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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:08:20

Orbital Elements for TOK425BA,BB
WDS: TOK425BA,BB WDS ID/Discoverer
P: 4.400 Orbital period (years)
a: 0.0544 Semi-major axis (arcseconds)
i: 127.4 Inclination (degrees)
Ω: 148.2 Longitude of ascending node (degrees)
T: 2017.220 Epoch of periastron passage (year)
e: 0.85 Eccentricity
ω: 218.9 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 TOK425BA,BB
Position: 194515.54-682322.3 Epoch-2000 right ascension and declination
WDS-ID: 19453-6823 WDS designation
Discoverer Code: TOK425BA,BB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 185655 HD catalog number
Hipparcos number: 97196 Hipparcos catalog number
V1: 13.2 Magnitude of the primary
V2: 15. Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for TOK425BA,BB



WDS 6th Orbit including measures of TOK425BA,BB

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


Ephemeris of TOK425BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.060    106.0
-------------------------
2023.0     0.085    130.4
2024.0     0.085    120.2
2025.0     0.060    106.0
2026.0     0.009    326.4






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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