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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:34:42

Orbital Elements for BAG7
WDS: BAG7 WDS ID/Discoverer
P: 2.778 Orbital period (years)
a: 0.101 Semi-major axis (arcseconds)
i: 34.6 Inclination (degrees)
Ω: 298.4 Longitude of ascending node (degrees)
T: 2014.684 Epoch of periastron passage (year)
e: 0.349 Eccentricity
ω: 328.6 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 BAG7
Position: 155208.24+105228.0 Epoch-2000 right ascension and declination
WDS-ID: 15521+1052 WDS designation
Discoverer Code: BAG7 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 77725 Hipparcos catalog number
V1: 9.70 Magnitude of the primary
V2: 11.16 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 1 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BAG7



WDS 6th Orbit including measures of BAG7

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


Ephemeris of BAG7
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.118    128.3
-------------------------
2024.0     0.112     63.8
2025.0     0.118    128.3






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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