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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:09:16

Orbital Elements for TOK697AA,AB
WDS: TOK697AA,AB WDS ID/Discoverer
P: 2.821 Orbital period (years)
a: 0.039 Semi-major axis (arcseconds)
i: 73.7 Inclination (degrees)
Ω: 43.1 Longitude of ascending node (degrees)
T: 2017.804 Epoch of periastron passage (year)
e: 0.491 Eccentricity
ω: 90.6 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 TOK697AA,AB
Position: 195114.13-724742.2 Epoch-2000 right ascension and declination
WDS-ID: 19512-7248 WDS designation
Discoverer Code: TOK697AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 186502 HD catalog number
Hipparcos number: 97690 Hipparcos catalog number
V1: 7.6 Magnitude of the primary
V2: 8.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for TOK697AA,AB



WDS 6th Orbit including measures of TOK697AA,AB

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


Ephemeris of TOK697AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.018    339.2
-------------------------
2024.0     0.034    235.1
2025.0     0.018    339.2






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.


www.stella-vega.de