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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:36:09

Orbital Elements for HDS2273AA,AB
WDS: HDS2273AA,AB WDS ID/Discoverer
P: 33.000 Orbital period (years)
a: 0.3512 Semi-major axis (arcseconds)
i: 35.1 Inclination (degrees)
Ω: 160.6 Longitude of ascending node (degrees)
T: 1992.970 Epoch of periastron passage (year)
e: 0.426 Eccentricity
ω: 234.6 Longitude of periastron (degrees)
Start-Year: 2009.0 Year
End-Year: 2041.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2273AA,AB
Position: 160553.36+104105.9 Epoch-2000 right ascension and declination
WDS-ID: 16059+1041 WDS designation
Discoverer Code: HDS2273AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 144515 HD catalog number
Hipparcos number: 78864 Hipparcos catalog number
V1: 8.80 Magnitude of the primary
V2: 10.00 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 HDS2273AA,AB



WDS 6th Orbit including measures of HDS2273AA,AB

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


Ephemeris of HDS2273AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.202      2.6
-------------------------
2009.0     0.446    207.2
2010.0     0.438    212.3
2011.0     0.429    217.6
2012.0     0.418    223.2
2013.0     0.405    229.1
2014.0     0.392    235.4
2015.0     0.377    242.1
2016.0     0.363    249.4
2017.0     0.348    257.3
2018.0     0.333    265.9
2019.0     0.318    275.3
2020.0     0.303    285.6
2021.0     0.288    297.0
2022.0     0.272    309.7
2023.0     0.253    324.1
2024.0     0.230    341.2
2025.0     0.202      2.6
2026.0     0.178     30.6
2027.0     0.172     64.0
2028.0     0.195     94.4
2029.0     0.233    116.5
2030.0     0.276    132.0
2031.0     0.315    143.4
2032.0     0.350    152.4
2033.0     0.379    159.9
2034.0     0.403    166.4
2035.0     0.421    172.3
2036.0     0.435    177.7
2037.0     0.445    182.8
2038.0     0.451    187.8
2039.0     0.454    192.6
2040.0     0.454    197.4






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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