Double Star Calculator - Orbit

Orbital Elements for TOK9CE

WDS:	TOK9CE	WDS ID/Discoverer
P:	23.380	Orbital period (years)
a:	0.433	Semi-major axis (arcseconds)
i:	98.4	Inclination (degrees)
Ω:	146.8	Longitude of ascending node (degrees)
T:	2015.440	Epoch of periastron passage (year)
e:	0.216	Eccentricity
ω:	178.6	Longitude of periastron (degrees)
Start-Year:	2013.31	Year
End-Year:	2036.69	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK9CE
Position:	060019.69-310154.0	Epoch-2000 right ascension and declination
WDS-ID:	06003-3102	WDS designation
Discoverer Code:	TOK9CE	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	40887	HD catalog number
Hipparcos number:	28442	Hipparcos catalog number
V1:	8.67	Magnitude of the primary
V2:	13.13	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:	Tok2020k	Reference

Double Star Orbit for TOK9CE

WDS 6th Orbit including measures of TOK9CE

-- 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 TOK9CE

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.521   147.95
--------------------------
2013.31    0.231   337.11
2013.41    0.239   336.36
2013.51    0.248   335.67
2013.61    0.256   335.02
2013.71    0.264   334.41
2013.81    0.272   333.84
2013.91    0.279   333.30
2014.01    0.286   332.78
2014.11    0.293   332.29
2014.21    0.299   331.82
2014.31    0.305   331.37
2014.41    0.310   330.93
2014.51    0.315   330.51
2014.61    0.320   330.10
2014.71    0.324   329.70
2014.81    0.327   329.32
2014.91    0.331   328.94
2015.01    0.333   328.56
2015.11    0.336   328.19
2015.21    0.337   327.83
2015.31    0.339   327.47
2015.41    0.339   327.11
2015.51    0.339   326.75
2015.61    0.339   326.40
2015.71    0.339   326.04
2015.81    0.337   325.68
2015.91    0.336   325.31
2016.01    0.333   324.95
2016.11    0.331   324.57
2016.21    0.327   324.19
2016.31    0.324   323.80
2016.41    0.320   323.41
2016.51    0.315   323.00
2016.61    0.310   322.58
2016.71    0.305   322.14
2016.81    0.299   321.69
2016.91    0.293   321.22
2017.01    0.287   320.73
2017.11    0.280   320.22
2017.21    0.272   319.68
2017.31    0.265   319.11
2017.41    0.257   318.50
2017.51    0.249   317.86
2017.61    0.240   317.17
2017.71    0.232   316.43
2017.81    0.223   315.63
2017.91    0.213   314.76
2018.01    0.204   313.82
2018.11    0.195   312.78
2018.21    0.185   311.64
2018.31    0.175   310.36
2018.41    0.165   308.94
2018.51    0.155   307.33
2018.61    0.145   305.50
2018.71    0.135   303.41
2018.81    0.125   300.98
2018.91    0.116   298.14
2019.01    0.106   294.78
2019.11    0.097   290.77
2019.21    0.088   285.94
2019.31    0.080   280.11
2019.41    0.073   273.06
2019.51    0.067   264.65
2019.61    0.063   254.89
2019.71    0.061   244.09
2019.81    0.061   232.91
2019.91    0.063   222.14
2020.01    0.067   212.42
2020.11    0.073   204.05
2020.21    0.080   197.04
2020.31    0.088   191.24
2020.41    0.097   186.45
2020.51    0.106   182.47
2020.61    0.116   179.13
2020.71    0.126   176.32
2020.81    0.136   173.91
2020.91    0.146   171.84
2021.01    0.156   170.04
2021.11    0.167   168.46
2021.21    0.177   167.06
2021.31    0.187   165.81
2021.41    0.197   164.70
2021.51    0.207   163.69
2021.61    0.217   162.78
2021.71    0.227   161.95
2021.81    0.237   161.19
2021.91    0.247   160.48
2022.01    0.257   159.83
2022.11    0.266   159.23
2022.21    0.276   158.67
2022.31    0.285   158.15
2022.41    0.294   157.66
2022.51    0.303   157.20
2022.61    0.312   156.76
2022.71    0.321   156.35
2022.81    0.330   155.96
2022.91    0.338   155.60
2023.01    0.346   155.24
