Double Star Calculator - Orbit

Orbital Elements for TOK301AA,AB
WDS: TOK301AA,AB WDS ID/Discoverer
P: 70.000 Orbital period (years)
a: 0.374 Semi-major axis (arcseconds)
i: 144.7 Inclination (degrees)
Ω: 320.3 Longitude of ascending node (degrees)
T: 2016.260 Epoch of periastron passage (year)
e: 0.42 Eccentricity
ω: 275.5 Longitude of periastron (degrees)
Start-Year: 1990.0 Year
End-Year: 2060.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for TOK301AA,AB
Position: 153612.81-062318.3 Epoch-2000 right ascension and declination
WDS-ID: 15362-0623 WDS designation
Discoverer Code: TOK301AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 139059 HD catalog number
Hipparcos number: 76400 Hipparcos catalog number
V1: 7.9 Magnitude of the primary
V2: 12. Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2022e Reference

Double Star Orbit for TOK301AA,AB



WDS 6th Orbit including measures of TOK301AA,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 TOK301AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.331   306.33
--------------------------
1990.00    0.434   199.03
1990.10    0.434   198.74
1990.20    0.434   198.46
1990.30    0.433   198.18
1990.40    0.433   197.89
1990.50    0.433   197.61
1990.60    0.433   197.33
1990.70    0.433   197.04
1990.80    0.433   196.76
1990.90    0.432   196.47
1991.00    0.432   196.19
1991.10    0.432   195.90
1991.20    0.432   195.62
1991.30    0.432   195.33
1991.40    0.432   195.05
1991.50    0.431   194.76
1991.60    0.431   194.47
1991.70    0.431   194.19
1991.80    0.431   193.90
1991.90    0.431   193.61
1992.00    0.431   193.33
1992.10    0.430   193.04
1992.20    0.430   192.75
1992.30    0.430   192.46
1992.40    0.430   192.17
1992.50    0.429   191.88
1992.60    0.429   191.60
1992.70    0.429   191.31
1992.80    0.429   191.02
1992.90    0.429   190.73
1993.00    0.428   190.44
1993.10    0.428   190.15
1993.20    0.428   189.85
1993.30    0.428   189.56
1993.40    0.427   189.27
1993.50    0.427   188.98
1993.60    0.427   188.69
1993.70    0.427   188.39
1993.80    0.426   188.10
1993.90    0.426   187.81
1994.00    0.426   187.51
1994.10    0.425   187.22
1994.20    0.425   186.93
1994.30    0.425   186.63
1994.40    0.424   186.33
1994.50    0.424   186.04
1994.60    0.424   185.74
1994.70    0.423   185.45
1994.80    0.423   185.15
1994.90    0.423   184.85
1995.00    0.422   184.55
1995.10    0.422   184.25
1995.20    0.422   183.95
1995.30    0.421   183.65
1995.40    0.421   183.35
1995.50    0.421   183.05
1995.60    0.420   182.75
1995.70    0.420   182.45
1995.80    0.420   182.15
1995.90    0.419   181.84
1996.00    0.419   181.54
1996.10    0.418   181.24
1996.20    0.418   180.93
1996.30    0.417   180.63
1996.40    0.417   180.32
1996.50    0.417   180.01
1996.60    0.416   179.71
1996.70    0.416   179.40
1996.80    0.415   179.09
1996.90    0.415   178.78
1997.00    0.414   178.47
1997.10    0.414   178.16
1997.20    0.413   177.85
1997.30    0.413   177.54
1997.40    0.412   177.22
1997.50    0.412   176.91
1997.60    0.411   176.60
1997.70    0.411   176.28
1997.80    0.410   175.97
1997.90    0.410   175.65
1998.00    0.409   175.33
1998.10    0.409   175.01
1998.20    0.408   174.69
