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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:34:51

Orbital Elements for HEN3
WDS: HEN3 WDS ID/Discoverer
P: 23.930 Orbital period (years)
a: 0.6402 Semi-major axis (arcseconds)
i: 14.4 Inclination (degrees)
Ω: 85.7 Longitude of ascending node (degrees)
T: 2016.200 Epoch of periastron passage (year)
e: 0.587 Eccentricity
ω: 57.8 Longitude of periastron (degrees)
Start-Year: 2014.0 Year
End-Year: 2036.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HEN3
Position: 073625.07+070443.9 Epoch-2000 right ascension and declination
WDS-ID: 07364+0705 WDS designation
Discoverer Code: HEN3 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 14.0 Magnitude of the primary
V2: 14.0 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HEN3



WDS 6th Orbit including measures of HEN3

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


Ephemeris of HEN3
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.950    306.7
-------------------------
2014.0     0.463     43.9
2015.0     0.349     73.7
2016.0     0.263    128.4
2017.0     0.299    195.6
2018.0     0.418    234.8
2019.0     0.540    256.1
2020.0     0.645    269.9
2021.0     0.734    280.1
2022.0     0.808    288.2
2023.0     0.868    295.1
2024.0     0.915    301.2
2025.0     0.950    306.7
2026.0     0.975    311.9
2027.0     0.989    317.0
2028.0     0.994    321.9
2029.0     0.988    326.8
2030.0     0.972    331.8
2031.0     0.947    337.1
2032.0     0.911    342.6
2033.0     0.865    348.8
2034.0     0.808    355.7
2035.0     0.739      3.8






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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