Double Star Calculator - Orbit

Orbital Elements for TOK363AA,AB

WDS:	TOK363AA,AB	WDS ID/Discoverer
P:	16.728	Orbital period (years)
a:	0.113	Semi-major axis (arcseconds)
i:	27.7	Inclination (degrees)
Ω:	199.2	Longitude of ascending node (degrees)
T:	2010.325	Epoch of periastron passage (year)
e:	0.287	Eccentricity
ω:	149.1	Longitude of periastron (degrees)
Start-Year:	2016.636	Year
End-Year:	2033.364	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK363AA,AB
Position:	040039.54+202249.7	Epoch-2000 right ascension and declination
WDS-ID:	04007+2023	WDS designation
Discoverer Code:	TOK363AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	18719	Hipparcos catalog number
V1:	8.73	Magnitude of the primary
V2:	13.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	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 TOK363AA,AB

WDS 6th Orbit including measures of TOK363AA,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 TOK363AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.076   329.52
--------------------------
2016.64    0.129   145.29
2016.74    0.129   146.70
2016.84    0.130   148.08
2016.94    0.131   149.44
2017.04    0.132   150.79
2017.14    0.133   152.12
2017.24    0.133   153.44
2017.34    0.134   154.74
2017.44    0.135   156.03
2017.54    0.136   157.31
2017.64    0.136   158.57
2017.74    0.137   159.82
2017.84    0.137   161.06
2017.94    0.138   162.29
2018.04    0.138   163.51
2018.14    0.139   164.72
2018.24    0.139   165.93
2018.34    0.140   167.12
2018.44    0.140   168.31
2018.54    0.141   169.49
2018.64    0.141   170.66
2018.74    0.141   171.83
2018.84    0.142   172.99
2018.94    0.142   174.15
2019.04    0.142   175.31
2019.14    0.142   176.46
2019.24    0.142   177.61
2019.34    0.142   178.76
2019.44    0.143   179.91
2019.54    0.143   181.06
2019.64    0.143   182.20
2019.74    0.142   183.35
2019.84    0.142   184.50
2019.94    0.142   185.65
2020.04    0.142   186.81
2020.14    0.142   187.96
2020.24    0.142   189.12
2020.34    0.141   190.29
2020.44    0.141   191.46
2020.54    0.140   192.64
2020.64    0.140   193.82
2020.74    0.140   195.02
2020.84    0.139   196.22
2020.94    0.138   197.43
2021.04    0.138   198.65
2021.14    0.137   199.88
2021.24    0.137   201.12
2021.34    0.136   202.38
2021.44    0.135   203.65
2021.54    0.134   204.94
2021.64    0.133   206.25
2021.74    0.132   207.57
2021.84    0.131   208.91
2021.94    0.130   210.27
2022.04    0.129   211.65
2022.14    0.128   213.06
2022.24    0.127   214.49
2022.34    0.126   215.94
2022.44    0.125   217.43
2022.54    0.123   218.94
2022.64    0.122   220.49
2022.74    0.121   222.07
2022.84    0.119   223.68
2022.94    0.118   225.33
2023.04    0.117   227.03
2023.14    0.115   228.77
2023.24    0.114   230.55
2023.34    0.112   232.38
2023.44    0.110   234.26
2023.54    0.109   236.20
2023.64    0.107   238.19
2023.74    0.106   240.25
2023.84    0.104   242.37
2023.94    0.102   244.56
2024.04    0.101   246.82
2024.14    0.099   249.16
2024.24    0.097   251.57
2024.34    0.096   254.07
2024.44    0.094   256.65
2024.54    0.093   259.33
2024.64    0.091   262.10
2024.74    0.089   264.96
2024.84    0.088   267.93
2024.94    0.087   270.99
2025.04    0.085   274.16
2025.14    0.084   277.42
2025.24    0.083   280.79
2025.34    0.081   284.25
2025.44    0.080   287.81
2025.54    0.079   291.47
2025.64    0.079   295.20
2025.74    0.078   299.01
2025.84    0.077   302.89
2025.94    0.077   306.82
2026.04    0.076   310.80
2026.14    0.076   314.81
2026.24    0.076   318.85
2026.34    0.076   322.90
2026.44    0.076   326.94
2026.54    0.076   330.97
2026.64    0.076   334.98
2026.74    0.077   338.96
2026.84    0.077   342.90
2026.94    0.078   346.79
2027.04    0.078   350.63
2027.14    0.079   354.42
2027.24    0.079   358.16
2027.34    0.080     1.83
2027.44    0.081     5.45
2027.54    0.081     9.01
2027.64    0.082    12.51
2027.74    0.083    15.95
2027.84    0.083    19.34
2027.94    0.084    22.68
2028.04    0.085    25.97
2028.14    0.085    29.21
2028.24    0.086    32.40
2028.34    0.086    35.55
2028.44    0.087    38.65
2028.54    0.088    41.71
2028.64    0.088    44.72
2028.74    0.089    47.70
2028.84    0.089    50.64
2028.94    0.090    53.53
2029.04    0.091    56.39
2029.14    0.091    59.21
2029.24    0.092    62.00
2029.34    0.092    64.74
2029.44    0.093    67.45
2029.54    0.094    70.12
2029.64    0.094    72.75
2029.74    0.095    75.35
2029.84    0.096    77.90
2029.94    0.097    80.42
2030.04    0.097    82.90
2030.14    0.098    85.34
2030.24    0.099    87.74
2030.34    0.100    90.10
2030.44    0.101    92.42
2030.54    0.101    94.71
2030.64    0.102    96.95
2030.74    0.103    99.16
2030.84    0.104   101.33
2030.94    0.105   103.46
2031.04    0.106   105.56
2031.14    0.107   107.61
2031.24    0.108   109.63
2031.34    0.109   111.62
2031.44    0.110   113.57
2031.54    0.111   115.48
2031.64    0.112   117.36
2031.74    0.113   119.21
2031.84    0.114   121.02
2031.94    0.115   122.81
2032.04    0.116   124.56
2032.14    0.117   126.28
2032.24    0.118   127.97
2032.34    0.119   129.64
2032.44    0.120   131.27
2032.54    0.121   132.88
2032.64    0.122   134.47
2032.74    0.123   136.03
2032.84    0.124   137.56
2032.94    0.125   139.07
2033.04    0.126   140.56
2033.14    0.127   142.03
2033.24    0.127   143.47
2033.34    0.128   144.90

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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 15:16:59