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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:33:55

Orbital Elements for MCA5
WDS: MCA5 WDS ID/Discoverer
P: 4.496 Orbital period (years)
a: 0.00452 Semi-major axis (arcseconds)
i: 106.47 Inclination (degrees)
Ω: 71.24 Longitude of ascending node (degrees)
T: 1954.663 Epoch of periastron passage (year)
e: 0.0 Eccentricity
ω: 0.0 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 MCA5
Position: 021300.01+085048.3 Epoch-2000 right ascension and declination
WDS-ID: 02130+0851 WDS designation
Discoverer Code: MCA5 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 13611 HD catalog number
Hipparcos number: 10324 Hipparcos catalog number
V1: 4.34 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1991 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for MCA5



WDS 6th Orbit including measures of MCA5

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


Ephemeris of MCA5
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.003    231.2
-------------------------
2023.0     0.002     30.2
2024.0     0.004    259.8
2025.0     0.003    231.2
2026.0     0.003     88.6






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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