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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:51:53

Orbital Elements for TOK190
WDS: TOK190 WDS ID/Discoverer
P: 3.700 Orbital period (years)
a: 0.0576 Semi-major axis (arcseconds)
i: 73.3 Inclination (degrees)
Ω: 51.6 Longitude of ascending node (degrees)
T: 2016.020 Epoch of periastron passage (year)
e: 0.8 Eccentricity
ω: 122.2 Longitude of periastron (degrees)
Start-Year: 2024.0 Year
End-Year: 2026.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK190
Position: 033052.51-620028.5 Epoch-2000 right ascension and declination
WDS-ID: 03309-6200 WDS designation
Discoverer Code: TOK190 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 22166 HD catalog number
Hipparcos number: 16370 Hipparcos catalog number
V1: 7.0 Magnitude of the primary
V2: 8.5 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 TOK190



WDS 6th Orbit including measures of TOK190

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


Ephemeris of TOK190
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.054     22.5
-------------------------
2024.0     0.019    327.4
2025.0     0.054     22.5






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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