Double Star Calculator - Orbit

Orbital Elements for RST9004AB
WDS: RST9004AB WDS ID/Discoverer
P: 35.430 Orbital period (years)
a: 0.3074 Semi-major axis (arcseconds)
i: 27.5 Inclination (degrees)
Ω: 139.0 Longitude of ascending node (degrees)
T: 2009.860 Epoch of periastron passage (year)
e: 0.409 Eccentricity
ω: 350.1 Longitude of periastron (degrees)
Start-Year: 2007.285 Year
End-Year: 2042.715 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for RST9004AB
Position: 114438.59-492502.4 Epoch-2000 right ascension and declination
WDS-ID: 11446-4925 WDS designation
Discoverer Code: RST9004AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 102077 HD catalog number
Hipparcos number: 57269 Hipparcos catalog number
V1: 9.35 Magnitude of the primary
V2: 10.64 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: Tok2020e Reference

Double Star Orbit for RST9004AB



WDS 6th Orbit including measures of RST9004AB

-- 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 RST9004AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.429   305.69
--------------------------
2007.29    0.192    70.31
2007.38    0.191    72.42
2007.48    0.190    74.57
2007.58    0.188    76.75
2007.68    0.187    78.95
2007.78    0.186    81.18
2007.88    0.185    83.43
2007.98    0.184    85.71
2008.08    0.184    88.00
2008.18    0.183    90.31
2008.28    0.182    92.64
2008.38    0.182    94.99
2008.48    0.181    97.35
2008.58    0.181    99.72
2008.68    0.181   102.10
2008.78    0.180   104.48
2008.88    0.180   106.88
2008.98    0.180   109.27
2009.08    0.180   111.67
2009.18    0.180   114.07
2009.28    0.180   116.47
2009.38    0.180   118.87
2009.48    0.180   121.27
2009.58    0.180   123.66
2009.68    0.181   126.04
2009.78    0.181   128.42
2009.88    0.181   130.79
2009.98    0.182   133.16
2010.08    0.182   135.51
2010.18    0.182   137.85
2010.28    0.183   140.19
2010.38    0.183   142.51
2010.48    0.184   144.82
2010.58    0.184   147.12
2010.68    0.185   149.41
2010.78    0.185   151.68
2010.88    0.186   153.94
2010.98    0.186   156.18
2011.08    0.187   158.41
2011.18    0.188   160.63
2011.28    0.188   162.82
2011.38    0.189   165.00
2011.48    0.190   167.17
2011.58    0.191   169.31
2011.68    0.192   171.44
2011.78    0.193   173.54
2011.88    0.193   175.63
2011.98    0.194   177.70
2012.08    0.195   179.74
2012.18    0.197   181.77
2012.28    0.198   183.77
2012.38    0.199   185.75
2012.48    0.200   187.70
2012.58    0.201   189.63
2012.68    0.202   191.54
2012.78    0.204   193.42
2012.88    0.205   195.28
2012.98    0.207   197.11
2013.08    0.208   198.92
2013.18    0.210   200.70
2013.28    0.211   202.46
2013.38    0.213   204.19
2013.48    0.214   205.89
2013.58    0.216   207.57
2013.68    0.218   209.22
2013.78    0.220   210.85
2013.88    0.221   212.45
2013.98    0.223   214.02
2014.08    0.225   215.57
2014.18    0.227   217.09
2014.28    0.229   218.58
2014.38    0.231   220.06
2014.48    0.233   221.50
2014.58    0.235   222.92
2014.68    0.237   224.32
2014.78    0.239   225.69
2014.88    0.241   227.04
2014.98    0.243   228.37
2015.08    0.245   229.67
2015.18    0.247   230.95
2015.28    0.250   232.21
2015.38    0.252   233.44
2015.48    0.254   234.66
2015.58    0.256   235.85
2015.68    0.258   237.02
2015.78    0.261   238.18
2015.88    0.263   239.31
2015.98    0.265   240.43
2016.08    0.267   241.52
2016.18    0.270   242.60
2016.28    0.272   243.66
2016.38    0.274   244.70
