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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:31:19

Orbital Elements for BEU9
WDS: BEU9 WDS ID/Discoverer
P: 3.620 Orbital period (years)
a: 0.1438 Semi-major axis (arcseconds)
i: 103.28 Inclination (degrees)
Ω: 81.04 Longitude of ascending node (degrees)
T: 2018.813 Epoch of periastron passage (year)
e: 0.7158 Eccentricity
ω: 287.52 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 BEU9
Position: 070417.70-103031.7 Epoch-2000 right ascension and declination
WDS-ID: 07043-1031 WDS designation
Discoverer Code: BEU9 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 34104 Hipparcos catalog number
V1: 10.95 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 2017 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for BEU9



WDS 6th Orbit including measures of BEU9

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


Ephemeris of BEU9
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.136    278.0
-------------------------
2024.0     0.074    309.0
2025.0     0.136    278.0






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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