1998.30    0.408   174.37
1998.40    0.407   174.05
1998.50    0.407   173.73
1998.60    0.406   173.41
1998.70    0.405   173.08
1998.80    0.405   172.76
1998.90    0.404   172.43
1999.00    0.404   172.11
1999.10    0.403   171.78
1999.20    0.402   171.45
1999.30    0.402   171.12
1999.40    0.401   170.79
1999.50    0.400   170.46
1999.60    0.400   170.13
1999.70    0.399   169.79
1999.80    0.398   169.46
1999.90    0.398   169.12
2000.00    0.397   168.78
2000.10    0.396   168.45
2000.20    0.396   168.11
2000.30    0.395   167.76
2000.40    0.394   167.42
2000.50    0.393   167.08
2000.60    0.393   166.73
2000.70    0.392   166.39
2000.80    0.391   166.04
2000.90    0.390   165.69
2001.00    0.390   165.34
2001.10    0.389   164.99
2001.20    0.388   164.64
2001.30    0.387   164.28
2001.40    0.386   163.92
2001.50    0.385   163.57
2001.60    0.385   163.21
2001.70    0.384   162.85
2001.80    0.383   162.48
2001.90    0.382   162.12
2002.00    0.381   161.75
2002.10    0.380   161.39
2002.20    0.379   161.02
2002.30    0.378   160.65
2002.40    0.377   160.27
2002.50    0.377   159.90
2002.60    0.376   159.52
2002.70    0.375   159.14
2002.80    0.374   158.76
2002.90    0.373   158.38
2003.00    0.372   157.99
2003.10    0.371   157.61
2003.20    0.370   157.22
2003.30    0.369   156.83
2003.40    0.368   156.43
2003.50    0.366   156.04
2003.60    0.365   155.64
2003.70    0.364   155.24
2003.80    0.363   154.84
2003.90    0.362   154.43
2004.00    0.361   154.02
2004.10    0.360   153.61
2004.20    0.359   153.20
2004.30    0.358   152.79
2004.40    0.356   152.37
2004.50    0.355   151.95
2004.60    0.354   151.52
2004.70    0.353   151.10
2004.80    0.352   150.67
2004.90    0.350   150.23
2005.00    0.349   149.80
2005.10    0.348   149.36
2005.20    0.346   148.92
2005.30    0.345   148.47
2005.40    0.344   148.02
2005.50    0.343   147.57
2005.60    0.341   147.11
2005.70    0.340   146.65
2005.80    0.338   146.19
2005.90    0.337   145.72
2006.00    0.336   145.25
2006.10    0.334   144.78
2006.20    0.333   144.30
2006.30    0.331   143.82
2006.40    0.330   143.33
2006.50    0.329   142.84
2006.60    0.327   142.34
2006.70    0.326   141.84
2006.80    0.324   141.34
2006.90    0.323   140.83
2007.00    0.321   140.31
2007.10    0.319   139.79
2007.20    0.318   139.27
2007.30    0.316   138.74
2007.40    0.315   138.20
2007.50    0.313   137.66
2007.60    0.311   137.12
2007.70    0.310   136.56
2007.80    0.308   136.01
2007.90    0.306   135.44
2008.00    0.305   134.87
2008.10    0.303   134.29
2008.20    0.301   133.71
2008.30    0.300   133.12
2008.40    0.298   132.52
2008.50    0.296   131.92
2008.60    0.294   131.31
2008.70    0.293   130.69
2008.80    0.291   130.06
2008.90    0.289   129.43
2009.00    0.287   128.79
2009.10    0.285   128.14
2009.20    0.283   127.48
2009.30    0.282   126.81
2009.40    0.280   126.13
2009.50    0.278   125.45
2009.60    0.276   124.75
2009.70    0.274   124.05
2009.80    0.272   123.33
2009.90    0.270   122.61
2010.00    0.268   121.87
2010.10    0.266   121.13
2010.20    0.264   120.37
2010.30    0.262   119.60
2010.40    0.260   118.82
2010.50    0.258   118.03
2010.60    0.256   117.23
