Double Star Calculator - Orbit

Orbital Elements for TOK41BA,BB

WDS:	TOK41BA,BB	WDS ID/Discoverer
P:	14.400	Orbital period (years)
a:	0.102	Semi-major axis (arcseconds)
i:	152.5	Inclination (degrees)
Ω:	120.5	Longitude of ascending node (degrees)
T:	2006.400	Epoch of periastron passage (year)
e:	0.058	Eccentricity
ω:	227.2	Longitude of periastron (degrees)
Start-Year:	2017.8	Year
End-Year:	2032.2	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK41BA,BB
Position:	020211.25-240223.8	Epoch-2000 right ascension and declination
WDS-ID:	02022-2402	WDS designation
Discoverer Code:	TOK41BA,BB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	12515B	HD catalog number
Hipparcos number:	9497B	Hipparcos catalog number
V1:	8.5	Magnitude of the primary
V2:	8.8	Magnitude of the secondary
Equinox:		Equinox
Date:	2017	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2018j	Reference

Double Star Orbit for TOK41BA,BB

WDS 6th Orbit including measures of TOK41BA,BB

-- 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 TOK41BA,BB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.106   108.46
--------------------------
2017.80    0.097   331.70
2017.90    0.098   329.28
2018.00    0.098   326.86
2018.10    0.098   324.45
2018.20    0.098   322.05
2018.30    0.098   319.66
2018.40    0.098   317.27
2018.50    0.098   314.88
2018.60    0.098   312.50
2018.70    0.098   310.11
2018.80    0.098   307.72
2018.90    0.098   305.33
2019.00    0.098   302.94
2019.10    0.098   300.53
2019.20    0.098   298.12
2019.30    0.097   295.70
2019.40    0.097   293.26
2019.50    0.097   290.81
2019.60    0.096   288.34
2019.70    0.096   285.85
2019.80    0.096   283.34
2019.90    0.095   280.81
2020.00    0.095   278.25
2020.10    0.094   275.66
2020.20    0.094   273.05
2020.30    0.093   270.41
2020.40    0.093   267.74
2020.50    0.092   265.04
2020.60    0.091   262.30
2020.70    0.091   259.53
2020.80    0.090   256.73
2020.90    0.090   253.90
2021.00    0.089   251.03
2021.10    0.089   248.13
2021.20    0.088   245.20
2021.30    0.088   242.24
2021.40    0.088   239.25
2021.50    0.087   236.24
2021.60    0.087   233.21
2021.70    0.087   230.15
2021.80    0.087   227.08
2021.90    0.086   224.00
2022.00    0.086   220.91
2022.10    0.086   217.82
2022.20    0.086   214.73
2022.30    0.086   211.64
2022.40    0.087   208.56
2022.50    0.087   205.50
2022.60    0.087   202.45
2022.70    0.087   199.43
2022.80    0.088   196.43
2022.90    0.088   193.46
2023.00    0.089   190.52
2023.10    0.089   187.62
2023.20    0.090   184.75
2023.30    0.091   181.92
2023.40    0.091   179.13
2023.50    0.092   176.38
2023.60    0.093   173.68
2023.70    0.093   171.01
2023.80    0.094   168.38
2023.90    0.095   165.80
2024.00    0.096   163.25
2024.10    0.096   160.75
2024.20    0.097   158.28
2024.30    0.098   155.85
2024.40    0.098   153.46
2024.50    0.099   151.10
2024.60    0.100   148.78
2024.70    0.101   146.48
2024.80    0.101   144.22
2024.90    0.102   141.98
2025.00    0.102   139.77
2025.10    0.103   137.58
2025.20    0.103   135.42
2025.30    0.104   133.27
2025.40    0.104   131.15
2025.50    0.105   129.04
2025.60    0.105   126.94
2025.70    0.105   124.86
2025.80    0.106   122.79
2025.90    0.106   120.73
2026.00    0.106   118.67
2026.10    0.106   116.63
2026.20    0.106   114.58
2026.30    0.106   112.54
2026.40    0.106   110.50
2026.50    0.106   108.46
2026.60    0.106   106.41
2026.70    0.106   104.37
2026.80    0.106   102.31
2026.90    0.106   100.25
2027.00    0.105    98.18
2027.10    0.105    96.10
2027.20    0.105    94.01
2027.30    0.104    91.91
2027.40    0.104    89.79
2027.50    0.104    87.66
2027.60    0.103    85.51
2027.70    0.103    83.34
2027.80    0.102    81.16
2027.90    0.102    78.96
2028.00    0.102    76.73
2028.10    0.101    74.49
2028.20    0.101    72.22
2028.30    0.100    69.93
2028.40    0.100    67.62
2028.50    0.099    65.29
2028.60    0.099    62.93
2028.70    0.098    60.55
2028.80    0.098    58.15
2028.90    0.097    55.73
2029.00    0.097    53.28
2029.10    0.096    50.82
2029.20    0.096    48.33
2029.30    0.096    45.83
2029.40    0.095    43.30
2029.50    0.095    40.76
2029.60    0.095    38.21
2029.70    0.095    35.64
2029.80    0.094    33.05
2029.90    0.094    30.46
2030.00    0.094    27.86
2030.10    0.094    25.25
2030.20    0.094    22.64
2030.30    0.094    20.03
2030.40    0.094    17.41
2030.50    0.094    14.79
2030.60    0.094    12.18
2030.70    0.094     9.57
2030.80    0.094     6.97
2030.90    0.094     4.38
2031.00    0.094     1.79
2031.10    0.095   359.21
2031.20    0.095   356.65
2031.30    0.095   354.10
2031.40    0.095   351.56
2031.50    0.096   349.03
2031.60    0.096   346.51
2031.70    0.096   344.01
2031.80    0.096   341.53
2031.90    0.097   339.05
2032.00    0.097   336.59
2032.10    0.097   334.14
2032.20    0.097   331.70

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 14:56:17