Double Star Calculator - Orbit

Orbital Elements for TOK382AA,AB

WDS:	TOK382AA,AB	WDS ID/Discoverer
P:	20.680	Orbital period (years)
a:	0.3616	Semi-major axis (arcseconds)
i:	120.3	Inclination (degrees)
Ω:	203.1	Longitude of ascending node (degrees)
T:	2015.621	Epoch of periastron passage (year)
e:	0.854	Eccentricity
ω:	203.4	Longitude of periastron (degrees)
Start-Year:	2014.66	Year
End-Year:	2035.34	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK382AA,AB
Position:	023205.23-151440.6	Epoch-2000 right ascension and declination
WDS-ID:	02321-1515	WDS designation
Discoverer Code:	TOK382AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	15798	HD catalog number
Hipparcos number:	11783	Hipparcos catalog number
V1:	4.7	Magnitude of the primary
V2:	8.7	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Tok2025a	Reference

Double Star Orbit for TOK382AA,AB

WDS 6th Orbit including measures of TOK382AA,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 TOK382AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.624   189.96
--------------------------
2014.66    0.108   138.18
2014.76    0.097   132.52
2014.86    0.087   125.47
2014.96    0.078   116.63
2015.06    0.070   105.54
2015.16    0.064    91.96
2015.26    0.060    76.22
2015.36    0.059    59.30
2015.46    0.059    42.11
2015.56    0.055    23.98
2015.66    0.045     0.33
2015.76    0.035   320.95
2015.86    0.042   276.88
2015.96    0.060   252.40
2016.06    0.081   240.02
2016.16    0.102   232.76
2016.26    0.122   227.95
2016.36    0.141   224.48
2016.46    0.159   221.82
2016.56    0.177   219.70
2016.66    0.193   217.95
2016.76    0.209   216.47
2016.86    0.224   215.20
2016.96    0.239   214.08
2017.06    0.252   213.09
2017.16    0.266   212.20
2017.26    0.279   211.39
2017.36    0.291   210.65
2017.46    0.303   209.97
2017.56    0.314   209.35
2017.66    0.326   208.76
2017.76    0.336   208.22
2017.86    0.347   207.71
2017.96    0.357   207.22
2018.06    0.367   206.77
2018.16    0.376   206.34
2018.26    0.386   205.92
2018.36    0.395   205.53
2018.46    0.403   205.16
2018.56    0.412   204.80
2018.66    0.420   204.45
2018.76    0.428   204.12
2018.86    0.436   203.80
2018.96    0.443   203.49
2019.06    0.450   203.19
2019.16    0.458   202.90
2019.26    0.465   202.62
2019.36    0.471   202.34
2019.46    0.478   202.08
2019.56    0.484   201.82
2019.66    0.490   201.57
2019.76    0.496   201.32
2019.86    0.502   201.08
2019.96    0.508   200.85
2020.06    0.513   200.62
2020.16    0.519   200.40
2020.26    0.524   200.18
2020.36    0.529   199.96
2020.46    0.534   199.75
2020.56    0.539   199.54
2020.66    0.543   199.34
2020.76    0.548   199.14
2020.86    0.552   198.94
2020.96    0.557   198.75
2021.06    0.561   198.55
2021.16    0.565   198.37
2021.26    0.568   198.18
2021.36    0.572   198.00
2021.46    0.576   197.81
2021.56    0.579   197.64
2021.66    0.583   197.46
2021.76    0.586   197.28
2021.86    0.589   197.11
2021.96    0.592   196.94
2022.06    0.595   196.77
2022.16    0.598   196.60
2022.26    0.600   196.43
2022.36    0.603   196.27
2022.46    0.605   196.11
2022.56    0.608   195.94
2022.66    0.610   195.78
2022.76    0.612   195.62
2022.86    0.614   195.46
2022.96    0.616   195.31
