Double Star Calculator - Orbit

Orbital Elements for TOK373

WDS:	TOK373	WDS ID/Discoverer
P:	12.831	Orbital period (years)
a:	0.1826	Semi-major axis (arcseconds)
i:	96.0	Inclination (degrees)
Ω:	45.6	Longitude of ascending node (degrees)
T:	2013.637	Epoch of periastron passage (year)
e:	0.3404	Eccentricity
ω:	353.4	Longitude of periastron (degrees)
Start-Year:	2018.5845	Year
End-Year:	2031.4155	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK373
Position:	220605.33-052128.9	Epoch-2000 right ascension and declination
WDS-ID:	22061-0521	WDS designation
Discoverer Code:	TOK373	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	209779	HD catalog number
Hipparcos number:	109110	Hipparcos catalog number
V1:	7.6	Magnitude of the primary
V2:	11.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2024	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:	Tok2024e	Reference

Double Star Orbit for TOK373

WDS 6th Orbit including measures of TOK373

Error: Timeout while trying to load WDS 6th Orbit image.

Ephemeris of TOK373

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.120    46.09
--------------------------
2018.58    0.207   228.88
2018.68    0.211   228.67
2018.78    0.215   228.46
2018.88    0.219   228.27
2018.98    0.222   228.08
2019.08    0.225   227.89
2019.18    0.228   227.71
2019.28    0.231   227.54
2019.38    0.233   227.37
2019.48    0.235   227.20
2019.58    0.237   227.04
2019.68    0.239   226.87
2019.78    0.240   226.71
2019.88    0.242   226.56
2019.98    0.243   226.40
2020.08    0.243   226.24
2020.18    0.244   226.09
2020.28    0.244   225.93
2020.38    0.244   225.78
2020.48    0.244   225.63
2020.58    0.244   225.47
2020.68    0.243   225.32
2020.78    0.242   225.16
2020.88    0.241   225.00
2020.98    0.239   224.84
2021.08    0.238   224.68
2021.18    0.236   224.52
2021.28    0.233   224.35
2021.38    0.231   224.18
2021.48    0.228   224.00
2021.58    0.225   223.82
2021.68    0.222   223.64
2021.78    0.219   223.45
2021.88    0.215   223.26
2021.98    0.211   223.05
2022.08    0.207   222.84
2022.18    0.203   222.63
2022.28    0.198   222.40
2022.38    0.193   222.16
2022.48    0.188   221.90
2022.58    0.182   221.63
2022.68    0.177   221.35
2022.78    0.171   221.04
2022.88    0.164   220.71
2022.98    0.158   220.36
2023.08    0.151   219.98
2023.18    0.144   219.55
2023.28    0.137   219.09
2023.38    0.130   218.57
2023.48    0.122   217.99
2023.58    0.114   217.33
2023.68    0.106   216.57
2023.78    0.098   215.69
2023.88    0.089   214.64
2023.98    0.081   213.36
2024.08    0.072   211.78
2024.18    0.063   209.75
2024.28    0.054   207.05
2024.38    0.045   203.29
2024.48    0.036   197.67
2024.58    0.028   188.59
2024.68    0.021   172.61
2024.78    0.017   144.84
2024.88    0.018   111.27
2024.98    0.023    87.95
2025.08    0.031    74.92
2025.18    0.039    67.30
2025.28    0.048    62.42
2025.38    0.057    59.05
2025.48    0.065    56.57
2025.58    0.074    54.66
2025.68    0.081    53.13
2025.78    0.089    51.86
2025.88    0.096    50.78
2025.98    0.102    49.83
2026.08    0.107    48.99
2026.18    0.112    48.22
2026.28    0.115    47.51
2026.38    0.118    46.84
2026.48    0.120    46.19
2026.58    0.121    45.55
2026.68    0.120    44.92
2026.78    0.119    44.28
2026.88    0.117    43.63
2026.98    0.114    42.94
2027.08    0.110    42.21
2027.18    0.106    41.42
2027.28    0.100    40.56
2027.38    0.094    39.59
2027.48    0.088    38.49
2027.58    0.081    37.20
2027.68    0.074    35.66
2027.78    0.066    33.77
2027.88    0.058    31.37
2027.98    0.050    28.21
2028.08    0.042    23.84
2028.18    0.034    17.43
2028.28    0.027     7.38
2028.38    0.021   350.79
2028.48    0.018   325.06
2028.58    0.019   296.30
2028.68    0.024   275.24
2028.78    0.031   262.41
2028.88    0.038   254.50
2028.98    0.046   249.28
2029.08    0.054   245.63
2029.18    0.063   242.94
2029.28    0.071   240.88
2029.38    0.079   239.24
2029.48    0.087   237.91
2029.58    0.095   236.80
2029.68    0.103   235.86
2029.78    0.111   235.06
2029.88    0.118   234.35
2029.98    0.125   233.73
2030.08    0.132   233.17
2030.18    0.139   232.68
2030.28    0.146   232.22
2030.38    0.153   231.81
2030.48    0.159   231.43
2030.58    0.165   231.08
2030.68    0.171   230.75
2030.78    0.176   230.45
2030.88    0.182   230.16
2030.98    0.187   229.89
2031.08    0.192   229.64
2031.18    0.197   229.39
2031.28    0.202   229.16
2031.38    0.206   228.94

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 18:36:19