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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:24:10

Orbital Elements for HDS2045AA,AB
WDS: HDS2045AA,AB WDS ID/Discoverer
P: 14.147 Orbital period (years)
a: 0.117 Semi-major axis (arcseconds)
i: 128.3 Inclination (degrees)
Ω: 168.2 Longitude of ascending node (degrees)
T: 2008.595 Epoch of periastron passage (year)
e: 0.428 Eccentricity
ω: 125.7 Longitude of periastron (degrees)
Start-Year: 2018.0 Year
End-Year: 2032.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2045AA,AB
Position: 142932.70-370222.0 Epoch-2000 right ascension and declination
WDS-ID: 14295-3702 WDS designation
Discoverer Code: HDS2045AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 126935 HD catalog number
Hipparcos number: 70868 Hipparcos catalog number
V1: 8.57 Magnitude of the primary
V2: 8.89 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HDS2045AA,AB



WDS 6th Orbit including measures of HDS2045AA,AB

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


Ephemeris of HDS2045AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.085    308.4
-------------------------
2018.0     0.144    185.4
2019.0     0.138    175.7
2020.0     0.120    164.1
2021.0     0.088    146.1
2022.0     0.048     98.3
2023.0     0.060     12.7
2024.0     0.082    335.6
2025.0     0.085    308.4
2026.0     0.086    281.5
2027.0     0.092    256.3
2028.0     0.103    235.5
2029.0     0.118    219.5
2030.0     0.131    206.8
2031.0     0.141    196.3






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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