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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:10:38

Orbital Elements for HO276AB
WDS: HO276AB WDS ID/Discoverer
P: 4.870 Orbital period (years)
a: 0.1518 Semi-major axis (arcseconds)
i: 17.32 Inclination (degrees)
Ω: 154.19 Longitude of ascending node (degrees)
T: 2026.623 Epoch of periastron passage (year)
e: 0.6015 Eccentricity
ω: 132.15 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 HO276AB
Position: 195947.49-095726.2 Epoch-2000 right ascension and declination
WDS-ID: 19598-0957 WDS designation
Discoverer Code: HO276AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 189340 HD catalog number
Hipparcos number: 98416 Hipparcos catalog number
V1: 6.22 Magnitude of the primary
V2: 7.83 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2019 Date of last observation
Orbit grade: 1 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HO276AB



WDS 6th Orbit including measures of HO276AB
Ephemeris of HO276AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.221    127.2
-------------------------
2023.0     0.191     75.7
2024.0     0.235    103.3
2025.0     0.221    127.2
2026.0     0.136    167.2






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.


www.stella-vega.de