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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:38:20

Orbital Elements for CVN27BA,BB
WDS: CVN27BA,BB WDS ID/Discoverer
P: 19.770 Orbital period (years)
a: 0.182 Semi-major axis (arcseconds)
i: 107.9 Inclination (degrees)
Ω: 3.8 Longitude of ascending node (degrees)
T: 2017.260 Epoch of periastron passage (year)
e: 0.47 Eccentricity
ω: 138.3 Longitude of periastron (degrees)
Start-Year: 2016.0 Year
End-Year: 2034.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CVN27BA,BB
Position: 162517.79-490852.8 Epoch-2000 right ascension and declination
WDS-ID: 16253-4909 WDS designation
Discoverer Code: CVN27BA,BB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 147633 HD catalog number
Hipparcos number: 80448 Hipparcos catalog number
V1: 8.23 Magnitude of the primary
V2: 11.7 Magnitude of the secondary
Equinox: Equinox
Date: 2021 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for CVN27BA,BB



WDS 6th Orbit including measures of CVN27BA,BB

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


Ephemeris of CVN27BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.152     30.0
-------------------------
2016.0     0.046    314.3
2017.0     0.059    208.7
2018.0     0.104    184.3
2019.0     0.106    170.3
2020.0     0.085    152.4
2021.0     0.065    122.1
2022.0     0.067     81.8
2023.0     0.090     53.8
2024.0     0.121     38.8
2025.0     0.152     30.0
2026.0     0.181     24.1
2027.0     0.204     19.7
2028.0     0.222     16.1
2029.0     0.234     13.0
2030.0     0.238     10.0
2031.0     0.234      7.1
2032.0     0.219      3.9
2033.0     0.193      0.1






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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