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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:30:24

Orbital Elements for MCY2
WDS: MCY2 WDS ID/Discoverer
P: 18.120 Orbital period (years)
a: 0.631 Semi-major axis (arcseconds)
i: 98.8 Inclination (degrees)
Ω: 205.0 Longitude of ascending node (degrees)
T: 1993.630 Epoch of periastron passage (year)
e: 0.434 Eccentricity
ω: 144.3 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 MCY2
Position: 014147.14+423648.1 Epoch-2000 right ascension and declination
WDS-ID: 01418+4237 WDS designation
Discoverer Code: MCY2 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 10307 HD catalog number
Hipparcos number: 7918 Hipparcos catalog number
V1: 4.95 Magnitude of the primary
V2: 11. Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2002 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for MCY2



WDS 6th Orbit including measures of MCY2

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


Ephemeris of MCY2
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.759    204.2
-------------------------
2016.0     0.127    263.8
2017.0     0.268    230.4
2018.0     0.418    220.7
2019.0     0.554    216.0
2020.0     0.667    213.1
2021.0     0.754    210.9
2022.0     0.810    209.1
2023.0     0.833    207.5
2024.0     0.818    205.9
2025.0     0.759    204.2
2026.0     0.649    202.0
2027.0     0.479    198.6
2028.0     0.244    189.5
2029.0     0.084     69.8
2030.0     0.316     29.7
2031.0     0.387     21.6
2032.0     0.303     12.7
2033.0     0.164    350.8






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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