30
2035.30    0.032    68.75
2035.40    0.031    62.82
2035.50    0.029    56.31
2035.60    0.028    49.05
2035.70    0.026    40.96
2035.80    0.025    32.06
2035.90    0.025    22.55
2036.00    0.025    12.78
2036.10    0.025     3.20
2036.20    0.026   354.23
2036.30    0.028   346.13
2036.40    0.030   339.01
2036.50    0.032   332.85
2036.60    0.035   327.56
2036.70    0.038   323.03
2036.80    0.041   319.13
2036.90    0.044   315.76
2037.00    0.047   312.83
2037.10    0.050   310.27
2037.20    0.053   308.01
2037.30    0.056   306.00
2037.40    0.059   304.21
2037.50    0.063   302.60
2037.60    0.066   301.15
2037.70    0.069   299.83
2037.80    0.072   298.63
2037.90    0.075   297.52
2038.00    0.078   296.51
2038.10    0.081   295.57
2038.20    0.084   294.70
2038.30    0.087   293.89
2038.40    0.090   293.14
2038.50    0.093   292.43
2038.60    0.096   291.77
2038.70    0.099   291.14
2038.80    0.102   290.55
2038.90    0.105   290.00
2039.00    0.108   289.47
2039.10    0.111   288.97
2039.20    0.113   288.50
2039.30    0.116   288.04
2039.40    0.119   287.61
2039.50    0.122   287.20
2039.60    0.124   286.81
2039.70    0.127   286.43
2039.80    0.130   286.07
2039.90    0.132   285.72
2040.00    0.135   285.38
2040.10    0.137   285.06
2040.20    0.140   284.75
2040.30    0.142   284.45
2040.40    0.145   284.16
2040.50    0.147   283.88
2040.60    0.150   283.61
2040.70    0.152   283.35
2040.80    0.154   283.09
2040.90    0.157   282.85
2041.00    0.159   282.61
2041.10    0.161   282.38
2041.20    0.164   282.15
2041.30    0.166   281.93
2041.40    0.168   281.72
2041.50    0.170   281.51
2041.60    0.172   281.30
2041.70    0.175   281.11
2041.80    0.177   280.91
2041.90    0.179   280.72
2042.00    0.181   280.54
2042.10    0.183   280.36
2042.20    0.185   280.18
2042.30    0.187   280.01
2042.40    0.189   279.84






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 17:24:18



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