2010.70    0.254   116.41
2010.80    0.252   115.58
2010.90    0.250   114.74
2011.00    0.248   113.88
2011.10    0.246   113.01
2011.20    0.244   112.12
2011.30    0.242   111.22
2011.40    0.240   110.31
2011.50    0.238   109.38
2011.60    0.236   108.43
2011.70    0.234   107.47
2011.80    0.232   106.49
2011.90    0.230   105.49
2012.00    0.228   104.48
2012.10    0.226   103.44
2012.20    0.224   102.39
2012.30    0.222   101.33
2012.40    0.220   100.24
2012.50    0.218    99.13
2012.60    0.217    98.00
2012.70    0.215    96.86
2012.80    0.213    95.69
2012.90    0.211    94.50
2013.00    0.209    93.30
2013.10    0.207    92.07
2013.20    0.205    90.81
2013.30    0.204    89.54
2013.40    0.202    88.25
2013.50    0.200    86.93
2013.60    0.199    85.59
2013.70    0.197    84.23
2013.80    0.196    82.85
2013.90    0.194    81.45
2014.00    0.193    80.02
2014.10    0.191    78.58
2014.20    0.190    77.11
2014.30    0.189    75.62
2014.40    0.187    74.12
2014.50    0.186    72.59
2014.60    0.185    71.04
2014.70    0.184    69.48
2014.80    0.183    67.90
2014.90    0.182    66.30
2015.00    0.181    64.69
2015.10    0.181    63.06
2015.20    0.180    61.42
2015.30    0.179    59.77
2015.40    0.179    58.10
2015.50    0.178    56.43
2015.60    0.178    54.75
2015.70    0.178    53.06
2015.80    0.177    51.37
2015.90    0.177    49.68
2016.00    0.177    47.98
2016.10    0.177    46.28
2016.20    0.177    44.59
2016.30    0.178    42.89
2016.40    0.178    41.21
2016.50    0.178    39.52
2016.60    0.179    37.85
2016.70    0.179    36.18
2016.80    0.180    34.53
2016.90    0.180    32.89
2017.00    0.181    31.25
2017.10    0.182    29.64
2017.20    0.183    28.04
2017.30    0.184    26.45
2017.40    0.185    24.88
2017.50    0.186    23.33
2017.60    0.187    21.80
2017.70    0.188    20.28
2017.80    0.189    18.79
2017.90    0.191    17.31
2018.00    0.192    15.86
2018.10    0.194    14.43
2018.20    0.195    13.02
2018.30    0.196    11.62
2018.40    0.198    10.26
2018.50    0.200     8.91
2018.60    0.201     7.58
2018.70    0.203     6.28
2018.80    0.205     4.99
2018.90    0.206     3.73
2019.00    0.208     2.49
2019.10    0.210     1.26
2019.20    0.212     0.06
2019.30    0.213   358.88
2019.40    0.215   357.72
2019.50    0.217   356.58
2019.60    0.219   355.46
2019.70    0.221   354.35
2019.80    0.223   353.27
2019.90    0.224   352.20
2020.00    0.226   351.15
2020.10    0.228   350.12
2020.20    0.230   349.11
2020.30    0.232   348.11
2020.40    0.234   347.13
2020.50    0.236   346.16
2020.60    0.238   345.21
2020.70    0.240   344.27
2020.80    0.242   343.35
2020.90    0.243   342.45
2021.00    0.245   341.55
2021.10    0.247   340.68
2021.20    0.249   339.81
2021.30    0.251   338.96
2021.40    0.253   338.12
2021.50    0.255   337.29
2021.60    0.257   336.48
2021.70    0.258   335.67
2021.80    0.260   334.88
2021.90    0.262   334.10
2022.00    0.264   333.33
2022.10    0.266   332.57
2022.20    0.267   331.82
2022.30    0.269   331.08
2022.40    0.271   330.35
2022.50    0.273   329.63
2022.60    0.274   328.92
2022.70    0.276   328.21
2022.80    0.278   327.52
2022.90    0.280   326.83
2023.00    0.281   326.16
2023.10    0.283   325.49
