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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:20:21

Orbital Elements for AGC13B
WDS: AGC13B WDS ID/Discoverer
P: 2.218 Orbital period (years)
a: 0.000796 Semi-major axis (arcseconds)
i: 92.6 Inclination (degrees)
Ω: 78.7 Longitude of ascending node (degrees)
T: 2004.367 Epoch of periastron passage (year)
e: 0.43 Eccentricity
ω: 90.0 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 AGC13B
Position: 211447.35+380239.6 Epoch-2000 right ascension and declination
WDS-ID: 21148+3803 WDS designation
Discoverer Code: AGC13B Discover designation and components
ADS number: 14787 Aitken Double Star catalog
HD number: 202444 HD catalog number
Hipparcos number: 104887 Hipparcos catalog number
V1: 6.57 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for AGC13B



WDS 6th Orbit including measures of AGC13B

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


Ephemeris of AGC13B
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001    254.8
-------------------------
2024.0     0.001     79.3
2025.0     0.001    254.8






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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