2023.11    0.355   154.91
2023.21    0.363   154.59
2023.31    0.370   154.28
2023.41    0.378   153.99
2023.51    0.385   153.71
2023.61    0.393   153.43
2023.71    0.400   153.17
2023.81    0.407   152.92
2023.91    0.414   152.67
2024.01    0.420   152.44
2024.11    0.427   152.21
2024.21    0.433   151.98
2024.31    0.439   151.77
2024.41    0.445   151.56
2024.51    0.450   151.35
2024.61    0.456   151.15
2024.71    0.461   150.95
2024.81    0.466   150.76
2024.91    0.471   150.57
2025.01    0.475   150.39
2025.11    0.480   150.21
2025.21    0.484   150.03
2025.31    0.488   149.86
2025.41    0.492   149.69
2025.51    0.496   149.52
2025.61    0.499   149.35
2025.71    0.502   149.19
2025.81    0.505   149.02
2025.91    0.508   148.86
2026.01    0.511   148.71
2026.11    0.513   148.55
2026.21    0.516   148.39
2026.31    0.518   148.24
2026.41    0.519   148.09
2026.51    0.521   147.93
2026.61    0.522   147.78
2026.71    0.524   147.63
2026.81    0.525   147.48
2026.91    0.525   147.33
2027.01    0.526   147.18
2027.11    0.526   147.03
2027.21    0.526   146.89
2027.31    0.526   146.74
2027.41    0.526   146.59
2027.51    0.526   146.44
2027.61    0.525   146.29
2027.71    0.524   146.14
2027.81    0.523   145.99
2027.91    0.522   145.84
2028.01    0.520   145.69
2028.11    0.519   145.54
2028.21    0.517   145.38
2028.31    0.515   145.23
2028.41    0.512   145.07
2028.51    0.510   144.91
2028.61    0.507   144.75
2028.71    0.504   144.59
2028.81    0.501   144.43
2028.91    0.497   144.26
2029.01    0.494   144.10
2029.11    0.490   143.93
2029.21    0.486   143.75
2029.31    0.482   143.58
2029.41    0.478   143.40
2029.51    0.473   143.22
2029.61    0.468   143.03
2029.71    0.463   142.84
2029.81    0.458   142.65
2029.91    0.453   142.45
2030.01    0.447   142.25
2030.11    0.441   142.04
2030.21    0.436   141.82
2030.31    0.429   141.60
2030.41    0.423   141.38
2030.51    0.417   141.14
2030.61    0.410   140.90
2030.71    0.403   140.65
2030.81    0.396   140.39
2030.91    0.389   140.13
2031.01    0.381   139.85
2031.11    0.374   139.56
2031.21    0.366   139.26
2031.31    0.358   138.94
2031.41    0.350   138.61
2031.51    0.341   138.27
2031.61    0.333   137.91
2031.71    0.324   137.52
2031.81    0.315   137.12
2031.91    0.307   136.70
2032.01    0.297   136.24
2032.11    0.288   135.76
2032.21    0.279   135.25
2032.31    0.269   134.70
2032.41    0.260   134.12
2032.51    0.250   133.48
2032.61    0.240   132.80
2032.71    0.230   132.05
2032.81    0.220   131.24
2032.91    0.210   130.35
2033.01    0.200   129.37
2033.11    0.189   128.28
2033.21    0.179   127.06
2033.31    0.169   125.70
2033.41    0.158   124.16
2033.51    0.148   122.40
2033.61    0.138   120.38
2033.71    0.128   118.04
2033.81    0.118   115.29
2033.91    0.108   112.04
2034.01    0.098   108.14
2034.11    0.089   103.45
2034.21    0.081    97.74
2034.31    0.074    90.82
2034.41    0.067    82.49
2034.51    0.063    72.73
2034.61    0.060    61.82
2034.71    0.060    50.41
2034.81    0.062    39.33
2034.91    0.066    29.31
2035.01    0.072    20.68
2035.11    0.079    13.48
2035.21    0.087     7.54
2035.31    0.096     2.64
2035.41    0.106   358.59
2035.51    0.115   355.21
2035.61    0.125   352.36
2035.71    0.135   349.92
2035.81    0.145   347.82
2035.91    0.155   346.00
2036.01    0.165   344.40
2036.11    0.175   342.98
2036.21    0.185   341.71
2036.31    0.195   340.57
2036.41    0.205   339.54
2036.51    0.214   338.60
2036.61    0.223   337.74

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 15:42:43