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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:20:52

Orbital Elements for CIA5AA,AB
WDS: CIA5AA,AB WDS ID/Discoverer
P: 5.292 Orbital period (years)
a: 0.008539999999999999 Semi-major axis (arcseconds)
i: 124.94 Inclination (degrees)
Ω: 213.17 Longitude of ascending node (degrees)
T: 2004.852 Epoch of periastron passage (year)
e: 0.233 Eccentricity
ω: 229.8 Longitude of periastron (degrees)
Start-Year: 2023.0 Year
End-Year: 2027.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CIA5AA,AB
Position: 211922.18+381414.9 Epoch-2000 right ascension and declination
WDS-ID: 21194+3814 WDS designation
Discoverer Code: CIA5AA,AB Discover designation and components
ADS number: 14859 Aitken Double Star catalog
HD number: 203156 HD catalog number
Hipparcos number: 105269 Hipparcos catalog number
V1: 4.70k Magnitude of the primary
V2: 8.47k Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2016 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for CIA5AA,AB



WDS 6th Orbit including measures of CIA5AA,AB

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


Ephemeris of CIA5AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.007     64.2
-------------------------
2023.0     0.009    192.5
2024.0     0.006    144.0
2025.0     0.007     64.2
2026.0     0.005      1.1






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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