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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:44:46

Orbital Elements for WRH16
WDS: WRH16 WDS ID/Discoverer
P: 4.656 Orbital period (years)
a: 0.0105 Semi-major axis (arcseconds)
i: 144.1 Inclination (degrees)
Ω: 282.0 Longitude of ascending node (degrees)
T: 1937.938 Epoch of periastron passage (year)
e: 0.06 Eccentricity
ω: 301.1 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 WRH16
Position: 090921.53+220243.6 Epoch-2000 right ascension and declination
WDS-ID: 09094+2203 WDS designation
Discoverer Code: WRH16 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 78515 HD catalog number
Hipparcos number: 44946 Hipparcos catalog number
V1: 5.7 Magnitude of the primary
V2: 6.2 Magnitude of the secondary
Equinox: Equinox
Date: 1992 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for WRH16



WDS 6th Orbit including measures of WRH16

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


Ephemeris of WRH16
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.011     97.3
-------------------------
2023.0     0.010    243.7
2024.0     0.009    161.4
2025.0     0.011     97.3
2026.0     0.008     17.4






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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