Double Star Calculator - Orbit

Orbital Elements for TOK717AA,AB
WDS: TOK717AA,AB WDS ID/Discoverer
P: 24.000 Orbital period (years)
a: 0.1984 Semi-major axis (arcseconds)
i: 102.6 Inclination (degrees)
Ω: 292.5 Longitude of ascending node (degrees)
T: 2018.050 Epoch of periastron passage (year)
e: 0.145 Eccentricity
ω: 108.2 Longitude of periastron (degrees)
Start-Year: 2013.0 Year
End-Year: 2037.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for TOK717AA,AB
Position: 114930.43-163620.5 Epoch-2000 right ascension and declination
WDS-ID: 11495-1636 WDS designation
Discoverer Code: TOK717AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 102698 HD catalog number
Hipparcos number: 57660 Hipparcos catalog number
V1: 10.6 Magnitude of the primary
V2: 11.0 Magnitude of the secondary
Equinox: Equinox
Date: 2019 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2020e Reference

Double Star Orbit for TOK717AA,AB



WDS 6th Orbit including measures of TOK717AA,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 TOK717AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.096    85.45
--------------------------
2013.00    0.188   288.96
2013.10    0.186   288.60
2013.20    0.184   288.22
2013.30    0.182   287.84
2013.40    0.179   287.45
2013.50    0.176   287.05
2013.60    0.174   286.63
2013.70    0.171   286.20
2013.80    0.168   285.75
2013.90    0.164   285.29
2014.00    0.161   284.81
2014.10    0.158   284.31
2014.20    0.154   283.79
2014.30    0.151   283.24
2014.40    0.147   282.66
2014.50    0.143   282.06
2014.60    0.139   281.42
2014.70    0.135   280.74
2014.80    0.131   280.02
2014.90    0.127   279.25
2015.00    0.122   278.43
2015.10    0.118   277.55
2015.20    0.113   276.60
2015.30    0.109   275.56
2015.40    0.104   274.44
2015.50    0.100   273.22
2015.60    0.095   271.87
2015.70    0.090   270.38
2015.80    0.085   268.72
2015.90    0.081   266.87
2016.00    0.076   264.78
2016.10    0.071   262.42
2016.20    0.066   259.72
2016.30    0.062   256.61
2016.40    0.057   253.02
2016.50    0.053   248.85
2016.60    0.049   243.99
2016.70    0.046   238.33
2016.80    0.043   231.78
2016.90    0.040   224.30
2017.00    0.038   215.99
2017.10    0.037   207.06
2017.20    0.037   197.89
2017.30    0.038   188.91
2017.40    0.040   180.52
2017.50    0.042   172.94
2017.60    0.045   166.29
2017.70    0.049   160.54
2017.80    0.053   155.59
2017.90    0.057   151.35
2018.00    0.061   147.70
2018.10    0.066   144.54
2018.20    0.070   141.80
2018.30    0.075   139.39
2018.40    0.080   137.27
2018.50    0.085   135.39
2018.60    0.089   133.70
2018.70    0.094   132.19
2018.80    0.099   130.82
2018.90    0.103   129.57
2019.00    0.108   128.43
2019.10    0.112   127.38
2019.20    0.117   126.40
2019.30    0.121   125.50
2019.40    0.125   124.66
2019.50    0.129   123.87
2019.60    0.133   123.13
2019.70    0.137   122.44
2019.80    0.141   121.78
2019.90    0.144   121.15
2020.00    0.148   120.55
2020.10    0.151   119.98
2020.20    0.154   119.44
2020.30    0.157   118.91
2020.40    0.160   118.41
2020.50    0.163   117.92
2020.60    0.166   117.45
2020.70    0.168   116.99
2020.80    0.171   116.55
2020.90    0.173   116.12
2021.00    0.175   115.70
2021.10    0.177   115.28
2021.20    0.178   114.88
2021.30    0.180   114.48
2021.40    0.181   114.09
2021.50    0.183   113.71
2021.60    0.184   113.33
2021.70    0.185   112.95
2021.80    0.186   112.58
2021.90    0.186   112.21
2022.00    0.187   111.85
2022.10    0.187   111.48
2022.20    0.188   111.12
2022.30    0.188   110.76
2022.40    0.188   110.40
2022.50    0.187   110.03
2022.60    0.187   109.67
2022.70    0.187   109.31
2022.80    0.186   108.94
2022.90    0.185   108.57
2023.00    0.185   108.20
