Double Star Calculator - Orbit

Orbital Elements for TOK396AA,AB
WDS: TOK396AA,AB WDS ID/Discoverer
P: 34.750 Orbital period (years)
a: 0.21 Semi-major axis (arcseconds)
i: 80.7 Inclination (degrees)
Ω: 5.7 Longitude of ascending node (degrees)
T: 2022.012 Epoch of periastron passage (year)
e: 0.252 Eccentricity
ω: 147.6 Longitude of periastron (degrees)
Start-Year: 2007.625 Year
End-Year: 2042.375 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for TOK396AA,AB
Position: 100538.68-840520.1 Epoch-2000 right ascension and declination
WDS-ID: 10056-8405 WDS designation
Discoverer Code: TOK396AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 88948 HD catalog number
Hipparcos number: 49442 Hipparcos catalog number
V1: 7.9 Magnitude of the primary
V2: 9.8 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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: Tok2023a Reference

Double Star Orbit for TOK396AA,AB



WDS 6th Orbit including measures of TOK396AA,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 TOK396AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.141   193.38
--------------------------
2007.62    0.252     3.56
2007.72    0.252     3.67
2007.82    0.252     3.78
2007.92    0.252     3.89
2008.02    0.253     4.01
2008.12    0.253     4.12
2008.22    0.253     4.23
2008.32    0.253     4.34
2008.42    0.253     4.45
2008.52    0.253     4.56
2008.62    0.253     4.68
2008.72    0.253     4.79
2008.82    0.252     4.90
2008.92    0.252     5.01
2009.02    0.252     5.12
2009.12    0.252     5.24
2009.22    0.251     5.35
2009.32    0.251     5.46
2009.42    0.250     5.58
2009.52    0.250     5.69
2009.62    0.249     5.81
2009.72    0.249     5.92
2009.82    0.248     6.04
2009.92    0.247     6.15
2010.02    0.247     6.27
2010.12    0.246     6.39
2010.22    0.245     6.51
2010.32    0.244     6.63
2010.42    0.243     6.75
2010.52    0.242     6.87
2010.62    0.241     6.99
2010.72    0.240     7.11
2010.82    0.239     7.24
2010.92    0.238     7.37
2011.02    0.237     7.49
2011.12    0.235     7.62
2011.22    0.234     7.75
2011.32    0.233     7.88
2011.42    0.231     8.01
2011.52    0.230     8.15
2011.62    0.228     8.29
2011.72    0.226     8.42
2011.82    0.225     8.56
2011.92    0.223     8.71
2012.02    0.221     8.85
2012.12    0.220     9.00
2012.22    0.218     9.15
2012.32    0.216     9.30
2012.42    0.214     9.45
2012.52    0.212     9.61
2012.62    0.210     9.77
2012.72    0.208     9.94
2012.82    0.206    10.10
2012.92    0.203    10.28
2013.02    0.201    10.45
2013.12    0.199    10.63
2013.22    0.196    10.81
2013.32    0.194    11.00
2013.42    0.192    11.19
2013.52    0.189    11.39
2013.62    0.187    11.59
2013.72    0.184    11.80
2013.82    0.181    12.01
2013.92    0.179    12.23
2014.02    0.176    12.46
2014.12    0.173    12.70
2014.22    0.170    12.94
2014.32    0.167    13.19
2014.42    0.164    13.45
2014.52    0.161    13.72
2014.62    0.158    14.00
2014.72    0.155    14.29
2014.82    0.152    14.59
2014.92    0.149    14.91
2015.02    0.146    15.24
2015.12    0.142    15.59
2015.22    0.139    15.95
2015.32    0.136    16.33
2015.42    0.132    16.73
2015.52    0.129    17.15
2015.62    0.125    17.59
2015.72    0.122    18.06
2015.82    0.118    18.56
2015.92    0.114    19.08
2016.02    0.111    19.65
2016.12    0.107    20.25
2016.22    0.103    20.89
2016.32    0.100    21.59