2023.20    0.285   324.83
2023.30    0.286   324.17
2023.40    0.288   323.53
2023.50    0.290   322.89
2023.60    0.291   322.25
2023.70    0.293   321.63
2023.80    0.294   321.01
2023.90    0.296   320.40
2024.00    0.297   319.79
2024.10    0.299   319.19
2024.20    0.300   318.60
2024.30    0.302   318.01
2024.40    0.303   317.43
2024.50    0.305   316.86
2024.60    0.306   316.29
2024.70    0.308   315.72
2024.80    0.309   315.16
2024.90    0.311   314.61
2025.00    0.312   314.06
2025.10    0.313   313.51
2025.20    0.315   312.97
2025.30    0.316   312.43
2025.40    0.317   311.90
2025.50    0.319   311.38
2025.60    0.320   310.86
2025.70    0.321   310.34
2025.80    0.323   309.82
2025.90    0.324   309.31
2026.00    0.325   308.81
2026.10    0.326   308.31
2026.20    0.328   307.81
2026.30    0.329   307.31
2026.40    0.330   306.82
2026.50    0.331   306.33
2026.60    0.332   305.85
2026.70    0.334   305.37
2026.80    0.335   304.89
2026.90    0.336   304.42
2027.00    0.337   303.95
2027.10    0.338   303.48
2027.20    0.339   303.02
2027.30    0.340   302.55
2027.40    0.341   302.10
2027.50    0.342   301.64
2027.60    0.343   301.19
2027.70    0.345   300.74
2027.80    0.346   300.29
2027.90    0.347   299.84
2028.00    0.348   299.40
2028.10    0.349   298.96
2028.20    0.350   298.52
2028.30    0.350   298.09
2028.40    0.351   297.66
2028.50    0.352   297.23
2028.60    0.353   296.80
2028.70    0.354   296.37
2028.80    0.355   295.95
2028.90    0.356   295.53
2029.00    0.357   295.11
2029.10    0.358   294.69
2029.20    0.359   294.28
2029.30    0.360   293.86
2029.40    0.360   293.45
2029.50    0.361   293.04
2029.60    0.362   292.64
2029.70    0.363   292.23
2029.80    0.364   291.83
2029.90    0.365   291.43
2030.00    0.365   291.03
2030.10    0.366   290.63
2030.20    0.367   290.23
2030.30    0.368   289.84
2030.40    0.369   289.45
2030.50    0.369   289.05
2030.60    0.370   288.66
2030.70    0.371   288.28
2030.80    0.372   287.89
2030.90    0.372   287.50
2031.00    0.373   287.12
2031.10    0.374   286.74
2031.20    0.374   286.36
2031.30    0.375   285.98
2031.40    0.376   285.60
2031.50    0.376   285.22
2031.60    0.377   284.85
2031.70    0.378   284.47
2031.80    0.378   284.10
2031.90    0.379   283.73
2032.00    0.380   283.36
2032.10    0.380   282.99
2032.20    0.381   282.62
2032.30    0.382   282.26
2032.40    0.382   281.89
2032.50    0.383   281.53
2032.60    0.383   281.17
2032.70    0.384   280.80
2032.80    0.385   280.44
2032.90    0.385   280.08
2033.00    0.386   279.72
2033.10    0.386   279.37
2033.20    0.387   279.01
2033.30    0.388   278.66
2033.40    0.388   278.30
2033.50    0.389   277.95
2033.60    0.389   277.60
2033.70    0.390   277.24
2033.80    0.390   276.89
2033.90    0.391   276.54
2034.00    0.391   276.20
2034.10    0.392   275.85
2034.20    0.392   275.50
2034.30    0.393   275.16
2034.40    0.393   274.81
2034.50    0.394   274.47
2034.60    0.394   274.12
2034.70    0.395   273.78
2034.80    0.395   273.44
2034.90    0.396   273.10
2035.00    0.396   272.76
2035.10    0.397   272.42
2035.20    0.397   272.08
2035.30    0.398   271.75
2035.40    0.398   271.41
2035.50    0.398   271.07
