Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:28:44

Orbital Elements for TOK204AA,AB
WDS: TOK204AA,AB WDS ID/Discoverer
P: 6.120 Orbital period (years)
a: 0.073 Semi-major axis (arcseconds)
i: 20.8 Inclination (degrees)
Ω: 45.6 Longitude of ascending node (degrees)
T: 2015.457 Epoch of periastron passage (year)
e: 0.416 Eccentricity
ω: 157.5 Longitude of periastron (degrees)
Start-Year: 2022.0 Year
End-Year: 2028.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK204AA,AB
Position: 012619.20-044026.7 Epoch-2000 right ascension and declination
WDS-ID: 01263-0440 WDS designation
Discoverer Code: TOK204AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 8765 HD catalog number
Hipparcos number: 6712 Hipparcos catalog number
V1: 8.5 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for TOK204AA,AB



WDS 6th Orbit including measures of TOK204AA,AB

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of TOK204AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.102     33.7
-------------------------
2022.0     0.049    260.7
2023.0     0.077    333.0
2024.0     0.097      7.6
2025.0     0.102     33.7
2026.0     0.088     62.4
2027.0     0.055    115.6






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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