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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:17:34

Orbital Elements for HDS23DA,DB
WDS: HDS23DA,DB WDS ID/Discoverer
P: 25.912 Orbital period (years)
a: 0.1121 Semi-major axis (arcseconds)
i: 130.5 Inclination (degrees)
Ω: 119.0 Longitude of ascending node (degrees)
T: 2006.730 Epoch of periastron passage (year)
e: 0.811 Eccentricity
ω: 348.7 Longitude of periastron (degrees)
Start-Year: 2013.0 Year
End-Year: 2037.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS23DA,DB
Position: 001005.26+382453.6 Epoch-2000 right ascension and declination
WDS-ID: 00101+3825 WDS designation
Discoverer Code: HDS23DA,DB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 823 Hipparcos catalog number
V1: 11.42 Magnitude of the primary
V2: 12.85 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HDS23DA,DB



WDS 6th Orbit including measures of HDS23DA,DB

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


Ephemeris of HDS23DA,DB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.179    297.0
-------------------------
2013.0     0.152    319.8
2014.0     0.165    317.2
2015.0     0.176    314.9
2016.0     0.185    312.8
2017.0     0.192    311.0
2018.0     0.196    309.2
2019.0     0.200    307.5
2020.0     0.201    305.9
2021.0     0.200    304.2
2022.0     0.198    302.6
2023.0     0.194    300.8
2024.0     0.187    299.0
2025.0     0.179    297.0
2026.0     0.168    294.8
2027.0     0.155    292.3
2028.0     0.138    289.2
2029.0     0.118    285.2
2030.0     0.094    279.2
2031.0     0.063    268.2
2032.0     0.026    228.2
2033.0     0.023     76.9
2034.0     0.045      1.4
2035.0     0.073    341.4
2036.0     0.098    332.3






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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