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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:18:23

Orbital Elements for FIN369
WDS: FIN369 WDS ID/Discoverer
P: 24.786 Orbital period (years)
a: 0.176 Semi-major axis (arcseconds)
i: 75.2 Inclination (degrees)
Ω: 16.6 Longitude of ascending node (degrees)
T: 2021.716 Epoch of periastron passage (year)
e: 0.473 Eccentricity
ω: 81.4 Longitude of periastron (degrees)
Start-Year: 2013.0 Year
End-Year: 2037.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN369
Position: 133157.83-651918.5 Epoch-2000 right ascension and declination
WDS-ID: 13320-6519 WDS designation
Discoverer Code: FIN369 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 117432 HD catalog number
Hipparcos number: 66005 Hipparcos catalog number
V1: 7.36 Magnitude of the primary
V2: 7.54 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for FIN369



WDS 6th Orbit including measures of FIN369

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


Ephemeris of FIN369
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.152    197.7
-------------------------
2013.0     0.084    331.1
2014.0     0.100    343.1
2015.0     0.116    351.8
2016.0     0.131    358.4
2017.0     0.141      3.8
2018.0     0.144      8.8
2019.0     0.137     13.8
2020.0     0.113     20.2
2021.0     0.066     33.3
2022.0     0.025    123.4
2023.0     0.078    182.3
2024.0     0.124    192.4
2025.0     0.152    197.7
2026.0     0.166    201.6
2027.0     0.170    205.2
2028.0     0.166    208.8
2029.0     0.156    212.7
2030.0     0.143    217.2
2031.0     0.127    222.7
2032.0     0.110    229.9
2033.0     0.093    239.9
2034.0     0.077    254.1
2035.0     0.068    273.8
2036.0     0.066    297.0






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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