Double Star Calculator - Orbit

Orbital Elements for TOK325AA,AB
WDS: TOK325AA,AB WDS ID/Discoverer
P: 11.040 Orbital period (years)
a: 0.1033 Semi-major axis (arcseconds)
i: 50.3 Inclination (degrees)
Ω: 107.9 Longitude of ascending node (degrees)
T: 2017.450 Epoch of periastron passage (year)
e: 0.241 Eccentricity
ω: 328.3 Longitude of periastron (degrees)
Start-Year: 2019.48 Year
End-Year: 2030.52 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for TOK325AA,AB
Position: 185201.95-541807.0 Epoch-2000 right ascension and declination
WDS-ID: 18520-5418 WDS designation
Discoverer Code: TOK325AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 174122 HD catalog number
Hipparcos number: 92592 Hipparcos catalog number
V1: 8.7 Magnitude of the primary
V2: 11.5 Magnitude of the secondary
Equinox: Equinox
Date: 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: Tok2024c Reference

Double Star Orbit for TOK325AA,AB



WDS 6th Orbit including measures of TOK325AA,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 TOK325AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.076   331.21
--------------------------
2019.48    0.072   158.26
2019.58    0.072   162.42
2019.68    0.071   166.66
2019.78    0.070   170.99
2019.88    0.070   175.38
2019.98    0.070   179.81
2020.08    0.070   184.24
2020.18    0.070   188.67
2020.28    0.070   193.05
2020.38    0.071   197.36
2020.48    0.072   201.58
2020.58    0.073   205.69
2020.68    0.074   209.67
2020.78    0.076   213.51
2020.88    0.077   217.20
2020.98    0.079   220.74
2021.08    0.081   224.12
2021.18    0.083   227.34
2021.28    0.085   230.42
2021.38    0.087   233.35
2021.48    0.089   236.14
2021.58    0.091   238.81
2021.68    0.093   241.35
2021.78    0.095   243.77
2021.88    0.098   246.09
2021.98    0.100   248.31
2022.08    0.102   250.43
2022.18    0.104   252.48
2022.28    0.106   254.44
2022.38    0.108   256.34
2022.48    0.110   258.17
2022.58    0.111   259.94
2022.68    0.113   261.65
2022.78    0.115   263.32
2022.88    0.116   264.94
2022.98    0.117   266.53
2023.08    0.119   268.08
2023.18    0.120   269.59
2023.28    0.121   271.08
2023.38    0.122   272.55
2023.48    0.122   274.00
2023.58    0.123   275.43
2023.68    0.124   276.84
2023.78    0.124   278.25
2023.88    0.124   279.65
2023.98    0.124   281.05
2024.08    0.124   282.45
2024.18    0.124   283.85
2024.28    0.124   285.26
2024.38    0.123   286.68
2024.48    0.122   288.11
2024.58    0.121   289.56
2024.68    0.120   291.04
2024.78    0.119   292.54
2024.88    0.118   294.08
2024.98    0.116   295.65
2025.08    0.115   297.27
2025.18    0.113   298.94
2025.28    0.111   300.67
2025.38    0.109   302.46
2025.48    0.106   304.33
2025.58    0.104   306.29
2025.68    0.101   308.34
2025.78    0.098   310.51
2025.88    0.096   312.80
2025.98    0.093   315.24
2026.08    0.089   317.85
2026.18    0.086   320.65
2026.28    0.083   323.66
2026.38    0.080   326.92
2026.48    0.076   330.46
2026.58    0.073   334.32
2026.68    0.070   338.53
2026.78    0.067   343.13
2026.88    0.064   348.16
2026.98    0.062   353.63
2027.08    0.059   359.55
2027.18    0.057     5.91
2027.28    0.056    12.65
2027.38    0.055    19.68
2027.48    0.055    26.88
2027.58    0.055    34.10
2027.68    0.055    41.21
2027.78    0.057    48.09
2027.88    0.058    54.64
2027.98    0.060    60.81
2028.08    0.062    66.57
2028.18    0.065    71.94
2028.28    0.067    76.94
2028.38    0.069    81.59
2028.48    0.071    85.95
2028.58    0.074    90.05
2028.68    0.076    93.93
2028.78    0.077    97.62
2028.88    0.079   101.17
2028.98    0.080   104.60
2029.08    0.081   107.95
2029.18    0.081   111.23
2029.28    0.082   114.47
2029.38    0.082   117.69
2029.48    0.082   120.92
2029.58    0.081   124.17
2029.68    0.081   127.45
2029.78    0.080   130.79
2029.88    0.079   134.19
2029.98    0.078   137.68
2030.08    0.077   141.26
2030.18    0.076   144.94
2030.28    0.075   148.72
2030.38    0.074   152.62
2030.48    0.073   156.63






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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 17:56:53



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