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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:08:09

Orbital Elements for BUP197A
WDS: BUP197A WDS ID/Discoverer
P: 3.551 Orbital period (years)
a: 0.0173 Semi-major axis (arcseconds)
i: 33.0 Inclination (degrees)
Ω: 222.0 Longitude of ascending node (degrees)
T: 1992.812 Epoch of periastron passage (year)
e: 0.38 Eccentricity
ω: 126.0 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 BUP197A
Position: 194333.45-152810.8 Epoch-2000 right ascension and declination
WDS-ID: 19436-1528 WDS designation
Discoverer Code: BUP197A Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 186185 HD catalog number
Hipparcos number: 97063 Hipparcos catalog number
V1: 5.49 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1991 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for BUP197A



WDS 6th Orbit including measures of BUP197A

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


Ephemeris of BUP197A
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.012     40.1
-------------------------
2024.0     0.018    226.2
2025.0     0.012     40.1






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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