2016.42    0.096    22.33
2016.52    0.092    23.14
2016.62    0.088    24.02
2016.72    0.085    24.97
2016.82    0.081    26.02
2016.92    0.077    27.17
2017.02    0.073    28.44
2017.12    0.069    29.85
2017.22    0.065    31.42
2017.32    0.062    33.19
2017.42    0.058    35.19
2017.52    0.054    37.47
2017.62    0.051    40.07
2017.72    0.047    43.07
2017.82    0.044    46.54
2017.92    0.040    50.59
2018.02    0.037    55.32
2018.12    0.035    60.84
2018.22    0.032    67.24
2018.32    0.030    74.56
2018.42    0.029    82.73
2018.52    0.028    91.55
2018.62    0.028   100.64
2018.72    0.029   109.59
2018.82    0.030   117.99
2018.92    0.032   125.58
2019.02    0.034   132.26
2019.12    0.037   138.05
2019.22    0.039   143.01
2019.32    0.043   147.26
2019.42    0.046   150.90
2019.52    0.049   154.05
2019.62    0.053   156.77
2019.72    0.057   159.15
2019.82    0.060   161.24
2019.92    0.064   163.09
2020.02    0.068   164.73
2020.12    0.072   166.21
2020.22    0.075   167.53
2020.32    0.079   168.74
2020.42    0.083   169.83
2020.52    0.086   170.83
2020.62    0.090   171.75
2020.72    0.093   172.60
2020.82    0.097   173.39
2020.92    0.100   174.12
2021.02    0.104   174.81
2021.12    0.107   175.45
2021.22    0.110   176.05
2021.32    0.114   176.62
2021.42    0.117   177.16
2021.52    0.120   177.67
2021.62    0.123   178.16
2021.72    0.126   178.62
2021.82    0.128   179.06
2021.92    0.131   179.49
2022.02    0.134   179.90
2022.12    0.136   180.29
2022.22    0.139   180.67
2022.32    0.141   181.03
2022.42    0.143   181.39
2022.52    0.145   181.73
2022.62    0.147   182.07
2022.72    0.149   182.39
2022.82    0.151   182.71
2022.92    0.152   183.02
2023.02    0.154   183.33
2023.12    0.155   183.63
2023.22    0.157   183.92
2023.32    0.158   184.21
2023.42    0.159   184.50
2023.52    0.160   184.78
2023.62    0.161   185.06
2023.72    0.161   185.33
2023.82    0.162   185.61
2023.92    0.162   185.88
2024.02    0.163   186.15
2024.12    0.163   186.42
2024.22    0.163   186.68
2024.32    0.163   186.95
2024.42    0.163   187.22
2024.52    0.163   187.49
2024.62    0.163   187.76
2024.72    0.163   188.03
2024.82    0.162   188.30
2024.92    0.162   188.57
2025.02    0.161   188.84
2025.12    0.160   189.12
2025.22    0.159   189.40
2025.32    0.159   189.68
2025.42    0.158   189.97
2025.52    0.156   190.26
2025.62    0.155   190.55
2025.72    0.154   190.85
2025.82    0.153   191.15
2025.92    0.151   191.46
2026.02    0.150   191.78
2026.12    0.148   192.10
2026.22    0.146   192.43
2026.32    0.145   192.77
2026.42    0.143   193.11
2026.52    0.141   193.47
2026.62    0.139   193.83
2026.72    0.137   194.21
2026.82    0.135   194.59
2026.92    0.133   194.99
2027.02    0.131   195.40
2027.12    0.129   195.83
2027.22    0.126   196.27
2027.32    0.124   196.72
2027.42    0.122   197.20
2027.52    0.119   197.69
2027.62    0.117   198.20
2027.72    0.114   198.74
2027.82    0.112   199.30
2027.92    0.109   199.89
2028.02    0.107   200.50
2028.12    0.104   201.14
2028.22    0.101   201.82
2028.32    0.099   202.54
2028.42    0.096   203.29
2028.52    0.093   204.09
2028.62    0.091   204.94
2028.72    0.088   205.84
2028.82    0.085   206.79
2028.92    0.082   207.81
2029.02    0.080   208.90
2029.12    0.077   210.07
2029.22    0.074   211.33
2029.32    0.071   212.68
2029.42    0.069   214.14
2029.52    0.066   215.72
2029.62    0.063   217.43