2016.48    0.277   245.72
2016.58    0.279   246.73
2016.68    0.281   247.72
2016.78    0.283   248.70
2016.88    0.286   249.66
2016.98    0.288   250.60
2017.08    0.290   251.53
2017.18    0.292   252.45
2017.28    0.295   253.35
2017.38    0.297   254.24
2017.48    0.299   255.11
2017.58    0.302   255.97
2017.68    0.304   256.82
2017.78    0.306   257.66
2017.88    0.308   258.48
2017.98    0.310   259.29
2018.08    0.313   260.09
2018.18    0.315   260.88
2018.28    0.317   261.66
2018.38    0.319   262.43
2018.48    0.321   263.19
2018.58    0.323   263.94
2018.68    0.326   264.68
2018.78    0.328   265.40
2018.88    0.330   266.12
2018.98    0.332   266.83
2019.08    0.334   267.54
2019.18    0.336   268.23
2019.28    0.338   268.91
2019.38    0.340   269.59
2019.48    0.342   270.26
2019.58    0.344   270.92
2019.68    0.346   271.57
2019.78    0.348   272.22
2019.88    0.350   272.86
2019.98    0.352   273.49
2020.08    0.354   274.11
2020.18    0.355   274.73
2020.28    0.357   275.34
2020.38    0.359   275.95
2020.48    0.361   276.55
2020.58    0.363   277.14
2020.68    0.365   277.73
2020.78    0.366   278.31
2020.88    0.368   278.89
2020.98    0.370   279.46
2021.08    0.371   280.03
2021.18    0.373   280.59
2021.28    0.375   281.14
2021.38    0.376   281.69
2021.48    0.378   282.24
2021.58    0.380   282.78
2021.68    0.381   283.32
2021.78    0.383   283.85
2021.88    0.384   284.38
2021.98    0.386   284.90
2022.08    0.387   285.42
2022.18    0.389   285.94
2022.28    0.390   286.45
2022.38    0.392   286.96
2022.48    0.393   287.47
2022.58    0.394   287.97
2022.68    0.396   288.47
2022.78    0.397   288.96
2022.88    0.398   289.45
2022.98    0.399   289.94
2023.08    0.401   290.43
2023.18    0.402   290.91
2023.28    0.403   291.39
2023.38    0.404   291.87
2023.48    0.405   292.34
2023.58    0.407   292.81
2023.68    0.408   293.28
2023.78    0.409   293.75
2023.88    0.410   294.21
2023.98    0.411   294.67
2024.08    0.412   295.13
2024.18    0.413   295.59
2024.28    0.414   296.04
2024.38    0.415   296.50
2024.48    0.416   296.95
2024.58    0.417   297.39
2024.68    0.417   297.84
2024.78    0.418   298.29
2024.88    0.419   298.73
2024.98    0.420   299.17
2025.08    0.421   299.61
2025.18    0.421   300.05
2025.28    0.422   300.49
2025.38    0.423   300.92
2025.48    0.424   301.36
2025.58    0.424   301.79
2025.68    0.425   302.22
2025.78    0.425   302.65
2025.88    0.426   303.08
2025.98    0.427   303.51
2026.08    0.427   303.93
2026.18    0.428   304.36
2026.28    0.428   304.78
2026.38    0.428   305.21
2026.48    0.429   305.63
2026.58    0.429   306.05
2026.68    0.430   306.47
2026.78    0.430   306.89
2026.88    0.430   307.31
2026.98    0.431   307.73
2027.08    0.431   308.15
2027.18    0.431   308.57
2027.28    0.431   308.99
2027.38    0.431   309.41
2027.48    0.432   309.82
2027.58    0.432   310.24
2027.68    0.432   310.66
2027.78    0.432   311.08
2027.88    0.432   311.49
2027.98    0.432   311.91
2028.08    0.432   312.32
2028.18    0.432   312.74
2028.28    0.432   313.16
2028.38    0.432   313.57
2028.48    0.432   313.99
2028.58    0.432   314.41
2028.68    0.432   314.82
2028.78    0.431   315.24
2028.88    0.431   315.66
2028.98    0.431   316.08
2029.08    0.431   316.50
2029.18    0.430   316.91
2029.28    0.430   317.33
2029.38    0.430   317.75
2029.48    0.429   318.18
2029.58    0.429   318.60
2029.68    0.429   319.02
2029.78    0.428   319.44
