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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:10:25

Orbital Elements for YSC44
WDS: YSC44 WDS ID/Discoverer
P: 17.190 Orbital period (years)
a: 0.072 Semi-major axis (arcseconds)
i: 105.6 Inclination (degrees)
Ω: 54.5 Longitude of ascending node (degrees)
T: 2011.660 Epoch of periastron passage (year)
e: 0.63 Eccentricity
ω: 126.3 Longitude of periastron (degrees)
Start-Year: 2017.0 Year
End-Year: 2033.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC44
Position: 121835.40-142425.8 Epoch-2000 right ascension and declination
WDS-ID: 12186-1424 WDS designation
Discoverer Code: YSC44 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 107040 HD catalog number
Hipparcos number: 60022 Hipparcos catalog number
V1: 8.2 Magnitude of the primary
V2: 8.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for YSC44



WDS 6th Orbit including measures of YSC44

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


Ephemeris of YSC44
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.086     59.8
-------------------------
2017.0     0.038     99.9
2018.0     0.050     88.1
2019.0     0.062     80.8
2020.0     0.072     75.7
2021.0     0.080     71.8
2022.0     0.086     68.5
2023.0     0.090     65.6
2024.0     0.090     62.8
2025.0     0.086     59.8
2026.0     0.076     56.4
2027.0     0.058     51.4
2028.0     0.026     37.5
2029.0     0.022    245.6
2030.0     0.036    222.3
2031.0     0.029    201.3
2032.0     0.023    166.9






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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