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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:58:33

Orbital Elements for HDS552
WDS: HDS552 WDS ID/Discoverer
P: 28.313 Orbital period (years)
a: 0.143 Semi-major axis (arcseconds)
i: 110.6 Inclination (degrees)
Ω: 122.8 Longitude of ascending node (degrees)
T: 2024.016 Epoch of periastron passage (year)
e: 0.585 Eccentricity
ω: 289.4 Longitude of periastron (degrees)
Start-Year: 2011.0 Year
End-Year: 2039.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS552
Position: 041930.24+375954.3 Epoch-2000 right ascension and declination
WDS-ID: 04195+3800 WDS designation
Discoverer Code: HDS552 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 27214 HD catalog number
Hipparcos number: 20176 Hipparcos catalog number
V1: 7.57 Magnitude of the primary
V2: 8.82 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HDS552



WDS 6th Orbit including measures of HDS552

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


Ephemeris of HDS552
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.067    129.2
-------------------------
2011.0     0.117    341.0
2012.0     0.126    336.0
2013.0     0.134    331.6
2014.0     0.141    327.7
2015.0     0.147    324.1
2016.0     0.150    320.8
2017.0     0.152    317.6
2018.0     0.150    314.3
2019.0     0.144    310.9
2020.0     0.132    307.0
2021.0     0.114    302.1
2022.0     0.086    294.7
2023.0     0.045    275.9
2024.0     0.027    169.3
2025.0     0.067    129.2
2026.0     0.088    117.1
2027.0     0.094    108.3
2028.0     0.093     99.9
2029.0     0.089     91.0
2030.0     0.083     80.9
2031.0     0.077     69.3
2032.0     0.074     56.2
2033.0     0.073     42.3
2034.0     0.075     28.5
2035.0     0.080     16.0
2036.0     0.087      5.3
2037.0     0.095    356.3
2038.0     0.105    348.9






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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