2029.88    0.428   319.87
2029.98    0.427   320.29
2030.08    0.427   320.72
2030.18    0.426   321.15
2030.28    0.426   321.57
2030.38    0.425   322.00
2030.48    0.424   322.43
2030.58    0.424   322.87
2030.68    0.423   323.30
2030.78    0.422   323.73
2030.88    0.422   324.17
2030.98    0.421   324.61
2031.08    0.420   325.05
2031.18    0.419   325.49
2031.28    0.419   325.93
2031.38    0.418   326.38
2031.48    0.417   326.82
2031.58    0.416   327.27
2031.68    0.415   327.72
2031.78    0.414   328.17
2031.88    0.413   328.63
2031.98    0.412   329.08
2032.08    0.411   329.54
2032.18    0.410   330.01
2032.28    0.409   330.47
2032.38    0.408   330.94
2032.48    0.406   331.40
2032.58    0.405   331.88
2032.68    0.404   332.35
2032.78    0.403   332.83
2032.88    0.402   333.31
2032.98    0.400   333.79
2033.08    0.399   334.28
2033.18    0.398   334.77
2033.28    0.396   335.26
2033.38    0.395   335.76
2033.48    0.393   336.26
2033.58    0.392   336.76
2033.68    0.391   337.27
2033.78    0.389   337.78
2033.88    0.387   338.30
2033.98    0.386   338.82
2034.08    0.384   339.34
2034.18    0.383   339.87
2034.28    0.381   340.40
2034.38    0.379   340.94
2034.48    0.378   341.48
2034.58    0.376   342.03
2034.68    0.374   342.58
2034.78    0.373   343.14
2034.88    0.371   343.70
2034.98    0.369   344.27
2035.08    0.367   344.84
2035.18    0.365   345.42
2035.28    0.363   346.01
2035.38    0.361   346.60
2035.48    0.359   347.20
2035.58    0.357   347.80
2035.68    0.355   348.42
2035.78    0.353   349.03
2035.88    0.351   349.66
2035.98    0.349   350.29
2036.08    0.347   350.93
2036.18    0.345   351.58
2036.28    0.343   352.24
2036.38    0.341   352.90
2036.48    0.339   353.58
2036.58    0.336   354.26
2036.68    0.334   354.95
2036.78    0.332   355.65
2036.88    0.330   356.36
2036.98    0.327   357.08
2037.08    0.325   357.81
2037.18    0.323   358.56
2037.28    0.320   359.31
2037.38    0.318     0.07
2037.48    0.316     0.85
2037.58    0.313     1.63
2037.68    0.311     2.43
2037.78    0.308     3.24
2037.88    0.306     4.07
2037.98    0.303     4.91
2038.08    0.301     5.76
2038.18    0.298     6.63
2038.28    0.296     7.51
2038.38    0.293     8.40
2038.48    0.291     9.32
2038.58    0.288    10.24
2038.68    0.285    11.19
2038.78    0.283    12.15
2038.88    0.280    13.13
2038.98    0.278    14.13
2039.08    0.275    15.15
2039.18    0.272    16.19
2039.28    0.270    17.25
2039.38    0.267    18.32
2039.48    0.264    19.42
2039.58    0.262    20.55
2039.68    0.259    21.69
2039.78    0.257    22.86
2039.88    0.254    24.05
2039.98    0.251    25.27
2040.08    0.249    26.51
2040.18    0.246    27.78
2040.28    0.244    29.08
2040.38    0.241    30.40
2040.48    0.239    31.75
2040.58    0.236    33.13
2040.68    0.234    34.54
2040.78    0.231    35.98
2040.88    0.229    37.45
2040.98    0.226    38.95
2041.08    0.224    40.49
2041.18    0.222    42.05
2041.28    0.219    43.66
2041.38    0.217    45.29
2041.48    0.215    46.96
2041.58    0.213    48.66
2041.68    0.210    50.40
2041.78    0.208    52.17
2041.88    0.206    53.98
2041.98    0.204    55.82
2042.08    0.203    57.70
2042.18    0.201    59.61
2042.28    0.199    61.56
2042.38    0.197    63.54
2042.48    0.196    65.55
2042.58    0.194    67.60
2042.68    0.193    69.68



 

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 16:41:14


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