2029.72    0.061   219.28
2029.82    0.058   221.30
2029.92    0.056   223.51
2030.02    0.053   225.92
2030.12    0.051   228.55
2030.22    0.049   231.43
2030.32    0.047   234.57
2030.42    0.045   238.01
2030.52    0.043   241.74
2030.62    0.041   245.79
2030.72    0.040   250.14
2030.82    0.039   254.78
2030.92    0.038   259.68
2031.02    0.037   264.79
2031.12    0.037   270.03
2031.22    0.037   275.33
2031.32    0.037   280.59
2031.42    0.038   285.74
2031.52    0.038   290.70
2031.62    0.040   295.41
2031.72    0.041   299.84
2031.82    0.042   303.96
2031.92    0.044   307.78
2032.02    0.046   311.28
2032.12    0.048   314.49
2032.22    0.050   317.43
2032.32    0.053   320.12
2032.42    0.055   322.58
2032.52    0.058   324.83
2032.62    0.060   326.89
2032.72    0.063   328.78
2032.82    0.065   330.51
2032.92    0.068   332.11
2033.02    0.071   333.59
2033.12    0.074   334.96
2033.22    0.077   336.22
2033.32    0.079   337.40
2033.42    0.082   338.50
2033.52    0.085   339.52
2033.62    0.088   340.48
2033.72    0.091   341.37
2033.82    0.094   342.22
2033.92    0.096   343.01
2034.02    0.099   343.76
2034.12    0.102   344.46
2034.22    0.105   345.13
2034.32    0.108   345.76
2034.42    0.111   346.36
2034.52    0.113   346.93
2034.62    0.116   347.47
2034.72    0.119   347.99
2034.82    0.122   348.48
2034.92    0.125   348.95
2035.02    0.127   349.40
2035.12    0.130   349.84
2035.22    0.133   350.25
2035.32    0.135   350.65
2035.42    0.138   351.03
2035.52    0.141   351.40
2035.62    0.143   351.75
2035.72    0.146   352.09
2035.82    0.149   352.42
2035.92    0.151   352.74
2036.02    0.154   353.05
2036.12    0.156   353.35
2036.22    0.159   353.63
2036.32    0.161   353.91
2036.42    0.164   354.18
2036.52    0.166   354.45
2036.62    0.169   354.70
2036.72    0.171   354.95
2036.82    0.173   355.19
2036.92    0.176   355.43
2037.02    0.178   355.65
2037.12    0.180   355.88
2037.22    0.182   356.10
2037.32    0.185   356.31
2037.42    0.187   356.51
2037.52    0.189   356.72
2037.62    0.191   356.92
2037.72    0.193   357.11
2037.82    0.195   357.30
2037.92    0.197   357.48
2038.02    0.199   357.67
2038.12    0.201   357.84
2038.22    0.203   358.02
2038.32    0.205   358.19
2038.42    0.207   358.36
2038.52    0.209   358.52
2038.62    0.211   358.69
2038.72    0.212   358.85
2038.82    0.214   359.00
2038.92    0.216   359.16
2039.02    0.217   359.31
2039.12    0.219   359.46
2039.22    0.221   359.61
2039.32    0.222   359.76
2039.42    0.224   359.90
2039.52    0.225     0.04
2039.62    0.227     0.18
2039.72    0.228     0.32
2039.82    0.229     0.46
2039.92    0.231     0.59
2040.02    0.232     0.72
2040.12    0.233     0.86
2040.22    0.235     0.99
2040.32    0.236     1.11
2040.42    0.237     1.24
2040.52    0.238     1.37
2040.62    0.239     1.49
2040.72    0.240     1.62
2040.82    0.241     1.74
2040.92    0.242     1.86
2041.02    0.243     1.99
2041.12    0.244     2.11
2041.22    0.245     2.23
2041.32    0.246     2.34
2041.42    0.246     2.46
2041.52    0.247     2.58
2041.62    0.248     2.70
2041.72    0.248     2.81
2041.82    0.249     2.93
2041.92    0.250     3.04
2042.02    0.250     3.16
2042.12    0.251     3.27
2042.22    0.251     3.39
2042.32    0.251     3.50






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 16:24:00



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