2023.06    0.618   195.15
2023.16    0.620   194.99
2023.26    0.621   194.84
2023.36    0.623   194.68
2023.46    0.624   194.53
2023.56    0.626   194.38
2023.66    0.627   194.22
2023.76    0.628   194.07
2023.86    0.629   193.92
2023.96    0.630   193.77
2024.06    0.631   193.62
2024.16    0.632   193.47
2024.26    0.632   193.32
2024.36    0.633   193.17
2024.46    0.633   193.02
2024.56    0.634   192.87
2024.66    0.634   192.72
2024.76    0.634   192.57
2024.86    0.634   192.43
2024.96    0.634   192.28
2025.06    0.634   192.13
2025.16    0.634   191.98
2025.26    0.634   191.83
2025.36    0.634   191.68
2025.46    0.633   191.53
2025.56    0.633   191.39
2025.66    0.632   191.24
2025.76    0.631   191.09
2025.86    0.631   190.94
2025.96    0.630   190.79
2026.06    0.629   190.63
2026.16    0.628   190.48
2026.26    0.627   190.33
2026.36    0.626   190.18
2026.46    0.624   190.03
2026.56    0.623   189.87
2026.66    0.621   189.72
2026.76    0.620   189.56
2026.86    0.618   189.41
2026.96    0.617   189.25
2027.06    0.615   189.09
2027.16    0.613   188.93
2027.26    0.611   188.77
2027.36    0.609   188.61
2027.46    0.607   188.45
2027.56    0.604   188.29
2027.66    0.602   188.12
2027.76    0.600   187.96
2027.86    0.597   187.79
2027.96    0.595   187.62
2028.06    0.592   187.45
2028.16    0.589   187.28
2028.26    0.586   187.11
2028.36    0.583   186.94
2028.46    0.580   186.76
2028.56    0.577   186.58
2028.66    0.574   186.40
2028.76    0.571   186.22
2028.86    0.567   186.03
2028.96    0.564   185.85
2029.06    0.560   185.66
2029.16    0.557   185.47
2029.26    0.553   185.27
2029.36    0.549   185.08
2029.46    0.545   184.88
2029.56    0.541   184.67
2029.66    0.537   184.47
2029.76    0.533   184.26
2029.86    0.529   184.05
2029.96    0.524   183.83
2030.06    0.520   183.61
2030.16    0.515   183.39
2030.26    0.510   183.16
2030.36    0.506   182.93
2030.46    0.501   182.69
2030.56    0.496   182.45
2030.66    0.491   182.21
2030.76    0.485   181.96
2030.86    0.480   181.70
2030.96    0.475   181.44
2031.06    0.469   181.17
2031.16    0.463   180.89
2031.26    0.458   180.61
2031.36    0.452   180.32
2031.46    0.446   180.03
2031.56    0.440   179.72
2031.66    0.434   179.41
2031.76    0.427   179.09
2031.86    0.421   178.75
2031.96    0.414   178.41
2032.06    0.408   178.06
2032.16    0.401   177.69
2032.26    0.394   177.31
2032.36    0.387   176.92
2032.46    0.380   176.51
2032.56    0.372   176.09
2032.66    0.365   175.65
2032.76    0.357   175.19
2032.86    0.350   174.72
2032.96    0.342   174.22
2033.06    0.334   173.69
2033.16    0.326   173.14
2033.26    0.317   172.56
2033.36    0.309   171.95
2033.46    0.300   171.31
2033.56    0.291   170.63
2033.66    0.282   169.90
2033.76    0.273   169.13
2033.86    0.264   168.30
2033.96    0.255   167.41
2034.06    0.245   166.45
2034.16    0.235   165.42
2034.26    0.225   164.29
2034.36    0.215   163.06
2034.46    0.205   161.70
2034.56    0.194   160.20
2034.66    0.184   158.53
2034.76    0.173   156.65
2034.86    0.162   154.52
2034.96    0.151   152.08
2035.06    0.140   149.24
2035.16    0.128   145.91
2035.26    0.117   141.94

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 15:01:18