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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:06:08

Orbital Elements for TOK4AA,AB
WDS: TOK4AA,AB WDS ID/Discoverer
P: 5.014 Orbital period (years)
a: 0.010060000000000001 Semi-major axis (arcseconds)
i: 115.4 Inclination (degrees)
Ω: 133.8 Longitude of ascending node (degrees)
T: 2016.512 Epoch of periastron passage (year)
e: 0.193 Eccentricity
ω: 167.1 Longitude of periastron (degrees)
Start-Year: 2023.0 Year
End-Year: 2027.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK4AA,AB
Position: 192921.36-070238.7 Epoch-2000 right ascension and declination
WDS-ID: 19294-0703 WDS designation
Discoverer Code: TOK4AA,AB Discover designation and components
ADS number: 12503 Aitken Double Star catalog
HD number: 183344 HD catalog number
Hipparcos number: 95820 Hipparcos catalog number
V1: 6.37 Magnitude of the primary
V2: 11.7 Magnitude of the secondary
Equinox: Equinox
Date: 2016 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for TOK4AA,AB



WDS 6th Orbit including measures of TOK4AA,AB

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


Ephemeris of TOK4AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.009    115.4
-------------------------
2023.0     0.006    179.8
2024.0     0.012    140.1
2025.0     0.009    115.4
2026.0     0.005      1.2






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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