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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:36:57

Orbital Elements for TOK186AA,AB
WDS: TOK186AA,AB WDS ID/Discoverer
P: 3.171 Orbital period (years)
a: 0.079 Semi-major axis (arcseconds)
i: 116.5 Inclination (degrees)
Ω: 232.6 Longitude of ascending node (degrees)
T: 2011.523 Epoch of periastron passage (year)
e: 0.065 Eccentricity
ω: 38.0 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 TOK186AA,AB
Position: 023724.26-523235.1 Epoch-2000 right ascension and declination
WDS-ID: 02374-5233 WDS designation
Discoverer Code: TOK186AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 16555 HD catalog number
Hipparcos number: 12225 Hipparcos catalog number
V1: 5.5 Magnitude of the primary
V2: 6.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for TOK186AA,AB



WDS 6th Orbit including measures of TOK186AA,AB

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


Ephemeris of TOK186AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.062     76.3
-------------------------
2024.0     0.073    227.5
2025.0     0.062     76.3






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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