2023.10    0.184   107.82
2023.20    0.182   107.44
2023.30    0.181   107.05
2023.40    0.180   106.66
2023.50    0.178   106.27
2023.60    0.177   105.86
2023.70    0.175   105.45
2023.80    0.173   105.03
2023.90    0.172   104.61
2024.00    0.170   104.17
2024.10    0.168   103.72
2024.20    0.165   103.26
2024.30    0.163   102.79
2024.40    0.161   102.30
2024.50    0.158   101.80
2024.60    0.156   101.28
2024.70    0.153   100.75
2024.80    0.150   100.20
2024.90    0.148    99.62
2025.00    0.145    99.03
2025.10    0.142    98.40
2025.20    0.139    97.76
2025.30    0.136    97.08
2025.40    0.133    96.38
2025.50    0.130    95.64
2025.60    0.126    94.86
2025.70    0.123    94.04
2025.80    0.120    93.18
2025.90    0.117    92.26
2026.00    0.113    91.30
2026.10    0.110    90.27
2026.20    0.106    89.18
2026.30    0.103    88.02
2026.40    0.100    86.78
2026.50    0.096    85.45
2026.60    0.093    84.02
2026.70    0.089    82.48
2026.80    0.086    80.82
2026.90    0.083    79.02
2027.00    0.079    77.07
2027.10    0.076    74.96
2027.20    0.073    72.65
2027.30    0.070    70.15
2027.40    0.067    67.41
2027.50    0.064    64.43
2027.60    0.061    61.18
2027.70    0.059    57.64
2027.80    0.057    53.81
2027.90    0.055    49.67
2028.00    0.053    45.24
2028.10    0.051    40.53
2028.20    0.050    35.58
2028.30    0.050    30.45
2028.40    0.049    25.21
2028.50    0.049    19.94
2028.60    0.050    14.71
2028.70    0.050     9.62
2028.80    0.052     4.72
2028.90    0.053     0.08
2029.00    0.055   355.71
2029.10    0.057   351.65
2029.20    0.059   347.89
2029.30    0.062   344.42
2029.40    0.065   341.24
2029.50    0.068   338.32
2029.60    0.071   335.64
2029.70    0.074   333.19
2029.80    0.077   330.94
2029.90    0.080   328.87
2030.00    0.083   326.96
2030.10    0.087   325.20
2030.20    0.090   323.58
2030.30    0.094   322.07
2030.40    0.097   320.67
2030.50    0.101   319.37
2030.60    0.104   318.15
2030.70    0.108   317.01
2030.80    0.111   315.95
2030.90    0.115   314.94
2031.00    0.118   314.00
2031.10    0.121   313.11
2031.20    0.125   312.27
2031.30    0.128   311.47
2031.40    0.131   310.71
2031.50    0.135   309.99
2031.60    0.138   309.31
2031.70    0.141   308.65
2031.80    0.144   308.02
2031.90    0.147   307.42
2032.00    0.150   306.85
2032.10    0.153   306.29
2032.20    0.156   305.76
2032.30    0.159   305.25
2032.40    0.162   304.75
2032.50    0.164   304.27
2032.60    0.167   303.81
2032.70    0.170   303.36
2032.80    0.172   302.92
2032.90    0.175   302.50
2033.00    0.177   302.09
2033.10    0.179   301.69
2033.20    0.181   301.30
2033.30    0.184   300.91
2033.40    0.186   300.54
2033.50    0.188   300.17
2033.60    0.189   299.81
2033.70    0.191   299.46
2033.80    0.193   299.12
2033.90    0.194   298.78
2034.00    0.196   298.44
2034.10    0.197   298.11
2034.20    0.199   297.79
2034.30    0.200   297.46
2034.40    0.201   297.15
2034.50    0.202   296.83
2034.60    0.203   296.52
2034.70    0.203   296.21
2034.80    0.204   295.90
2034.90    0.205   295.60
2035.00    0.205   295.30
2035.10    0.205   294.99
2035.20    0.206   294.69
2035.30    0.206   294.39
2035.40    0.206   294.09
2035.50    0.205   293.79
2035.60    0.205   293.48
2035.70    0.205   293.18
2035.80    0.204   292.88
2035.90    0.204   292.57
2036.00    0.203   292.26
2036.10    0.202   291.95
2036.20    0.201   291.64
2036.30    0.200   291.32
2036.40    0.199   291.00
2036.50    0.197   290.67
2036.60    0.196   290.34
2036.70    0.194   290.01
2036.80    0.192   289.66
2036.90    0.190   289.32






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 16:41:43



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