2035.60    0.399   270.74
2035.70    0.399   270.40
2035.80    0.400   270.07
2035.90    0.400   269.74
2036.00    0.401   269.40
2036.10    0.401   269.07
2036.20    0.401   268.74
2036.30    0.402   268.41
2036.40    0.402   268.08
2036.50    0.403   267.75
2036.60    0.403   267.42
2036.70    0.403   267.10
2036.80    0.404   266.77
2036.90    0.404   266.44
2037.00    0.405   266.12
2037.10    0.405   265.79
2037.20    0.405   265.47
2037.30    0.406   265.14
2037.40    0.406   264.82
2037.50    0.406   264.50
2037.60    0.407   264.18
2037.70    0.407   263.85
2037.80    0.408   263.53
2037.90    0.408   263.21
2038.00    0.408   262.89
2038.10    0.409   262.57
2038.20    0.409   262.25
2038.30    0.409   261.94
2038.40    0.410   261.62
2038.50    0.410   261.30
2038.60    0.410   260.98
2038.70    0.411   260.67
2038.80    0.411   260.35
2038.90    0.411   260.04
2039.00    0.412   259.72
2039.10    0.412   259.41
2039.20    0.412   259.09
2039.30    0.412   258.78
2039.40    0.413   258.47
2039.50    0.413   258.15
2039.60    0.413   257.84
2039.70    0.414   257.53
2039.80    0.414   257.22
2039.90    0.414   256.91
2040.00    0.415   256.60
2040.10    0.415   256.29
2040.20    0.415   255.98
2040.30    0.415   255.67
2040.40    0.416   255.36
2040.50    0.416   255.05
2040.60    0.416   254.75
2040.70    0.416   254.44
2040.80    0.417   254.13
2040.90    0.417   253.83
2041.00    0.417   253.52
2041.10    0.418   253.21
2041.20    0.418   252.91
2041.30    0.418   252.60
2041.40    0.418   252.30
2041.50    0.419   251.99
2041.60    0.419   251.69
2041.70    0.419   251.39
2041.80    0.419   251.08
2041.90    0.420   250.78
2042.00    0.420   250.48
2042.10    0.420   250.18
2042.20    0.420   249.87
2042.30    0.420   249.57
2042.40    0.421   249.27
2042.50    0.421   248.97
2042.60    0.421   248.67
2042.70    0.421   248.37
2042.80    0.422   248.07
2042.90    0.422   247.77
2043.00    0.422   247.47
2043.10    0.422   247.17
2043.20    0.423   246.87
2043.30    0.423   246.57
2043.40    0.423   246.28
2043.50    0.423   245.98
2043.60    0.423   245.68
2043.70    0.424   245.38
2043.80    0.424   245.09
2043.90    0.424   244.79
2044.00    0.424   244.49
2044.10    0.424   244.20
2044.20    0.425   243.90
2044.30    0.425   243.61
2044.40    0.425   243.31
2044.50    0.425   243.02
2044.60    0.425   242.72
2044.70    0.426   242.43
2044.80    0.426   242.13
2044.90    0.426   241.84
2045.00    0.426   241.55
2045.10    0.426   241.25
2045.20    0.426   240.96
2045.30    0.427   240.67
2045.40    0.427   240.38
2045.50    0.427   240.08
2045.60    0.427   239.79
2045.70    0.427   239.50
2045.80    0.427   239.21
2045.90    0.428   238.92
2046.00    0.428   238.62
2046.10    0.428   238.33
2046.20    0.428   238.04
2046.30    0.428   237.75
2046.40    0.428   237.46
2046.50    0.429   237.17
2046.60    0.429   236.88
2046.70    0.429   236.59
2046.80    0.429   236.30
2046.90    0.429   236.01
2047.00    0.429   235.72
2047.10    0.430   235.44
2047.20    0.430   235.15
2047.30    0.430   234.86
2047.40    0.430   234.57
2047.50    0.430   234.28
2047.60    0.430   233.99
2047.70    0.430   233.71
2047.80    0.431   233.42
2047.90    0.431   233.13
