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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:32:59

Orbital Elements for TOK38AA,AB
WDS: TOK38AA,AB WDS ID/Discoverer
P: 5.660 Orbital period (years)
a: 0.0377 Semi-major axis (arcseconds)
i: 71.7 Inclination (degrees)
Ω: 271.9 Longitude of ascending node (degrees)
T: 2005.420 Epoch of periastron passage (year)
e: 0.367 Eccentricity
ω: 30.5 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 TOK38AA,AB
Position: 020348.12-002024.5 Epoch-2000 right ascension and declination
WDS-ID: 02038-0020 WDS designation
Discoverer Code: TOK38AA,AB Discover designation and components
ADS number: 1634 Aitken Double Star catalog
HD number: 12641 HD catalog number
Hipparcos number: 9631 Hipparcos catalog number
V1: 6.15 Magnitude of the primary
V2: 7.97 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 TOK38AA,AB



WDS 6th Orbit including measures of TOK38AA,AB

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


Ephemeris of TOK38AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.048     99.6
-------------------------
2023.0     0.012     44.1
2024.0     0.044     87.9
2025.0     0.048     99.6
2026.0     0.030    116.7






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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