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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:35:50

Orbital Elements for MCA42CE
WDS: MCA42CE WDS ID/Discoverer
P: 19.000 Orbital period (years)
a: 0.111 Semi-major axis (arcseconds)
i: 49.5 Inclination (degrees)
Ω: 289.2 Longitude of ascending node (degrees)
T: 2006.285 Epoch of periastron passage (year)
e: 0.638 Eccentricity
ω: 262.1 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 MCA42CE
Position: 160526.55-194806.6 Epoch-2000 right ascension and declination
WDS-ID: 16054-1948 WDS designation
Discoverer Code: MCA42CE Discover designation and components
ADS number: 9913 Aitken Double Star catalog
HD number: 144218 HD catalog number
Hipparcos number: 78821 Hipparcos catalog number
V1: 4.52 Magnitude of the primary
V2: 6.6 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for MCA42CE



WDS 6th Orbit including measures of MCA42CE

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


Ephemeris of MCA42CE
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.034    148.5
-------------------------
2016.0     0.119      8.9
2017.0     0.117     17.3
2018.0     0.114     26.1
2019.0     0.111     35.3
2020.0     0.107     45.2
2021.0     0.102     55.8
2022.0     0.096     67.7
2023.0     0.086     81.7
2024.0     0.068    101.1
2025.0     0.034    148.5
2026.0     0.048    267.2
2027.0     0.081    295.8
2028.0     0.100    309.9
2029.0     0.111    320.2
2030.0     0.118    329.1
2031.0     0.121    337.3
2032.0     0.122    345.1
2033.0     0.122    352.9






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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