Double Star Calculator - Orbit

Orbital Elements for TOK402

WDS:	TOK402	WDS ID/Discoverer
P:	17.478	Orbital period (years)
a:	0.1534	Semi-major axis (arcseconds)
i:	111.2	Inclination (degrees)
Ω:	114.7	Longitude of ascending node (degrees)
T:	2016.694	Epoch of periastron passage (year)
e:	0.5827	Eccentricity
ω:	254.4	Longitude of periastron (degrees)
Start-Year:	2016.261	Year
End-Year:	2033.739	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK402
Position:	131313.55-050125.1	Epoch-2000 right ascension and declination
WDS-ID:	13132-0501	WDS designation
Discoverer Code:	TOK402	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	114823	HD catalog number
Hipparcos number:	64499	Hipparcos catalog number
V1:	8.3	Magnitude of the primary
V2:	10.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	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:	Tok2024a	Reference

Double Star Orbit for TOK402

WDS 6th Orbit including measures of TOK402

-- 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 TOK402

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.093    46.96
--------------------------
2016.26    0.059   280.41
2016.36    0.052   275.74
2016.46    0.044   269.54
2016.56    0.037   260.82
2016.66    0.030   247.92
2016.76    0.025   228.75
2016.86    0.023   203.87
2016.96    0.026   179.95
2017.06    0.032   162.46
2017.16    0.039   150.83
2017.26    0.047   142.95
2017.36    0.054   137.34
2017.46    0.062   133.13
2017.56    0.069   129.82
2017.66    0.076   127.14
2017.76    0.083   124.90
2017.86    0.089   122.98
2017.96    0.095   121.30
2018.06    0.100   119.81
2018.16    0.106   118.47
2018.26    0.110   117.25
2018.36    0.115   116.12
2018.46    0.119   115.07
2018.56    0.122   114.09
2018.66    0.126   113.17
2018.76    0.129   112.30
2018.86    0.132   111.46
2018.96    0.135   110.66
2019.06    0.137   109.90
2019.16    0.140   109.16
2019.26    0.142   108.44
2019.36    0.144   107.74
2019.46    0.146   107.06
2019.56    0.147   106.40
2019.66    0.149   105.75
2019.76    0.150   105.11
2019.86    0.151   104.48
2019.96    0.152   103.86
2020.06    0.153   103.25
2020.16    0.154   102.65
2020.26    0.155   102.05
2020.36    0.155   101.45
2020.46    0.156   100.86
2020.56    0.156   100.28
2020.66    0.156    99.69
2020.76    0.156    99.11
2020.86    0.156    98.52
2020.96    0.156    97.94
2021.06    0.156    97.36
2021.16    0.156    96.77
2021.26    0.156    96.18
2021.36    0.155    95.59
2021.46    0.155    95.00
2021.56    0.154    94.41
2021.66    0.154    93.81
2021.76    0.153    93.20
2021.86    0.153    92.59
2021.96    0.152    91.98
2022.06    0.151    91.36
2022.16    0.150    90.73
2022.26    0.149    90.09
2022.36    0.148    89.45
2022.46    0.147    88.80
2022.56    0.146    88.14
2022.66    0.145    87.47
2022.76    0.144    86.79
2022.86    0.143    86.10
2022.96    0.142    85.40
2023.06    0.141    84.69
2023.16    0.139    83.96
2023.26    0.138    83.22
2023.36    0.137    82.47
2023.46    0.136    81.70
2023.56    0.134    80.92
2023.66    0.133    80.12
2023.76    0.131    79.31
2023.86    0.130    78.48
2023.96    0.129    77.62
2024.06    0.127    76.75
2024.16    0.126    75.86
2024.26    0.124    74.95
2024.36    0.123    74.02
2024.46    0.121    73.06
2024.56    0.120    72.08
2024.66    0.118    71.08
2024.76    0.117    70.05
2024.86    0.115    68.99
2024.96    0.114    67.90
2025.06    0.112    66.79
2025.16    0.111    65.64
2025.26    0.109    64.47
2025.36    0.108    63.26
2025.46    0.106    62.02
2025.56    0.105    60.75
2025.66    0.104    59.44
2025.76    0.102    58.09
2025.86    0.101    56.71
2025.96    0.099    55.29
2026.06    0.098    53.83
2026.16    0.097    52.33
2026.26    0.096    50.79
2026.36    0.094    49.21
2026.46    0.093    47.60
2026.56    0.092    45.94
2026.66    0.091    44.24
2026.76    0.090    42.51
2026.86    0.089    40.73
2026.96    0.088    38.92
2027.06    0.087    37.07
2027.16    0.087    35.18
2027.26    0.086    33.26
2027.36    0.085    31.32
2027.46    0.085    29.34
2027.56    0.084    27.33
2027.66    0.084    25.31
2027.76    0.083    23.26
2027.86    0.083    21.20
2027.96    0.083    19.12
2028.06    0.083    17.04
2028.16    0.083    14.95
2028.26    0.083    12.86
2028.36    0.083    10.77
2028.46    0.083     8.68
2028.56    0.083     6.61
2028.66    0.083     4.55
2028.76    0.084     2.51
2028.86    0.084     0.49
2028.96    0.085   358.49
2029.06    0.085   356.51
2029.16    0.086   354.57
2029.26    0.087   352.65
2029.36    0.087   350.76
2029.46    0.088   348.91
2029.56    0.089   347.09
2029.66    0.090   345.30
2029.76    0.091   343.55
2029.86    0.092   341.83
2029.96    0.092   340.15
2030.06    0.093   338.50
2030.16    0.094   336.88
2030.26    0.095   335.30
2030.36    0.096   333.75
2030.46    0.097   332.23
2030.56    0.098   330.74
2030.66    0.099   329.28
2030.76    0.100   327.85
2030.86    0.101   326.45
2030.96    0.102   325.07
2031.06    0.103   323.71
2031.16    0.104   322.37
2031.26    0.104   321.05
2031.36    0.105   319.75
2031.46    0.106   318.47
2031.56    0.106   317.19
2031.66    0.106   315.93
2031.76    0.107   314.68
2031.86    0.107   313.43
2031.96    0.107   312.18
2032.06    0.107   310.93
2032.16    0.106   309.68
2032.26    0.106   308.41
2032.36    0.105   307.14
2032.46    0.104   305.84
2032.56    0.103   304.52
2032.66    0.102   303.16
2032.76    0.100   301.76
2032.86    0.098   300.30
2032.96    0.095   298.78
2033.06    0.092   297.16
2033.16    0.089   295.44
2033.26    0.085   293.56
2033.36    0.081   291.50
2033.46    0.076   289.17
2033.56    0.070   286.51
2033.66    0.064   283.35

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 16:53:30