2048.00    0.431   232.85
2048.10    0.431   232.56
2048.20    0.431   232.27
2048.30    0.431   231.98
2048.40    0.431   231.70
2048.50    0.432   231.41
2048.60    0.432   231.13
2048.70    0.432   230.84
2048.80    0.432   230.55
2048.90    0.432   230.27
2049.00    0.432   229.98
2049.10    0.432   229.70
2049.20    0.432   229.41
2049.30    0.432   229.13
2049.40    0.433   228.84
2049.50    0.433   228.56
2049.60    0.433   228.27
2049.70    0.433   227.99
2049.80    0.433   227.71
2049.90    0.433   227.42
2050.00    0.433   227.14
2050.10    0.433   226.85
2050.20    0.433   226.57
2050.30    0.434   226.29
2050.40    0.434   226.00
2050.50    0.434   225.72
2050.60    0.434   225.44
2050.70    0.434   225.15
2050.80    0.434   224.87
2050.90    0.434   224.59
2051.00    0.434   224.31
2051.10    0.434   224.02
2051.20    0.434   223.74
2051.30    0.434   223.46
2051.40    0.435   223.18
2051.50    0.435   222.89
2051.60    0.435   222.61
2051.70    0.435   222.33
2051.80    0.435   222.05
2051.90    0.435   221.77
2052.00    0.435   221.48
2052.10    0.435   221.20
2052.20    0.435   220.92
2052.30    0.435   220.64
2052.40    0.435   220.36
2052.50    0.435   220.08
2052.60    0.435   219.80
2052.70    0.435   219.52
2052.80    0.436   219.24
2052.90    0.436   218.95
2053.00    0.436   218.67
2053.10    0.436   218.39
2053.20    0.436   218.11
2053.30    0.436   217.83
2053.40    0.436   217.55
2053.50    0.436   217.27
2053.60    0.436   216.99
2053.70    0.436   216.71
2053.80    0.436   216.43
2053.90    0.436   216.15
2054.00    0.436   215.87
2054.10    0.436   215.59
2054.20    0.436   215.31
2054.30    0.436   215.03
2054.40    0.436   214.75
2054.50    0.436   214.47
2054.60    0.436   214.19
2054.70    0.436   213.91
2054.80    0.436   213.63
2054.90    0.436   213.35
2055.00    0.436   213.07
2055.10    0.436   212.79
2055.20    0.436   212.51
2055.30    0.436   212.23
2055.40    0.436   211.95
2055.50    0.436   211.67
2055.60    0.436   211.39
2055.70    0.436   211.11
2055.80    0.436   210.83
2055.90    0.436   210.55
2056.00    0.436   210.27
2056.10    0.436   209.99
2056.20    0.436   209.71
2056.30    0.436   209.43
2056.40    0.436   209.15
2056.50    0.436   208.87
2056.60    0.436   208.59
2056.70    0.436   208.31
2056.80    0.436   208.03
2056.90    0.436   207.75
2057.00    0.436   207.47
2057.10    0.436   207.19
2057.20    0.436   206.91
2057.30    0.436   206.63
2057.40    0.436   206.35
2057.50    0.436   206.07
2057.60    0.436   205.79
2057.70    0.436   205.51
2057.80    0.436   205.23
2057.90    0.436   204.95
2058.00    0.436   204.66
2058.10    0.436   204.38
2058.20    0.435   204.10
2058.30    0.435   203.82
2058.40    0.435   203.54
2058.50    0.435   203.26
2058.60    0.435   202.98
2058.70    0.435   202.70
2058.80    0.435   202.42
2058.90    0.435   202.13
2059.00    0.435   201.85
2059.10    0.435   201.57
2059.20    0.435   201.29
2059.30    0.435   201.01
2059.40    0.434   200.72
2059.50    0.434   200.44
2059.60    0.434   200.16
2059.70    0.434   199.88
2059.80    0.434   199.59
2059.90    0.434   199.31






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 17:17:32



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